<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

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<h4><strong>Virtual event: Pharma conclave series 2024</strong></h4><p>SCIEX offers the platform for the experts to take the stage and drive technological progress</p><p><strong>Welcome to Pharma conclave series 2024</strong> – where our customers’ expertise meets innovation, transforming your knowledge and empowering you to revolutionize your work processes. Join us in discovering techniques that will enhance your skills to accelerate your daily operations in the development of new drugs.</p><p>From the research of new markers to the drug development moving into non and GLP bioanalysis. Confidently plan your next lab expansion with the knowledge gained from industry leaders and pioneers.</p><ul><li>May 16 <strong>Event 1: Pharma omics</strong></li><li>September 17 <strong>Event 2: Impurities</strong></li><li>October 23-24 <strong>Event 3: Pharma</strong></li></ul><p><strong>10:00 a.m.–12:00 p.m. CET</strong></p><h3><strong>Event 3: Pharma</strong></h3><p><strong>The pharma connection</strong></p><p>From discovery to QA/QC. All the process to bring a new treatment to the patients is following a path to connect the different stages until the magic happens.</p><p>Join to see how the scientists are generating the needed tricks to connect the initial though with the final formulation.</p><h3><strong>Day 1</strong></h3><h5><strong>10:00 - 10:30 - Metabolomics screening kits for use in clinical trials</strong></h5><ul><li>Heike Wiese, Nuvisan</li></ul><h5><strong>10:30 – 11:00&nbsp;- Sphingolipid biomarkers in neurodegenerative drug development</strong></h5><ul><li>Jose Carlos Gonzalez, AMSbiopharma</li></ul><h5><strong>11:00 – 11:30 - Parallel setup of a series of micro LC methods, coupled with the low-resolution mass spec (API7500) for &nbsp;TG2 inhibitors</strong></h5><ul><li>Davide Massari and Chiara Olmi, ERBC Group</li></ul><h5><strong>11:30 – 12:00&nbsp;- PFAS analysis and mass spectrometry: Beyond environmental, food and packaging. What about cosmetic and pharmaceutical products?</strong></h5><ul><li>Emiliano De Dominicis, Merieux</li></ul><blockquote><p><strong>Presenter:</strong> Bruno Manadas, PhD</p></blockquote><blockquote><p>Dr Manadas is a prominent Cell Biology researcher at CNC-UC since 2017. With expertise in biochemistry, psychology, and biotechnology, he's authored 130+ publications and led multiple projects. As head of CNC's Mass Spectrometry node and Associate Editor for Frontiers, he's contributed significantly to neuroscience and psychiatry. Bruno's research focuses on cell biology mechanisms, translational biomarker research, and MS-based approaches for studying protein oxidation. He played a pivotal role in establishing the hospital biobank and teaches at the Portuguese Catholic University.</p></blockquote><blockquote><p><strong>Presenter:</strong> Dorte Bekker-Jensen</p></blockquote><blockquote><p>Dorte is heading the Applications Development team in Proteomics Research at Evosep. She has long-term experience within proteomics and has focused on technology development by developing simple and automated workflows for high-throughput applications.</p></blockquote><blockquote><p><strong>Presenter:</strong> Stefan Ledinger</p></blockquote><blockquote><p>Stefan has 20 years of experience in the life sciences and diagnostic industries. For the last dozen years, he has been serving various functions within biocrates life sciences ag. Most recently, he has been responsible for the market development for metabolomics solutions in the pharmaceutical and biotech industries. He currently serves as Global Head of Sales. Stefan holds degrees in business administration and bioengineering, combining commercial know-how with a passion for science.</p></blockquote><blockquote><p><strong>Presenter:</strong> Markus Langsdorf</p></blockquote><blockquote><p>Markus has 14 years of experience in life sciences industries. As he joined biocrates in 2010, he worked for 11 years as application support specialist for biocrates’ metabolomics profiling solutions. 3 years ago he changed his position withing the company to his new function as product manager. Markus studied chemistry and graduated with a PhD in Analytical Chemistry.</p></blockquote>

Pharma conclave series 2024: Pharma (Day1)

From discovery to QA/QC. The process to bring a new treatment to the patients.

<h4><strong>Virtual event: Pharma conclave series 2024</strong></h4><p>SCIEX offers the platform for the experts to take the stage and drive technological progress</p><p><strong>Welcome to Pharma conclave series 2024</strong> – where our customers’ expertise meets innovation, transforming your knowledge and empowering you to revolutionize your work processes. Join us in discovering techniques that will enhance your skills to accelerate your daily operations in the development of new drugs.</p><p>From the research of new markers to the drug development moving into non and GLP bioanalysis. Confidently plan your next lab expansion with the knowledge gained from industry leaders and pioneers.</p><ul><li>May 16 <strong>Event 1: Pharma omics</strong></li><li>September 17 <strong>Event 2: Impurities</strong></li><li>October 23-24 <strong>Event 3: Pharma</strong></li></ul><p><strong>10:00 a.m.–12:00 p.m. CET</strong></p><h3><strong>Event 3: Pharma</strong></h3><p><strong>The pharma connection</strong></p><p>From discovery to QA/QC. All the process to bring a new treatment to the patients is following a path to connect the different stages until the magic happens.</p><p>Join to see how the scientists are generating the needed tricks to connect the initial though with the final formulation.</p><h3><strong>Day 2</strong></h3><h5><strong>10:00 - 10:30&nbsp;- Metabolomics: From target engagement to metabolic phenotyping. Applications in drug discovery</strong></h5><ul><li>Filippos Michopoulos, Astrazeneca</li></ul><h5><strong>10:30 - 11:00&nbsp;- Development of an LC-MS Method to Quantify Endogenous Urea in Mouse Plasma and BAL.</strong></h5><ul><li>Benjamin Smith, Cyprotex</li></ul><h5><strong>11:00 - 11:30&nbsp;- Optimization of extraction &amp; LC-MS conditions for the bioanalysis of antibody drug conjugates with diverse chemistries</strong></h5><ul><li>John Perkins, KCAS</li></ul><h5><strong>11:30 - 12:00&nbsp;- Preparation of rodent whole blood and plasma microsamples for LC-MS/MS bioanalysis in toxicology studies</strong></h5><ul><li>Birgitte Støvring, Scantox</li></ul><blockquote><p><strong>Presenter:</strong> Bruno Manadas, PhD</p></blockquote><blockquote><p>Dr Manadas is a prominent Cell Biology researcher at CNC-UC since 2017. With expertise in biochemistry, psychology, and biotechnology, he's authored 130+ publications and led multiple projects. As head of CNC's Mass Spectrometry node and Associate Editor for Frontiers, he's contributed significantly to neuroscience and psychiatry. Bruno's research focuses on cell biology mechanisms, translational biomarker research, and MS-based approaches for studying protein oxidation. He played a pivotal role in establishing the hospital biobank and teaches at the Portuguese Catholic University.</p></blockquote><blockquote><p><strong>Presenter:</strong> Dorte Bekker-Jensen</p></blockquote><blockquote><p>Dorte is heading the Applications Development team in Proteomics Research at Evosep. She has long-term experience within proteomics and has focused on technology development by developing simple and automated workflows for high-throughput applications.</p></blockquote><blockquote><p><strong>Presenter:</strong> Stefan Ledinger</p></blockquote><blockquote><p>Stefan has 20 years of experience in the life sciences and diagnostic industries. For the last dozen years, he has been serving various functions within biocrates life sciences ag. Most recently, he has been responsible for the market development for metabolomics solutions in the pharmaceutical and biotech industries. He currently serves as Global Head of Sales. Stefan holds degrees in business administration and bioengineering, combining commercial know-how with a passion for science.</p></blockquote><blockquote><p><strong>Presenter:</strong> Markus Langsdorf</p></blockquote><blockquote><p>Markus has 14 years of experience in life sciences industries. As he joined biocrates in 2010, he worked for 11 years as application support specialist for biocrates’ metabolomics profiling solutions. 3 years ago he changed his position withing the company to his new function as product manager. Markus studied chemistry and graduated with a PhD in Analytical Chemistry.</p></blockquote>

Pharma conclave series 2024: Pharma (Day 2)

<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>Clinical blood analysis is crucial for monitoring health and diagnosing diseases, with blood-based biomarkers playing a key role.</strong></p><p>However, current detection methods often lack sufficient coverage. Mass spectrometry-based proteomics provides a robust solution for in-depth plasma proteome analysis, but precise sample preparation is essential.</p><p>This webinar will guide you on maximizing plasma proteome coverage and optimizing sample preparation, whether using plasma or serum. Dr. König and Dr. Wendt will discuss developing an optimized, automated workflow for comprehensive plasma biomarker discovery, showcasing results from two complementary techniques: LC-MS and Olink.</p><h4>Attend this webinar to:</h4><ul><li><strong>Discover how to efficiently prepare blood-derived samples, including plasma and serum</strong></li><li><strong>Explore how to implement a fully automatable, reproducible and standardized plasma workflow with scalable throughput</strong></li><li><strong>Achieve comprehensive plasma proteome characterization, addressing the dynamic range challenge for deeper insights</strong></li><li><strong>Learn to apply LC-MS-based proteomics combined with affinity-based methods to discover novel disease biomarkers</strong></li></ul><blockquote><p><strong>Presenter: </strong>Dr. Ann-Christine König (Proteomics Core Facility Manager, Helmholtz Zentrum Munich)<br><br><strong>Presenter:&nbsp;</strong>Dr. Fabian Wendt (Product and Application Manager, Mass Spectrometry, Tecan)</p></blockquote>

Technology Networks: Unlocking the Plasma Proteome: Advanced Profiling and Biomarker Discovery

Unlocking the Plasma Proteome: Advanced Profiling and Biomarker Discovery

Maximizing plasma proteome coverage and optimizing sample preparation, whether using plasma or serum.

Unlocking the Plasma Proteome: Advanced Profiling

<p><strong>Join us as we introduce our path to visualize molecules from tissue at single cell resolution using DESI MS imaging, with the commercial DESI XS ionization source coupled to Xevo G3 QToF Mass Spectrometer.</strong></p><p>This webinar will explain how to easily transition to high resolution MS Imaging with a traditional entry level commercial DESI MS imaging toolkit.</p><h4>Learn how to:</h4><ul><li><strong>Understand High spatial resolution MS Imaging is now accessible to all labs and applications</strong></li><li><strong>Access single cell DESI Imaging with the combination of DESI XS and Xevo G3 QToF</strong></li><li><strong>Leverage both high sensitivity and high speed of acquisition with the Xevo G3 QToF without compromising MS Imaging data quality</strong></li><li><strong>Utilize HDI 1.8 Imaging software for microscope mode analysis for effective use of time in MS Imaging experiments</strong></li><li><strong>Obtain comprehensive and detailed spatial information with limited sample preparationAdd MSI analysis into a multi-modal imaging workflow with ease</strong></li></ul><blockquote><p><strong>Presenter:&nbsp;</strong>Dr Jamie Reilly (Postdoctoral Researcher, University of Galway)</p><p>Dr. Jamie Reilly is a postdoctoral researcher in NUIG Galway. Prior to joining the CELLIMAGE project, Jamie undertook his PhD in Regenerative Medicine in REMEDI, where he used bioinformatics to analyze molecular pathways in cellular and animal models of autism spectrum disorder (ASD). Jamie attended Trinity College Dublin (TCD) for his undergraduate degree in Genetics, and has a Masters in Biotechnology from Queens University Belfast.</p><p><strong>Presenter:&nbsp;</strong>Dr. Mark Towers (Principal Scientist - MS Technology, Waters)</p><p>Mark Towers gained his PhD from the University of Reading in Bioanalytical chemistry on the Development of applications and techniques for UV-Liquid-MALDI-MS. Mark joined Waters over 10 years ago into the Scientific operations team as a senior scientist, working on high resolution mass spectrometry and imaging.</p><p>Mark’s primary area of focus has been surface analysis by desorption electrospray ionisation (DESI) with over 7 years experience and matrix assisted laser desorption ionisation for over 14 years, principally but not limited to tissue sections for the detection and distribution mapping of a wide range of molecules.</p><p><strong>Presenter: </strong>Dr. Joanne Ballantyne (Director, MS Imaging program, Waters Corporation)</p><p>Joanne completed a PhD in Mass Spectrometry at UMIST in Manchester 2002, in collaboration with UK Ministry of Defence's Science and Technology Lab (Dstl). This was followed by a post-doc at NIH in Bethesda, USA, working in OMICS for the NIMH. After returning to the UK, and time as a MALDI applications chemist at Shimadzu Biotech, Joanne joined Waters Corporation in 2007 as a member of the OMICS Application team in Manchester and progressed to managing the team. Following this Joanne spent a number of years in Business Development and Field Marketing for discovery applications in the Northern European region. At the end of 2018 Joanne joined the Product Management group with responsibility for the SYNAPT and MS Imaging technologies. After gaining ILM7 accreditation in strategic leadership, Joanne is now Director of the MS Imaging program.</p></blockquote>

Waters Corporation: Towards Single Cell Imaging Session 1

Towards Single Cell Imaging Session 1

How to easily transition to high resolution MS Imaging with a traditional entry level commercial DESI MS imaging toolkit.

<p><strong>This session will provide a comprehensive introduction to the user interface, ensuring you can navigate with ease. Discover the various acquisition modes available and learn how to select the best one for your specific application.</strong></p><p>Additionally, we will explore the innovative Intelligent Reflex feature, highlighting its benefits in boosting your productivity.</p><p>Whether you’re new to MassHunter or looking to refine your skills, this webinar is designed to enhance your understanding and efficiency.</p><blockquote><p><strong>Presenter:</strong> Christian Hegmanns (Application Specialist LC/MS, Agilent Technologies, Waldbronn, Germany)</p><p>Christian Hegmanns is a state-certified food chemist and works at Agilent as an LC/MS application specialist.</p><p>With over 10 years of experience in the field of instrumental analysis, Christian develops customer-oriented solutions for a variety of applications with a focus on food analysis.</p></blockquote>

Agilent Technologies: MassHunter Masterclass Months

MassHunter Acquisition Q-TOF Part I – Basic Overview

Join us for an insightful webinar where we delve into the essentials of MassHunter Acquisition Q-TOF. 

<p><strong>This webinar will guide you through optimizing your Q-TOF for superior data quality by selecting the most suitable tune mode for your samples.</strong></p><p>We will delve into various MS acquisition modes, including MS only, All Ions (QRAI), Auto MS/MS (directed MS/MS; targeted MS/MS), and PRM mode.</p><p>Learn how to fine-tune method settings to enhance your data quality and achieve the best analytical results. Whether you’re a seasoned user or new to QTOF, this session will provide valuable insights to elevate your mass spectrometry.</p><blockquote><p><strong>Presenter:</strong> &nbsp;Stefan Schaebler (Application Specialist LC/MS, Agilent Technologies)</p><p>Stefan completed his PhD in Biology, specializing in LC-MS-based lipidomics and metabolomics. Following his doctoral studies, he joined Agilent Technologies as an LC/MS Application Specialist. In this role, Stefan focuses on small molecule applications using LC-QTOF, with a strong emphasis on software tools and data interpretation.</p></blockquote>

MassHunter Acquisition Q-TOF Part II – Advance Settings

Join us for an in-depth exploration of advanced settings in MassHunter Acquisition for Q-TOF systems.

<div><div><p><strong>Therapeutic synthetic oligonucleotides represent unique analytical challenges in late-stage development. To meet the stringent regulatory requirements, highly specific and sensitive methods such as liquid chromatography-mass spectrometry (LC/MS) must be used. However, neither chromatography nor mass spectrometry data systems have the capabilities, both in function and in data integrity, for the typical QC analyst end user to run a highly complex method such as purity, assay, and impurity profiling for therapeutic oligos such as anti-sense oligonucleotides.</strong></p><p>In this presentation, we present a paradigm shift in software with Oligo Analysis Accelerator for OpenLab CDS. This application streamlines the analytical workflow by using a fit-for-purpose user interface while leveraging existing data integrity and compliance architecture within OpenLab CDS.</p><h4>By attending this webinar, you will:</h4><ul><li><strong>Understand the fundamentals of ion-pair reversed-phase LC/MS for oligonucleotides</strong></li><li><strong>Discover how a single quadrupole detector is used for impurity profiling of anti-sense oligonucleotides</strong></li><li><strong>Learn how fit-for-purpose software for LC/MS analysis in QC lot release can save time and enhance quality</strong></li></ul><h5>Who should attend</h5><ul><li>Analytical chemists interested in cutting-edge software for large molecule late-stage development</li><li>Analytical research and development labs interested in developing robust methods for single-stranded oligo therapeutics</li><li>Process scientists who rely on in-process control purity results to optimize synthesis and purification for oligos</li><li>Quality assurance and quality control personnel supporting oligo testing labs</li></ul><blockquote><p><strong>Presenter:</strong> Brian Rivera (Software Product Manager, Agilent Technologies)</p><p>Brian Rivera is a software product manager at Agilent Technologies with 20 years of experience in HPLC analysis of large molecules.</p></blockquote></div></div>

Separation Sciences: Boost Efficiency in Oligonucleotide QC with Software Designed for the Job

Boost Efficiency in Oligonucleotide QC with Software Designed for the Job

In this presentation, we present a paradigm shift in software with Oligo Analysis Accelerator for OpenLab CDS.

Oligonucleotide QC with Software Designed for the Job

<p id="isPasted"><strong>Biotherapeutics offer targeted therapies for treating a wide range of diseases with greater specificity and efficacy. However, unlike traditional small-molecule drugs, biotherapeutics are typically larger and more complex, requiring advanced techniques for their production, purification, and characterization.</strong></p><p>Therapeutic proteins, first introduced many years ago, have continually advanced in complexity. Since the introduction of monoclonal antibodies, we now have antibody drug conjugates, bispecific antibodies, fragments and fusion proteins, all of which are in various stages of development.&nbsp;</p><p>To keep pace with biotherapeutics advances, analytical techniques must also advance.&nbsp;</p><h5><strong>In this webinar, we will present chromatography findings on:</strong></h5><ul><li><strong>New workflows for intact and peptide mapping characterization of proteins</strong></li><li><strong>Advanced column chemistries for charge variant analysis with pH and salt gradients&nbsp;</strong></li><li><strong>Rapid desalting SEC column for high throughput analysis, ADC analysis with HIC and reversed phase chemistries</strong></li><li><strong>New digestion workflows coupled to a new peptide mapping column for sequence verification and post translation modification analysis</strong></li></ul><p>This live webinar will be an excellent opportunity to boost your R&amp;D capabilities and strengthen your QC analytical methods for the characterization of biotherapeutics and gene therapies. Dr. Ken Cook will be presenting and answering your questions live.</p><p>With over 20 years of innovation, Thermo Fisher Scientific is a leader in biomolecule separation and characterization, supported by a wealth of published research.</p><p id="isPasted"><strong fr-original-style="">Who should attend?&nbsp;</strong></p><ul><li><strong fr-original-style="">Pharmaceutical and Biotech Researchers</strong>: Researchers involved in the development and characterization of biotherapeutics and gene therapies, including those working with therapeutic proteins.</li><li><strong fr-original-style="">Quality Control (QC) Analysts</strong>: Analysts responsible for ensuring the quality and consistency of biotherapeutic products, who will benefit from advanced methods in characterization and validation.</li><li>&nbsp;<strong fr-original-style="">R&amp;D Managers</strong>: Managers who oversee research and development teams working with biotherapeutics, looking to enhance their workflows and methodologies.</li></ul><blockquote><p><strong>Presenter:</strong> Dr. Ken Cook (Application Scientists Manager, Thermo Fisher Scientific)</p><p>Dr. Ken Cook began his career in academia as a Biochemistry lecturer focused on protein chemistry and metabolism. With over 30 years of industry experience at Dionex, and later Thermo Fisher Scientific, his vast knowledge supporting and developing solutions within chromatography has established him as a bio-separations expert.</p><p>Currently, Dr. Cook focuses on supporting and developing solutions for bio-pharmaceutical applications, particularly in the characterization of protein and oligonucleotide-based biotherapeutics. His work involves ongoing collaborations with both the biopharmaceutical industry and academic institutions.</p><p>His expertise includes peptide mapping using LC/HRMS, charged variant analysis with novel MS coupling, glycan analysis, aggregate analysis, and on-line process monitoring. He also has a growing interest and notable success in gene therapy characterization.</p><p>Given his immense experience, it is an honour to have Dr Cook share his knowledge.</p></blockquote>

Thermo Fisher Scientific: Innovations in Protein Characterization

Innovations in Protein Characterization

Boost your R&D capabilities and strengthen your QC analytical methods for the characterization of biotherapeutics and gene therapies.

<div><div><div><p><strong>Alithea Biotechnology was founded in 2019 by Fanny Giannou and Tim Fugmann to support Biopharma globally on the development of innovative therapies targeting HLA-presented peptides. Alithea has a significant track record in the absolute quantification of HLA peptides, off-target toxicity predictions and target discovery.</strong></p><p>In addition, HLA-Compass is Alithea's cloud-accessible HLA peptide database featuring the measurement of a total of 1.4 Million HLA peptides in 4160 healthy tissue, tumor tissue and cancer cell line samples for target validation and off-target toxicity prediction.</p><h5><strong>Why to join this webinar:</strong></h5><ul><li><strong>The timsTOF Ultra can lead to high quality immunopeptidomes from limited sample</strong></li><li><strong>Extensive HLA databases can significantly speed up the T-Cell-Receptor therapy development process</strong></li><li><strong>The time is ripe to bring immunopeptidomics into clinical routine</strong></li></ul><blockquote><p><strong>Presenter:</strong> Tim Fugmann, Ph.D. (Chief Scientific Officer and Co-Founder, Alithea Biotechnology GmbH, Berlin, Germany)</p><p>Tim Fugmann got his Ph.D. from ETH Zurich, on mass-spectrometric discovery of antibody targets and disease biomarkers. Later, he was leading the target discovery efforts at Philochem, before moving to the Max-Delbrueck-Centrum for Molecular Medicine in Berlin. He was later appointed professor for MS-based proteomics at JLU Giessen. In 2019 he co-founded Alithea Bio UG, which is focusing on immunopeptidomics, a topic which Tim Fugmann studied since 2012.</p></blockquote></div></div></div>

Bruker: Unlocking the full potential of immunopeptidomics with the timsTOF Ultra

Unlocking the full potential of immunopeptidomics with the timsTOF Ultra

Alithea has a significant track record in the absolute quantification of HLA peptides, off-target toxicity predictions and target discovery.

LCMS webinars focusing on LC/HRMS - page 24