At MSACL 2025, a Thermo Fisher Scientific–sponsored workshop led by Qin Fu addressed one of the most persistent challenges in proteomics: how to efficiently and reproducibly translate biomarker discoveries into clinically meaningful assays. Drawing on experience spanning academia and industry—including prior work in Jennifer Van Eyk’s lab—Fu shared practical insights into building a scalable, end-to-end biomarker discovery-to-validation pipeline.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Accelerating_Biomarker_Discovery_and_Validation_From_Discovery_to_Clinical_Utility_9558364cf2.jpg" alt="Thermo Fisher Scientific: Accelerating Biomarker Discovery and Validation: From Discovery to Clinical Utility" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Accelerating_Biomarker_Discovery_and_Validation_From_Discovery_to_Clinical_Utility_9558364cf2.jpg 245w," sizes="100vw" width="1024" height="512">The session highlighted how emerging mass spectrometry technologies, automation, and informatics are reshaping biomarker research—reducing complexity, improving reproducibility, and accelerating the path to clinical utility.<h3>The three tiers of biomarker assays</h3>The workshop opened with a review of the widely accepted three-tier framework that guides biomarker development from early discovery through clinical validation:<h4>Tier 3 – discovery</h4>Exploratory, untargeted workflows such as data-dependent acquisition (DDA) and data-independent acquisition (DIA). These approaches prioritize breadth, enabling the identification of large-magnitude biological changes across hundreds to thousands of analytes, typically with low-to-moderate precision and without internal standards.<h4>Tier 2 – verification</h4>Research-grade targeted assays, including parallel reaction monitoring (PRM) and multiple reaction monitoring (MRM). These methods focus on tens to hundreds of analytes, delivering improved precision and repeatability to confirm trends observed during discovery.<h4>Tier 1 – validation</h4>Clinically validated assays designed to meet rigorous quality and regulatory standards. These workflows incorporate internal standards and strict quality controls to ensure quantitative reproducibility suitable for clinical and translational use.Each tier represents a critical step toward ensuring that biomarker candidates can ultimately deliver reliable patient benefit.<h3>The central challenge: from sample to signal</h3>Reliable biomarker development depends on consistency across the entire analytical workflow—from biological sample preparation to mass spectrometry data acquisition and downstream analysis. Every step introduces potential sources of variability, and minimizing this analytical noise while preserving biological signal is essential.Automation emerged as a central theme of the workshop. Beyond improving throughput, automation fundamentally enhances reproducibility. Robotic sample preparation reduces variability associated with digestion, pipetting, and handling—enabling consistent performance across hundreds or thousands of samples, a scale that is difficult to achieve manually.<h3>Technological innovation powering a paradigm shift</h3>Recent advances in mass spectrometry are enabling researchers to bridge the gap between discovery and validation more efficiently than ever before. The workshop highlighted several Thermo Fisher Scientific platforms driving this shift:<ul><li>Thermo Scientific Orbitrap Astral mass spectrometer Optimized for discovery workflows, the Astral system delivers rapid acquisition and deep proteome coverage while maintaining high precision across large cohorts.</li><li>Thermo Scientific Stellar platform Designed for high-throughput targeted quantification, the Stellar platform supports scalable PRM workflows. Features such as PRM Conductor enable adaptive retention time tracking, which is essential for robust performance in large studies.</li><li>Thermo Scientific OptaSpray Ion Source (under evaluation) A hands-free ionization source designed to deliver consistent spray performance with simplified maintenance, supporting reproducibility across thousands of injections.</li></ul>Together, these technologies create a smoother continuum across assay tiers, shortening timelines and reducing barriers to clinical translation.<h3>Case study: Inflammatory bowel disease (IBD) cohort</h3>A key highlight of the presentation was a large-scale biomarker study in inflammatory bowel disease (IBD). The team conducted a 500-sample discovery analysis, followed by validation in a 1,000-sample cohort. Discovery was performed using the Orbitrap Astral system, while targeted validation employed the Stellar platform.This integrated approach successfully confirmed established biomarkers such as C-reactive protein (CRP) while also identifying novel protein candidates with strong translational potential. Importantly, these markers demonstrated consistency across discovery and validation data sets—underscoring the power of advanced instrumentation combined with robust workflows and informatics.<h3>From high quantity to high quality</h3>Historically, biomarker discovery has involved a tradeoff between throughput and data quality. The workshop demonstrated that this compromise is no longer necessary. By integrating automated sample preparation, optimized informatics, and next-generation mass spectrometry, researchers can now generate high-quality, high-throughput data that is both scalable and reproducible.This shift enables faster discovery while increasing confidence that candidate biomarkers are ready for downstream validation and clinical follow-up.<h3>The future of biomarker translation</h3>The workshop concluded on an optimistic note. Innovations in proteomics are fundamentally transforming biomarker development—shortening timelines, reducing costs, and accelerating the transition from discovery to clinical application.By integrating platforms such as Orbitrap Astral, Stellar, and OptaSpray, Thermo Fisher Scientific is helping advance a new era of translational biomarker science—where precision, scalability, and reliability work together to deliver meaningful clinical impact.Watch the full workshop recording to <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/watch?v=ziyffQzZTwk">explore the data, workflows, and results behind this end-to-end approach to biomarker discovery and validation.</a><h3>Intended use disclaimer</h3>General Laboratory Equipment – Not For Diagnostic Procedures. Thermo Scientific general laboratory equipment, consumables, and software are intended for research, academic, and industrial use only. These products are not designed, validated, or approved for in vitro diagnostic or clinical use. Use of these products for diagnostic purposes may result in inaccurate results and potential health and safety risks.<h3>Resources</h3>Workshop &amp; educational content<ul><li>MSACL 2025 workshop recording: <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/watch?v=ziyffQzZTwk">Accelerating Biomarker Discovery and Validation</a></li><li>Other MSACL workshop recordings coming soon</li></ul>Thermo Fisher Scientific Product Pages<ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/2207">Thermo Scientific TSQ Certis Mass Spectrometer</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/836">Thermo Scientific Orbitrap Astral Mass Spectrometer</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1149">Thermo Scientific Stellar Mass Spectrometer</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/order/catalog/product/B51004132">Thermo Scientific OptaSpray Ion Source</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/content/lifetech/global/en/home/industrial/mass-spectrometry/mass-spectrometer-price-affordability-programs.html">Mass spectrometer affordability programs</a> (Refurbished MS, trade-in, financing/ leasing)</li></ul>Peer-Reviewed Literature<ul><li>Baker ES et al. <a target="_blank" rel="noopener noreferrer" href="https://europepmc.org/article/MED/22943415">Mass spectrometry for translational proteomics: progress and clinical implications.</a> Genome Medicine (2012).</li><li>Fu Q et al. <a target="_blank" rel="noopener noreferrer" href="https://academic.oup.com/clinchem/article/62/1/198/5611803">An Empirical Approach to Signature Peptide Choice for Selected Reaction Monitoring.</a> Clinical Chemistry (2016).</li><li>Fu Q et al. <a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1002/mas.21750">Automated proteomic sample preparation: The key component for high throughput and quantitative mass spectrometry analysis.</a> Mass Spectrometry Reviews (2023).</li><li>Fu Q et al. <a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1021/acs.jproteome.7b00623">Highly Reproducible Automated Proteomics Sample Preparation Workflow for Quantitative Mass Spectrometry.</a> Journal of Proteome Research (2018).</li><li>Fu Q et al. <a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1002/anie.202409446">A Proteomics Pipeline for Generating Clinical Grade Biomarker Candidates from DIA-MS Discovery.</a> Angewandte Chemie International Edition (2024).</li><li>Fu Q et al. <a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1002/anie.202507610">Development and Clinical Evaluation of a Multiplexed Health Surveillance Panel Using Ultra High-Throughput PRM-MS in an Inflammatory Bowel Disease Cohort.</a> Angewandte Chemie International Edition (2025).</li></ul><blockquote>Visit us on&nbsp;<a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/showcase/72003132/admin/dashboard/">LinkedIn:</a>&nbsp;#Omics #BiomarkerDiscovery #MassSpectrometry #ClinicalResearch</blockquote>

Accelerating Biomarker Discovery and Validation: From Discovery to Clinical Utility

Choosing the correct membrane for a syringe filter is an important step in achieving dependable and reproducible analytical results. Whether you work with nylon, PTFE, hydrophilic PTFE, or cellulose acetate filters, the membrane material directly influences filtration efficiency, sample integrity, and overall method performance. In this article, we explore why membrane selection matters, review the characteristics of common membrane materials, and provide practical guidance for choosing the best option for your application.<h4>Why Are Syringe Filters Important?</h4>Syringe filters are routinely used to remove particulate matter from samples prior to analysis. Unfiltered samples can introduce contaminants into chromatographic systems, leading to clogged columns, increased system backpressure, reduced instrument lifetime, and compromised analytical performance.Selecting an appropriate membrane is therefore essential for developing a robust and reliable HPLC workflow. An ideal membrane effectively removes particles while preserving the original composition of the sample. Since the membrane comes into direct contact with both the analyte and the sample solvent, compatibility must always be carefully considered.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_syringe_filters_f3eaa1381e.webp" alt="KNAUER: Syringe filters" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_syringe_filters_f3eaa1381e.webp 156w," sizes="100vw" width="720" height="720">Let’s examine the key factors involved in choosing the most suitable membrane.<h4>Step 1: Consider the Nature of Your Sample</h4>The first and most important factor is the chemical composition of the sample and the solvents involved. Different membrane materials offer different chemical resistance and sample interaction characteristics.<h5>Nylon Membranes</h5>Nylon is one of the most commonly used membrane materials in HPLC laboratories because of its broad compatibility with aqueous solutions and many organic solvents.Recommended applications:<ul><li>Routine filtration of HPLC samples containing aqueous solvents, organic solvents, or mixed mobile phases.</li><li>Removal of suspended particles prior to chromatographic injection.</li><li>General-purpose laboratory filtration where versatility is required.</li></ul>Avoid using Nylon when:<ul><li>Working with strongly acidic solutions or samples with pH values below 3.</li><li>Filtering protein-containing samples, since proteins can adsorb to the membrane surface and reduce recovery.</li></ul><h5>Cellulose Acetate (CA) Membranes</h5>Cellulose acetate membranes exhibit very low protein binding and are widely used for biological and biochemical applications.Recommended applications:<ul><li>Filtration of biological fluids such as serum, plasma, and cell culture media.</li><li>Applications where protein recovery must be maximized.</li><li>Aqueous laboratory procedures involving enzymes or other sensitive biomolecules.</li></ul>Avoid using CA when:<ul><li>Filtering samples containing organic solvents that may damage the membrane.</li><li>Working under highly acidic or highly alkaline conditions that could degrade the material.</li></ul><h5>Hydrophilic PTFE (hPTFE) Membranes</h5>Hydrophilic PTFE combines the exceptional chemical resistance of PTFE with the ability to process aqueous samples without pre-wetting.Recommended applications:<ul><li>Filtration of both aqueous and organic solutions.</li><li>HPLC sample preparation involving mixed solvent systems.</li><li>Applications requiring compatibility across a broad pH range.</li></ul>Avoid using hPTFE when:<ul><li>Processing highly viscous samples that may rapidly clog the membrane.</li><li>Performing PFAS analysis, where fluorinated materials may introduce unwanted contamination.</li></ul><h5>PTFE Membranes</h5>PTFE membranes provide excellent resistance to aggressive chemicals and are especially suitable for demanding solvent environments.Recommended applications:<ul><li>Samples containing strong acids, strong bases, or aggressive organic solvents.</li><li>Environmental, industrial, and chemical analyses involving non-polar solvents such as hexane, toluene, or acetone.</li><li>Filtration of predominantly organic solvent-based samples.</li></ul>Avoid using PTFE when:<ul><li>Filtering aqueous solutions without first wetting the membrane or using a hydrophilic PTFE alternative.</li><li>Working with protein-rich or highly hydrophilic samples where adsorption or poor wetting may occur.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Fig_1_4_Nylon_top_left_CA_top_right_h_PTFE_bottom_left_and_PTFE_bottom_right_86a6481d0b.jpg" alt="KNAUER: Fig. 1–4 Nylon (top left), CA (top, right), hPTFE (bottom, left), and PTFE (bottom, right)" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Fig_1_4_Nylon_top_left_CA_top_right_h_PTFE_bottom_left_and_PTFE_bottom_right_86a6481d0b.jpg 157w," sizes="100vw" width="1111" height="1107"><h4>Step 2: Select an Appropriate Pore Size</h4>The membrane pore size determines the level of particulate removal and should be selected according to the requirements of the analytical method.Common pore sizes include:<ul><li>0.2 µm – Suitable for removing very fine particles and for sterile filtration. Frequently used in UHPLC and LC-MS workflows.</li><li>0.45 µm – The standard choice for most routine HPLC applications.</li><li>1.0 µm and larger – Often used for coarse filtration or as a pre-filtration step for heavily contaminated samples.</li></ul>Choosing the correct pore size helps protect instrumentation while minimizing unnecessary sample loss.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Fig_1_2_0_22_m_left_and_0_45_m_right_Nylon_Syringe_Filter_48ffc3d777.jpg" alt="KNAUER: Fig. 1–2 0.22 µm (left), and 0.45 µm (right) Nylon Syringe Filter" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Fig_1_2_0_22_m_left_and_0_45_m_right_Nylon_Syringe_Filter_48ffc3d777.jpg 245w," sizes="100vw" width="1177" height="573"><h4>Step 3: Verify Chemical Compatibility</h4>Before selecting a membrane, confirm that it is compatible with both the sample matrix and the solvents present. Incompatible materials may swell, degrade, release extractables, or alter the composition of the sample.Consulting a solvent compatibility chart is highly recommended whenever unfamiliar solvents or mixtures are involved.<h4>Step 4: Match the Membrane to the Application</h4>Different analytical applications often benefit from specific membrane types.<h5>HPLC Analysis</h5><ul><li>Nylon and PTFE membranes are among the most frequently used options due to their broad chemical compatibility and excellent filtration performance.</li></ul><h5>Protein and Biomolecule Analysis</h5><ul><li>CA, PVDF, and PES membranes are generally preferred because they exhibit low protein binding and help preserve sample recovery.</li></ul><h5>Microbiological Testing</h5><ul><li>Mixed cellulose ester (MCE) membranes are commonly employed for microbial monitoring and microbiological quality control procedures.</li></ul>Selecting a membrane tailored to the analytical objective can significantly improve data quality and method reliability.<h4>Step 5: Evaluate Product Quality and Certification</h4>Not all syringe filters are manufactured to the same standards. For critical applications, select products that comply with recognized quality systems and certifications such as ISO standards or CE requirements.This becomes particularly important in regulated industries, where traceability, consistency, and documented performance are essential.<h4>Practical Recommendations for Using Syringe Filters</h4>Following good filtration practices can further improve analytical performance.<ul><li>Pre-Wet Hydrophobic Membranes: Hydrophobic materials such as PTFE often require pre-wetting with a compatible organic solvent before filtering aqueous samples.</li><li>Avoid Excessive Pressure: Applying excessive force may rupture the membrane or cause leakage. Luer-lock syringes are recommended to provide secure connections and controlled pressure.</li><li>Use Filters Only Once: Syringe filters are intended for single-use operation. Reusing filters increases the risk of carryover and cross-contamination.</li><li>Dispose of Filters Properly: Used syringe filters should be discarded according to laboratory safety procedures and local waste disposal regulations.</li></ul><h4>Final Thoughts</h4>Selecting the right syringe filter membrane is a key factor in obtaining accurate, reproducible, and reliable analytical results. By considering sample composition, solvent compatibility, pore size, and application requirements, laboratories can choose filtration solutions that protect instruments, preserve sample integrity, and improve overall analytical performance.A carefully selected membrane may seem like a small detail, but it can have a substantial impact on the quality and robustness of your entire analytical workflow.<blockquote>If you want to optimize your HPLC workflow, check out our brand-new <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/2380">SEPAPURE Syringe Filter</a>.</blockquote>

How to Choose the Right Membrane for Your Syringe Filter

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Based in Berlin, KNAUER is a medium-sized, owner-managed company that has been serving the sciences since 1962. We develop and manufacture scientific instruments of superior quality for liquid chromatography, including: Analytical HPLC/UHPLC, Preparative HPLC, Fast protein liquid chromatography (FPLC), Multi-column chromatography/Simulated moving bed (SMB) chromatography. High pressure dosing, in-line detection systems, and osmometry are additional business areas.

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Thermo Scientific Acclaim C30 HPLC Columns

For separations of hydrophobic, structurally related isomers, Thermo Scientific™ Acclaim™ C30 LC reversed-phase columns provide superior results. 

For separations of hydrophobic, structurally related isomers, Thermo Scientific™ Acclaim™ C30 LC reversed-phase columns provide superior results. The covalent modification of C30 alkyl silane on ultrapure, spherical, porous silica gel gives these columns high shape selectivity. They are fully compatible with various aqueous buffers, useful for a broad application range of analytes, and offer more flexibility in method development.<h5>High Shape Selectivity for the Separation of Structurally Related Isomers</h5><ul><li>Unique selectivity complementary to other reversed-phase columns</li><li>High efficiency and rugged packing</li><li>Extremely low bleed, fully compatible with MS</li><li>Stable between pH 2 and 8</li><li>Available in 3 and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 200Å</li></ul><h4>Specifications</h4><ul><li>Max. Pressure: 8000 psi (550 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary Phase: C30</li><li>Surface Area: 200 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L62</li><li>Carbon load: 13%</li><li>Phase: Reversed phase</li><li>Pore Size: 200 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim HILIC-10 HPLC Columns

Separate highly hydrophilic molecules by hydrophilic interaction liquid chromatography using Thermo Scientific™ Acclaim™ HILIC-10 LC Columns. 

Separate highly hydrophilic molecules by hydrophilic interaction liquid chromatography using Thermo Scientific™ Acclaim™ HILIC-10 LC Columns. These columns retain and separate highly polar molecules that are unretained by reversed-phase chromatography. Their high-purity, spherical, porous silica base is covalently modified with a proprietary hydrophilic layer. This chemistry enables the use of 5–20% aqueous mobile phase while maintaining affinity for polar analytes. Sample throughput is increased without the need to evaporate and reconstitute samples dissolved in nonaqueous solvents.<h5>Rugged and Reproducible Separations of Highly Polar Compounds:</h5><ul><li>Unique selectivity, complementary to reversed-phase columns</li><li>Enhanced sensitivity for MS detection</li><li>Hydrolytically stable</li><li>Rugged column packing</li><li>Broad application range, including separation of hydrophilic drugs and drug metabolites</li></ul>Acclaim HILIC-10 LC columns are available in 3μm particle size and a variety of column formats: 4.6×150mm, for high-throughput routine analysis; 3.0×150mm, for high-throughput analysis with reduced solvent consumption; and 2.1×150mm, for LC-MS analysis.<h4>Specifications</h4><ul><li>Column type: HILIC</li><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Silica</li><li>Surface Area: 300 m²/g</li><li>Temperature: 70°C</li><li>USP Type: N/A</li><li>Carbon load: 8%</li><li>Phase: HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Polar Advantage HPLC Columns

Resolve a wide variety of polar and nonpolar analytes with Thermo Scientific™ Acclaim™ PolarAdvantage (PA) columns.

Resolve a wide variety of polar and nonpolar analytes with Thermo Scientific™ Acclaim™ PolarAdvantage (PA) columns. These sulfonamide-embedded, reversed-phase columns provide unique selectivity and excellent peak shape for acidic, basic, and neutral analytes.&nbsp;In addition, the mildly hydrophilic surface, which remains in contact with aqueous-only mobile phases, negates the problems of dewetting common with conventional C18 reversed-phase columns. Use Acclaim PA columns for efficient separations of nucleic acid and bases or pharmaceutical compounds using highly aqueous mobile phases.<h5>Unique Selectivity for the Separation of Polar and nonpolar Analytes</h5><ul><li>Low silanol activity for excellent peak shape with basic compounds</li><li>High selectivity for hydrophobic aromatic molecules</li><li>Compatible with 100% aqueous mobile phase</li><li>Extremely low bleed, fully compatible with MS</li><li>Stable between pH 2 and 8</li><li>Available in 2.2, 3, and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 120Å</li><li>Also available in 2.2μm RSLC format for reliable, fast separations</li><li><h4>Specifications</h4></li><li>Endcapped: Yes</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Polar Embedded</li><li>Surface Area: 300 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L60</li><li>Carbon load: 17%</li><li>Phase: Reversed phase</li><li>Pore Size: 120 Å</li><li>pH: 2 to 8</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Polar Advantage II HPLC Columns

Resolve polar and nonpolar compounds in a single run with Thermo Scientific Acclaim PolarAdvantage II (PA2) reversed-phase columns.

Resolve polar and nonpolar compounds in a single run with Thermo Scientific™ Acclaim™ PolarAdvantage II (PA2) reversed-phase columns. These high-efficiency, silica-based columns have a polar-embedded stationary phase that operates over a wider range of chromatographic conditions than possible with conventional reversed-phase stationary phases. Its unique chemistry provides enhanced hydrolytic stability from pH 1.5 to 10 with 100% aqueous mobile phases. The column exhibits selectivity that is complementary to conventional C18 columns and excellent peak shapes for both basic and acidic compounds.<h5>Complementary Selectivity and Enhanced Hydrolytic Stability</h5><ul><li>Compatible with 100% aqueous mobile phases</li><li>High reversed-phase capacity</li><li>Exceptional hydrolytic stability from pH 1.5 to 10</li><li>Extremely low bleed, fully compatible with mass spectrometry (MS)</li><li>Available in 2.2, 3, and 5μm particle sizes and 4.6, 3.0, and 2.1mm diameters, with an average pore diameter of 120Å</li><li>Also available in 2.2μm RSLC format for reliable, fast separations</li><li><h4>Specifications</h4></li><li>Endcapped: Yes</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Polar Embedded</li><li>Surface Area: 300 m²/g</li><li>Temperature: 60°C</li><li>USP Type: L60</li><li>Carbon load: 17%</li><li>Phase: Reversed phase</li><li>Pore Size: 120 Å</li><li>pH: 1.5 to 10</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Trinity P1 HPLC Columns

Simultaneously separate pharmaceutical drug substances and their counterions with high-efficiency Thermo Scientific Acclaim Trinity P1 LC Columns.

Simultaneously separate pharmaceutical drug substances and their counterions with high-efficiency Thermo Scientific™ Acclaim™ Trinity P1 LC Columns. A unique trimodal surface chemistry provides concurrent reversed-phase, cation-exchange and anion-exchange functionalities for maximum flexibility in method development. Easily optimize selectivity by adjusting mobile phase buffer concentration, pH and solvent content—either jointly or independently—to accelerate chromatographic separations and increase productivity.The Acclaim Trinity P1 stationary phase, based on Nanopolymer Silica Hybrid (NSH) technology, consists of high-purity porous, spherical 3μm silica particles, coated with charged nanopolymer beads. The unique surface chemistry includes an inner-pore area modified with an organic layer that provides both reversed-phase and anion-exchange properties. The outer-pore surface, conversely, is modified with cation-exchange functionality for unparalleled chromatographic performance.<h5>Superior Performance for Pharmaceutical Applications</h5><ul><li>Ideal selectivity for simultaneous separation of Active Pharmaceutical Ingredients (API) and counterions (basic, neutral and acidic analytes)</li><li>Effective retention of hydrophilic ionic and ionizable analytes without ion-pairing reagents</li><li>Distinctive spatial separation of the anion-exchange and cation-exchange regions</li><li>Flexible method development with each retention mechanism controlled independently</li><li>Low column bleed; compatible with mass spectrometry (MS), charged aerosol detection (CAD) and evaporative light scattering detectors (ELSD)</li><li>Available in 2.1 and 3.0mm diameters and 50, 100 and 150mm lengths</li></ul>Complement the Acclaim Trinity P1 column with the Acclaim Trinity P2 column to provide a total solution for pharmaceutical counterion analysis by HPLC. Use the Acclaim Trinity P2 column to separate counterions, including monovalent and divalent cations or anions.<h4>Specifications</h4><ul><li>For use with: ELSD, UV Detector</li><li>Max. Pressure: 4500 psi (310 bar)</li><li>Packing Material: Spherical, Nanopolymer Hybrid Silica</li><li>Stationary phase: Reversed Phase/Anion Exchange/Cation Exchange</li><li>Surface Area: 100 m²/g</li><li>Temperature: 45°C</li><li>Phase: Reversed Phase and Ion Exchange</li><li>Pore Size: 300 Å</li><li>pH: 2.5 to 7</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Trinity P2 HPLC Columns

Separate pharmaceutical counterions, including monovalent and divalent cations or anions, with Thermo Scientific Acclaim Trinity P2 LC Columns.

Separate pharmaceutical counterions, including monovalent and divalent cations or anions, with Thermo Scientific™ Acclaim™ Trinity P2 LC Columns. The innovative, mixed-mode column technology provides hydrophilic interaction, HILIC, anion-exchange, and cation-exchange functionalities for flexible method development. Use the Acclaim Trinity P2 LC column to complement the Acclaim Trinity P1 LC column, which simultaneously separates pharmaceutical drug substances and their counterions, to provide a total solution for pharmaceutical counterion analysis by HPLC.The Acclaim Trinity P2 stationary phase, based on Nanopolymer Silica Hybrid (NSH) technology, consists of high-purity porous, spherical silica particles, coated with charged nanopolymer particles. The unique surface chemistry includes an inner-pore area of the silica bead modified with a covalently bonded organic layer that provides cation-exchange retention. The outer-pore surface is modified with anion-exchange nano-polymer beads. This chemistry ensures spatial separation of the anion-exchange and cation-exchange regions.<h5>High Selectivity for Counterion Analysis</h5><ul><li>Low column bleed; compatible with mass spectrometry (MS) and charged aerosol detection (CAD)</li><li>Hydrolytically stable</li><li>High efficiency</li><li>Available in 3.0μm particle size and 2.1 and 3.0mm diameters, in 50 and 100mm lengths</li></ul><h4>Specifications</h4><ul><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Spherical, Fully Porous Silica</li><li>Stationary phase: Spherical, Nanopolymer Hybrid Silica</li><li>Surface Area: 100 m²/g</li><li>Temperature: 45°C</li><li>Phase: HILIC and Ion Exchange</li><li>Pore Size: 300 Å</li><li>pH: 2.5 to 7</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode WAX-1 HPLC Columns

When you need powerful selectivity control for the separation of anionic molecules, use Thermo Scientific Acclaim Mixed-Mode WAX-1 LC columns. 

When you need powerful selectivity control for the separation of anionic molecules, use Thermo Scientific™ Acclaim™ Mixed-Mode WAX-1 LC columns. The silica-based stationary phase features a hydrophobic alkyl chain with an ionizable terminus that provides both hydrophobic reversed-phase and weak anion-exchange properties. This unique chemistry produces a multimode separation mechanism for simultaneous separation of acidic, basic, and neutral molecules. The selectivity is fully adjustable through changes to ionic strength, pH, or organic solvent content.<h5>Ideal Selectivity for Separating Anionic Molecules</h5><ul><li>Multi-mode retention mechanism: reversed-phase, weak anion-exchange, and HILIC modes</li><li>Differentiation of molecules with similar hydrophobicities, such as hydrophilic organic acids</li><li>Selectivity orthogonal to reversed-phase columns</li><li>Excellent column efficiency and peak symmetry</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>Max. Pressure: 5800 psi (400 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with an Ionizable Terminus</li><li>USP Type: L78</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, Ion Exchange, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode WCX-1 HPLC Columns

Separate cationic molecules with powerful adjustable selectivity control using Thermo Scientific Acclaim Mixed-Mode WCX-1 LC columns.

Separate cationic molecules with powerful adjustable selectivity control using Thermo Scientific™ Acclaim™ Mixed-Mode WCX-1 LC columns. The silica-based stationary phase features a hydrophobic alkyl chain with a carboxyl terminus that provides both hydrophobic reversed-phase and weak cation-exchange properties. This multimode separation mechanism delivers simultaneous separation of basic and neutral compounds. By independently or simultaneously tuning the mobile phase ionic strength, pH, and organic modifier, you can control the selectivity of ionizable and neutral compounds.<h5>Retains and Separates Highly Hydrophilic to Highly Hydrophobic Basic Molecules</h5><ul><li>Multimode retention mechanism: reversed-phase, weak cation-exchange, anion-exclusion, and HILIC modes</li><li>Selectivity complementary to C18 reversed-phase columns</li><li>Efficient primary column for a variety of basic analytes; also an ideal column for secondary methods development</li><li>Versatile in applications that require different selectivities</li><li>Symmetrical peak shapes and excellent efficiency</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>For use with: RPLC, Cation Exchange, Ion-Exclusion, HILIC</li><li>Max. Pressure: 6000 psi (415 bar)</li><li>Packing Material: Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with a Carboxyl Terminus</li><li>USP Type: L85</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, Ion Exchange, Ion Exclusion, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim Mixed Mode HILIC-1 HPLC Columns

Get all the advantages of reversed-phase (RP) and hydrophilic interaction liquid chromatography (HILIC) in one column with the Thermo Scientific Acclaim Mixed-Mode HILIC-1 column.

Get all the advantages of reversed-phase (RP) and hydrophilic interaction liquid chromatography (HILIC) in one column with the Thermo Scientific™ Acclaim™ Mixed-Mode HILIC-1 column. The high-efficiency, silica-based, mixed-mode stationary phase consists of a hydrophobic alkyl chain with a diol group at the terminus. The hydrophobic moiety supplies reversed-phase retention and the terminal diol group facilitates hydrophilic interactions. This unique combination provides adjustable selectivity with unsurpassed resolution and peak symmetry for a variety of both polar and nonpolar molecules.<h5>Separates Both Polar and Nonpolar Molecules with Selectivity Complementary to RP Columns</h5><ul><li>Operates in both RP and HILIC modes</li><li>Retains highly polar molecules</li><li>Covers broader application range than conventional diol-based columns, including nonionic ethoxylated surfactants, drug metabolites, lipids, and polyethylene glycols (PEGs)</li><li>Stable between pH 2.5 and 7.5</li><li>Available in 3 and 5μm particle sizes with an average pore diameter of 120Å</li></ul><h4>Specifications</h4><ul><li>Column type: Mixed mode</li><li>For use with: HILIC</li><li>Max. Pressure: 5800 psi (400 bar)</li><li>Packing Material: Spherical, Fully Porous, Ultrapure Silica</li><li>Stationary phase: Hydrophobic Alkyl Chain with a Diol Group</li><li>USP Type: N/A</li><li>Surface Area: 300 m²/g</li><li>Temperature: 50°C</li><li>Phase: Reversed Phase, HILIC</li><li>Pore Size: 120 Å</li><li>pH: 2.5 to 7.5</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Thermo Scientific Acclaim SEC-1000 HPLC Columns

Separate water-soluble polymers and oligomers with Thermo Scientific™ Acclaim™ SEC-1000 Size Exclusion HPLC Columns. 

Separate water-soluble polymers and oligomers with Thermo Scientific™ Acclaim™ SEC-1000 Size Exclusion HPLC Columns. These resin-based, high-performance, size-exclusion chromatography columns cover molecular weight range: 7μm, 1000Å. The combination of a proprietary mono-dispersed multi-pore hydrophilic resin and small particle size provides high-resolution and good linearity of the calibration curve with no inflection points for accurate, reliable analysis of a variety of water-soluble polymers.The Acclaim SEC-1000 LC column is calibrated from 1,000 to 1,000,000 Daltons and can characterize high molecular weight polymers.<h5>High-Performance Analysis of Water-Soluble Polymers</h5><ul><li>High-resolution analysis at reduced solvent consumption in available 4.6 x 300mm dimension</li><li>Stable surface bonding leads to low column bleed and enhances compatibility with UV, RI, MS, ELSD and Thermo Scientific Dionex™ Corona™ Charged Aerosol Detectors</li></ul><h4>Specifications</h4><ul><li>Column type: Size exclusion</li><li>Endcapped: yes</li><li>Max. Pressure: 600 psi (40 bar)</li><li>Packing Material: Spherical, Fully Porous Polymer</li><li>Temperature: 60°C</li><li>Phase: Size exclusion</li><li>Pore Size: 1000 Å</li><li>pH: 2 to 12</li></ul><h4>About the Acclaim Family of HPLC Columns</h4>Achieve the high standards set by modern HPLC and LC/MS methods with the Acclaim family of reversed-phase columns. These silica-based columns with advanced column bonding and endcapping technologies provide complementary selectivity, high column efficiencies, and ultra-high resolution for a wide variety of applications.<ul><li>Broad spectrum of stationary phases, including conventional C8 and C18 phases, polar embedded phases, and specialty phases including wide-pore, are available to meet your specific application needs</li><li>Performance tested to ensure high quality and reliability for pharmaceutical, biopharmaceutical, environmental, food, and other industrial chromatographic separations</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg" alt="Thermo Fisher Scientific: Broad range of HPLC and UHPLC columns" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Fisher_Scientific_Acclaim_column_Broad_range_of_HPLC_and_UHPLC_columns_2ec9c98a86.jpg 191w," sizes="100vw" width="1172" height="958">

Products from category HPLC columns focused on Consumables - page 9

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