Scientists at IOCB Prague are uncovering new details of gene transcription. They have identified a previously unknown molecular mechanism by which the transcription of genetic information from deoxyribonucleic acid (DNA) into ribonucleic acid (RNA) can be initiated. The researchers focused on a specific class of molecules known as alarmones, which are found in cells across a wide range of organisms and whose levels often increase under conditions of cellular stress. The results were published in the prestigious scientific journal Nature Chemical Biology.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_bc2bfffa6c.jpg" alt="IOCB Prague/Tomáš Belloň: Research from IOCB Prague reveals a previously unknown mechanism of genetic transcription: Dr. Hana Cahová, head of the Chemical Biology of Nucleic Acids research group." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_bc2bfffa6c.jpg 234w," sizes="100vw" width="2000" height="1335"><div>Molecules of ribonucleic acid can carry a variety of chemical modifications at one end, known as caps. In eukaryotic organisms, including human cells, the best-known cap plays an important role in RNA stability and in regulating its subsequent fate. In recent years, however, it has become clear that alternative, non-canonical RNA caps also exist, although their formation and the mechanisms by which they are attached to RNA remain only partially understood. These include alarmone caps, formed by dinucleoside polyphosphate molecules, that protect cellular RNA at moments when the cell is under threat.In their study, <a target="_blank" rel="noopener noreferrer" href="https://cahova.group.uochb.cz/en">Dr. Hana Cahová</a> and colleagues examined bacterial RNA polymerase and investigated how this enzyme can initiate transcription using dinucleoside polyphosphates (NpNs) instead of the standard RNA building blocks. For the first time, the scientists described, at the atomic level, how RNA bearing an alarmone cap can be generated directly at the initiation of gene transcription. They also observed that NpNs bind through a different type of base pairing than is typically observed.The work was significantly shaped by Valentina Serianni from Hana Cahová’s team, who demonstrated the ability of dinucleoside polyphosphates to initiate gene transcription, and by Jana Škerlová, who focused on the structural analysis of RNA polymerase. Using cryogenic electron microscopy data, she showed how dinucleoside polyphosphate molecules bind within the active site of RNA polymerase – that is, the core of the enzyme where genetic information is transcribed. Together, their findings help to elucidate the processes that accompany the transcription of genetic information from DNA to RNA.Hana Cahová adds: “We’re describing something that truly occurs in cells and that we’re now able to observe directly at the level of individual molecules. This allows us to answer fundamental questions about cellular processes, such as how cells adapt to stress. RNA plays a central role in this, as it carries the cascade of information underlying any cellular response – for example, to threatening conditions caused by nutrient deprivation or temperature shock.”<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_2_0fe88ff9e9.jpg" alt="IOCB Prague/Tomáš Belloň: Research from IOCB Prague reveals a previously unknown mechanism of genetic transcription: Dr. Tomáš Kouba, head of the Cryogenic Electron Microscopy core facility." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_2_0fe88ff9e9.jpg 234w," sizes="100vw" width="2000" height="1335"><div>Cryogenic electron microscopy (cryo-EM) was central to the project. This part of the work was led by Dr. Tomáš Kouba, one of the authors of the study. “Cryogenic electron microscopy allows us to freeze biological molecules in a state very close to their natural form and then determine their three-dimensional structure. This makes it possible to look directly into the active centers of enzymes and observe their function down to the atomic level,” he explains.Last year, IOCB Prague opened a new <a target="_blank" rel="noopener noreferrer" href="https://cryoem.group.uochb.cz/en">cryo-EM center</a> that is unique within the Czech research environment. State-of-the-art cryogenic electron microscopes are housed in a specially designed building and enable the study of biological processes with exceptional structural precision.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_3_4d881e7a58.jpg" alt="IOCB Prague: Research from IOCB Prague reveals a previously unknown mechanism of genetic transcription: This work shows how NpnNs initiate bacterial transcription. Cryo-EM reveals how nucleobases pair with the template: one in canonical and one in reverse Watson–Crick mode, providing a structural basis for their function as non-canonical RNA caps." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_UOCHB_Vyzkum_z_UOCHB_odhaluje_dosud_nepoznany_zpusob_prepisu_geneticke_informace_3_4d881e7a58.jpg 245w," sizes="100vw" width="2000" height="1077"><blockquote><h4>The Original article</h4><h4><a target="_blank" rel="noopener noreferrer" href="https://www.nature.com/articles/s41589-025-02134-5">Molecular insight into 5′ RNA capping with NpnNs by bacterial RNA polymerase</a></h4>Valentina M. Serianni, Jana Škerlová, Anna Knopp Dubánková, Anton Škríba, Hana Šváchová, Tereza Vučková, Anatolij Filimoněnko, Milan Fábry, Pavlína Řezáčová, Tomáš Kouba &amp; Hana Cahova&nbsp;Nat. Chem. Biol. 21 (2026)<a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1038/s41589-025-02134-5">https://doi.org/10.1038/s41589-025-02134-5</a><h6>licensed under <a target="_blank" rel="noopener noreferrer" href="https://creativecommons.org/licenses/by/4.0/">CC-BY 4.0</a></h6></blockquote><h4>Abstract</h4>RNA capped with dinucleoside polyphosphates has been discovered in bacteria and eukaryotes only recently. The likely mechanism of this specific capping involves direct incorporation of dinucleoside polyphosphates by RNA polymerase as noncanonical initiating nucleotides. However, how these compounds bind into the active site of RNA polymerase during transcription initiation is unknown. Here, we explored transcription initiation in vitro, using a series of DNA templates in combination with dinucleoside polyphosphates and model RNA polymerase from Thermus thermophilus. We observed that the transcription start site can vary on the basis of the compatibility of the specific template and dinucleoside polyphosphate. Cryo-electron microscopy structures of transcription initiation complexes with dinucleoside polyphosphates revealed that both nucleobase moieties can pair with the DNA template. The first encoded nucleotide pairs in a canonical Watson–Crick manner, whereas the second nucleobase pairs noncanonically in a reverse Watson–Crick manner. Our work provides a structural explanation of how dinucleoside polyphosphates initiate RNA transcription.</div></div>

Research from IOCB Prague reveals a previously unknown mechanism of genetic transcription

Food adulteration is a phenomenon with a long history that has gained increasing importance in recent years due to the globalization of food supply chains and strong economic pressures. Whether it involves diluting olive oil with cheaper oils, adding sugar to honey, or the hidden use of substitutes in protein supplements, the result is a loss of consumer trust and, in some cases, a potential risk to health. Analytical chemistry plays a key role in this area by providing methods and technologies capable of identifying and quantifying target compounds as well as unwanted impurities in a wide range of food matrices.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Praha_Falsovani_potravin_a_jak_ho_odhali_analyticka_chemie_6912db5492.jpg" alt="Watrex: Food Adulteration and How It Is Revealed by Analytical Chemistry" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Watrex_Praha_Falsovani_potravin_a_jak_ho_odhali_analyticka_chemie_6912db5492.jpg 245w," sizes="100vw" width="1600" height="900"><h4>The Role of Chromatography in Forensic Food Analysis</h4>Chromatography, particularly liquid chromatography (HPLC), is one of the most effective analytical tools for separating complex mixtures of molecules. It enables:<ul><li>qualitative identification of individual components in a sample,</li><li>quantitative determination of their concentrations,</li><li>detection of impurities and unexpected components that may indicate adulteration.</li></ul>In practice, HPLC is often combined with various types of detectors (UV/VIS, DAD, refractive index detectors) or with other techniques (e.g., mass spectrometry) to increase selectivity and sensitivity.<h4>Isocratic vs. Gradient Elution</h4>In the analysis of food samples, chromatographic methods are selected according to the analytical goal:<ul><li>Isocratic HPLC uses a constant mobile phase composition throughout the analysis. It is simple, robust, and ideal for routine determinations of well-defined target analytes (e.g., sugars or vitamins).</li><li>Gradient HPLC changes the mobile phase composition during separation, enabling better resolution of complex mixtures with a wide range of polarities (e.g., peptides or phenolic compounds).</li></ul>Gradient methods are particularly useful when analytes have very different properties and high separation efficiency is required.<h4>Watrex Praha and the Contribution of Modern Systems to Food Analysis</h4><a target="_blank" rel="noopener noreferrer" href="https://watrex.com/?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_clanky_HPLCsystemy">Watrex Praha, s.r.o.</a> is one of the leading Czech manufacturers and distributors of liquid chromatography systems and instruments, with a long tradition dating back to 1990. The company has successfully transformed from a distributor into a manufacturer of its own HPLC and related technologies, focusing on modular, robust systems suitable even for demanding analytical tasks.Their <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?manufacturerItems=93&amp;search=streamline">Streamline™ product line</a> includes several HPLC system concepts suitable for food analysis:<ul><li>Isocratic HPLC system – a simple yet precise configuration with a single pump, column thermostat, and UV/VIS detector; suitable for routine determination of known analytes (e.g., basic carbohydrates, food additives).</li><li>Binary gradient HPLC system – equipped with two pumps enabling mobile phase gradient formation, which enhances separation performance for complex mixtures (e.g., phenolic profiles of wine, components of aromatic extracts).</li><li>GPC/SEC system (Gel Permeation / Size Exclusion Chromatography) – a specialized solution for the determination of macromolecules and polymers, also relevant for the analysis of high-molecular-weight components in foods (e.g., polysaccharides).</li></ul><blockquote>👉<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/labrulez-bucket-strapi-h3hsga3/Watrex_catalog_2024_ba97395f92.pdf">Product catalogue HERE</a></blockquote>Thanks to the modular nature of these systems, analysts can easily adapt the configuration to a specific analytical problem, from simple routine analyses to complex characterization of food samples.<h4>Practical Examples of Adulteration Revealed by HPLC</h4><ul><li>Detection of olive oil dilution: HPLC can separate and quantify characteristic triacylglycerols and fatty acids; unusual patterns indicate the presence of cheaper oils.</li><li>Estimation of sugar addition in honey: Isocratic HPLC with a refractive index detector can determine sugar profiles (glucose, fructose, sucrose), revealing dilution or the addition of sugar syrups.</li><li>Identification of aromatic adulterants in wine: Gradient HPLC with a PDA detector can reveal phenolic and aromatic profiles that are altered by the addition of synthetic compounds.</li></ul><h4>Conclusion</h4>Food adulteration remains a current issue that requires reliable and sensitive analytical methods. Liquid chromatography, and in particular modern HPLC systems, represent one of the most powerful tools for detecting unwanted additives, impurities, and unexpected components in complex food samples. Manufacturers such as <a target="_blank" rel="noopener noreferrer" href="https://watrex.com/?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_clanky_HPLCsystemy">Watrex Praha</a> provide flexible chromatographic platforms covering a wide range of analytical tasks from simple isocratic to advanced gradient and GPC/SEC applications thereby supporting analysts in ensuring food quality and consumer protection.<blockquote>Did you find this article interesting? Follow <a target="_blank" rel="noopener noreferrer" href="https://watrex.com/?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_clanky_HPLCsystemy">Watrex Praha</a> on their social media (<a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/company/watrex/?viewAsMember=true">LinkedIn</a> and <a target="_blank" rel="noopener noreferrer" href="https://www.facebook.com/WatrexPrague">Facebook</a>) for more engaging topics.</blockquote>

Food Adulteration and How It Is Revealed by Analytical Chemistry

Join us for a fascinating conversation with Dr. Subhoja Chakraborty from the University of Central Florida, whose cutting-edge research targets the global challenge of malaria drug resistance. Dr. Chakraborty shares her journey from structure-based drug design during her PhD to her recent collaborative work repurposing human kinase inhibitors as rapid, selective antimalarials against drug-resistant Plasmodium falciparum strains.<h4>In this episode, you'll learn:</h4><ul><li>How structure-guided approaches reveal potential drug targets, including cysteine proteases like falcipain-2, and kinases implicated in malaria's complex life cycle.</li><li>The power of repurposing kinase inhibitors originally developed for cancer and other diseases, focusing on compound 12, which blocks hemozoin formation and protein kinase 6—key steps in parasite survival.</li><li>Lab techniques such as affinity, gel filtration, and size exclusion chromatography for recombinant protein purification—and how troubleshooting is crucial for high-yield, stable complexes.</li><li>Advances in mass spectrometry for characterizing protein interactions, validating drug targets, and mapping molecular pathways pivotal to malaria therapeutics.</li><li>Tips and lessons for new researchers facing the challenges of sample preparation, complex protocols, and working as part of a collaborative team.</li></ul>Dr. Chakraborty’s insights bridge the gap between basic science and translational drug discovery, offering hope for more effective, targeted malaria treatments in a world where resistance to frontline therapies threatens millions.<h4>Referenced Papers:</h4><ul><li>"Plasmodium falciparum protein kinase 6 and hemozoin formation are inhibited by a type II human kinase inhibitor exhibiting antimalarial activity" (Cell Chemical Biology, 2025)</li><li>"New insights of falcipain 2 structure from Plasmodium falciparum 3D7 strain" (BBRC, 2022)</li><li>"Structure-Based Optimization of Protease−Inhibitor Interactions to Enhance Specificity of Human Stefin‑A against Falcipain‑2 from the Plasmodium falciparum 3D7 Strain" (Biochemistry, 2023)</li></ul>If you’re a student, scientist, or simply passionate about advances in infectious disease research, this episode offers actionable insights, inspiring advice, and a front-row seat to innovation in combating malaria.<h3>Video Transcription</h3><h4>From Structural Biology to Drug Discovery: Chromatography and Mass Spectrometry in Malaria Research</h4><h5>Introduction</h5>In this discussion, Subhoja shares insights into her research journey, focusing on malaria drug discovery and the role of modern analytical techniques in biological and biomedical research. The conversation is aimed primarily at undergraduate students and early-career researchers interested in chemistry, biotechnology, and life sciences.<h5>Research Focus: Malaria Drug Discovery and Kinase Targets</h5>Subhoja is currently involved in malaria drug discovery research at the University of Central Florida, where she has been working since beginning her postdoctoral position two years ago. Her earlier PhD research focused on structure-based drug design in malaria, using a combination of in silico approaches, recombinant protein expression, and X-ray crystallography to determine precise three-dimensional structures of target proteins and their inhibitors.This structural perspective provided a foundation for her current work, which centers on drug discovery through compound screening and repurposing. A recent publication from her laboratory explores the use of repurposed mammalian CDK-like kinase inhibitors as potential antimalarial agents. While such kinase inhibitors are well known in cancer and cardiovascular research, their application to malaria targets represents a novel and promising approach.Kinases are attractive drug targets because of their central role in cell signaling and growth pathways. By targeting specific kinases involved in different stages of the malaria parasite life cycle—whether asexual growth, gametocytogenesis, or differentiation—it may be possible to significantly inhibit parasite growth and progression.<h5>Chromatography in Protein Expression and Purification Workflows</h5>Chromatography plays a critical role throughout Subhoja’s research. Her experience spans from basic chromatography techniques during her early training to advanced protein purification workflows using affinity chromatography, gel filtration (size exclusion chromatography), and ion exchange chromatography.Recombinant proteins are routinely purified using affinity resins such as nickel or cobalt, followed by further purification to remove contaminants. Fast Protein Liquid Chromatography (FPLC) enables compact, stepwise purification workflows suitable for producing proteins for in vitro assays.A recurring challenge in this process is the expression of high-molecular-weight proteins, which often accumulate in insoluble fractions or inclusion bodies. Careful selection of expression vectors, host systems, and induction conditions is therefore essential to maximize yield and solubility.<h5>Integrating Size Exclusion Chromatography into the Workflow</h5>Size exclusion chromatography (SEC) is typically used after affinity purification to further improve protein purity. Following elution with imidazole or glutathione, desalting is required to prevent buffer components from interfering with downstream assays. This is often achieved using desalting columns such as G-25 or PD-10.To remove lower-molecular-weight contaminants, finer SEC media—such as Superdex or Sephacryl columns—are employed. Concentration steps using molecular-weight cut-off filters are then applied to obtain the desired protein concentration for functional studies.These iterative purification and troubleshooting steps are a routine part of protein biochemistry and reflect the importance of methodical optimization and careful validation.<h5>The Role of Mass Spectrometry in Biomolecular Characterization</h5>Mass spectrometry is a key analytical tool in Subhoja’s research pipeline, particularly for target identification and validation. In both malaria and cancer research, MS is used alongside chromatography, immunoprecipitation, and pull-down assays to study protein interactions and molecular recognition events.Affinity-based mass spectrometry enables the identification of binding partners and interactors, whether studying proteins, long non-coding RNAs, or protein complexes. Techniques such as native MS, tandem affinity purification, and proximity labeling (e.g., TurboID-based workflows) provide deeper insights into molecular networks and signaling pathways.These approaches are essential for understanding how candidate drug targets function within complex biological systems.<h5>Sample Preparation Challenges in Biological Research</h5>Sample preparation remains one of the most challenging aspects of biological experimentation. Whole-cell lysates contain proteases, nucleases, and other components that can rapidly degrade target molecules. Preventing degradation requires minimizing preparation time, maintaining low temperatures, and using appropriate inhibitor cocktails.Reproducibility is also critical: biological experiments require multiple replicates, and variability is often unavoidable. Careful handling, protocol optimization, and continuous troubleshooting are essential to ensure reliable results, whether preparing samples for chromatography, mass spectrometry, sequencing, or immunoprecipitation.<h5>Advances in Chromatography and MS for Malaria Research</h5>Modern advances in chromatography and mass spectrometry significantly enhance malaria research by enabling precise target identification, quantification, and functional characterization. Drug discovery workflows begin with construct design and recombinant expression, followed by purification and interaction studies.In malaria research, stage-specific parasite biology requires careful extraction and analysis of proteins from different life cycle stages. Tandem affinity MS, immunoprecipitation, and in vivo validation studies help confirm target relevance and therapeutic potential.Recent work on repurposed kinase inhibitors has shown promising results, including inhibition of hemozoin formation—a key detoxification pathway for the malaria parasite—highlighting the potential of such compounds for further development.<h5>Malaria, Drug Resistance, and Global Impact</h5>Malaria remains a major global health burden, with over 600,000 deaths annually and widespread drug resistance complicating treatment. Artemisinin resistance, particularly associated with mutations in the K13 propeller domain, has driven the search for new targets and therapies.During her PhD, Subhoja focused on falcipain-2, a cysteine protease involved in hemoglobin degradation within the parasite. This pathway is critical for parasite survival and has emerged as a promising drug target. Her work revealed that falcipain-2 operates within a larger protein complex responsible for hemoglobin processing and amino acid release.Understanding these molecular mechanisms is essential for developing robust, stage-specific antimalarial strategies.<h5>Advice for Early-Career Researchers</h5>For researchers just starting out, Subhoja emphasizes the importance of hands-on experience. Working directly with cells, lysates, and analytical tools is essential for truly understanding experimental systems. Failure is an inherent part of research, and perseverance is key.Motivation, teamwork, careful sample handling, and thorough preparation all contribute to long-term success. Reading extensively, critically evaluating one’s own work, and appreciating incremental progress are vital aspects of a sustainable research career.Every successful experiment—no matter how small—represents meaningful progress and contributes to the broader goals of science and medicine.<h5>Closing Remarks</h5>The discussion highlights how interdisciplinary approaches combining chromatography, mass spectrometry, structural biology, and biochemistry are driving advances in malaria drug discovery. Through careful experimental design, analytical rigor, and collaborative teamwork, researchers can address complex biological challenges and contribute to global health solutions.<blockquote>This text has been automatically transcribed from a video presentation using AI technology. It may contain inaccuracies and is not guaranteed to be 100% correct.</blockquote><blockquote><h4>Concentrating on Chromatography Podcast</h4>Dive into the frontiers of chromatography, mass spectrometry, and sample preparation with host David Oliva. Each episode features candid conversations with leading researchers, industry innovators, and passionate scientists who are shaping the future of analytical chemistry. From decoding PFAS detection challenges to exploring the latest in AI-assisted liquid chromatography, this show uncovers practical workflows, sustainability breakthroughs, and the real-world impact of separation science. Whether you’re a chromatographer, lab professional, or researcher you'll discover inspiring content!You can find Concentrating on Chromatography Podcast in podcast apps:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL">Spotify</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185">Apple podcast</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography">podscan</a></li></ul>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos">YouTube channel</a></blockquote>

Affinity, Gel Filtration, Size Exclusion Chromatography: Repurposing Kinase Inhibitors for Malaria

Article

Product

Video

Scientists

Food

Interview

Science and research

The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague) is a leading scientific institution in the Czech Republic, recognized internationally. Its primary mission is basic research in the fields of chemical biology and medicinal chemistry, organic and material oriented chemistry, chemistry of natural compounds, biochemistry and molecular biology, physical chemistry, theoretical chemistry, and analytical chemistry. 

Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences

Organomation, founded in 1959, designs and manufactures high-quality nitrogen evaporators and extraction systems. Known for innovation and durability, their lab instruments are used globally for efficient sample preparation with strong customer support.

Organomation

WATREX Prague is the distributor and producer of HPLC techniques in the Czech Republic and Slovakia. Main Chromatografic and Related Techniques Supported: LC, GPC, IC, IEC, Automated SPE, LC Columns and special column packings, LC method development, Software development, Laboratory Robots.

Watrex Praha

KNAUER Eurospher II 100 C18H Prep HPLC Columns (USP L1)

C18H stationary phase with a special, high efficiency or polymeric unpolar endcapping style. Suited for the use of mobile phase in an extended pH range from typically pH 1–12. 

Hydrophobic / pH stable C18H Columns for more unpolar analytes in Reversed Phase (USP L1)C18H stationary phase with a special, high efficiency or polymeric unpolar endcapping style. Because of the high carbon content and the protection of the Silica gel these materials are also suited for the use of mobile phase in an extended pH range from typically pH 1–12.While a high endcapped C18H phase is characterized mostly by the high carbon content. A polymeric endcapped phase also provides an increased steric selectivity.<h5>Properties</h5><ul><li>Separation mechanism: Hydrophobic interaction</li><li>Ultra pure, spherical high performance HPLC phase based on silica gel</li><li>Nonpolar, monomeric C18 (Octadecyl) modification, high efficiency endcapping with 17 % carbon content (~ 99 % endcapping)</li></ul><h5>Key features</h5><ul><li>Nonpolar C18 phase with high efficiency endcapping and 17 % carbon content, resulting in higher pH stability in the range of 1–12, outstanding mechanical and chemical stability, suited for analytical as well as semi preparative and preparative applications.</li></ul><h5>Recommended application areas</h5><ul><li>Recommended alternative to Kromasil 100 C18, for acidic, basic and neutral analytes in reversed phase mode with extended pH range.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_C18_H_c5531f7d87.webp" alt="KNAUER: C18H" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_C18_H_c5531f7d87.webp 226w," sizes="100vw" width="687" height="475"><blockquote>Tip: All analytical KNAUER columns can be used in reversed flow direction for example for cleaning. Please refer to our Column care and use documents on the website for further information about storage conditions and cleaning procedures.</blockquote>Stationary phase Eurospher II 100 C18H is provided in these column types: analytical, semi-preparative and preparative.Eurospher II 100 C18H Preparative Standard Columns are available with these parameters:<ul><li>Column length (mm): 50, 150, 250</li><li>Column ID (mm): 20, 30, 50</li><li>Particle size (µm): 5, 10, 15</li></ul>Eurospher II 100 C18H Preparative dAX Columns with dynamic axial compression are available with these parameters:<ul><li>Column length (mm): 50, 150, 250</li><li>Column ID (mm): 25, 30, 50</li><li>Particle size (µm): 5, 10, 15</li></ul><h3>KNAUER Preparative HPLC Columns</h3>The right choice for all dimensions from semi-prep to batch chromatography to SMB.<ul><li>Modifications: Reversed Phase, HILIC, Normale Phase</li><li>Max. Pressure: 400–600 bar</li><li>Column Inner Diameter (ID): 16–50 mm in our shop, more on request</li><li>Column Brands: Eurospher, Eurospher II</li><li>Safe Investment: Robustness and durability based on superior technology</li><li>Application: Easy upscaling, as all materials are available from ultra high performance to preparative scale HPLC. You can also use our upscaling calculator.</li><li>Customizable: Standard flanged hardware &amp; dAX hardware with static or dynamic axial compression available</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Preparative_HPLC_Columns_31bc2477c3.webp" alt="KNAUER: KNAUER Preparative HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Preparative_HPLC_Columns_31bc2477c3.webp 221w," sizes="100vw" width="1024" height="724"><h5>Preparative HPLC columns can be offered with two different hardware types:</h5><ul><li>Versatile standard flanged hardware for nearly any application task in batch chromatography</li><li>dAX Hardware with static and dynamic axial compression for an extended lifetime and multi-column chromatography like SMB processes</li></ul>

KNAUER Eurospher II 100 C18P Prep HPLC Columns (USP L1)

KNAUER´s most unpolar C18P phase with excellent shape selectivity. It features polymeric, high efficiency endcapping of 99 % and 20 % carbon content, exceptional pH stability in the range of 1–12.

C18P columns with trifunctional modifications (USP L1): Hydrophobic and stearic interactionsKNAUER´s most unpolar C18P phase with excellent shape selectivity. It features polymeric, high efficiency endcapping of 99 % and 20 % carbon content, exceptional pH stability in the range of 1–12, and outstanding mechanical and chemical stability.<h5>Properties</h5><ul><li>Separation mechanism: Hydrophobic and stearic interaction</li><li>Ultra pure, spherical high performance HPLC phase based on silica gel</li><li>Unpolar, trifunctional C18 (Octadecyl) modification, high efficiency endcapping, with 20 % carbon content (~ 99 % endcapping)&nbsp;</li></ul><h5>Key features</h5><ul><li>KNAUER´s most unpolar C18 phase, polymeric, high efficiency endcapping of 99 % and 20 % carbon content, higher pH stability in the range of 1-12, outstanding mechanical and chemical stability, suited for analytical as well as semi preparative and preparative applications.</li></ul><h5>Recommended application areas</h5><ul><li>Alternative selectivity to standard C18; stationary phase in Eurospher II C18 family with the highest carbon load; fully endcapped; excellent shape selectivity and pH stability.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_C18_P_f093126fa9.webp" alt="KNAUER: C18P" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_C18_P_f093126fa9.webp 245w," sizes="100vw" width="278" height="174"><blockquote>Tip: Not all C18 phases are comparable! When replacing an existing column, always have a close look at the characteristics like carbon load, pore size and specific surface area.</blockquote>Stationary phase Eurospher II 100 C18P is provided in these column types: analytical, semi-preparative and preparative.Eurospher II 100 C18P Preparative Standard Columns are available with these parameters:<ul><li>Column length (mm): 50, 150, 250</li><li>Column ID (mm): 20, 30, 50</li><li>Particle size (µm): 5, 10, 15</li></ul>Eurospher II 100 C18P Preparative dAX Columns with dynamic axial compression are available with these parameters:<ul><li>Column length (mm): 50, 150, 250</li><li>Column ID (mm): 25, 30, 50</li><li>Particle size (µm): 5, 10, 15</li></ul><h3>KNAUER Preparative HPLC Columns</h3>The right choice for all dimensions from semi-prep to batch chromatography to SMB.<ul><li>Modifications: Reversed Phase, HILIC, Normale Phase</li><li>Max. Pressure: 400–600 bar</li><li>Column Inner Diameter (ID): 16–50 mm in our shop, more on request</li><li>Column Brands: Eurospher, Eurospher II</li><li>Safe Investment: Robustness and durability based on superior technology</li><li>Application: Easy upscaling, as all materials are available from ultra high performance to preparative scale HPLC. You can also use our upscaling calculator.</li><li>Customizable: Standard flanged hardware &amp; dAX hardware with static or dynamic axial compression available</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Preparative_HPLC_Columns_31bc2477c3.webp" alt="KNAUER: KNAUER Preparative HPLC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Preparative_HPLC_Columns_31bc2477c3.webp 221w," sizes="100vw" width="1024" height="724"><h5>Preparative HPLC columns can be offered with two different hardware types:</h5><ul><li>Versatile standard flanged hardware for nearly any application task in batch chromatography</li><li>dAX Hardware with static and dynamic axial compression for an extended lifetime and multi-column chromatography like SMB processes</li></ul>

Phenomenex Luna Omega Polar C18 HPLC Prep Columns

Luna Omega Polar C18 is a novel HPLC and UHPLC stationary phase capable of providing a unique selectivity within a wide elution window and increased retention for both polar and non polar analytes.

Reversed Phase Polar Retention Without the HeadacheLuna Omega Polar C18 is a novel HPLC and UHPLC stationary phase capable of providing a unique selectivity within a wide elution window and increased retention for both polar and non polar analytes. The all purpose C18 ligand provides hydrophobic interactions while a polar modified particle surface provides enhanced polar retention and also aqueous stability. These attributes make the Luna Omega Polar C18an excellent choice for balanced retention of polar and hydrophobic compounds as well as to solely enhance retention of highly polar compounds.<ul><li>Compatible with All Analytical HPLC/UHPLC Systems</li><li>Fully Scalable Particle Size UHPLC HPLC Preparative</li><li>100 % Aqueous Stable C18 Selectivity</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_Omega_Polar_C18_HPLC_Column_a9c42ff59a.jpg" alt="Phenomenex: Luna Omega Polar C18 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_Omega_Polar_C18_HPLC_Column_a9c42ff59a.jpg 245w," sizes="100vw" width="870" height="315"><ul><li>Carbon Load: null %, 11.0 %</li><li>Particle Size: 1.6, 3, 5</li><li>Recommended Use: Polar retentive C18 phase for HPLC and UHPLC separations of hydrophobic/polar compounds</li></ul><h4>Not Just Another C18…Built Different</h4>Luna Omega Polar C18 is a uniquely modified C18 based chemistry that has been optimized to improve the performance of polar analyses. This new particle surface chemistry makes the Polar C18 applicable to all industries that utilize HPLC for mixtures of polar and non polar compounds.<h4>Stable Retention &amp; 100% Aqueous Stable&nbsp;</h4>Traditional C18 phases are known to collapse under 100 % aqueous conditions, causing retention loss of compounds and a method development headaches. That is why an advanced proprietary bonding technology was used for the Luna Omega Polar C18 in order to ensure aqueous stability.&nbsp;<h4>Increased Reversed Phase Polar Retention</h4>With its polar modified surface, the Luna Omega Polar C18 offers UHPLC users enhanced separation power that can greatly improve resolution values for target compounds.<blockquote>Stationary phase Luna Omega Polar C18 is provided in these column types: analytical, microbore, minibore, midbore and preparative</blockquote><h5>Luna Omega Polar C18 HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna Omega HPLC/UHPLC Columns</h3>The cutting edge thermally modified Luna Omega particle delivers high efficiency, ruggedness, reproducibility, and dependability for a wide range of chromatographic analyses. Luna Omega HPLC and UHPLC columns are built upon more then 20 years of applied knowledge, invention, and customer experience in the manufacture and packing of LC columns. The particle’s novel design and proprietary manufacturing process results in greater particle inertness, a stronger particle morphology, and more consistent porosity.<ul><li>Greater separation muscle and retention</li><li>Consistent porous structure and elimination of micropores</li><li>Extreme ruggedness and reproducibility</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg" alt="Phenomenex:Thermal modified pore structure of Luna Omega Column particles" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg 245w," sizes="100vw" width="1257" height="369"><h3>Explore Luna Omega Columns</h3><h5>Astounding Performance</h5>The undeniably high efficiency levels found in each Luna Omega UHPLC column provide you with the potential of huge gains in method performance. While traditional silica and hybrid fully porous particles claim high performance, when compared to Luna Omega 1.6 μm, they drastically fall short and prevent UHPLC scientists from reaching their UHPLC potential.<h5>Separation Muscle</h5>Our industry leading bonding technologies in conjunction with high efficiency levels ensure excellent stationary phase coverage and improved separation power. Now, with Luna Omega 1.6 μm, you can turn difficult separations into resolution achievements.<h5>Inert Foundation</h5>Luna Omega UHPLC columns contain a unique silica modified using a proprietary, post-synthetic thermal treatment process to provide extraordinary mechanical strength and significantly greater inertness than traditional fully porous and hybrid materials. This greatly minimizes secondary interactions that negatively affect peak shape, allowing for greater method accuracy.<h5>Consistent Results</h5>Batch-to-batch and column-to-column, Luna® Omega media and columns are designed to be consistent and incredibly accurate tools for your analysis. Each batch and column are quality tested to ensure dependability and reproducibility.

Phenomenex Luna Omega PS C18 HPLC Prep Columns

Luna Omega PS C18 is a unique mixed interaction stationary phase that provides incredibly useful polar and non-polar retention. 

Improve Peak Shape for Bases Without the HeadacheLuna Omega PS C18 is a unique mixed interaction stationary phase that provides incredibly useful polar and non-polar retention. The surface of the PS C18 contains a positive charge which aids in the retention of acidic compounds and provides better peak shape for bases through ionic interactions, while the C18 ligand promotes general reversed phase retention. This mixed-mode selectivity allows for greater separation between compounds with varying functional groups.<ul><li>Compatible with All Analytical HPLC/UHPLC Systems</li><li>Fully Scalable Particle Size UHPLC HPLC Preparative</li><li>Charged Surface C18 that is 100 % Aqueous Stable</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_Omega_PS_C18_HPLC_Column_bf5cf29276.webp" alt="Phenomenex: Luna Omega PS C18 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_Omega_PS_C18_HPLC_Column_bf5cf29276.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: null %, 11.0 %</li><li>Particle Size: 1.6, 3, 5</li><li>Recommended Use: Positive surface C18 phase for HPLC and UHPLC separations of hydrophobic/basic compounds</li></ul><h4>A C18 With a Positive Twist</h4>Luna Omega PS C18 has been fine tuned and manufactured by Phenomenex to provide a mixed selectivity that is highly useful for method development involving either combinations of polar and nonpolar compounds, or just one single compound class with small changes in functional groups.<h4>Enhanced Selectivity and Polar Retention</h4>With its positive surface (PS) the Luna Omega PS C18 provides valuable increase in retention of acids through ionic/polar interactions. In addition, the C18 ligand also stimulates hydrophobic retention that greatly promotes increased resolution between analytes of interest.<h4>Think Outside the Traditional C18 Selectivity</h4>Traditional C18 phases may not always be the best option. A HPLC and UHPLC column that has both polar and hydrophobic versatility allows for great method development flexibility.<h4>Better Peak Shape for Bases</h4>While traditional alkyl phases are prone to show tailing for basic compounds because of secondary interactions occurring at the silica surface, the surface of the Luna Omega PS C18 was designed with positive charges that serve to repel strong basic species and consistently display sharp peak shape.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Better_Peak_Shape_for_Bases_Comparison_of_Luna_Omega_PS_C18_with_C18_Columns_from_other_manufacturers_3667109291.jpg" alt="Phenomenex: Better Peak Shape for Bases (Comparison of Luna Omega PS C18 with C18 Columns from other manufacturers)" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Better_Peak_Shape_for_Bases_Comparison_of_Luna_Omega_PS_C18_with_C18_Columns_from_other_manufacturers_3667109291.jpg 245w," sizes="100vw" width="905" height="485"><blockquote>Stationary phase Luna Omega PS C18 is provided in these column types: analytical, minibore, midbore and preparative</blockquote><h5>Luna Omega PS C18 HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Phenomenex Luna Omega HPLC/UHPLC Columns</h3>The cutting edge thermally modified Luna Omega particle delivers high efficiency, ruggedness, reproducibility, and dependability for a wide range of chromatographic analyses. Luna Omega HPLC and UHPLC columns are built upon more then 20 years of applied knowledge, invention, and customer experience in the manufacture and packing of LC columns. The particle’s novel design and proprietary manufacturing process results in greater particle inertness, a stronger particle morphology, and more consistent porosity.<ul><li>Greater separation muscle and retention</li><li>Consistent porous structure and elimination of micropores</li><li>Extreme ruggedness and reproducibility</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg" alt="Phenomenex:Thermal modified pore structure of Luna Omega Column particles" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Thermal_modified_pore_structure_of_Luna_Omega_Column_particles_37138bb135.jpg 245w," sizes="100vw" width="1257" height="369"><h3>Explore Luna Omega Columns</h3><h5>Astounding Performance</h5>The undeniably high efficiency levels found in each Luna Omega UHPLC column provide you with the potential of huge gains in method performance. While traditional silica and hybrid fully porous particles claim high performance, when compared to Luna Omega 1.6 μm, they drastically fall short and prevent UHPLC scientists from reaching their UHPLC potential.<h5>Separation Muscle</h5>Our industry leading bonding technologies in conjunction with high efficiency levels ensure excellent stationary phase coverage and improved separation power. Now, with Luna Omega 1.6 μm, you can turn difficult separations into resolution achievements.<h5>Inert Foundation</h5>Luna Omega UHPLC columns contain a unique silica modified using a proprietary, post-synthetic thermal treatment process to provide extraordinary mechanical strength and significantly greater inertness than traditional fully porous and hybrid materials. This greatly minimizes secondary interactions that negatively affect peak shape, allowing for greater method accuracy.<h5>Consistent Results</h5>Batch-to-batch and column-to-column, Luna® Omega media and columns are designed to be consistent and incredibly accurate tools for your analysis. Each batch and column are quality tested to ensure dependability and reproducibility.

Phenomenex Luna C18(2) HPLC Preparative Columns

The Luna C18(2) phase is an octadecyl silane with ligands bound to the silica surface, resulting in a C18 HPLC column with a very hydrophobic stationary phase.

The Luna C18(2) phase is an octadecyl silane with ligands bound to the silica surface, resulting in a C18 HPLC column with a very hydrophobic stationary phase that offers great methylene selectivity. Luna C18(2) columns enable higher flow rates while maintaining excellent resolution and efficiency. The advanced packing technology ensures consistent, high-performance results across both existing and newer HPLC instrumentation.Features of Luna C18(2) columns:<ul><li>Extensive line of rugged particle sizes</li><li>Easy method scalability from HPLC to preparative and bulk purification LC</li><li>C18(2) Ultra-pure, metal-free silica (99.99% purity) (USP:L1)</li><li>Faster separations</li><li>No need for time-consuming method revalidation</li><li>An ideal choice for improving lab productivity and efficiency</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Luna_C18_2_HPLC_Column_b89177b492.webp" alt="Phenomenex: Luna C18(2) HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Luna_C18_2_HPLC_Column_b89177b492.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 17.5, 17.5 %</li><li>Surface Area (m²/g): 400</li><li>Particle Size: 2.5, 3, 5, 10, 15</li><li>Recommended Use: Recommended for improved methylene selectivity for USP methods or general LC method development</li></ul><h3>Long Column Lifetimes and Excellent Performance</h3>Ultra-pure, metal-free silica (99.99 % purity) is the back-bone of all Luna material. The resulting high quality particles have a surface smoothness, pore structure, and pore consistency to ensure a more uniform particle shape and greater reproducibility.<h4>Wide pH Stability</h4>Luna C18(2) columns are renowned for their exceptional pH stability, offering a wide operational range from pH 1.5 to 9.0. This extended pH range is achieved through the high density of the bonded phase. As a result, peak shapes remain sharp and consistent across varying pH levels, ensuring reliable performance. The wide pH stability of Luna C18 columns allows analysts to work above the pKb of basic compounds, rendering them more hydrophobic. This enhances retention, improves peak shape, and boosts reproducibility, making Luna C18(2) an ideal choice for flexible and long-lasting HPLC methods.<h4>Mobile Phase Compatibility</h4>When using HPLC columns, it's crucial to use HPLC-grade solvents and materials while avoiding immiscible solvent/buffer combinations to prevent column damage. To ensure the highest performance, solvent filtration is strongly recommended to eliminate trace impurities from your chosen mobile phase.All Luna HPLC columns, including the widely used Luna C18(2), are stable in 100% organic conditions, offering flexibility in method development. It is essential to keep the mobile phase pH within the recommended limits for each stationary phase to avoid compromising the column's integrity and lifespan. Adhering to these guidelines ensures optimal column performance, extended longevity, and consistent, reliable results in your chromatographic analyses.<h4>Common Applications:</h4><h5>Pharmaceutical Compounds:</h5><ul><li>Pain Relievers &amp; Anti-inflammatory: Acetaminophen, Aspirin, Ibuprofen, Naproxen, Cortisone Acetate, Prednisone (oral solution)</li><li>Stimulants &amp; Decongestants: Caffeine, Pseudoephedrine, Phenylephrine Hydrochloride, Phenylpropanolamine</li><li>Respiratory &amp; Allergy Medications: Albuterol, Diphenhydramine, Guaifenesin, Dextromethorphan</li><li>Antibiotics &amp; Antimicrobials: Amoxicillin, Cephalexin, Cephradine (capsules), Chloramphenicol, Sterile Imipenem</li><li>Cardiovascular &amp; Blood Pressure Medications: Atenolol, Dopamine, Minoxidil, Reserpine, Procainamide</li><li>CNS &amp; Psychiatric Medications: Amitriptyline Hydrochloride, Imipramine, Lorazepam, Propoxyphene</li><li>Local Anesthetics: Lidocaine</li><li>Hormonal Treatments: Estradiol</li></ul><blockquote>Stationary phase Luna C18(2) is provided in these column types: analytical, microbore, minibore, midbore, semi-preparative and preparative</blockquote><h5>Luna C18(2) HPLC Axia™ Packed Preparative Columns are available with these parameters:</h5><ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5, 10</li></ul><h3>Phenomenex Luna HPLC Columns</h3>Luna HPLC columns are renowned for their outstanding reliability and adaptability in high-performance liquid chromatography (HPLC). Manufactured by Phenomenex, Luna HPLC columns are made from 99.999% ultra-pure, metal-free silica, with meticulous attention given to quality control across all aspects of its structure and chemistry. This guarantees that Luna columns consistently deliver reliable performance, ensuring dependable method reproducibility. The Luna series offers diverse selectivity, making it suitable for a broad range of chromatographic applications, from microbore and fast LC to preparative and bulk purification scales.All Luna products uphold the high standards our customers depend on. Featuring high surface area particles, Luna columns deliver improved resolution and performance, meeting the stringent requirements of HPLC users. Designed for longevity and consistent results, these columns are the trusted choice for both routine analyses and specialized separations, ensuring top-tier chromatographic outcomes.<h4>Explore Luna Columns</h4><ul><li>Proven Performance: Extensive line of rugged USP and Ph.Eur. phases</li><li>Maximum Reproducibility: Each column has both a certificate of analysis and a certificate of quality assurance</li><li>Ultra-High Purity: Metal free silica (99.99% purity) &nbsp;ensures a low activity surface and less secondary interactions</li><li>Scalable: Phases available in 3,5, 10 and 15 µm particle size for scaling from analytical to prep and bulk purification</li></ul>Explore resolution with 10 unique Luna selectivities and find your next selectivity tool. Combined with high surface area the Luna family of columns offers an excellent HPLC performance for a wide range of chromatographic applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg" alt="Phenomenex - Phases of Luna Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Phases_of_Luna_Columns_5b3ae06cee.jpg 180w," sizes="100vw" width="565" height="490">

Phenomenex Kinetex XB-C18 Core Shell Preparative Columns

Di-isobutyl side chains differentiate this C18 column. Low ligand density and an inactive surface make this column a great hydrogen bond acceptor. 

<h4>A Unique Core-Shell Selectivity</h4>Di-isobutyl side chains differentiate this C18 column. Low ligand density and an inactive surface make this column a great hydrogen bond acceptor. This phase will demonstrate improved peak shape and increased retention of acidic compounds.<ul><li>Compatible with all Analytical HPLC/UHPLC Systems</li><li>Unique C18 Retention (USP: L1)</li><li>Improved Selectivity of Acidic compounds</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Kinetex_XB_C18_Core_Shell_HPLC_Column_411f3ff1a8.webp" alt="Phenomenex: Kinetex XB-C18 Core Shell HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Kinetex_XB_C18_Core_Shell_HPLC_Column_411f3ff1a8.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 10 (effective), 10.0, null %, 10 (effective) %, 10.0 %</li><li>Surface Area (m²/g): 200</li><li>Particle Size (μm): 1.7, 2.6, 3.5, 5</li><li>Recommended Use: Superior peak shape and enhanced separation of basic compounds under neutral and acidic conditions</li></ul><h4>Selectivity for Acidic Compounds</h4>This unique C18 phase yields increased hydrogen bonding with hydrophobic selectivity‚ resulting in improved peak shape for basic compounds and increased retention of acidic compounds.<h4>Complementary Core-Shell C18 Phases</h4>Ultra-high performance columns like Kinetex will give you very narrow peaks, but without the right selectivities you are left with very narrow, overlapping peaks. The phases offered in the Kinetex column line are complementary to one another, so the spectrum of selectivity your separations require is covered.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Kinetex_C18_vs_XB_C18_fe7c0252f4.jpg" alt="Phenomenex: Kinetex C18 vs. XB-C18" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Kinetex_C18_vs_XB_C18_fe7c0252f4.jpg 165w," sizes="100vw" width="902" height="855"><h4>Manipulate Acidic and Basic Compound Retention</h4>Find the right phase selectivity for your application by investigating the diverse selectivity availability of the Kinetex Core Shell HPLC and UHPLC columns. Where reliable performance meets unique selectivity.<blockquote>Stationary phase Kinetex XB-C18 is provided in these column types: analytical and preparative</blockquote>Axia Packed Preparative Columns<ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Kinetex Core-Shell Technology Columns</h3>Kinetex Core-Shell Technology delivers dramatic improvements in efficiency over conventional fully porous media, which can be leveraged to increase resolution, significantly improve productivity, reduce solvent consumption, and decrease costs. Whether you are running high-performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) methods, the Kinetex core-shell family can deliver shockingly improved performance over the current column you are using. Phenomenex designs, manufactures, and sells its very own silica and organo-silica core-shell particles.Advantages of Kinetex HPLC Columns<ul><li>Performance gains on ANY liquid chromatography system</li><li>System-to-system and lab-to-lab method portability</li><li>Improve the productivity of older, established methods.</li></ul><h4>How Does Core-Shell Technology Work?</h4>Core-shell technology in chromatography is a revolutionary approach that enhances the efficiency of HPLC systems while minimizing costs. Core-shell particles are designed with a solid, non-porous silica core surrounded by a porous outer layer. This unique structure allows for faster analyte mass transfer between the mobile and stationary phases, as diffusion occurs only through the thin, porous shell rather than the entire particle. This minimizes band broadening, leading to higher separation efficiency and sharper peaks.The consistency in size and shape of core-shell particles further enhances separation efficiency by reducing variability in analyte movement. As a result, core-shell HPLC columns provide high efficiency and resolution at lower backpressures, making them an ideal choice for labs looking to improve their existing HPLC systems without the need for costly UHPLC equipment.Core-shell technology thus offers a cost-effective alternative to upgrading to UHPLC systems, enabling labs to maximize the efficiency of their current HPLC setups. The formation of these particles through advanced sol-gel processing techniques ensures uniformity and reliability, making them a valuable tool in modern chromatography. By using the Kinetex HPLC column, laboratories can achieve faster analysis times and higher productivity while maintaining excellent separation performance.<h3>Kinetex Core-Shell Performance on Any LC System</h3>The 5 versatile particle sizes allow you to select the best fit for your instrument.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg" alt="Phenomenex: Five versatile particle sizes of Kinetex Core-Shell Technology Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg 245w," sizes="100vw" width="1341" height="333"><h3>Particle Chemistry</h3>Using sol-gel processing techniques that incorporate nano-structuring technology, a durable, homogeneous porous shell is grown on a solid silica core to create a Kinetex Core-Shell particle. This particle morphology results in less band broadening for all four sources of UHPLC band broadening compared to fully porous particles and thus delivers extremely high efficiencies.<ul><li>Optimized for Ultra-High Performance</li><li>Superior Core-Shell Quality</li><li>Core-Shell Scalability and Portability</li></ul>Kinetex particles are characterized by an exceptionally consistent size distribution, with particles being nearly monodispersed, meaning they are uniform in size. This precise uniformity plays a crucial role in minimizing variability within the column, leading to enhanced separation efficiency and sharper peaks.The nearly monodispersed nature of these particles ensures that the flow of the mobile phase remains consistent, reducing the likelihood of irregularities that can impact results. As a result, Kinetex columns deliver highly reliable and reproducible performance, making them ideal for achieving consistent analytical outcomes acrLC Kinetex Core-Shell Technolooss various applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg" alt="Phenomenex: Kinetex Polar C18 vs Fully Porous phase" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg 245w," sizes="100vw" width="1376" height="581"><h3>Core-shell vs Fully Porous</h3><h4>High-Efficiency‚ High-Density Particle</h4>The combination of a consistent, solid, high-density core along with proprietary column packing technologies in the Kinetex HPLC column ensures optimum bed structure and high column performance. This carefully designed core structure promotes uniform packing of the particles, which is essential for minimizing band-broadening effects that can arise from Eddy Diffusion.The manufacturing process of Kinetex columns is tightly controlled, focusing on factors such as particle size distribution, surface and bonding homogeneity, and packing quality. This meticulous engineering leads to uniform packing and minimized band-broadening, resulting in superior separation efficiency.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg" alt="Phenomenex: Core-shell vs Fully Porous.jpg" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg 245w," sizes="100vw" width="904" height="506"><h3>Expand Your Core-Shell Selectivity Toolbox</h3>Kinetex core-shell particle LC columns deliver exceptional performance enhancements across any LC system, offering unmatched efficiency and resolution. With a choice of 11 diverse stationary phases, these columns cater to a wide range of chromatographic applications, ensuring optimal separation for various analytes.Additionally, the availability of five versatile particle sizes allows for precise method tailoring, enabling both high-speed and high-resolution separations. Whether you're using HPLC or UHPLC systems, Kinetex columns provide the flexibility and performance needed to achieve superior analytical results.<h3>Top 5 Pros of Kinetex Core-Shell Technology</h3><ul><li>Productivity: Kinetex Core-Shell Technology significantly enhances method productivity with minimal effort. By simply replacing traditional, fully porous columns with Kinetex HPLC columns, users can achieve better resolution, sensitivity, and overall productivity without extensive method redevelopment. This easy switch allows for immediate improvements in chromatographic performance, making it a cost-effective upgrade to existing methods.</li><li>Portability The Kinetex Core-Shell columns are available in a range of particle sizes (1.3 µm to 5 µm), which ensures method portability across different HPLC and UHPLC systems. This scalability allows for consistent retention and selectivity across various particle sizes while accommodating different backpressure levels, making it easier to transfer methods between instruments.</li><li>Performance Kinetex Core-Shell Technology delivers superior chromatographic efficiency compared to fully porous particles. This efficiency boost enables chromatographers to maximize the performance of their HPLC/UHPLC systems, ensuring optimal results with higher resolution and sharper peaks, even under similar method conditions.</li><li>Phases With 11 unique phase selectivities available, Kinetex Core-Shell Technology offers unmatched versatility for method development. This wide selection of phase chemistries allows for tailored separations and simplified optimization, ensuring the best possible results for a wide range of applications.</li><li>Pressure Kinetex Core-Shell columns provide higher efficiency at lower system backpressures compared to fully porous columns. This allows users to achieve superior chromatographic performance on conventional LC instruments without the need for ultra-high-pressure systems, making it a practical choice for routine analyses.</li></ul>

Phenomenex Kinetex Core-Shell Preparative C18 HPLC Columns

The well-rounded, all-purpose core-shell Kinetex C18 HPLC column produces high efficiencies compared to traditional, fully porous columns.

The Go-To Core-Shell Selectivity for Hydrophobic Compounds!The well-rounded, all-purpose core-shell Kinetex C18 HPLC column produces high efficiencies compared to traditional, fully porous columns. HPLC C18 columns come in various configurations to ensure outstanding performance and are recognized as the most retentive among alkyl-bonded phases. When used with UHPLC systems, the 2.6 µm size achieves similar performance to fully porous sub-2 µm particles but at significantly lower backpressure. Yielding remarkable chromatographic resolution, higher peak capacities, and greater sensitivity, the Kinetex C18 columns maximize the efficiency of every HPLC or UHPLC analysis.Advantages of Kinetex Core-Shell C18 HPLC Columns<ul><li>Compatible with all Analytical HPLC/UHPLC Systems</li><li>Four fully scalable particle sizes available</li><li>Excellent Reproducibility and Batch-to-Batch Confidence</li><li>USP: L1</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Kinetex_C18_e3ad60cfa9.webp" alt="Phenomenex: Kinetex-C18" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Kinetex_C18_e3ad60cfa9.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: 12 (effective), null %, 12 (effective) %</li><li>Surface Area (m²/g): 200</li><li>Particle Size: 1.3, 1.7, 2.6, 5</li><li>Recommended Use: All-purpose hydrophobic retention and methylene selectivity</li></ul><h4>Compatibility</h4>The Kinetex C18 column is fully compatible with all UHPLC instruments, ensuring seamless integration into any lab setup. This column is designed for easy installation and optimal performance. For installation, loosen the collet, place the tool between the gold compression screw and collet for quick release, adjust the tubing to the correct port depth, and connect the Kinetex column to the end-fitting. This universal compatibility allows you to leverage the powerful sub-2 µm column technology across different systems effortlessly.<h4>Balances Retention and Performance</h4>The Kinetex C18 column offers a well-balanced C18 phase that delivers the highest level of hydrophobic selectivity compared to other Kinetex phases.<h4>Upgrade from Traditional Fully Porous to Kinetex Core-Shell</h4>Enhance your analytical method instantly by upgrading to the Kinetex C18 column for superior performance. Take advantage of the fully scalable available particle sizes of Kinetex C18 to bring improved performance to any LC system!<figure class="image"><img style="aspect-ratio:911/871;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Fully_porous_vs_Core_shell_9faba152f9.jpg" alt="Phenomenex: Fully porous vs Core-shell C18 Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Fully_porous_vs_Core_shell_9faba152f9.jpg 163w," sizes="100vw" width="911" height="871"></figure><h4>Performance with Kinetex C18 on HPLC and UHPLC Systems</h4>Quickly improve the productivity and performance of your existing methods and utilize the core-shell advantage to deliver the performance you need at backpressures the system can handle.<blockquote>Stationary phase Kinetex Core-Shell C18 is provided in these column types: analytical and preparative</blockquote>Axia Packed Preparative Columns<ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Kinetex Core-Shell Technology Columns</h3>Kinetex Core-Shell Technology delivers dramatic improvements in efficiency over conventional fully porous media, which can be leveraged to increase resolution, significantly improve productivity, reduce solvent consumption, and decrease costs. Whether you are running high-performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) methods, the Kinetex core-shell family can deliver shockingly improved performance over the current column you are using. Phenomenex designs, manufactures, and sells its very own silica and organo-silica core-shell particles.Advantages of Kinetex HPLC Columns<ul><li>Performance gains on ANY liquid chromatography system</li><li>System-to-system and lab-to-lab method portability</li><li>Improve the productivity of older, established methods.</li></ul><h4>How Does Core-Shell Technology Work?</h4>Core-shell technology in chromatography is a revolutionary approach that enhances the efficiency of HPLC systems while minimizing costs. Core-shell particles are designed with a solid, non-porous silica core surrounded by a porous outer layer. This unique structure allows for faster analyte mass transfer between the mobile and stationary phases, as diffusion occurs only through the thin, porous shell rather than the entire particle. This minimizes band broadening, leading to higher separation efficiency and sharper peaks.The consistency in size and shape of core-shell particles further enhances separation efficiency by reducing variability in analyte movement. As a result, core-shell HPLC columns provide high efficiency and resolution at lower backpressures, making them an ideal choice for labs looking to improve their existing HPLC systems without the need for costly UHPLC equipment.Core-shell technology thus offers a cost-effective alternative to upgrading to UHPLC systems, enabling labs to maximize the efficiency of their current HPLC setups. The formation of these particles through advanced sol-gel processing techniques ensures uniformity and reliability, making them a valuable tool in modern chromatography. By using the Kinetex HPLC column, laboratories can achieve faster analysis times and higher productivity while maintaining excellent separation performance.<h3>Kinetex Core-Shell Performance on Any LC System</h3>The 5 versatile particle sizes allow you to select the best fit for your instrument.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg" alt="Phenomenex: Five versatile particle sizes of Kinetex Core-Shell Technology Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg 245w," sizes="100vw" width="1341" height="333"><h3>Particle Chemistry</h3>Using sol-gel processing techniques that incorporate nano-structuring technology, a durable, homogeneous porous shell is grown on a solid silica core to create a Kinetex Core-Shell particle. This particle morphology results in less band broadening for all four sources of UHPLC band broadening compared to fully porous particles and thus delivers extremely high efficiencies.<ul><li>Optimized for Ultra-High Performance</li><li>Superior Core-Shell Quality</li><li>Core-Shell Scalability and Portability</li></ul>Kinetex particles are characterized by an exceptionally consistent size distribution, with particles being nearly monodispersed, meaning they are uniform in size. This precise uniformity plays a crucial role in minimizing variability within the column, leading to enhanced separation efficiency and sharper peaks.The nearly monodispersed nature of these particles ensures that the flow of the mobile phase remains consistent, reducing the likelihood of irregularities that can impact results. As a result, Kinetex columns deliver highly reliable and reproducible performance, making them ideal for achieving consistent analytical outcomes acrLC Kinetex Core-Shell Technolooss various applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg" alt="Phenomenex: Kinetex Polar C18 vs Fully Porous phase" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg 245w," sizes="100vw" width="1376" height="581"><h3>Core-shell vs Fully Porous</h3><h4>High-Efficiency‚ High-Density Particle</h4>The combination of a consistent, solid, high-density core along with proprietary column packing technologies in the Kinetex HPLC column ensures optimum bed structure and high column performance. This carefully designed core structure promotes uniform packing of the particles, which is essential for minimizing band-broadening effects that can arise from Eddy Diffusion.The manufacturing process of Kinetex columns is tightly controlled, focusing on factors such as particle size distribution, surface and bonding homogeneity, and packing quality. This meticulous engineering leads to uniform packing and minimized band-broadening, resulting in superior separation efficiency.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg" alt="Phenomenex: Core-shell vs Fully Porous.jpg" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg 245w," sizes="100vw" width="904" height="506"><h3>Expand Your Core-Shell Selectivity Toolbox</h3>Kinetex core-shell particle LC columns deliver exceptional performance enhancements across any LC system, offering unmatched efficiency and resolution. With a choice of 11 diverse stationary phases, these columns cater to a wide range of chromatographic applications, ensuring optimal separation for various analytes.Additionally, the availability of five versatile particle sizes allows for precise method tailoring, enabling both high-speed and high-resolution separations. Whether you're using HPLC or UHPLC systems, Kinetex columns provide the flexibility and performance needed to achieve superior analytical results.<h3>Top 5 Pros of Kinetex Core-Shell Technology</h3><ul><li>Productivity: Kinetex Core-Shell Technology significantly enhances method productivity with minimal effort. By simply replacing traditional, fully porous columns with Kinetex HPLC columns, users can achieve better resolution, sensitivity, and overall productivity without extensive method redevelopment. This easy switch allows for immediate improvements in chromatographic performance, making it a cost-effective upgrade to existing methods.</li><li>Portability The Kinetex Core-Shell columns are available in a range of particle sizes (1.3 µm to 5 µm), which ensures method portability across different HPLC and UHPLC systems. This scalability allows for consistent retention and selectivity across various particle sizes while accommodating different backpressure levels, making it easier to transfer methods between instruments.</li><li>Performance Kinetex Core-Shell Technology delivers superior chromatographic efficiency compared to fully porous particles. This efficiency boost enables chromatographers to maximize the performance of their HPLC/UHPLC systems, ensuring optimal results with higher resolution and sharper peaks, even under similar method conditions.</li><li>Phases With 11 unique phase selectivities available, Kinetex Core-Shell Technology offers unmatched versatility for method development. This wide selection of phase chemistries allows for tailored separations and simplified optimization, ensuring the best possible results for a wide range of applications.</li><li>Pressure Kinetex Core-Shell columns provide higher efficiency at lower system backpressures compared to fully porous columns. This allows users to achieve superior chromatographic performance on conventional LC instruments without the need for ultra-high-pressure systems, making it a practical choice for routine analyses.</li></ul>

Phenomenex Kinetex EVO C18 Core-Shell Preparative Columns

Kinetex EVO C18 uses patented organo-silica grafting with ethane cross-linking for stability and high pH resistance.

High pH Stable Core-ShellKinetex EVO C18 uses a patented organo-silica &nbsp;grafting process which incorporates uniform stabilizing ethane cross-linking to provide resistance to high pH attack while maintaining the mechanical strength of the core-shell particle. The Kinetex EVO C18 column provides both increased peak sensitivity and decreased overall analysis time.<ul><li>Compatible with All Analytical HPLC/UHPLC Systems</li><li>100 % Aqueous Mobile Phases Stable</li><li>pH Stable 1-12</li><li>USP: L1</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Kinetex_EVO_C18_Core_shell_HPLC_Column_f92e8a7a8e.webp" alt="Phenomenex: Kinetex EVO C18 Core-shell HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Kinetex_EVO_C18_Core_shell_HPLC_Column_f92e8a7a8e.webp 245w," sizes="100vw" width="500" height="150"><ul><li>Carbon Load: null %</li><li>Particle Size: 5</li><li>Recommended Use: High pH stability from 1-12 to deliver robust methods and improved peak shape for bases</li></ul><h4>Selectivity for Polar Basic Compounds</h4>A novel Core-Shell that is pH stable 1-12 that delivers robust methods and improved peak shape for bases while still providing hydrophobic selectivity.<h4>Kinetex EVO C18 column - Unique Polar Basic Selectivity</h4>With excellent performance across a large pH range, Kinetex EVO C18 columns allow you to transform chromatograms and manipulate retention order, no matter the combination of compound functionalities. Now is your chance to break the mold and let your creative LC side flourish.<blockquote>Stationary phase Kinetex EVO C18 is provided in these column types: analytical and preparative</blockquote>Axia Packed Preparative Columns<ul><li>Column length (mm): 50, 100, 150, 250</li><li>Column ID (mm): 21.2; 30</li><li>Particle size (µm): 5</li></ul><h3>Kinetex Core-Shell Technology Columns</h3>Kinetex Core-Shell Technology delivers dramatic improvements in efficiency over conventional fully porous media, which can be leveraged to increase resolution, significantly improve productivity, reduce solvent consumption, and decrease costs. Whether you are running high-performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) methods, the Kinetex core-shell family can deliver shockingly improved performance over the current column you are using. Phenomenex designs, manufactures, and sells its very own silica and organo-silica core-shell particles.Advantages of Kinetex HPLC Columns<ul><li>Performance gains on ANY liquid chromatography system</li><li>System-to-system and lab-to-lab method portability</li><li>Improve the productivity of older, established methods.</li></ul><h4>How Does Core-Shell Technology Work?</h4>Core-shell technology in chromatography is a revolutionary approach that enhances the efficiency of HPLC systems while minimizing costs. Core-shell particles are designed with a solid, non-porous silica core surrounded by a porous outer layer. This unique structure allows for faster analyte mass transfer between the mobile and stationary phases, as diffusion occurs only through the thin, porous shell rather than the entire particle. This minimizes band broadening, leading to higher separation efficiency and sharper peaks.The consistency in size and shape of core-shell particles further enhances separation efficiency by reducing variability in analyte movement. As a result, core-shell HPLC columns provide high efficiency and resolution at lower backpressures, making them an ideal choice for labs looking to improve their existing HPLC systems without the need for costly UHPLC equipment.Core-shell technology thus offers a cost-effective alternative to upgrading to UHPLC systems, enabling labs to maximize the efficiency of their current HPLC setups. The formation of these particles through advanced sol-gel processing techniques ensures uniformity and reliability, making them a valuable tool in modern chromatography. By using the Kinetex HPLC column, laboratories can achieve faster analysis times and higher productivity while maintaining excellent separation performance.<h3>Kinetex Core-Shell Performance on Any LC System</h3>The 5 versatile particle sizes allow you to select the best fit for your instrument.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg" alt="Phenomenex: Five versatile particle sizes of Kinetex Core-Shell Technology Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_5_particle_sizes_bbed75c36f.jpg 245w," sizes="100vw" width="1341" height="333"><h3>Particle Chemistry</h3>Using sol-gel processing techniques that incorporate nano-structuring technology, a durable, homogeneous porous shell is grown on a solid silica core to create a Kinetex Core-Shell particle. This particle morphology results in less band broadening for all four sources of UHPLC band broadening compared to fully porous particles and thus delivers extremely high efficiencies.<ul><li>Optimized for Ultra-High Performance</li><li>Superior Core-Shell Quality</li><li>Core-Shell Scalability and Portability</li></ul>Kinetex particles are characterized by an exceptionally consistent size distribution, with particles being nearly monodispersed, meaning they are uniform in size. This precise uniformity plays a crucial role in minimizing variability within the column, leading to enhanced separation efficiency and sharper peaks.The nearly monodispersed nature of these particles ensures that the flow of the mobile phase remains consistent, reducing the likelihood of irregularities that can impact results. As a result, Kinetex columns deliver highly reliable and reproducible performance, making them ideal for achieving consistent analytical outcomes acrLC Kinetex Core-Shell Technolooss various applications.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg" alt="Phenomenex: Kinetex Polar C18 vs Fully Porous phase" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_HPLC_and_UHPLC_Kinetex_Core_Shell_Technology_Columns_Kinetex_Polar_C18_vs_Fully_Porous_phase_a2729b64e5.jpg 245w," sizes="100vw" width="1376" height="581"><h3>Core-shell vs Fully Porous</h3><h4>High-Efficiency‚ High-Density Particle</h4>The combination of a consistent, solid, high-density core along with proprietary column packing technologies in the Kinetex HPLC column ensures optimum bed structure and high column performance. This carefully designed core structure promotes uniform packing of the particles, which is essential for minimizing band-broadening effects that can arise from Eddy Diffusion.The manufacturing process of Kinetex columns is tightly controlled, focusing on factors such as particle size distribution, surface and bonding homogeneity, and packing quality. This meticulous engineering leads to uniform packing and minimized band-broadening, resulting in superior separation efficiency.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg" alt="Phenomenex: Core-shell vs Fully Porous.jpg" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Phenomenex_Core_shell_vs_Fully_Porous_60601b6fa3.jpg 245w," sizes="100vw" width="904" height="506"><h3>Expand Your Core-Shell Selectivity Toolbox</h3>Kinetex core-shell particle LC columns deliver exceptional performance enhancements across any LC system, offering unmatched efficiency and resolution. With a choice of 11 diverse stationary phases, these columns cater to a wide range of chromatographic applications, ensuring optimal separation for various analytes.Additionally, the availability of five versatile particle sizes allows for precise method tailoring, enabling both high-speed and high-resolution separations. Whether you're using HPLC or UHPLC systems, Kinetex columns provide the flexibility and performance needed to achieve superior analytical results.<h3>Top 5 Pros of Kinetex Core-Shell Technology</h3><ul><li>Productivity: Kinetex Core-Shell Technology significantly enhances method productivity with minimal effort. By simply replacing traditional, fully porous columns with Kinetex HPLC columns, users can achieve better resolution, sensitivity, and overall productivity without extensive method redevelopment. This easy switch allows for immediate improvements in chromatographic performance, making it a cost-effective upgrade to existing methods.</li><li>Portability The Kinetex Core-Shell columns are available in a range of particle sizes (1.3 µm to 5 µm), which ensures method portability across different HPLC and UHPLC systems. This scalability allows for consistent retention and selectivity across various particle sizes while accommodating different backpressure levels, making it easier to transfer methods between instruments.</li><li>Performance Kinetex Core-Shell Technology delivers superior chromatographic efficiency compared to fully porous particles. This efficiency boost enables chromatographers to maximize the performance of their HPLC/UHPLC systems, ensuring optimal results with higher resolution and sharper peaks, even under similar method conditions.</li><li>Phases With 11 unique phase selectivities available, Kinetex Core-Shell Technology offers unmatched versatility for method development. This wide selection of phase chemistries allows for tailored separations and simplified optimization, ensuring the best possible results for a wide range of applications.</li><li>Pressure Kinetex Core-Shell columns provide higher efficiency at lower system backpressures compared to fully porous columns. This allows users to achieve superior chromatographic performance on conventional LC instruments without the need for ultra-high-pressure systems, making it a practical choice for routine analyses.</li></ul>

Watrex Deltasil 100 C18 Preparative HPLC columns

Need a high quality column at an affordable price? Deltasil™ columns are filled with standard reversed phase for a wide range of applications.

<a target="_blank" rel="noopener noreferrer" href="https://watrex.com/?s=watrex+deltasil+100+C18&amp;post_type=product&amp;dgwt_wcas=1?utm_source=labrulez&amp;utm_medium=propagace&amp;utm_campaign=labrulez_produkty">Watrex DeltaSil™ 100 C18</a> column is a standard reversed phase for wide field of applications in analysis of drugs, organic compounds, peptides and others.Stationary phase is based on synthetic 5 μm silica-gel with 100 Å pores and 15% carbon content. The column has a good peak symmetry and efficiency.Theoretical plate count value for non-polar compounds, such as naphthalene, reaches up to 90.000 theoretical plates per meter.A wide range of column sizes is available, with additional dimensions available on request.We are committed to the sustainability of our columns and therefore also offer backfill.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Watrex_Watrex_Deltasil_HPLC_column_Mobile_phase_85_ACN_Flowrate_0_65_mlmin_Pressure_54_bar_Detection_254_nm_Injection_2_ml_de7068538f.jpg" alt="Watrex: Watrex Deltasil HPLC column (Mobile phase 85% ACN; Flowrate 0.65 mlmin; Pressure 54 bar; Detection 254 nm; Injection 2 μl)"><h3>Ordering information:</h3><h5>PN/Component:</h5><ul><li>WI02241 Watrex Deltasil™ 100 C18, 10 μm, 250x20 mm column</li><li>WI02242 Watrex Deltasil™ 100 C18, 10 μm, 300x20 mm column</li><li>WI02243 Watrex Deltasil™ 100 C18, 5 μm, 250x20 mm column &nbsp;(Price 1 294 € ex VAT)</li><li>WI02244 Watrex Deltasil™ 100 C18, 5 μm, 300x20 mm column</li><li>WI02245 Watrex Deltasil™ 100 C18, 5 μm, 250x30 mm column</li><li>WI02246 Watrex Deltasil™ 100 C18, 10 μm, 250x30 mm column</li><li>WI02247 Watrex Deltasil™ 300 C18, 5 μm, 250x20 mm column</li><li>WI02248 Watrex Deltasil™ 300 C18, 10 μm, 250x20 mm column</li><li>WI02249 Watrex Deltasil™ 300 C18, 10 μm, 250x30 mm column</li><li>WI02153 Guard column insert 10x4.0 mm, Deltasil C18, 5 um, 10 pcs</li></ul>

Waters XBridge BEH C18 HPLC Columns

Waters XBridge BEH C18 HPLC column is for most HPLC separations and gives you the widest usable pH range, superior low pH stability, and ultra-low column bleed

As a workhorse for HPLC method development, XBridge BEH C18 sorbent can be used over an entire range of mobile phase pH (1-12). The trifunctionally bonded C18 ligand provides you with a universal column for most HPLC separations and gives you the widest usable pH range, superior low pH stability, and ultra-low column bleed. Packed in ultra-low dispersion hardware, 2.5 µm eXtended Performance [XP] columns enable exceptional separation performance, robustness and throughput for HPLC assays while enabling a seamless transition path toward UPLC adoption.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_X_Bridge_BEH_C18_HPLC_Column_e96c520ca3.jpg" alt="Waters: XBridge BEH C18 HPLC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_X_Bridge_BEH_C18_HPLC_Column_e96c520ca3.jpg 234w," sizes="100vw" width="660" height="440"><h4>Specifications</h4><ul><li>Chemistry: C18</li><li>Separation Mode: Reversed Phase</li><li>Particle Substrate: Hybrid</li><li>pH Range Min: 1 pH</li><li>pH Range Max: 12 pH</li><li>Maximum Pressure: 10000 psi (690 Bar)</li><li>Endcapped: Yes</li><li>Silanol Activity: Low</li><li>Particle Shape: Spherical</li><li>System: UHPLC, UPLC</li><li>Particle Technology: BEH</li><li>USP Classification: L1</li><li>Carbon Load: 18 %</li></ul><h4>The Waters XBridge BEH C18 HPLC Column is also available in these formats:</h4><h5>Waters XBridge BEH C18 Column with eConnect Column Tag</h5><ul><li>This column comes equipped with an electronic eConnect column tag containing unique column-specific information. These NFC-enabled device-tagged columns were developed to automatically identify, track and digitally trace column use history. eConnect columns can be used on any HPLC, but its advantages are unlocked when used with the Waters Alliance iS System running Empower software.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_X_Bridge_BEH_C18_Column_with_e_Connect_Column_Tag_c056302ec7.jpeg" alt="Waters: XBridge BEH C18 Column with eConnect Column Tag" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_X_Bridge_BEH_C18_Column_with_e_Connect_Column_Tag_c056302ec7.jpeg 234w," sizes="100vw" width="660" height="440"><h5>Waters XBridge BEH Shield RP18 Column</h5><ul><li>XBridge BEH Shield RP18 columns complement the XBridge BEH C18 and C8 phases and provide a necessary and powerful tool for HPLC method development. The embedded carbamate group in the bonded phase ligand provides alternate selectivity, especially for phenolic compounds compared to straight chain alkyl columns.&nbsp;</li><li>pH Range Min: 1 pH</li><li>pH Range Max: 12 pH</li><li>Bonding Technology: Shield RP18</li><li>Carbon Load: 17 %</li></ul><h5>Waters XBridge BEH Shield RP18 Column with eConnect Column Tag</h5><ul><li>This column comes equipped with an electronic eConnect column tag containing unique column-specific information. These NFC-enabled device-tagged columns were developed to automatically identify, track and digitally trace column use history. eConnect columns can be used on any HPLC, but its advantages are unlocked when used with the Waters Alliance iS System running Empower software.</li></ul><h5>Waters XBridge Peptide BEH C18 XP Column</h5><ul><li>The XBridge Peptide BEH C18 XP Columns are optimized and QC tested for peptide separations. The small-pore (130Å) trifunctionally bonded BEH particle offers the widest usable pH range, superior low pH stability, and ultra-low column bleed for proteomic, peptide mapping, and synthetic peptide applications. Each batch is specifically QC tested using a gradient separation of a tryptic digest of cytochrome c (p/n: 186006371) to before being QC accepted as a Peptide separation column.</li><li>Suggested Use: Peptide Separations, Peptide Analysis</li></ul><h3>XBridge Columns</h3><h4>Particle stability and performance for methods development</h4>Withstanding extreme operating conditions like high pH and high temperatures is essential for methods development. XBridge HPLC and UHPLC Columns utilize Ethylene Bridged Hybrid (BEH) Particle Technology and are built to withstand high pH, high temperatures, and other extreme operating conditions like volatile eluents, for a wide range of small molecule and biomolecule LC-MS analysis.XBridge HPLC and UHPLC Columns are available in a broad range of sorbent particles and sizes: XBridge eXtended Perfomance (XP) 2.5 µm Columns for rapid analytical UHPLC separations; 3.5 and 5 µm HPLC columns for reliable analytical method development; and 5 and 10 µm optimum bed density (OBD) preparative columns for purification chromatography.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_X_Bridge_Columns_b0b55de501/Waters-XBridge-Columns.jpg" alt="Waters: XBridge Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_X_Bridge_Columns_b0b55de501/thumbnail_Waters-XBridge-Columns.jpg 203w," sizes="100vw" width="900" height="691">

Products from category C18 HPLC columns - page 4

Related content

Affinity, Gel Filtration, Size Exclusion Chromatography: Repurposing Kinase Inhibitors for Malaria

Research from IOCB Prague reveals a previously unknown mechanism of genetic transcription

Food Adulteration and How It Is Revealed by Analytical Chemistry