<div>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.</div><div><div><div><div><h3>What is Protein Purification?</h3>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.This process is especially vital in biotechnological areas inside immunology and microbiology. In immunology, 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 microbiology, 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.</div></div></div></div><div><div><div><div><h3>Types of Protein Purification Methods</h3></div></div></div></div><div>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:</div><div><div><div><div><h4>Non-Chromatographic Approaches</h4></div></div><div>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.<h5>Precipitation Techniques</h5>Protein precipitation is a widely used approach in purification workflows, typically relying on one of three main methods:<ul><li>Organic solvent precipitation 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>Isoelectric point precipitation 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>Nonionic polymer precipitation 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>Dialysis</h5>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.<h5>Immunocapture (Magnetic Bead-Based Purification</h5>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:<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>Magnetic beads offer speed, ease of use, and minimal sample loss, making them ideal for lab-scale workflows.<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.<h5>Centrifugation</h5>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.Preparative Ultracentrifugation 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.Differential Centrifugation 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.Rate-zonal Gradient Centrifugation 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.Isopycnic Centrifugation (Equilibrium Centrifugation) 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.</div></div></div><div><div><div><div><h4>Chromatographic Approaches</h4>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.<h5>Ion Exchange Chromatography</h5><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.<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;<ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1526">Luna SCX </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">Biozen WCX</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>Size Exclusion Chromatography</h5><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.Phenomenex offers a range of Biozen columns for SEC separations. In the case of mAbs, <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1534">Biozen dSEC-2</a> and<a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1537"> Biozen dSEC-7 </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.For more general applications, <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1533">Biozen SEC-2</a> and <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1532">Biozen SEC-3</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.<h5>Reversed-Phase Chromatography</h5><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.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.<h5>Hydroxyapatite Chromatography</h5>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.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.<h5>Hydrophobic Interaction Chromatography</h5>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.<h5>Affinity Chromatography</h5>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.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.</div></div></div></div>

Exploring Protein Purification Methods: Essential Techniques for Accurate Results

<h3>A Practical Guide to Getting the Most from Syringe Filters: Tips, Tricks, and Common Pitfalls</h3>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.<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"><h4>1. Improper Filter Handling</h4>Using excessive force during filtration or attempting to reuse disposable syringe filters can damage the membrane and increase the risk of sample contamination.<ul><li>Solution: 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.</li></ul><h4>2. Selecting an Inappropriate Pore Size</h4>Using the wrong pore size may either fail to remove unwanted particles or cause the membrane to clog prematurely, reducing filtration efficiency.<ul><li>Solution: 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.</li></ul><h4>3. Choosing the Wrong Membrane Material</h4>Different membrane materials exhibit different chemical resistance. Using an incompatible membrane may lead to degradation of the filter, sample contamination, or complete filtration failure.<ul><li>Solution: 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.</li><li>Pro Tip: For additional guidance, see our blog article "How to Choose the Right Membrane for your Syringe Filter", which provides a detailed comparison of membrane materials and their recommended applications.</li></ul><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"><h4>4. Ignoring Filter Capacity</h4>Using a filter with insufficient capacity can result in rapid membrane blockage, increasing filtration time and reducing laboratory productivity.<ul><li>Solution: 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.</li></ul><h4>5. Overlooking Sample Adsorption</h4>Certain membrane materials may adsorb analytes of interest, leading to lower recoveries and potentially affecting quantitative results.<ul><li>Solution: 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.</li></ul><h4>6. Failing to Optimize Filtration Performance</h4>Slow filtration is more than just an inconvenience—it often indicates that the filtration conditions are not optimal.<ul><li>Solution: 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.</li></ul><h4>Final Thoughts</h4>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.With the right syringe filter and proper filtration technique, you can minimize sample preparation problems and maximize confidence in every analysis.<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">Happy filtering!

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

Agilent Technologies

SCIEX

Waters Corporation

<h3>Solving Problems That Matter - a Waters webinar series featuring USP speakers</h3>
<h4>Episode 3: Enhanced Method Development</h4>
Summary
Enhanced method development is a science and risk-based approach to analytical procedure development that leverages QbD principles and “starts with the end in mind”. Our panelists Amanda Guiraldelli from the USP and Richard Verseput form S-Matrix will share their insights on approaches outlined in the ICH Q14 quality guidelines and USP general chapter &lt;1220&gt;. 
Key learning objectives:
<ul>
<li>Discover the benefits of the enhanced method development approach</li>
<li>Learn how to implement analytical QbD approaches in your lab</li>
</ul>
Who should attend:
Pharma scientists involved with analytical LC method development
<blockquote>
Presenter: Amanda Guiraldelli, Ph.D. (Scientific Affairs Manager, U.S. Pharmacopoeia)
</blockquote>
<blockquote>
Amanda Guiraldelli has been with USP since 2012 and holds the position of scientific affairs manager and principle scientist in the compendial science group-general chapters. She also serves as scientific liaison for the USP Measurement and Data Quality Expert Committee, where she works to develop and revise USP standards related to analytical procedure lifecycle/validation. Previously, Amanda worked as senior scientist at the USP reference standard laboratory for 8 years with characterization of compendial standards. She is visiting professor at the Institute of Chemistry at the University of Campinas (UNICAMP) in Brazil and is a frequent speaker and instructor on topics related to analytical procedure life cycle, Analytical Quality by Design (AQbD) and Chromatography. Amanda is specialist in mass spectrometry, chromatography, omics and chemometrics and has more than 15 years of experience in pharmaceutical R&amp;D areas. Prior to joining USP, she was R&amp;D scientist in a brazilian pharmaceutical industry and visiting scientist at TU Berlin in Germany and Leiden University in Netherlands (Center for Proteomics and Metabolomics) working on proteins characterization by LC-HRMS and procedure development using UHPLC-HRMS. Amanda is graduated in pharmacy biochemistry and holds a Ph.D. in analytical chemistry from the FCFRP - University of São Paulo (metabolomics by UHPLC-HRMS, GC-MS and 1H NMR and chemometrics).
</blockquote>
<blockquote>
Presenter: Richard Verseput (President, S-Matrix)
</blockquote>
<blockquote>
Richard Verseput has over 30 years of experience applying QbD tools and methods in multiple industries. For the last 18 years he has worked with analytical instrument manufacturers, regulatory agencies, and global pharma customers to develop and advance automated QbD experimentation. Richard Verseput is currently president of S-Matrix – the developer of Fusion QbD® – a regulatory compliance supporting software platform which automates QbD experimentation, peak tracking, and chromatography data modeling for the successful development, validation, and transfer of LC and LC-MS methods.
</blockquote>
<blockquote>
Moderated by: Isabelle Vu Trieu (Pharmaceutical Market Development Manager, Americas, Waters Corporation)
</blockquote>
<blockquote>
Isabelle is a business development professional dedicated to delivering benefits to analytical scientists in the life sciences industry. With over 20 years of experience in providing chromatography and mass spectrometry solutions, Isabelle is particularly interested in helping pharmaceutical scientists achieve the data quality and integrity needed to drive decisions for drug quality, safety and efficacy. Isabelle joined Waters in 2009 and currently manages the development of the pharmaceutical market in the Americas. She holds Masters’ degrees in Chemistry from Columbia University and the University Claude Bernard in Lyon, France as well as a Chemical Engineering degree from Ecole Supérieure de Chimie Physique Electronique in Lyon, France.
</blockquote>

Waters Corporation: Solving Problems That Matter - a Waters webinar series featuring USP speakers

Enhanced Method Development

Solving Problems That Matter - a Waters webinar series featuring USP speakers. Episode 3: Enhanced Method Development.

<h3>Solving Problems That Matter - a Waters webinar series featuring USP speakers</h3>
<h3>Episode 4: aQbD for OTC products</h3>
Summary
Analyzing over-the-counter formulations can be overwhelming due to the wide range of APIs and excipients used in varying concentrations. These excipients can cause problematic matrix effects and coelutions, making the analysis of formulations complex. Our panelists will discuss how to leverage aQbD software to develop a single chromatographic method suitable to analyze multiple APIs in a variety of formulations.
Key learning objective:
Learn how to leverage aQbD tools to develop a single method suitable for a variety of OTC formulations.
Who sould attend:
Pharmaceutical method developers 
<blockquote>
Presenter: Fadi Alkhateeb (Principle Scientist, Waters Corporations)
</blockquote>
<blockquote>
Dr. Fadi Alkhateeb is a Senior Scientist in the Scientific Operations Department at WatersCorporation HQ in Milford, MA USA. He joined Waters in 2017 and since then he has beenmainly focusing on exploring various approaches for analytical method development forpharmaceutical drugs. Prior to joining Waters, he was a postdoctoral fellow at the University ofCalgary (Calgary, AB, Canada), where he did research at Alberta Sulphur Research, one ofNorth America&#39;s leading Sulphur research institutes. He received his PhD from the University ofCalgary, focusing on the development of novel, rapid separation and sample preparationtechniques for the analysis of a wide range of chemical compounds. Dr. Alkhateeb publishedseveral peer-reviewed articles in top analytical journals.​
</blockquote>
<blockquote>
Moderated by: Isabelle Vu Trieu (Pharmaceutical Market Development Manager, Americas, Waters Corporation)
</blockquote>
<blockquote>
Isabelle is a business development professional dedicated to delivering benefits to analytical scientists in the life sciences industry. With over 20 years of experience in providing chromatography and mass spectrometry solutions, Isabelle is particularly interested in helping pharmaceutical scientists achieve the data quality and integrity needed to drive decisions for drug quality, safety and efficacy. Isabelle joined Waters in 2009 and currently manages the development of the pharmaceutical market in the Americas. She holds Masters’ degrees in Chemistry from Columbia University and the University Claude Bernard in Lyon, France as well as a Chemical Engineering degree from Ecole Supérieure de Chimie Physique Electronique in Lyon, France.
</blockquote>

aQbD for OTC products

Solving Problems That Matter - a Waters webinar series featuring USP speakers. Episode 4: aQbD for OTC products.

PhenoAcademy Webinars
 Liquid Chromatography Series
<h4>HPLC Troubleshooting</h4>
<ul>
<li>Learn how to prevent and minimize your LC problems before they occur</li>
<li>Understand how to approach problem solving and troubleshooting in a logical way, including: diagnose cause and possible solutions</li>
<li>Review peak shape, and column performance problems</li>
</ul>
<blockquote>
Presenter: Kevin Zhao (Senior Technical Specialist)
</blockquote>
<blockquote>
Kevin Zhao is the Senior Technical Specialist with Phenomenex and has 5 years of experience in biochemistry research; 4 years of Protein/Cancer research with CSULA-City of Hope Cancer Collaborative and over 9 years in Phenomenex. Mr. Zhao is a member of a global Technical Support Team which includes providing problem-solving, troubleshooting, and applications assistance for customers worldwide in the fields of chromatography (liquid and gas) and sample preparation, and also handling Industries supported include – pharmaceutical and biopharmaceutical, clinical research and clinical toxicology, food safety, environmental, fuels and specialty chemicals. Mr. Zhao received his B.S. in Biology at the California State Polytechnic University, Pomona. earned his M.S. in Biochemistry at California State University, Los Angeles, and also earned a MBA at the University of the Incarnate Word.
</blockquote>
<blockquote>
Presenter: Koen Askamp (Technical Specialist)
</blockquote>
<blockquote>
Koen is from the Netherlands, studied Molecular Life Sciences at Wageningen University (Netherlands), majoring in immunology. Analytical Chemistry was one of my favorite courses – who doesn’t love solving puzzles?
</blockquote>
<blockquote>
I like drumming, scuba diving, motorcycle-riding, and this past winter I learned how to ski (a little)!
</blockquote>
<blockquote>
Presenter: Namrata Saxena (Technical Manager)
</blockquote>
<blockquote>
Namrata Saxena is a Technical Manager - Asia/Pacific” with Phenomenex and is based in Sydney, Australia. She has a post graduate degree with a specialization in Analytical Chemistry, with extensive experience in the Liquid chromatography domain, and her current focus is in Omics and Biologics field. 
</blockquote>
<blockquote>
Before joining Phenomenex she had worked as “Product Specialist” and spent several years in column chemistry, column manufacturing and method development in the application and manufacturing labs of Bischoff Chromatography, Germany. 
</blockquote>
<blockquote>
In her current role, she provides product selection, method development, training and troubleshooting support to customers as well as Phenomenex Sales Consultants globally. 
</blockquote>

Phenomenex: PhenoAcademy Webinars - Liquid Chromatography Series

HPLC Troubleshooting

Learn how to prevent and minimize your LC problems before they occur.

The science of elemental speciation is rapidly gaining traction, underscoring its critical role in safeguarding public health and ensuring regulatory compliance in food safety. Elemental speciation involves the precise identification and quantification of different chemical forms of elements within food substances, a practice that has profound implications for understanding the nutritional value, toxicity, and bioavailability of elements in our diet. As global food regulations evolve and consumer awareness heightens, the demand for rigorous and sophisticated analytical approaches in food testing has never been more acute.
This webinar is structured across two segments, each designed to provide an in-depth perspective on the multifaceted dimensions of food speciation analysis.
What You&#39;ll Learn:
<ul>
<li>An in-depth understanding of the current regulatory framework surrounding food speciation and its implications for the food industry.</li>
<li>The emerging challenges in food sample speciation and the comprehensive strategies developed to tackle these issues effectively.</li>
<li>A thorough exploration of Agilent&#39;s technological advancements, focusing on how HPLC and ICP-MS systems are being leveraged to set new standards in food safety analysis.</li>
<li>Insightful case studies highlighting real-world applications of advanced speciation techniques and their impact on ensuring food safety and regulatory compliance.</li>
</ul>
Who Should Attend:
<ul>
<li>Food Scientists and Technologists keen on updating their knowledge on the latest trends and technologies in food speciation.</li>
<li>Regulatory Affairs Specialists looking for a clearer understanding of current and upcoming regulatory requirements.</li>
<li>Quality Assurance and Quality Control Personnel aspiring to enhance their methodologies and compliance strategies in food safety.</li>
<li>Laboratory Managers and Analysts seeking to advance their technical skills and analytical capabilities in food testing.</li>
<li>Research Scientists and Academics aiming to deepen their research and teaching in the domain of food safety and analysis.</li>
</ul>
<blockquote>
Presenter: Ms. Jyoti Sindhu (Assistant Director - Lab and Business Unit Manager, Eurofins Analytical Services India Pvt. Ltd.)
</blockquote>
<blockquote>
Ms. Jyoti brings over 17 years of expertise in food safety, contaminants analysis, and quality assurance. Holding an M.Sc. in Food Technology, she has a robust background in elemental analysis, underpinning her commitment to ensuring food safety and managing contaminants through rigorous quality testing. Her skills extend beyond the laboratory, encompassing global client management, regulatory compliance, and a thorough understanding of ISO 17025:2017 standards. Currently, she is making significant contributions to the field as the Business Unit Head for Eurofins Analytical Services India, located in Bangalore, India.
</blockquote>
<blockquote>
Presenter: Dr. Vinay Jain (Food Workflows Commercialization Lead, Agilent Technologies International Pvt. Ltd.)
</blockquote>
<blockquote>
Dr. Vinay Jain is working as the CoE Manager and Country Food Workflow Commercialization Lead at Agilent Technologies International. He holds a Ph.D. in Analytical Chemistry and has more than 33 years of analytical and research experience in spectroscopic and mass spectrometry techniques. His specialization includes the development and validation of new analytical methods in accordance with regulatory guidelines. He has completed over 28 research projects with various national and international research and regulatory organizations. He holds two patents, has published 59 research papers, contributed two chapters to international handbooks, and authored 15 Agilent application notes. He received the Agilent TechInnovation Award in 2020 and 2022 for providing end-to-end workflow solutions. One of his innovations on LC-ICPMS was selected for the Winter Plasma Conference, and two were selected for the European Winter Plasma Conference for poster presentations.
</blockquote>

Agilent: Enhancing Food Safety through Advanced Speciation Analysis

Enhancing Food Safety through Advanced Speciation Analysis

This webinar provides an in-depth perspective on the multifaceted dimensions of food speciation analysis.

Light scattering techniques deliver multi-attribute quantification (MAQ) of mRNA and lipid nanoparticle-formulated mRNA and can play a key role in product and process development as well as quality control of mRNA-LNP therapeutics. Specifically, multi-angle light scattering (MALS) coupled to separation by field-flow fractionation (FFF) or size-exclusion chromatography (SEC) provides high-resolution quantification of several mRNA and LNP attributes including size distribution, physical stability, LNP number concentration, morphology, and mRNA and lipid concentration.
The method can also be applied to evaluate how these attributes are affected by preparation, formulation, and storage conditions. In addition to high-resolution MAQ by SEC/FFF-MALS, dynamic light scattering (DLS) and electrophoretic light scattering (ELS) can be used for rapid, automatable batch measurements of particle size and concentration, polydispersity, and zeta potential, enabling rapid screening of the impact of different ions, ionic strength, pH, temperature and other parameters on the biophysical properties and stability of mRNA and LNP-mRNA.
Learning Objectives:
<ul>
<li>How to bring multi-attribute quantification to LNP and mRNA characterization
</li>
<li>Considerations for technology selection for LNP and mRNA
</li>
<li>What rapid screening light scattering techniques exists today for LNP and mRNA formulation optimization
</li>
</ul>
<blockquote>
Presenter: Martin Kurnik, Ph.D. (Application Scientist, Analytical Sciences, Waters/Wyatt Technology)
</blockquote>
<blockquote>
Martin Kurnik joined the Analytical Sciences team at Waters | Wyatt Technology in 2021, where he helps customers identify and develop the best solutions for their analytical needs. As an application scientist, Martin leverages his expertise in multi-angle light scattering and dynamic light scattering as well as a wide range of other leading techniques for biomolecular characterization. His postdoctoral research in protein folding and misfolding biophysics focused on understanding and preventing misfolding in bulk solution and on artificial surfaces used in medicine and biotechnology, and he has also developed protein- and aptamer-based electrochemical biosensors for continuous real-time measurements in vitro and in vivo. Martin received his M.Sc. in Chemistry and Ph.D. in Biochemistry from Stockholm University, Sweden.
</blockquote>

Waters: Light scattering solutions for multi-attribute quantification of mRNA-lipid nanoparticle therapeutics

Light scattering solutions for multi-attribute quantification of mRNA-lipid nanoparticle therapeutics

Light scattering techniques enhance LNP and mRNA characterization by quantifying attributes. Consider technology selection and explore rapid screening methods.

Light scattering techniques enhance mRNA quantification

As health-conscious consumers seek beverages that blend well-being and taste, functional beverages have emerged as a compelling choice. These specialized drinks are meticulously formulated to deliver targeted health benefits, often leveraging bioactive compounds like vitamins, antioxidants, and natural products. Moreover, the inclusion of natural sweeteners such as stevia not only enriches flavor but also augments nutritional value, making delicious and healthier products possible.
However, the dynamic landscape of the functional beverage sector presents a series of analytical challenges for manufacturers, ingredient suppliers, and testing laboratories. Ensuring product quality and regulatory compliance demands precise, reliable detection and quantification of key components such as vitamin B complexes and steviol glycosides. While traditional analytical methods have enabled market innovation and grow, modern liquid chromatography technologies can reduce time-to-result and increase measurement accuracy in complex samples. These analytical advancements can reduce cost, speed up product release, and strengthen consumer trust.
Join us for an insightful and engaging webinar to explore how Waters HPLC innovations can revolutionize your functional beverage analysis, ensuring your products stand out in a competitive market. Here’s what we’ll cover:
<ul>
<li>Vitamin B: We will navigate the complex landscape of B-group vitamins, addressing the potential adsorption issues due to their phosphate groups, which can adversely affect peak shapes and accuracy of chromatographic results. We understand the significance of precise product labeling, and we are dedicated to providing tools to help you meet in-house and regulatory standards.
</li>
<li>Steviol Glycosides: With guidance from the latest FAO/WHO JECFA Monograph 26 (2021), we are thrilled to present our improvement in the analysis of steviol glycosides. Our recent work has led to improved chromatographic resolution, paving the way for dependable quantification and adherence to regulatory benchmarks.
</li>
<li>MaxPeak High Performance Surfaces (HPS) Technology: Learn how our cutting-edge separation science technology helps to mitigate issues due to metal interactions and improve chromatography for various food applications.
</li>
</ul>
Whether you are developing new beverages or ensuring the quality of your current products, this session will provide you with the strategies and technologies to thrive in a dynamic and competitive market. Engage with our experts, participate in our live Q&amp;A, and take the first step towards overcoming your analytical challenges.
<blockquote>
Presenter: Jinchuan Yang, PhD (Principal Scientist, QA/QC, Waters Corporation)
</blockquote>
<blockquote>
Dr. Jinchuan Yang is a Principal Scientist Waters Corporation, and a subject matter expert in food and environmental applications, polymer chromatography, and LC and MS technologies. Since he joined Waters in 2002, his roles at Waters have mainly focused on application development, market development, and support for R&amp;D and training. He is an active participant in technical stakeholder groups at AOAC International and USP, serving as an expert panel member in AOAC SPIFAN and participating in review, recommendation and muti-lab testing of AOAC methods.
</blockquote>

Waters Corporation: Functional Beverages – Leveraging Analytical Innovations to Overcome Chromatographic Challenges

Functional Beverages – Leveraging Analytical Innovations to Overcome Chromatographic Challenges

Discover how Waters HPLC innovations can transform your functional beverage analysis, setting your products apart in a competitive market.

Functional Beverages – Leveraging Analytical Innovations 

<h4>Facing Challenges in Your Liquid Chromatography Workflow?</h4>
How do you tackle peak shape issues, pressure fluctuations, or retention time inconsistencies? Where do you turn for insights on method optimization or lab workflow management? If these challenges sound familiar, our upcoming session is your opportunity to find answers.
This exclusive session, led by a panel of seasoned Agilent LC experts, is designed to address the hurdles you face in your LC workflows. Get actionable insights, practical tips, and proven strategies to not only overcome these obstacles but to significantly enhance your workflow&#39;s efficiency. 
No challenge is too big or small for our discussion. Our goal is to give you the answers you need. 
When registering, you&#39;re invited to submit your burning questions and specific challenges, ensuring that our panel addresses what matters the most to you and provides tailored solutions. 
Why Attend?
<ul>
<li>Engage with Experts: Your chance to ask questions and get answers from leading Agilent LC experts</li>
<li>Exclusive Rewards: Receive a special promo code for LC Columns, a certificate of attendance, and an LC Workflow Resource Kit, filled with tools, guides, and application notes</li>
<li>Professional Growth: This session isn&#39;t just about solving today&#39;s problems; it&#39;s about equipping you for tomorrow&#39;s successes, reaffirming your commitment to staying at the forefront of analytical science</li>
</ul>
Don’t let workflow challenges slow you down.
<blockquote>
Presenter: Mr. Sunil B Lakhmapure (Technical Support Specialist, Agilent Technologies)
</blockquote>
<blockquote>
Sunil holds 19 year plus experience in the analytical field with major exposure to LC/GC with Single Quad, Triple Quad and high resolution (QToF) mass spectroscopy. Started career in Pharma R&amp;D as a scientist with hands on experience on high end instruments like LC/MS, XRD &amp; NMR. Developed &amp; published application notes using Chromatographic techniques on real world samples/issues at various levels.
</blockquote>
<blockquote>
Presenter: Ms. Sreelakshmy Menon (Application Scientist, Agilent Technologies)
</blockquote>
<blockquote>
Sreelakshmy is working as an Application Specialist, at Agilent Technologies for the past 11 years. She has experience in working with Analytical techniques such as HPLC, UHPLC, CE, SFC, Method development solutions etc. Her primary interest is in developing liquid chromatography application solutions focusing on AQbD approach concentrating on pharma and biopharma workflows. To her credit she holds around12 publications on innovative Liquid Chromatographic solutions.
</blockquote>
<blockquote>
Presenter: Mr. Pintu Nandasana (Application Engineer, Solution Support Division, Agilent Techologies India)
</blockquote>
<blockquote>
Pintu Nandasana is working as Application Engineer at Agilent Technologies India from last 11 years. Education background, He has completed master’s in pharmacy. Currently as a Field System Specialist, he is supporting all PL29 products like LC, LCMS, GPC, 2D-LC, Preparative LC &amp; Method development solutions.
</blockquote>
<blockquote>
Presenter: Mr. Shreyas Tribhuvane (Business Development Manager, LC Columns, Agilent Technologies)
</blockquote>
<blockquote>
Shreyas has 10 years experience in working closely with biopharma customers in understanding their analytical characterization needs. As a BDM for Biocolumns and Glycan kits his prime responsibility is to work on the Biopharma market needs and communicate with Agilent solutions unit team in order to have apt solutions. He has a hands-on experience on Agilent Glycan sample prep kits and helped customers in setting up these kits for their glycan characterization work.
</blockquote>

Agilent: Decoding LC: Navigating Workflow Challenges

Decoding LC: Navigating Workflow Challenges

Insights, tips, and proven strategies to not only overcome obstacles but to significantly enhance your workflow's efficiency.

<h4>LC-MS/MS fundamentals webinar series 2.0</h4>
Advanced techniques for data acquisition and processing
Elevate your analytical expertise with advanced techniques and workflows
Sharpen your data acquisition and processing skills with our LC-MS/MS 2.0 webinar series. Based on our LC-MS/MS 1.0 webinar series, these sessions will go beyond the fundamentals of LC-MS/MS and introduce ways to advance your analytical methods and data processing workflows.
Every other week, we will explore how to optimize SCIEX OS software with short, 30-minute expert-led presentations.
<h4>This webinar:</h4>
June 4, 2024 11:00 a.m. - 11:30 a.m. CET - Mastering chromatography
Discover how to optimize your chromatography for even the most challenging compounds while creating and building LC methods.
<h4>Other webinars from the series:</h4>
May 7, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.cz/webinar/3820">Beyond the fundamentals</a>
May 21, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.labrulez.com/webinar/3852">Advanced MS/MS method building</a>
Gain insight into advanced features for maximizing sensitivity in your mass spectrometry analyses.
June 18, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.labrulez.com/webinar/3854">It&#39;s a TRAP! Getting the most out of your QTRAP system</a>
Learn when to utilize QTRAP functionality to create more selective and sensitive methods.
July 2, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.labrulez.com/webinar/3855">Troubleshooting at the source</a>
Acquire the knowledge needed to optimize source parameters and identify and resolve ionization-related problems.
July 16, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.labrulez.com/webinar/3856">Automating data processing</a>
Learn how to automate your data processing with custom flagging and rules for efficient data review in SCIEX OS software.
July 30, 2024 11:00 a.m. - 11:30 a.m. CET - <a href="https://lcms.labrulez.com/webinar/3857">Excel strategies for mass spectrometry data analysis</a> Take an in-depth look at when and how to use Excel to increase your productivity.

SCIEX: LC-MS/MS fundamentals webinar series 2.0

Mastering chromatography

Sharpen your data acquisition and processing skills with our LC-MS/MS 2.0 webinar series.

The successful regulatory filing of any pharmaceutical product development dossier relies on scientific and rational way of analytical method development.
There are many analytical development strategies which can be followed like “Traditional” or “Enhanced approach”. Enhanced Approach as stated by ICH, or DoE based Quality-by-Design (QbD) approach are one of such method development strategies which will be discussed in webinar. These approaches are now part of regulations across USP, ICH and USFDA. We will also discuss the different concepts like ATP, Lifecycle Management, Risk Assessment etc. Join us for this webinar to understand different guidelines related to analytical development and how can you adopt QbD or Enhanced approach in the analytical method development.
<blockquote>
Presenter: Manu Grover (Business Development Manager – Pharma Markets, Agilent Technologies, Inc.)
</blockquote>
<blockquote>
Manu Grover holds a postgraduate degree in Pharmacy from Manipal Academy, India. He has more than 21 years of chromatography experience and has worked in pharmaceuticals to support IND, NDA, and ANDA filings incompanies such as Dr. Reddy&#39;s, Panacea Biotec, and Ozone Pharmaceuticals. During his professional journey, he has developed and validated analytical methods on HPLC, GC, particle sizing, DSC, pXRD, and LC/MS instruments, as well as successfully filing multiple analytical dossiers in U.S./EU markets. In his current role, he works closely with the Agilent sales team, regulators, and pharmaceutical scientists. He shares market updates, trends, and expertise related tothe Agilent portfolio of columns and supplies.
</blockquote>

Agilent: Becoming a Better Chromatographer - Educational Webinar Series

Regulatory Guidelines on Analytical Method Development: USFDA, ICH and USP Perspective

Understand different guidelines related to analytical development and how can you adopt QbD or Enhanced approach in the analytical method development.

Regulatory Guidelines on Analytical Method Development

HPLC is a powerful analytical technique widely used in the food industry, research labs and commercial testing labs for quality control, safety assessment, and nutritional analysis. It is particularly valuable for analyzing compounds such as vitamins, amino acids, sugars, oils and toxins like mycotoxins. HPLC plays a crucial role in ensuring the safety, quality, and nutritional integrity of food products. Its ability to provide detailed information about the composition of food samples makes it an indispensable tool for food testing laboratories and the food industry.
Altium is happy to announce webinar on Agilent LC solutions for food industry. Reserve your spot now!
<a href="https://events.teams.microsoft.com/event/ecf82ef6-1be9-404d-8dda-732d993c8699@3a2a17c9-a748-438b-8c0e-b375b3713c75">REGISTRATION</a>
Key learning points:
<ul>
<li>HPLC introduction.</li>
<li>Key HPLC features which can reduce human error and enhance efficiency.</li>
<li>HPLC applications for vitamins analysis.</li>
<li>HPLC applications for amino acid analysis using automated pre column derivatization method.</li>
<li>HPLC application for sugar analysis.</li>
<li>HPLC application for aflatoxin analysis.</li>
<li>GPC as a technique of sample prep for removing high molecular matrix.</li>
</ul>
There will be a Q&amp;A session with the support of local Altium teams.
Looking forward to meeting you.
<blockquote>
Speaker: Laura Montis (IDO Product Specialist LPS Agilent Technologies)
</blockquote>

Altium International: Agilent LC Solutions For Food Testing and Food Fortification Webinar

Agilent LC Solutions For Food Testing and Food Fortification Webinar

HPLC is widely used in the food industry, research labs and commercial testing labs for quality control, safety assessment, and nutritional analysis.

LCMS webinars focusing on HPLC - page 26