<div><p><strong>Purifying the target protein is crucial for investigating its specific properties and interactions with biomolecules like DNA, RNA, and other proteins. A range of purification strategies is available, and the optimal approach depends on factors such as the required scale, throughput, and downstream application. In many cases, the process must be fine-tuned through empirical optimization to achieve the desired purity and yield.</strong></p></div><div><div><div><div><h3><strong>What is Protein Purification?</strong></h3><p>Protein purification is a critical process in biotechnology and life sciences, aimed at isolating a specific protein from complex biological mixtures such as cell lysates or tissue extracts. The goal is to obtain a highly purified protein sample, free from contaminants like other proteins, nucleic acids, and lipids, to enable accurate analysis of its structure, function, and interactions.</p><p>This process is especially vital in biotechnological areas inside immunology and microbiology. In <strong>immunology</strong>, it underpins the production of vaccines, therapeutic antibodies, and diagnostic assays by enabling the isolation of key immune proteins and antibodies. It also supports the investigation of cell signaling and immune response mechanisms. In <strong>microbiology</strong>, purified proteins are essential for studying pathogens, identifying disease-related antigens, and driving drug discovery efforts. Ultimately, protein purification is fundamental to the development of targeted vaccines, innovative diagnostics, and effective therapeutic strategies.</p></div></div></div></div><div><div><div><div><h3><strong>Types of Protein Purification Methods</strong></h3></div></div></div></div><div><p>There are several types of protein purification methods, each chosen based on the protein’s characteristics such as size, charge, solubility, and binding affinity. Below are some commonly used methods:</p></div><div><div><div><div><h4><strong>Non-Chromatographic Approaches</strong></h4></div></div><div><p>Non-chromatographic approaches use simpler physicochemical principles—such as solubility, molecular size, or diffusional properties—to separate and purify proteins. These techniques are often employed as initial purification or concentration steps before further refinement.</p><h5><strong>Precipitation Techniques</strong></h5><p>Protein precipitation is a widely used approach in purification workflows, typically relying on one of three main methods:</p><ul><li><strong>Organic solvent precipitation</strong> involves adding solvents like ethanol or acetone to lower the solution's dielectric constant. This promotes protein–protein interactions, reducing solubility and leading to aggregation and precipitation.</li><li><strong>Isoelectric point precipitation </strong>exploits the pH at which a protein carries no net charge. At this point, solubility is minimized, causing the protein to precipitate from solution.</li><li><strong>Nonionic polymer precipitation</strong> uses polymers such as dextran, polyethylene glycol (PEG), or NPEP to alter the solution’s physical properties. These agents create crowding effects that promote protein aggregation without directly binding to the proteins.</li></ul><h5><strong>Dialysis</strong></h5><p>Dialysis involves placing a protein solution inside a semi-permeable membrane that allows water and ions to pass while the protein remains inside, facilitating buffer exchange.This method is commonly used during protein expression and purification workflows for buffer exchange, desalting, and removal of unwanted small molecules such as imidazole, urea, or ammonium sulfate. The process helps maintain protein stability and activity by gradually equilibrating the sample with the desired buffer conditions.</p><h5><strong>Immunocapture (Magnetic Bead-Based Purification</strong></h5><p>Immunocapture uses antibodies immobilized on solid supports like magnetic beads to selectively bind and isolate a target protein. This method is highly specific and particularly useful for low-abundance targets or small-scale prep, such as:</p><ul><li>Pulling down proteins from complex mixtures</li><li>Capturing tagged recombinant proteins (e.g., FLAG, HA, or His tags)</li><li>Enrichment before western blotting, MS, or ELISA</li></ul><p>Magnetic beads offer speed, ease of use, and minimal sample loss, making them ideal for lab-scale workflows.</p><p><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/products/biozenspe-sample-preparation-products/biozen-magbeads">Biozen MagBeads</a> provide a fast and efficient method for purifying, isolating, and cleaning up monoclonal antibodies (mAbs), proteins, and peptides. These paramagnetic beads feature a streptavidin-coated surface, enabling high-affinity binding in immuno-based workflows. Compared to traditional sample preparation techniques, magnetic bead-based immunocapture offers greater speed and consistency by delivering high binding capacity with uniform particle size, ensuring accurate and reproducible results in significantly less time.</p><h5><strong>Centrifugation</strong></h5><p>Centrifugation of crude protein mixtures is an essential step in the investigation of protein purification and aggregation. Outlined below are the various types of centrifugations employed in protein purification.</p><p><strong>Preparative Ultracentrifugation</strong><br>Ultracentrifugation is an effective method of purifying proteins from aggregates based on their size, shape and density. Centrifugation, widely recognized as a robust and versatile method, is commonly used to separate complex mixtures of cellular components. Ultracentrifuges separate small particles by spinning at high speeds, utilizing centrifugal force based on size and density.</p><p><strong>Differential Centrifugation</strong><br>Differential centrifugation operates by separating components based on differences in size and density, using varying speeds of centrifugation to achieve this. Its resolving power ranges from low to medium. A key advantage of this technique is its convenience for processing multiple samples simultaneously, making it effective for purifying crude samples. Additionally, it preserves cell viability and maintains the natural distribution of hematopoietic cell populations.</p><p><strong>Rate-zonal Gradient Centrifugation</strong><br>This technique separates components based on their sedimentation rate within a medium that contains a density gradient. It offers medium resolving power and is particularly effective for separating multiple components in complex mixtures with high precision. It is also considered a cost-effective and widely used technique in molecular biology and biochemistry.</p><p><strong>Isopycnic Centrifugation (Equilibrium Centrifugation)</strong><br>Isopycnic centrifugation is an advanced protein purification method that relies on the principle of separating particles according to their intrinsic buoyant density, irrespective of their size or morphology. During the process, proteins migrate through a density gradient until they equilibrate at a position where their density matches that of the surrounding medium, resulting in precise separation without further sedimentation.</p></div></div></div><div><div><div><div><h4><strong>Chromatographic Approaches</strong></h4><p>Chromatography is a common method of protein purification and is based on the separation of molecules in a mixture as they move through a stationary phase and a mobile phase. Outlined below are the various types of chromatography employed in protein purification.</p><h5><strong>Ion Exchange Chromatography</strong></h5><p><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/techniques/hplc-ion-exchange">Ion exchange chromatography</a> relies on the interaction between a charged stationary phase and oppositely charged analytes, with cation exchange chromatography attracting positively charged molecules to a negatively charged stationary phase. Successful application of this technique requires careful selection of the appropriate ion exchange column, buffer pH, and salt concentration. This approach is often used in the biopharmaceutical industries as mAb polishing steps, viral clearance and charge variant analyses as part of the product quality control.</p><p><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/">Phenomenex</a> offers a range of protein purification columns. Their ion exchange chromatography solutions include:&nbsp;</p><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1526"><strong>Luna SCX </strong></a>for strong selectivity of positively charged compounds, such as peptides</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1540"><strong>Biozen WCX</strong></a> for efficient separation of proteins such as monoclonal antibodies charged variants</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/part/00g-3151-e0">PhenoSphere SAX</a>, a strong anion-exchanger with fully porous 80Å particles, particularly useful for small molecules such as nucleotides</li></ul><h5><strong>Size Exclusion Chromatography</strong></h5><p><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/techniques/hplc-sec">Size exclusion chromatography (SEC)</a> separates molecules based on their size, with larger analytes eluting first due to their exclusion from the pores in the column packing material, while smaller molecules are able to enter the pores, facing a longer travelling path, and hence, eluting later. This method can be categorized into aqueous SEC (gel filtration chromatography, GFC) for analyzing biomolecules such as proteins and antibodies. This type of chromatography is widely used as an analytical tool for quality control in the biopharmaceutical industry and can also be an approach of choice for polishing steps.</p><p>Phenomenex offers a range of <strong>Biozen columns for SEC</strong> separations. In the case of mAbs, <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1534"><strong>Biozen dSEC-2</strong></a> and<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1537"><strong> Biozen dSEC-7 </strong></a>columns are the top choices for monoclonal antibody (mAb) analysis, delivering high-resolution separation of monomers, aggregates, and fragments formed during mAb manufacturing, processing, or storage. The dSEC-7 column, featuring a larger pore size and optimized particle design, extends the dynamic range to accommodate larger biomolecules and complex biotherapeutics.</p><p>For more general applications, <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1533"><strong>Biozen SEC-2</strong></a><strong> </strong>and <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1532"><strong>Biozen SEC-3</strong></a> phases cover different MW ranges for high-efficiency separation of biomolecules (e.g., proteins and antibodies). Additionally, the BioSep and Yarra lines become top choices when looking for preparative scale columns.</p><h5><strong>Reversed-Phase Chromatography</strong></h5><p><a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/techniques/hplc-reversed-phase">Reversed-phase chromatography</a>, the most common mode in high-performance liquid chromatography/ ultra-high-performance liquid chromatography (HPLC/UHPLC), separates compounds based on hydrophobic and van der Waals interactions using alkyl (C18, C8, C4) stationary phases or other hydrophobic polymers. For large biomolecules such as proteins and peptides, <a target="_blank" rel="noopener noreferrer" href="https://www.phenomenex.com/resources/blog/wider-pore-biozen-column">wide-pore</a> (typically 300 Å) C4, C8 and C18 columns are ideal, as the larger pore size allows better accessibility of the protein molecules to the stationary phase surface, improving mass transfer and peak shape during separation.</p><p>The Biozen line from Phenomenex offers a wide range of HPLC/UHPLC columns for the analysis of biomolecules.These include phases optimized for high-resolution analysis of intact proteins (Native-RP, Widepore C4, Intact XB-C8) and peptides (Peptide PS-C18, Peptide XB-C18 and Peptide Polar-C18). Kinetex could also be an option when looking for more selectivities for the analysis of peptides and small proteins. Additionally, when aiming to preparative scale processes, several of these media are also available in Phenomenex Axia formats to easily up-scale your separations.</p><h5><strong>Hydroxyapatite Chromatography</strong></h5><p>Hydroxyapatite chromatography (HAC) is a sophisticated mixed-mode chromatographic technique that exploits the unique properties of hydroxyapatite (Ca10(PO4)6(OH)2), utilizing both cation-exchange interactions via its phosphate groups and metal affinity through its calcium sites to achieve highly selective protein separations.</p><p>Renowned for its efficacy in resolving complex biomolecular separations, HAC excels in tasks like aggregate removal from monoclonal antibodies, surpassing the capabilities of traditional single-mode chromatographic methods such as ion-exchange or hydrophobic interaction chromatography.</p><h5><strong>Hydrophobic Interaction Chromatography</strong></h5><p>Hydrophobic interaction chromatography (HIC) is a method of protein purification that separates molecules based on their hydrophobicity, using high-salt buffers to promote protein-ligand interactions while maintaining the protein's biological activity. The process involves gradually reducing the salt concentration to elute proteins in order to increase hydrophobicity, making it effective for purifying target molecules and removing impurities or aggregates, making it a valuable approach for intermediate and polishing steps during purification processes.</p><h5><strong>Affinity Chromatography</strong></h5><p>Affinity chromatography is a powerful and highly selective technique used to purify biomolecules based on specific, reversible interactions between a target molecule and an immobilized ligand. In many cases, recombinant proteins are engineered with affinity tags—such as His-tags or GST-tags—that facilitate binding to complementary ligands on the chromatography matrix.</p><p>This method offers the advantage of achieving several thousand-fold purifications in a single step while preserving the biological activity of the protein. It is widely employed for purifying enzymes, antibodies, and antigens, using a variety of ligands including specific antibodies, enzymes, and multifunctional compounds like concanavalin A and triazine dyes.</p></div></div></div></div>

Exploring Protein Purification Methods: Essential Techniques for Accurate Results

<h3><span><strong>A Practical Guide to Getting the Most from Syringe Filters: Tips, Tricks, and Common Pitfalls</strong></span></h3><p><span><strong>Syringe filters play a crucial role in chromatography and many other laboratory applications by removing particulate matter before analysis. Proper sample filtration helps protect analytical instruments, extends column lifetime, and improves data quality. However, selecting an unsuitable filter—or using one incorrectly—can introduce contamination, reduce filtration efficiency, or even compromise analytical results. The following recommendations will help you avoid common mistakes and ensure reliable filtration every time.</strong></span></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_3_150e8c1c2b.webp" alt="KNAUER: Avoiding Common Syringe Filter Mistakes" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_3_150e8c1c2b.webp 133w," sizes="100vw" width="1276" height="1496"></p><h4><span><strong>1. Improper Filter Handling</strong></span></h4><p><span>Using excessive force during filtration or attempting to reuse disposable syringe filters can damage the membrane and increase the risk of sample contamination.</span></p><ul><li><span><strong>Solution:</strong> Apply slow, even pressure throughout the filtration process and always dispose of single-use filters after one use. If the flow rate decreases noticeably, replace the filter instead of applying additional force.</span></li></ul><h4><span><strong>2. Selecting an Inappropriate Pore Size</strong></span></h4><p><span>Using the wrong pore size may either fail to remove unwanted particles or cause the membrane to clog prematurely, reducing filtration efficiency.</span></p><ul><li><span><strong>Solution:</strong> A 0.45 µm membrane is generally suitable for routine particulate removal, while a 0.22 µm membrane is recommended for finer filtration and bacterial removal. Samples with higher viscosity may require a pre-filter to prevent rapid clogging. It is also important to consider the intended analytical technique. For example, 0.22 µm filters are typically preferred for UHPLC and LC-MS applications, whereas 0.45 µm filters are often sufficient for conventional HPLC analyses.</span></li></ul><h4><span><strong>3. Choosing the Wrong Membrane Material</strong></span></h4><p><span>Different membrane materials exhibit different chemical resistance. Using an incompatible membrane may lead to degradation of the filter, sample contamination, or complete filtration failure.</span></p><ul><li><span><strong>Solution:</strong> Always verify solvent compatibility before filtration. PTFE membranes are an excellent choice for organic solvents, while PES and nylon membranes are better suited to aqueous samples. If compatibility is uncertain, perform a small-scale trial before filtering valuable samples.</span></li><li><span><strong>Pro Tip:</strong> For additional guidance, see our blog article <strong>"How to Choose the Right Membrane for your Syringe Filter"</strong>, which provides a detailed comparison of membrane materials and their recommended applications.</span></li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_2_e47021fb11.jpg" alt="KNAUER Sepapure® Syringe Filters are available with multiple membrane materials, each identified by a dedicated color code for quick and reliable selection." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_2_e47021fb11.jpg 245w," sizes="100vw" width="1580" height="902"></p><h4><span><strong>4. Ignoring Filter Capacity</strong></span></h4><p><span>Using a filter with insufficient capacity can result in rapid membrane blockage, increasing filtration time and reducing laboratory productivity.</span></p><ul><li><span><strong>Solution:</strong> When filtering larger sample volumes, choose high-capacity syringe filters or introduce a pre-filtration step. Never force liquid through a clogged membrane, as doing so may damage the filter and negatively affect sample quality.</span></li></ul><h4><span><strong>5. Overlooking Sample Adsorption</strong></span></h4><p><span>Certain membrane materials may adsorb analytes of interest, leading to lower recoveries and potentially affecting quantitative results.</span></p><ul><li><span><strong>Solution:</strong> For protein samples or other adsorption-sensitive analytes, select membranes with low binding characteristics, such as nylon or glass fiber, whenever appropriate. Performing a small recovery test before routine analysis can help identify potential analyte losses.</span></li></ul><h4><span><strong>6. Failing to Optimize Filtration Performance</strong></span></h4><p><span>Slow filtration is more than just an inconvenience—it often indicates that the filtration conditions are not optimal.</span></p><ul><li><span><strong>Solution:</strong> If filtration becomes unusually slow, investigate possible causes such as membrane clogging, excessive sample viscosity, or an unnecessarily small pore size. Depending on the sample, dilution or sequential filtration using progressively finer filters may significantly improve performance.</span></li></ul><h4><span><strong>Final Thoughts</strong></span></h4><p><span>Selecting the appropriate syringe filter is a straightforward process, but overlooking small details can have a significant impact on analytical performance. Choosing the correct membrane material, pore size, and filtration strategy helps improve laboratory efficiency, protects chromatography systems and columns, and contributes to accurate, reproducible analytical results.</span></p><p><span>With the right syringe filter and proper filtration technique, you can minimize sample preparation problems and maximize confidence in every analysis.</span></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_4_983a15e289.jpg" alt="KNAUER: Sepapure® Syringe Filter Selection" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Avoiding_Common_Syringe_Filter_Mistakes_4_983a15e289.jpg 245w," sizes="100vw" width="1160" height="627"></p><p><span><strong>Happy filtering!</strong></span></p>

Avoiding Common Syringe Filter Mistakes

News from LabRulezLCMS Library - Week 27, 2026

Article

Product

Application

Academy

Poster

Everything from the world of analytical chemistry in one place. We connect people in solving their problems. At Labrulez you will find all the necessary information easily, quickly and clearly. Stop searching and start finding.

LabRulez

Phenomenex is a global technology leader committed to developing novel analytical chemistry solutions that solve the separation and purification challenges of researchers in industrial, government and academic laboratories.

Phenomenex

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.

KNAUER

Separation Science

Agilent Technologies

Thermo Fisher Scientific

Evosep Biosystems

Waters Corporation

<p><strong>Contaminants in the sample matrix can create chromatography issues, system downtime, and unreliable test results. Having clean samples can help prevent most of these problems. There are many options for sample cleanup.</strong></p>
<p>We’ll discuss the following options:</p>
<ul>
<li><p><strong>Solid phase extraction (SPE), which provides the cleanest sample.</strong></p>
</li>
<li><p><strong>“Targeted” filtration, which can remove specific interferences from the sample matrix and provides clean samples.</strong></p>
</li>
</ul>
<p>In this talk, we’ll discuss tips for selecting, developing, and implementing SPE methods. We’ll also discuss newly developed targeted filtration options and their benefits.</p>
<blockquote>
<p><strong>Presenter:</strong> Golnar Javadi (Application Engineer, Agilent Technologies, Inc.)</p>
</blockquote>
<blockquote>
<p>Golnar Javadi is an applications engineer providing online applications assistance and technical support for LC columns and supplies, Sample Preparation products, and Spectroscopy supplies.</p>
</blockquote>
<blockquote>
<p>Before joining Varian and then Agilent, Golnar worked in the pharmaceutical and nutraceutical industries on method development and quality control. She also taught college level chemistry courses for a few years.</p>
</blockquote>
<blockquote>
<p>Golnar then joined Varian as a technical support specialist, providing customers with method development assistance and technical support on Sample Preparation (SPE, SLE, and Filtration), HPLC, GC, ToxiLab and DAT. After the Varian-Agilent merger, Golnar joined Agilent Technologies as an Applications Engineer. She provides technical support to customers on Sample Preparation products, Liquid Chromatography columns, and Spectroscopy supplies.</p>
</blockquote>


Agilent Technologies: Sample Cleanup: Method Development for Solid Phase Extraction and Beyond

Sample Cleanup: Method Development for Solid Phase Extraction and Beyond

We’ll discuss tips for selecting, developing, and implementing SPE methods. We’ll also discuss newly developed targeted filtration options and their benefits.

Sample Cleanup: Method Development for SPE

<p><strong>We invite you to join a hybrid event on October 15<sup>th</sup> to explore the latest solutions and workflows for overcoming environmental and food contaminant testing challenges.</strong></p><p>This event will be broadcast live from the laboratory at Thermo Fisher Scientific Customer Solutions Center (CSC) in Paris. You can join in person at one of our many 'satellite' venues worldwide, where we will offer an extended agenda, or participate remotely through the live broadcast.</p><p>During the live stream broadcast, you will meet our Customer Solution Centre specialist team and leading industry expert, John Quick, as they discuss innovative solutions to meet the ever-evolving testing demands. There will be plenty of time to ask these experts your questions.</p><p>The following sessions will be streamed all over Europe and beyond:</p><ul><li><strong>Detecting PFAS in drinking water to meet regulations across Europe</strong> – New automated sample preparation high-resolution MS solution to achieve parts per trillion detection limits.<br><i>Aristide Ganci,&nbsp;Senior Product Application Specialist, Thermo Fisher Scientific; Valérie Thibert, Senior Product Application Specialist, Thermo Fisher Scientific; Bénédicte Gauriat, Senior Product Application Specialist, Thermo Fisher Scientific</i></li><li><strong>New ready-to-go pesticide residue solution for faster, more confident results</strong><br><i>Zoe Julian, Product Marketing Specialist, Manager; Bénédicte Gauriat, Senior Product Application Specialist, Thermo Fisher Scientific; Julie Moriceau, Senior Product Application Specialist, Thermo Fisher Scientific</i></li><li><strong>Low-level contaminant testing in environmental water matrices</strong>&nbsp;– High-Resolution Accurate Mass GC-MS approach to meet future regulations<br><i>John Quick, Principal Scientist, ALS Environmental Ltd</i></li></ul><p>After the live stream concludes, 'satellite' locations offer a unique program onsite. Take this unique opportunity to connect with industry professionals, or join us to explore, network, and collaborate on your future projects. Scroll below to the venue of your choice to discover the individual agenda.</p><p>Participation is free of charge, registration is required.</p><p>For any questions about this event or regarding your registration, please email <a href="mailto:CMDEvents@thermofisher.com">CMDEvents@thermofisher.com</a>.</p><h3><strong>Preliminary agenda</strong></h3><h5><strong>10:15 Live streaming of this event to ‘satellite’ locations and online audience</strong></h5><h5><strong>10:30 Introduction</strong></h5><ul><li>Jeff Stubbs (Business Development Manager, Environment and Food Safety, Thermo Fisher Scientific)</li></ul><h5><strong>10:55 Detecting PFAS in drinking water to meet regulations across Europe - New automated sample preparation high-resolution MS solution to achieve ppt detection limits</strong></h5><ul><li>A Ganci, V Thibert and B Gauriat (Senior Product Application Specialists, Thermo Fisher Scientific)</li></ul><h5><strong>11:35 Break</strong></h5><h5><strong>12:05 New ready-to-go pesticide residue solution for faster, more confident results</strong></h5><ul><li>Z Julian, Product Marketing, B Gauriat, and J Moriceau (Senior Product Application Specialists Thermo Fisher Scientific)</li></ul><h5><strong>12:45 Low-level contaminant testing in environmental water matrices – high-resolution GCMS approach to meet future regulations</strong></h5><ul><li>John Quick (Principal Scientist, ALS Environmental Ltd)</li></ul><h5><strong>13:15 Closing comments</strong></h5><h5><strong>13:30 End of live streaming</strong></h5><div><div container-id="cq-colctrl-lt7" comp-id="B1"><div><div><div><div><div><div><blockquote><h3>How to attend?</h3><p>3 ways of attending:</p><p><strong>Customer Solution Centre (in-person event):&nbsp;</strong><br>Join the heart of the event at our Customer Solution Center in Paris, where the main agenda will be hosted and live-streamed worldwide to our ‘Satellite’ locations and our audience.</p><p><strong>Join a ‘Satellite’ location (in-person event):&nbsp;</strong><br>Our in-person ‘Satellite’ events will broadcast the main agenda live-streamed from our Customer Solution Center in Paris and supplement the day with local presentations, lab tours, or workshops. Take this opportunity to meet your Thermo Fisher representatives and industry experts from the region. Discover the individual agenda for your ‘Satellite’ location of interest.</p><p><strong>Online attendees (remote):&nbsp;</strong><br>Unable to travel to a ‘Satellite’ event? Not a problem! You can register to attend conveniently online from your desk or anywhere else through the live stream from our Customer Solutions Center in Paris.</p></blockquote></div></div></div></div></div></div></div></div>

Thermo Scientific: Solutions for environmental and food contaminant testing

Solutions for environmental and food contaminant testing

New and advancing workflows to meet and exceed European regulations.

<p><strong>Understanding disease at a biological level requires deep, precise analysis. Multi-omics assays provide this depth, offering critical insights into human health and disease progression. However, these advanced methods come with challenges—especially when it comes to standardization and reproducibility.</strong></p><h4>Join us for an informative webinar and panel discussion where we will:</h4><ul><li>Explore Quantitative Metabolomics: Discover how this powerful approach distinguishes health from disease and unlocks new insights into biological mechanisms.&nbsp;</li><li>Learn About Automated Sample Preparation: Get up to speed on the latest advancements in automated workflows, including the use of kit-based LC-MS/MS for reliable metabolomics profiling.Enhance Your Research Efficiency: Understand how integrating advanced technologies can streamline the verification and monitoring of potential biomarkers, leading to more cohesive analytical workflows.</li></ul><h4>Featured Presentations</h4><ul><li>Hear from experts at the University of Minnesota and University of Surrey as they showcase real-world applications and validations of these workflows. You'll gain exclusive insights from leaders in the field who are at the forefront of metabolomics research.</li></ul><h4>Key Learning Points</h4><ul><li><strong>Unlock the Power of Quantitative Metabolomics: Learn how this approach helps differentiate health from disease and provides crucial insights into biological processes.</strong></li><li><strong>Streamline Your Research: Discover how comprehensive analytical workflows can speed up the verification and monitoring of lipid and small molecule biomarkers.</strong></li><li><strong>Dive into Advanced Automation: Explore cutting-edge sample preparation with the Waters™ Andrew+ automated liquid handler and the biocrates MxP® Quant 500 kit, transforming targeted metabolomics studies.</strong></li><li><strong>Master LC-MS/MS Workflows: Gain insights into the expanded biocrates MxP® Quant 500 XL, optimized for use with the Waters Xevo™ TQ Absolute MS, for robust lipidomics and metabolomics data.</strong></li><li><strong>Engage with Leading Experts: Take advantage of the opportunity to interact with experts from the University of Minnesota, University of Surrey, Waters Corporation, and Biocrates.</strong></li></ul><blockquote><p><strong>Presenter: </strong>Dr Holly-May Lewis (Senior Laboratory Technician, University of Surrey, UK)</p><p>Dr. Holly-May Lewis is a Senior Laboratory Technician and specialist in Liquid Chromatography Mass Spectrometry (UPLC-MS/MS) at the University of Surrey's Chronobiology Section. With a PhD in Chemistry from the University of Surrey, she brings deep expertise in analytical chemistry to her current work, where she focuses on cutting-edge UPLC-MS/MS metabolomics of human samples.</p><p><strong>Presenter:&nbsp;</strong>Professor Debra Skene PhD (Professor of Neuroendocrinology, University of Surrey, UK)</p><p>Debra J. Skene, PhD, FMedSci is a distinguished Professor of Neuroendocrinology in the Chronobiology Section at the University of Surrey, UK. With over 30 years of research experience and more than 200 peer-reviewed publications, her work focuses on the human circadian timing system and related sleep/wake disorders, particularly in blind individuals, shift workers, and older adults. Currently, her research explores the links between circadian clocks, sleep, and metabolism in both health and disease, utilizing advanced metabolomics techniques</p><p><strong>Presenter:&nbsp;</strong>Dr Zachary J Mayer (Research Scientist at the Center for Metabolomics and Proteomics (CMSP), University of Minnesota)</p><p>Dr Zachary Mayer is a Research Scientist at the Center for Metabolomics and Proteomics (CMSP) at the University of Minnesota, specializing in high-throughput targeted metabolomics by Liquid Chromatography Mass Spectrometry (LC-MS), sample preparation, and laboratory automation.</p></blockquote>

Waters Corporation: LC-MS/MS Workflows for Kit Based Quantitative Metabolic Profiling

LC-MS/MS Workflows for Kit Based Quantitative Metabolic Profiling

Multi-omics assays provide this depth, offering critical insights into human health and disease progression.

LC-MS/MS Workflows for Kit Based Quantitative Metabolic

<p><strong>This comprehensive webinar will equip you with the knowledge and skills needed to excel in N-glycan analysis, from sample preparation to data interpretation.</strong></p><p>Enhance your understanding of the latest tools Agilent offers to address your biotherapeutic characterization needs.</p><h4>By attending this webinar, you will:</h4><ul><li><strong>Understand the significance of N-glycans</strong><br>&nbsp;</li><li><strong>Learn about the latest N-glycan sample preparation techniques</strong><br>&nbsp;</li><li><strong>Understand how to select the right columns and perform HILIC separations</strong><br>&nbsp;</li><li><strong>Analyze data with the new Glycan Peak Assignment Tool</strong></li></ul><blockquote><p><strong>Presenter: </strong>Tom Rice (Bioconsumables Product Manager, Agilent Technologies)</p><p>Tom Rice is the Bioconsumables Product Manager at Agilent Technologies, coming to Agilent through the acquisition of ProZyme in 2018. Prior to joining Agilent, he held various sales and marketing roles within ProZyme beginning in 2014. Much of Tom’s work, both at ProZyme and Agilent, has been focused on bringing innovative glycobiology solutions to biopharma customers. Tom is based in California and holds a B.S. from Sonoma State University.</p><p><strong>Presenter:&nbsp;</strong>Randall Robinson (Research and Development Scientist, Chemistries and Supplies Division at Agilent Technologies)</p><p>Randall Robinson is a Research and Development Scientist in the Chemistries and Supplies Division at Agilent. Prior to joining Agilent in 2021, Randall completed his PhD in food chemistry with a focus on developing analytical techniques to characterize bioactive oligosaccharides in milk and dairy streams. Since joining Agilent, he has contributed to the design of numerous products utilized for N-glycan analysis, including the HILIC column described in this presentation.</p></blockquote>

Separation Science: Streamlining N-Glycan Analysis: A Complete Workflow from Agilent

Streamlining N-Glycan Analysis: A Complete Workflow from Agilent

Learn about the latest N-Glycan sample preparation techniques.

Streamlining N-Glycan Analysis: A Complete Workflow

<p><strong>LC/MS has played a critical role in bringing new monoclonal antibody-based therapies to market, enabling comprehensive characterization. However, sample preparation continues to remain a bottleneck as it is both time consuming and can introduce variability in LC-MS studies.</strong></p><p>In this webinar, you will learn how you can leverage the Andrew+ Pipetting Robot to automate sample preparation prior to LC-MS studies of monoclonal antibodies.</p><p>Examples discussed will include:</p><ul><li><strong>Monoclonal antibody purification</strong><br>&nbsp;</li><li><strong>Monitoring mAB oxidation at the subunit level</strong><br>&nbsp;</li><li><strong>Glycan profiling</strong></li></ul><p>By automating sample preparation prior to LC-MS studies, Scientists can focus on experimental design and data analysis while eliminating a major source of variability.</p><blockquote><p><strong>Presenter: </strong>N. Dilip Padliya, PhD (Principal Product Marketing Manager, Laboratory Automation, Waters Corporation)</p><p>N. Dilip Padliya recently joined the Laboratory Automation division of Waters, focused on automating sample preparation in LC-MS, Bioanalysis, Proteomics, Lipidomics, and Metabolomics. His prior work experience includes running a Proteomics research group at Celgene (now part of Bristol Myers Squibb). He has authored 7 peer reviewed publications and is a co-inventor on 10 patents.</p></blockquote>

Waters Corporation: Automated Sample Prep Prior to LC-MS Studies of Monoclonal Antibodies

Automated Sample Prep Prior to LC-MS Studies of Monoclonal Antibodies

How you can leverage the Andrew+ Pipetting Robot to automate sample preparation prior to LC-MS studies of monoclonal antibodies.

Automated Sample Prep Prior to LC-MS Studies

<h4><strong>The Waters 2024 Virtual Summer School - An Educational Journey to Master Food &amp; Environmental Analysis</strong></h4><p>Unlock the full potential of LC-MS techniques with our immersive and educational sessions at the Waters Virtual F&amp;E Late Summer School 2024. From September 24th to 26th, engage with leading experts and discover cutting-edge methods for environmental and food analysis.</p><h5><strong>Why attend?</strong></h5><ul><li><strong>Comprehensive Learning:</strong> Dive deep into advanced LC-MS techniques and gain practical knowledge to enhance your laboratory's analytical capabilities.</li><li><strong>Expert Insights:</strong> Learn from industry leaders and gain firsthand experience through detailed modules on chromatography, mass spectrometry, and sample preparation.</li><li><strong>Regulatory Compliance:</strong> Stay ahead with the latest insights on EU regulations for PFAS analysis in food and water, ensuring your lab meets stringent standards.</li></ul><h3><strong>Episode #5: General Sample Preparation | F&amp;E Summer School - Day 2 - Module 1</strong></h3><p>Sample preparation is a key aspect in the analytical workflow and heavily determines the quality of the analysis. Solid Phase Extraction is a fundamental sample preparation technique widely used across all areas of analytical chemistry. Whether new to SPE or seeking a refresher, this webinar will introduce the basics of sample preparation and provide practical insights and technical background on the benefits when choosing SPE over another form of sample preparation, especially for analytes in complex matrices, such as the ones often encountered in Food and Environmental analysis. Join us in exploring SPE key parameters and best practices for implementing successful SPE methods. The session will combine PowerPoint slides with videos describing good practices and showing a practical example on the complex analysis of PFAS.</p><p>Our guest speaker Chiara Sarti from Cranfield University, Bedford UK, will share her research results on the work with new dual layer cartridges to extract PFAS from different environmental samples.</p><h5><strong>What you'll learn:</strong></h5><ul><li>Understanding SPE fundamentals</li><li>Making SPE simple with water-wettable sorbents</li><li>Verifying successful SPE implementation</li></ul><blockquote><p><strong>Presenter:&nbsp;</strong>Xavier Rodríguez (Business Development Manager Chemistry Group, Southern Europe, Waters)</p><p>Xavier is part of the European Market Development Team. He works as an Application Specialist with focus on sample prep and has more than 20 years of experience in solving sample prep challenges.</p><p><strong>Presenter:&nbsp;</strong>Chiara Sarti (Ph.D. Student, Department of Chemistry "Ugo Schiff", University of Florence)</p></blockquote>

Waters Corporation: The Waters 2024 Virtual Summer School

General Sample Preparation

Join us in exploring SPE key parameters and best practices for implementing successful SPE methods. 

<h4><strong>The Waters 2024 Virtual Summer School - An Educational Journey to Master Food &amp; Environmental Analysis</strong></h4><p>Unlock the full potential of LC-MS techniques with our immersive and educational sessions at the Waters Virtual F&amp;E Late Summer School 2024. From September 24th to 26th, engage with leading experts and discover cutting-edge methods for environmental and food analysis.</p><h5><strong>Why attend?</strong></h5><ul><li><strong>Comprehensive Learning:</strong> Dive deep into advanced LC-MS techniques and gain practical knowledge to enhance your laboratory's analytical capabilities.</li><li><strong>Expert Insights:</strong> Learn from industry leaders and gain firsthand experience through detailed modules on chromatography, mass spectrometry, and sample preparation.</li><li><strong>Regulatory Compliance:</strong> Stay ahead with the latest insights on EU regulations for PFAS analysis in food and water, ensuring your lab meets stringent standards.</li></ul><h3><strong>Episode #6: Automated Sample Preparation | F&amp;E Summer School - Day 2 - Module 2</strong></h3><p>This Module builds on the previous one by adding automation to the sample preparation methods. The Andrew+™ pipetting robot offers fully automated liquid handling using electronic pipettes and labware holders called Dominos for a full walk-away automation solution.</p><p>Creating the connected laboratory, Andrew+ is part of the OneLab™ ecosystem, executing laboratory protocols designed in OneLab software. This flexible architecture enables you to effortlessly transition from laborious manual pipetting procedures to error-free, fully-robotized lab workflows – without any knowledge of programming, laboratory robotics or automation engineering. and explains processes the Andrew+ pipetting robot can take over in your lab.</p><p>The European Union has adopted Commission Recommendation (EU) 2022/1431 to monitor PFAS in fruits, vegetables, milk and baby food. To achieve quantification at lowest levels of PFAS in food matrices, sample preparation is required which comprise of many pipetting steps and can be time-consuming and error prone. We will demonstrate an automate workflow for the analysis of PFAS in milk using a pipetting robot and stacked dual-phase SPE cartridges to meet EU 2022/1431 levels.</p><h5><strong>What you'll learn:</strong></h5><p>Possibilities to automat liquid handling processes in LC and LC-MS e.g.</p><ul><li>Serial dilution</li><li>Calibration curve</li><li>Solid Phase Extraction (SPE)</li></ul><blockquote><p><strong>Presenter:&nbsp;</strong>Xavier Rodríguez (Business Development Manager Chemistry Group, Southern Europe, Waters)</p><p>Xavier is part of the European Market Development Team. He works as an Application Specialist with focus on sample prep and has more than 20 years of experience in solving sample prep challenges.</p><p><strong>Presenter:&nbsp;</strong>Daniel Ng PhD (Principal Scientist, Waters Corporation)</p><p>Daniel Ng received his PhD from the University of Manchester in mass spectrometry proteomics. He worked for 5 years at the Waters mass spectrometry headquarters in Wilmslow, UK, as a service support development engineer specializing in mass spectrometry instrumentation. In 2019, he took up a new role as a principal scientist at the International Food and Water Research Centre (Waters) in Singapore focusing on using advanced instrumentation to answer analytical challenges in the food and water industry. Since 2023, Daniel has lead the Food, Environmental and Material Science Analytical Professional Service team in the Asia-Pacific Region, developing analytical solutions to meet key challenges that customers face.</p></blockquote>

Automated Sample Preparation

The Andrew+™ pipetting robot offers fully automated liquid handling using electronic pipettes and labware holders.

<p><strong>In this session, we explore how cutting-edge technology can detect the early signs of infectious disease with precision and speed. Early identification of disease markers can significantly enhance patient care by allowing for faster, more effective treatments.</strong></p><p>Learn how Evosep One’s robustness, sensitivity, and efficiency are helping laboratories and clinicians stay ahead of disease progression, providing key insights that lead to better health outcomes.</p><p>Accurate and early detection of mycobacterial pathogens is critical for improving patient outcomes. We developed and validated multiple novel diagnostic methods. First, an immuno-affinity liquid chromatography–tandem mass spectrometry (ILM) assay that quantifies Mycobacterium tuberculosis CFP10 peptides and HIV-1 p24 in serum, showing high sensitivity and specificity in both adults and children. This method allows early detection of HIV and TB and monitors treatment responses effectively. The second approach involves an automated peptidomics pipeline that rapidly identifies mycobacterial species and subspecies from early growth cultures, including drug-resistant strains, significantly reducing diagnosis time compared to current clinical practices. These methods present significant advancements for managing the mycobacterial diseases.</p><blockquote><p><strong>Presenter: </strong>PhD. Tony Hu (Center for Cellular &amp; Molecular Diagnostics, Tulane Cancer Center Translational Oncology Research Program Leader)</p><p><strong>Presenter:&nbsp;</strong>Aaron Scott (Infection Medicine (BMC) – Faculty of Medicine, Lund University)</p></blockquote>

Evosep: Tracking early signs of infectious disease with Evosep One to improve patient outcomes

Tracking early signs of infectious disease with Evosep One to improve patient outcomes

Learn how Evosep One’s robustness, sensitivity, and efficiency are helping laboratories and clinicians stay ahead of disease progression.

Tracking early signs of infectious disease with Evosep One

<p><strong>Researchers in early antibody and protein drug development are now harnessing the power of automation to transform traditional purification techniques into high-throughput, automated processes.</strong></p><p>This game-changing approach lets them explore protein expression, stability, and functionality before scaling up to larger volumes. While protein scientists excel in engineering and purification, the complexities of automation bring new challenges that can significantly impact workflow and performance.</p><p>Join us for an exciting webinar by Biotage, where we’ll dive into the evolution of major automated, small-scale protein purification platforms over the past 20 years. By focusing on screening and process development applications, you’ll gain invaluable insights that will help you choose the perfect automation platform for your needs. We’ll cover everything from entry barriers (such as time and cost) to automation efficiency, downstream compatibility, and overall performance. Plus, we’ll present comparative performance data across platforms, highlighting key metrics for optimizing protein purification such as yield, concentration, consistency, and purity.</p><h4><strong>What you will learn:</strong></h4><ul><li><strong>Valuable insights into how automation platforms are used in screening and process development applications</strong><br>&nbsp;</li><li><strong>Tips on selecting the appropriate automation platform for your specific needs</strong><br>&nbsp;</li><li><strong>Understanding the time and cost barriers to adopting automation</strong><br>&nbsp;</li><li><strong>Evaluating the efficiency of different automation platforms and assessing how well they integrate with downstream processes</strong><br>&nbsp;</li><li><strong>Comparative performance data across the platforms – protein yield, concentration, consistency, and purity</strong></li></ul><h4><strong>Who should attend:</strong></h4><ul><li>Protein Scientists: Those involved in protein engineering and purification</li><li>Biotech Researchers: Professionals working on antibody and protein drug development</li><li>Research Scientists: Individuals focusing on high-throughput screening and process development</li><li>Lab Managers: Those overseeing laboratory workflows and looking to integrate automation</li></ul><blockquote><p><strong>Presenter: </strong>Gabrielle Kerkow (Application Scientist, Biotage)</p><p>Gabrielle Kerkow earned her Bachelor of Science in Biological Engineering and Psychology from Louisiana State University and is currently pursuing a Master of Biotechnology at San Jose State University. Having experience with chromatography, she joined Biotage as an Application Scientist, focusing on automating protein and plasmid purification on liquid handlers. Her role involves method development, programming for high-throughput purification, and evaluating the performance of protein purification.</p></blockquote>

Separation Science: Elevating Protein Purification Efficiency: Transitioning from Manual Techniques to Automated Platforms

Elevating Protein Purification Efficiency: Transitioning from Manual Techniques to Automated Platforms

The complexities of automation bring new challenges that can significantly impact workflow and performance.

Elevating Protein Purification Efficiency

<h4>Key Learning Points:</h4><ul><li><strong>Identify the common challenges associated with solid phase extraction methods</strong><br>&nbsp;</li><li><strong>Understand and troubleshoot the recovery, contamination and reproducibility issues</strong><br>&nbsp;</li><li><strong>Learn how to find and apply solutions to develop robust and reproducible extraction methods for their sample preparation needs</strong></li></ul><h4>Who Should Attend:</h4><ul><li>Any scientists who wants to learn about solid phase extraction and it’s associated challenges, common troubleshooting steps and solutions to develop robust and reproducible extraction methods for their sample preparation needs</li></ul><blockquote><p><strong>Presnter: </strong>Namrata Saxena (Technical Manager, Phenomenex)</p><p>Namrata is the Technical Manager for the Asia-Pacific region in Phenomenex and is based in Sydney, Australia. As a member of the global technical team, she is responsible for assisting external customers as well as internal marketing and sales teams of Phenomenex for multifarious technical queries. She specifically support company’s bio-products portfolio through external and internal seminars/webinars, trainings and also contribute in biologics related technical content creation.</p><p>Before joining Phenomenex she had worked as a Product Specialist and spent several years in stationary phase chemistry, column manufacturing and method development groups in a German company Bischoff Chromatography GmbH.</p><p>Namrata has a post graduate degree with specialization in Analytical Chemistry. Her competence and focus lies in biotherapeutics characterization through liquid chromatography, antibodies and oligonucleotide chemistry, gene therapy and new bio-therapeutic modalities.</p></blockquote>

LCMS webinars focusing on Sample prep - page 16

Solid Phase Extraction Troubleshooting Tips and Tricks