Meeting EU Drinking Water Standards: The Critical Role of Sample Prep in Trace Contaminant Analysis

<p><strong>Although modern agriculture needs to be based on accurate real-time data on soil, plant, and environmental conditions, affordable, sufficiently sensitive, and robust monitoring devices for this purpose are currently missing. According to scientists, low-cost sensors based on new smart materials and printing technologies offer a suitable solution. The results of multidisciplinary research thus far and proposals for the development of these devices have been presented by researchers from Czechia, Great Britain, Spain, and the USA in a review article in the prestigious journal </strong><a target="_blank" rel="noopener noreferrer" href="https://www.nature.com/articles/s41467-026-68778-6#Abs1"><i><strong>Nature Communications</strong></i></a><strong>.</strong></p><p>“<i>Sensor technologies for monitoring plant health are still in their infancy. Only simple sensors capable of monitoring basic parameters such as pH, soil moisture, or temperature are commonly available on the market. However, if farmers are to face current challenges, including climate change, and ensure sufficient food for humanity, they need much more effective tools that will enable them to monitor, for example, various pathogens, including bacteria and fungi. In our opinion, a suitable solution is a combination of new smart materials and printing for the production of inexpensive, durable, and scalable materials</i>,” said the article’s first author, <strong>David Panáček</strong> from CATRIN, who worked on the study during his internship at Imperial College London.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/CATRIN_Soucasne_senzory_nestaci_Vedci_navrhuji_novou_cestu_ke_sledovani_zdravi_rostlin_b4014952a3.jpg" alt="CATRIN: David Panáček" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_CATRIN_Soucasne_senzory_nestaci_Vedci_navrhuji_novou_cestu_ke_sledovani_zdravi_rostlin_b4014952a3.jpg 208w," sizes="100vw" width="1536" height="1152"></p><p>Sensors for monitoring plant health, for example, lag behind similar devices used in human medicine. According to the authors, advances in materials science, which will enable the development of scalable sensor technologies, play a key role in this potential shift. “<i>Printing techniques, including inkjet printing, screen printing, aerosol printing, 3D printing, and direct laser writing, offer flexible ways to produce flexible sensors, large-area sensors, and sensors integrated directly into plants. The review article summarizes recent advances in printable low-dimensional materials for agricultural sensors, analyzes their physico-chemical properties in relation to sensor performance, and discusses key challenges and future opportunities requiring interdisciplinary integration</i>,” said one of the corresponding authors, <strong>Michal Otyepka</strong>.</p><p>The research brought together materials scientists, chemists, biologists, sensing experts, and printing technology specialists. Materials research and the use of graphene-based smart materials were led by scientists from CATRIN at Palacký University and VŠB-Technical University of Ostrava. Plant biologists from CATRIN contributed their knowledge of plant development, their responses to stress conditions, and the monitoring of their properties. Researchers from Imperial College London took care of the electronics, while representatives from<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/companies/36"><strong> CEITEC – VUT</strong></a> focused on printing technologies. The team also included leading experts in sensing from the Catalan Institute of Nanoscience and Nanotechnology in Barcelona, and Joseph Wang of the University of California San Diego, the “father of sensing and electrochemistry,” also contributed his extensive knowledge.</p><p>“<i>This is a groundbreaking study on this topic, which has managed to attract some truly big names in their respective fields. Last but not least, the study demonstrates that interdisciplinarity at CATRIN gives rise to completely new and promising research topics, such as plant sensing and its use for studying plant-environment interactions and smart agriculture,</i>” added another corresponding author, <strong>Nuria De Diego</strong>.</p>

Current sensors are not good enough. Scientists propose a new way to monitor plant health

<p><strong>In this episode of the Concentrating on Chromatography podcast, host David Oliva interviews Ainslie Chen about her cutting-edge research on hemoglobin variant testing using liquid chromatography-high resolution mass spectrometry (LC-HR-MS). Ainslie discusses her novel method for separating and identifying hemoglobin subunits with mass shifts less than 1 Da, overcoming critical limitations in conventional clinical assays.</strong></p><p>Hear firsthand how her team developed an LC-HR-MS workflow using a C4 reversed-phase column, tackled technical challenges (including why C18 columns fell short), and achieved unprecedented sensitivity for variant detection in both adult and neonatal samples. The conversation touches on the potential of mass spectrometry to revolutionize clinical diagnostics, the importance of reproducibility, barriers to adoption in routine labs, and how teamwork drives scientific innovation.</p><p>Perfect for analytical chemists, clinical laboratorians, and anyone interested in the future of protein variant analysis, this episode also features Ainslie’s advice for early-career scientists and insights from her first ACS poster presentation.</p><h4><strong>Key Highlights:</strong></h4><ul><li>Motivation behind improving hemoglobinopathy testing &nbsp;</li><li>Technical advantages of LC-HR-MS over gene sequencing and CE &nbsp;</li><li>The crucial role of the C4 column in resolving challenging samples &nbsp;</li><li>Critical parameters for reproducible LC-HR-MS workflows &nbsp;</li><li>Barriers and outlook for clinical adoption of advanced mass spectrometry &nbsp;</li><li>The value of teamwork and mentorship in scientific research &nbsp;</li><li>Direct insights from recent ACS conference experiences</li></ul><h3><strong>Video transcription</strong></h3><p>In this interview, <strong>Ainslie Chen</strong> discusses her research on improving the detection and identification of hemoglobin variants using <strong>liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS)</strong>. The work addresses limitations of conventional hemoglobinopathy testing, which often struggles to resolve very small mass differences between closely related hemoglobin subunits. Because even a single amino-acid substitution can significantly alter hemoglobin structure and function, high analytical resolution is essential for accurate diagnosis of conditions such as anemia and sickle cell disease.</p><p>Chen explains why her team selected LC-HRMS over established clinical techniques like <strong>capillary electrophoresis</strong> and <strong>gene sequencing</strong>. While sequencing offers excellent accuracy, it is time-consuming, costly, and requires extensive sample preparation, making it impractical for routine clinical workflows. Capillary electrophoresis enables subunit separation but lacks the resolving power needed to distinguish variants differing by less than one Dalton. In contrast, high-resolution mass spectrometry provides both structural specificity and sensitivity, enabling confident identification of subtle hemoglobin variants with minimal sample preparation.</p><p>A key methodological insight from the project was the use of a <strong>C4 reversed-phase LC column</strong> instead of the more common C18 column. Chen describes how the shorter carbon chain and larger pore size of C4 columns improved protein elution and reduced denaturation, leading to more reproducible separations. Critical parameters for reproducibility included consistent mobile-phase composition (0.1% formic acid in water and acetonitrile), controlled temperature (60 °C for LC, ~320 °C capillary temperature), and stable chromatographic conditions.</p><p>Beyond hemoglobin analysis, Chen highlights the broader potential of high-resolution mass spectrometry in <strong>proteoform analysis</strong> and clinical diagnostics, including emerging applications in cancer detection. She acknowledges current barriers to clinical adoption—such as energy demands and instrument infrastructure—but points to advances like <strong>miniaturized mass spectrometers</strong> as promising steps toward wider use. The interview concludes with advice for young scientists: don’t hesitate to reach out to mentors, embrace collaboration, and view analytical chemistry as a versatile tool that bridges medicine, biology, environmental science, and beyond.</p><blockquote><p><strong>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.</strong></p></blockquote><blockquote><h4><strong>Concentrating on Chromatography Podcast</strong></h4><p>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!</p><p>You can find <strong>Concentrating on Chromatography Podcast </strong>in podcast apps:</p><ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL"><strong>Spotify</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185"><strong>Apple podcast</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography"><strong>podscan</strong></a></li></ul><p>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos"><strong>YouTube channel</strong></a></p></blockquote>

Unlocking Hemoglobin Variant Detection: LC-HR-MS Breakthrough with Ainslie Chen

Article

Video

Environment

Scientific article

Interview

Science and research

The Czech Advanced Technology and Research Institute (CATRIN) at Palacký University is a cutting-edge scientific hub dedicated to advancing research in the fields of nanotechnology, biotechnology, and biomedicine. At its core, CATRIN boasts outstanding scientific teams, featuring international researchers. We emphasize interdisciplinarity, foster global collaborations, and work to translate our research findings into practical applications.

CATRIN

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

Waters ACQUITY APC Columns

Waters ACQUITY Advanced Polymer Chromatography (APC) Columns with novel capabilities for chromatographic efficiency, speed and resolution that cannot be matched by conventional GPC methods.

<h4><strong>ACQUITY APC AQ BEH Column</strong></h4><p>ACQUITY APC AQ columns are designed to provide highly efficient size-based separations for water soluble polymer characterization. The sorbent uses patented Ethylene Bridge Hybrid (BEH) technology to provide a mechanical strong packed bed that resists shinking and swelling for easy mobile phase solvent switching. The expected molecular weight range for this column is approximatley 1, 000 - 30, 000 g/mole.</p><h4><strong>Specifications</strong></h4><ul><li><strong>Separation Mode:</strong> SEC/GPC</li><li><strong>Particle Substrate: </strong>Hybrid</li><li><strong>pH Range Min:</strong> 1 pH</li><li><strong>pH Range Max: </strong>8 pH</li><li><strong>Endcapped: </strong>No</li><li><strong>Silanol Activity: </strong>Medium</li><li><strong>Molecular Weight Range Min:</strong> 1000</li><li><strong>Molecular Weight Range Max:</strong> 30000</li><li><strong>Particle Shape: </strong>Spherical</li><li><strong>Particle Size:</strong> 1,7 µm &nbsp;/ 2.5 µm&nbsp;</li><li><strong>Endfitting Type: </strong>Parker-style</li><li><strong>System:</strong> APC</li><li><strong>Particle Technology:</strong> BEH</li><li><strong>Technique: </strong>SEC</li></ul><h4><strong>ACQUITY APC XT BEH Column</strong></h4><p>ACQUITY APC XT columns are optimized to provide highly efficient size-based separations for organic solvent soluble polymer characterization. The sorbent uses patented Ethylene Bridge Hybrid (BEH) technology to provide a mechanical strong packed bed that resists shinking and swelling for easy mobile phase solvent switching.The expected molecular weight range for this column is approximatley 1,000 - 30,000 g/mole.</p><h4><strong>Specifications</strong></h4><ul><li><strong>Separation Mode:</strong> SEC/GPC</li><li><strong>Particle Substrate: </strong>Hybrid</li><li><strong>pH Range Min:</strong> 1 pH</li><li><strong>pH Range Max: </strong>12 pH</li><li><strong>Endcapped: </strong>No</li><li><strong>Silanol Activity: </strong>Low</li><li><strong>Molecular Weight Range Min:</strong> 1000</li><li><strong>Molecular Weight Range Max:</strong> 30000</li><li><strong>Particle Shape: </strong>Spherical</li><li><strong>Particle Size:</strong> 1,7 µm &nbsp;/ 2.5 µm&nbsp;</li><li><strong>Endfitting Type: </strong>Parker-style</li><li><strong>System:</strong> APC</li><li><strong>Particle Technology:</strong> BEH</li><li><strong>Technique: </strong>GPC</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_APC_AQ_BEH_Column_0c0d837b73.jpeg" alt="Waters: ACQUITY APC Column" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_APC_AQ_BEH_Column_0c0d837b73.jpeg 234w," sizes="100vw" width="660" height="440"></p><h3><strong>ACQUITY APC Columns</strong></h3><h4><strong>Achieve superior speed and resolution for polymer characterization</strong></h4><p>Achieving superior performance and reliability with high resolution polymer characterization can be a challenge. <strong>ACQUITY Advanced Polymer Chromatography (APC) Columns</strong> are designed for polymer scientists like you, with novel capabilities for chromatographic efficiency, speed and resolution that cannot be matched by conventional GPC methods. With these columns, you can quantify and characterize polymer samples with confidence and accuracy while maximizing productivity.</p><p>The <strong>Ethylene Bridged Hybrid (BEH) particles</strong> used in ACQUITY APC Columns enable rapid solvent switching and the ability to use multiple conditions for the same bank of columns. Conventional polymeric stationary phases are dedicated to a single set of analytical conditions and solvent because the chromatographic bed is vulnerable to shrinking and swelling. By eliminating this undesirable behavior, ACQUITY APC Columns allow for maximum robustness and method development flexibility.</p><h4><strong>Overview</strong></h4><ul><li>Eliminate the shrinking and swelling that often occurs with polymeric stationary phases upon solvent switching with a stable chromatographic column bed&nbsp;</li><li>Achieve unmatched separation speed, resolution, and chromatographic efficiency from optimized pore volumes and particle size</li><li>Meet workflow requirements with 1.7 and 2.5 μm columns for organic and aqueous size-based separation</li><li>Achieve industry-leading column-to-column reproducibility with exceptionally reliable columns from a tightly controlled column manufacturing process</li><li><strong>Recommended Use: </strong>For rapid and accurate chromatographic characterization of synthetic polymer and macromolecular species.&nbsp;</li></ul><h4><strong>ACQUITY APC Column Featured Technologies</strong></h4><h5><strong>BEH Technology</strong></h5><ul><li>Rugged hybrid organic/inorganic base particle</li><li>Improved peak shape for bases- low silanol activity</li><li>Wider operating pH range for method development flexibility</li><li>Mechanical strength for maximum column efficiency at UHPLC operating pressures</li></ul><h4><strong>ACQUITY APC Column Characteristics</strong></h4><h5><strong>ACQUITY APC XT Columns</strong></h5><ul><li>Designed to provide high efficiency sized-based separations for organic soluble polymer characterization</li><li>Uses BEH particle technology</li><li>Stable column bed that resists shrinking and swelling for easy mobile-phase solvent switching</li><li>Features an extended temperature range up to 90 °C</li><li>Designed for organic solvent-based separations</li></ul><h5><strong>ACQUITY APC AQ Columns</strong></h5><ul><li>Designed to provide high efficiency sized-based separations for water soluble polymer characterization</li><li>Uses BEH particle technology</li><li>Robust separations up to 45 °C</li><li>Designed for aqueous-soluble polymer separations</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_APC_Columns_2268ceb5f5.jpeg" alt="Waters: ACQUITY APC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_APC_Columns_2268ceb5f5.jpeg 234w," sizes="100vw" width="1024" height="682"></p><h4><strong>Unprecedented capacity for rapid solvent switching</strong></h4><p>Use multiple conditions for the same column bank with rapid solvent switching using the rigid hybrid particles in ACQUITY APC Chromatography Columns. Conventional polymeric phases are often dedicated to single analysis conditions because the chromatographic bed is vulnerable to shrinking and swelling that can be potentially harmful to the column. By eliminating this constraint, ACQUITY APC Chromatography Columns provide more freedom for method development and deliver advanced polymer characterization for a diverse range of samples.</p><h4><strong>Reduce calibration time by a factor of 3-5x and increase resolution</strong></h4><p>With long conventional Gel Permeation Chromatography (GPC) run times of up to one hour or more, analyses of standards and samples can be quite time-consuming. In addition to long GPC run times, the large extra-column volume of conventional GPC systems can result in peak bandspreading, reducing the resolution and thus accuracy of the calibration points. Combined with the lower dispersion ACQUITY APC System, small particle ACQUITY APC Columns deliver less bandspreading and narrower, sharper peaks compared to the conventional GPC system. Additionally, robust sub-3-µm APC Column Technology supports higher flow rate and backpressures, thereby improving resolution.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_A_comparison_of_run_times_and_resolution_for_polystyrene_standards_Mp_100_K_10_K_and_1_K_on_a_conventional_GPC_system_and_the_ACQUITY_APC_System_37cfb15ed5.jpeg" alt="Waters: A comparison of run times and resolution for polystyrene standards (Mp: 100K, 10K, and 1K) on a conventional GPC system and the ACQUITY APC System. " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_A_comparison_of_run_times_and_resolution_for_polystyrene_standards_Mp_100_K_10_K_and_1_K_on_a_conventional_GPC_system_and_the_ACQUITY_APC_System_37cfb15ed5.jpeg 234w," sizes="100vw" width="1024" height="682"></p><h4><strong>Ensure reproducible column performance</strong></h4><p>Reproducible column performance is one of the most critical factors for achieving long-term method reliability during polymer characterization. Each step of our column manufacturing process is monitored and tightly controlled to maintain unmatched product reproducibility. Every test, from raw material characterization to final batch analysis, is designed to ensure that ACQUITY APC Columns perform the same from column-to-column, batch-to-batch, and year-to-year.</p>

Waters SEC Columns

Get unmatched batch-to-batch reproducibility with the wide range of Waters Size-Exclusion Chromatography (SEC) Columns and standards for protein and peptide characterization.

<h4><strong>Size-based separations of peptides, proteins, nucleic acids, LNPs, and viral vectors</strong></h4><p>Get unmatched batch-to-batch reproducibility with the wide range of <strong>Waters Size-Exclusion Chromatography (SEC) Columns</strong> and standards for protein and peptide characterization.</p><p><strong>SEC</strong> is a powerful technique for aggregate and fragment analysis in the <strong>research, development</strong>, and <strong>manufacturing of biotherapeutic proteins</strong>, such as <strong>insulin</strong> and <strong>monoclonal antibodies</strong> (mAb). With SEC, also known as gel filtration, you can separate proteins based on their size (hydrodynamic radii versus absolute molecular weight) in solution, with larger sized species eluting before smaller proteins.</p><p>The <strong>pore size and volume</strong> of the SEC particles used in the packed column drives this <strong>isocratic based technique</strong>, so the column you choose matters. As the molecular weight of the proteins of interest increases, SEC columns with comparatively larger pore size particles are selected.</p><h4><strong>Overview</strong></h4><ul><li>Gain efficiency with this “platform based” method for <strong>proteins ranging from 10,000 to 650,000 Daltons</strong>, leveraging <strong>MaxPeak Premier Technology</strong> coupled with <strong>BEH-PEO Particle Technology&nbsp;</strong> &nbsp;&nbsp;</li><li><strong>Minimize non-desired secondary interactions </strong>for improved separation reproducibility and results with Ethylene Bridged Hybrid (BEH) SEC particles</li><li>Ensure reliable <strong>column-to-column and batch-to-batch performance</strong> with columns quality control tested with relevant peptide, protein, and mAb samples &nbsp;</li><li>Achieve reliable <strong>high throughput analysis on UPLC</strong> systems with our <strong>1.7 µm particle size</strong> offering and reproducible separations on any <strong>HPLC, UHPLC, or UPLC system</strong> to address different application needs with <strong>2.5 µm&nbsp;</strong></li><li><strong>Extend analytical column life</strong> and<strong> lower cost per analyses </strong>with SEC Guards&nbsp;</li><li>Confirm on-site SEC column and LC system performance with available BEH125, BEH200, BEH450, and mAb Size Variant Standards &nbsp;&nbsp;</li><li><strong>Manufactured in a cGMP, ISO 9001</strong> certified plant using stringent manufacturing protocols and ultra-pure reagents</li></ul><p><strong>Recommended Use: </strong>For size-based peptide, protein, and viral vector analyses.</p><h4><strong>System Dispersion Specifications for Column Recommendations</strong></h4><h5><strong>LC System Dispersions &lt;20 µL (UPLC)</strong></h5><ul><li>ACQUITY Premier Protein SEC 250 Å Guards and Columns</li><li>ACQUITY UPLC Protein BEH SEC 125 Å, 200 Å, and 450 Å Guards and Columns</li><li>1.7 µm guards and columns for low dispersion UPLC systems</li></ul><h5><strong>LC System Dispersions &gt;20 µL – ≤35 µL (UHPLC)</strong></h5><ul><li>XBridge Premier Protein SEC 250 Å Guards and Columns</li><li>XBridge Protein BEH SEC 125 Å, 200 Å, and 450 Å Guards and Columns</li><li>BioResolve mAb SEC Guards and Columns</li><li>2.5 µm guards and columns for UHPLC systems</li></ul><h5><strong>LC System Dispersions &gt;35 µL (HPLC)</strong></h5><ul><li>XBridge Protein BEH SEC 125 Å, 200 Å, and 450 Å Guards and Columns</li><li>XBridge Premier Protein SEC 250 Å Guards and Columns</li><li>BioResolve mAb SEC Guards and Columns</li><li>BioSuite SEC Guards and Columns</li><li>3.5 µm guards and columns for HPLC systems</li></ul><h4><strong>GTxResolve SEC Columns</strong></h4><h5><strong>GTxResolve Premier BEH SEC 450 Å Columns</strong></h5><ul><li>2.5 µm particle size columns for UHPLC and UPLC separations</li><li>Lower secondary interactions and lower noise suitable for platform methods</li><li>Low adsorption hardware necessary for analysis of biologics samples</li><li>450 Å pore size with up to 50% higher resolving power reducing need for sample consumption, resulting in faster analyses<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/nextgen/us/en/products/columns/GTxResolve-sec-columns.html"><strong>Explore GTxResolve SEC Columns</strong></a></li></ul></li></ul><h5><strong>GTxResolve Premier SEC 1000 Å Columns</strong></h5><ul><li>3 µm columns for UHPLC and UPLC separations</li><li>1000 Å columns with high efficiency for aggregate analysis of GTx drugs with diameter of 80-200 nm</li><li>Low secondary interaction &amp; improved compatibility with universally applied detector, such as MALS</li><li>Low adsorption hardware necessary for analysis of biologics samples<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/nextgen/us/en/products/columns/GTxResolve-sec-columns.html"><strong>Explore GTxResolve SEC Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_G_Tx_Resolve_SEC_Columns_1b8741a62b.jpg" alt="Waters: GTxResolve SEC Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_G_Tx_Resolve_SEC_Columns_1b8741a62b.jpg 234w," sizes="100vw" width="1024" height="682"></p><h4><strong>Protein SEC Columns</strong></h4><h5><strong>ACQUITY Premier Protein SEC 250 Å Guards and Columns</strong></h5><ul><li>Sub-2-μm particle columns for UPLC separations</li><li>250 Å pore size</li><li>High throughput &amp; resolution SEC separations of biomolecules ranging from 10,000 to 650,000 Daltons on low dispersion UPLC Systems</li><li>Available SEC Guard Columns to extend analytical SEC Column life</li><li>Significantly reduce non-desired ionic and hydrophobic secondary interaction for desired SEC platform methods with MaxPeak Premier Technology and BEH-PEO SEC particle technology<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/nextgen/us/en/products/columns/acquity-premier-columns.html"><strong>Explore ACQUITY Premier Protein BEH SEC Guards and Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_ACQUITY_Premier_Columns_featuring_Max_Peak_HPS_Technology_11a541350e.jpg" alt="Waters: ACQUITY Premier Columns featuring MaxPeak HPS Technology" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_ACQUITY_Premier_Columns_featuring_Max_Peak_HPS_Technology_11a541350e.jpg 234w," sizes="100vw" width="1024" height="682"></p><h5><strong>XBridge Premier Protein SEC 250 Å Guards and Columns</strong></h5><ul><li>2.5 μm particle columns for HPLC and UHPLC separations</li><li>250 Å pore size</li><li>High resolution SEC separations of biomolecules ranging from 10,000 to 650,000 Daltons on any LC system</li><li>Available SEC Guard Columns to extend analytical SEC Column life</li><li>Significantly reduce non-desired ionic and hydrophobic secondary interaction for desired SEC platform methods with MaxPeak Premier Technology and BEH-PEO SEC particle technology</li><li>Specifically designed and QC tested with NIST-based, mAb Size Variant Standard to help ensure batch-to-batch consistency<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/global/Waters-XBridge-Premier-Columns/nav.htm"><strong>Explore XBridge Premier Protein BEH SEC Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_X_Bridge_Premier_Columns_0230c90278.jpg" alt="Waters: XBridge Premier Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_X_Bridge_Premier_Columns_0230c90278.jpg 193w," sizes="100vw" width="950" height="768"></p><h5><strong>BioResolve mAb SEC Guards and Columns</strong></h5><ul><li>2.5 μm particle columns for UPLC, UHPLC, and HPLC separations</li><li>200 Å pore size</li><li>Obtain reproducible, accurate quantitation of monoclonal antibodies (mAbs), associated high molecular weight aggregates (&gt;300,000 Da), and lower molecular weight fragments (e.g., &lt;100,000 Da)</li><li>Each packed column is tested with NIST-based, mAb size variant standard to help ensure batch-to-batch and column-to-column performance consistency<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/global/BioResolve-SEC-mAb-Consumables-%7C-SEC-Guards/nav.htm"><strong>Explore BioResolve mAb SEC Guards and Columns</strong></a></li></ul></li></ul><h5><strong>ACQUITY UPLC Protein BEH SEC Guards and Columns</strong></h5><ul><li>Sub-2-μm particle columns for UPLC separations (2.5 μm for 450 Å)</li><li>Pore size options include: 125 Å, 200 Å, and 450 Å</li><li>Available SEC Guard Columns to extend analytical SEC Column life</li><li>Specifically designed and QC tested with BEH125, BEH200, or BEH450 protein standards to help ensure batch-to-batch consistency</li><li>10x faster than traditional HPLC-based SEC<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/nextgen/us/en/products/columns/acquity-uplc-columns.html"><strong>Explore ACQUITY UPLC Protein BEH SEC Guards and Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Acquity_UPLC_kolony_1dc5c25d3e/Waters-Acquity-UPLC-kolony.jpg" alt="Waters: Acquity UPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Acquity_UPLC_kolony_1dc5c25d3e/thumbnail_Waters-Acquity-UPLC-kolony.jpg 245w," sizes="100vw" width="807" height="407"></p><h5><strong>XBridge Protein BEH SEC Columns</strong></h5><ul><li>2.5 μm particle columns for use on any UPLC, UHPLC, or HPLC system</li><li>Pore size options include: 125 Å, 200 Å, and 450 Å</li><li>Available SEC Guard Columns to extend analytical SEC Column life</li><li>Specifically designed and QC tested with BEH125, BEH200, or BEH450 protein standards to help ensure batch-to-batch consistency<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/global/XBridge-BEH-Columns-for-High-pH-Chromatography/nav.htm"><strong>Explore XBridge Protein BEH SEC Columns</strong></a></li></ul></li></ul><p><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"></p><h4><strong>Peptide SEC Columns</strong></h4><h5><strong>BioSuite SEC Columns</strong></h5><ul><li>Silica-based diol SEC columns</li><li>Molecular weight exclusion limits are determined primarily by the selected pore size</li><li>Available in analytical and semi-preparative column sizes<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/global/BioSuite-Columns/nav.htm"><strong>Explore BioSuite SEC Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Bio_Suite_Columns_bf2bb8249f.jpg" alt="Waters: BioSuite Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Bio_Suite_Columns_bf2bb8249f.jpg 184w," sizes="100vw" width="307" height="260"></p><h5><strong>Protein-Pak SEC Columns</strong></h5><ul><li>Based on a 10 μm diol-bonded silica</li><li>Resolve proteins that differ in molecular weight by a factor of two</li><li>Distinguish proteins differing by as little as 15% in molecular weight<ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.waters.com/waters/global/Protein-Pak-HPLC-and-UPLC-Columns/nav.htm"><strong>Explore Protein-Pak SEC Columns</strong></a></li></ul></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Protein_Pak_Columns_be6a669326.jpg" alt="Waters: Protein-Pak Columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Protein_Pak_Columns_be6a669326.jpg 245w," sizes="100vw" width="500" height="315"></p><h4><strong>Choose the right SEC Column for your lab</strong></h4><p>SEC is ideal for aggregate and fragment analysis in the research, development, and manufacturing of biotherapeutic peptides, proteins, and viral vectors, but choosing the right column for your analysis is important. Use the following criteria to choose a column that provides reliable, high quality SEC analyses of various biomolecules, including insulin, monoclonal antibodies, and adeno associated viruses (AAVs).</p><h5><strong>What to consider when choosing an SEC Column:</strong></h5><ul><li>What is the molecular weight of your sample?</li><li>What is the dispersion of your LC system?</li><li>Are you separating components &lt;2 fold difference in molecular weight (MW)?</li><li>Are you separating components &gt;2 fold difference in MW?</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Choose_the_right_Size_exclusion_chromatography_SEC_column_for_your_analysis_with_Waters_SEC_columns_selection_guide_b81f674f65.jpg" alt="Waters: Choose the right Size-exclusion chromatography (SEC) column for your analysis with Waters SEC columns selection guide." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Choose_the_right_Size_exclusion_chromatography_SEC_column_for_your_analysis_with_Waters_SEC_columns_selection_guide_b81f674f65.jpg 158w," sizes="100vw" width="1024" height="1013"></p><h4><strong>Addressing the complexity of SEC Separations</strong></h4><p>Experience the advancements in SEC-based technologies to address non-desired specific ionic and hydrophobic interactions for more reliable results with ACQUITY Premier Protein SEC and XBridge Premier Protein SEC Columns and Guards.</p><h5><strong>With MaxPeak Premier SEC Columns, you can:</strong></h5><ul><li>Reproducibly resolve injected sample components that are less than 2x different in size for challenging applications</li><li>Use a ‘platform SEC method’ to reduce method development time and cost</li><li>Ensure batch-to-batch and column-to-column performance</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Waters_Classes_of_therapeutic_proteins_separated_on_an_ACQUITY_Premier_Protein_SEC_Column_d3f74a8ea4.jpg" alt="Waters: Classes of therapeutic proteins separated on an ACQUITY Premier Protein SEC Column." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Waters_Classes_of_therapeutic_proteins_separated_on_an_ACQUITY_Premier_Protein_SEC_Column_d3f74a8ea4.jpg 234w," sizes="100vw" width="1024" height="682"></p>

Products from category GPC/SEC HPLC columns focused on LC columns distributed by Waters Corporation (Europe) - page 1

Related content

Unlocking Hemoglobin Variant Detection: LC-HR-MS Breakthrough with Ainslie Chen

Current sensors are not good enough. Scientists propose a new way to monitor plant health

Meeting EU Drinking Water Standards: The Critical Role of Sample Prep in Trace Contaminant Analysis