What do chromatography, gemstones, rainbows and even cats have in common? At KNAUER’s latest Girls’ Day in Berlin, 15 schoolgirls explored exactly that question. Through a series of hands-on activities, they discovered how HPLC instruments are developed and manufactured, learned the basics of spectroscopy and chromatography, and met women working across science, engineering, product management and company leadership.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_1_A_student_observes_the_rainbow_spectrum_of_white_light_8ef24d9700.jpeg" alt="KNAUER: Figure 1 A student observes the rainbow spectrum of white light." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_1_A_student_observes_the_rainbow_spectrum_of_white_light_8ef24d9700.jpeg 228w," sizes="100vw" width="624" height="427"><h4>A Day to Explore STEM Careers</h4>Girls’ Future Day, widely known as Girls’ Day, gives schoolgirls across Germany an opportunity to experience professions in which women are still underrepresented. Instead of learning about careers only in the classroom, participants can spend a day inside companies, laboratories and technical workplaces and see what these jobs actually involve.KNAUER has participated in Girls’ Day for 17 years, and demand for places has become consistently high. The attraction is easy to understand: visitors do not simply listen to presentations. They can experiment, assemble components, talk directly with employees and discover how science and engineering are applied in everyday work.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_2_Hands_on_experience_and_wonder_at_Girls_Day_2025_98da525b3a.jpg" alt="KNAUER: Figure 2 - Hands-on experience and wonder at Girls’ Day 2025: 13 interested girls assembled pump heads, learned what HPLC is, and how such equipment is developed" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_2_Hands_on_experience_and_wonder_at_Girls_Day_2025_98da525b3a.jpg 125w," sizes="100vw" width="1024" height="1280"><blockquote>“That moment when the girls realize, with sparkling eyes, just how cool science can be—that’s exactly why I love Girls’ Day. It’s worth every bit of the effort!” – Dr. Kristin Folmert, chemist and product manager at KNAUER</blockquote><h4>From Laboratory Instruments to a Wide Range of Careers</h4>At KNAUER wissenschaftliche Geräte GmbH, laboratory instrumentation is designed, developed, manufactured, tested and marketed from Berlin for customers around the world.That requires far more than chemists alone. The company brings together people working in mechanical production, logistics, media design, mechatronics, software development, science, product management and company management.For the participating girls, this offered a chance to meet women following very different career paths and to see that a technology company can provide opportunities across many disciplines.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_3_The_girls_learned_what_chromatography_and_HPLC_are_a7db4e8eb3.jpg" alt="KNAUER: Figure 3 - The girls learned what chromatography and HPLC are, what they are used for, and how a UV/Vis detector works. They then built their own handheld spectroscope and experimented with white light and various color filters." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_3_The_girls_learned_what_chromatography_and_HPLC_are_a7db4e8eb3.jpg 245w," sizes="100vw" width="1024" height="609"><h4>Women in Science and Technology at KNAUER</h4>Women account for 37% of KNAUER’s workforce, with particularly strong representation in scientific and management positions. The company reports a gender pay gap of 1.84% for 2026, compared with an unadjusted German gender pay gap of 16% in 2025. Women also hold 44% of leadership positions at KNAUER, including several positions performed on a part-time basis.The company emphasizes practical measures intended to make technical careers accessible to a wider range of employees. These include flexible work models, support for childcare and technical solutions such as indoor cranes for handling heavy components.During Girls’ Day, these policies become less abstract. Participants meet scientists, engineers and managers who can describe how they entered their professions and how their careers developed.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_4_During_a_visit_to_the_equipment_development_department_scientist_Thy_Vu_talks_about_her_career_at_KNAUER_3bd9af2786.jpg" alt="KNAUER: Figure 4 - During a visit to the equipment development department, scientist Thy Vu talks about her career at KNAUER. She wrote her bachelor’s thesis here and then worked as a student assistant in development during her master’s program. Subsequent to completing her master’s degree, she accepted a permanent position at KNAUER in the development department. Today, she is developing the pump drive of the future and tells the fascinated girls which gemstones are used in such a pump (sapphires and rubies)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_4_During_a_visit_to_the_equipment_development_department_scientist_Thy_Vu_talks_about_her_career_at_KNAUER_3bd9af2786.jpg 245w," sizes="100vw" width="1024" height="614"><h4>Role Models and First-Hand Career Insights</h4>Several KNAUER employees are also involved in <a target="_blank" rel="noopener noreferrer" href="https://www.linkedin.com/groups/13080121/">International Women in Chromatography</a>, a network supporting women and non-binary professionals working in chromatography.Throughout the day, the students encountered women at different stages of their careers: from university students and young scientists to experienced product managers, developers and Managing Director Alexandra Knauer.The message was not simply that STEM careers are available to women, but that scientific and technical work can take many forms. Networking, curiosity, willingness to ask questions and confidence in one’s own abilities were recurring themes throughout the event.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_5_A_girl_works_intently_and_with_great_care_on_her_spectroscope_ed94a2a049.jpg" alt="KNAUER: Figure 5 - A girl works intently and with great care on her spectroscope. None of the girls glance at their phones; they are all polite, and many feel comfortable asking questions openly. We are very excited about this generation of bright young talents." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_5_A_girl_works_intently_and_with_great_care_on_her_spectroscope_ed94a2a049.jpg 127w," sizes="100vw" width="405" height="496"><h4>Learning HPLC by Doing</h4>The scientific part of the day began with the basic principles of high-performance liquid chromatography (HPLC).To make separation easier to understand, the group first experimented with light and heavy balls inside a large glass column. From there, the discussion moved to the individual components of an HPLC system.One analogy compared an HPLC instrument with the human body: the pump moves liquid much like the heart circulates blood, separation takes place in the column, and the detector observes the separated compounds through their interaction with light.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_6_The_HPLC_and_its_various_modules_depicted_as_human_organs_855ab67aac.jpg" alt="KNAUER: Figure 6 - The HPLC and its various modules, depicted as human organs." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_6_The_HPLC_and_its_various_modules_depicted_as_human_organs_855ab67aac.jpg 245w," sizes="100vw" width="1210" height="670"><h4>Building a Spectroscope and Seeing Light Differently</h4>Each participant then constructed a small handheld spectroscope.The task required both careful reading and manual dexterity, particularly when fitting the delicate lens. Working together, the girls quickly developed better ways to complete the assembly—a small example of how real development projects evolve through cooperation and continuous improvement.Once finished, the spectroscopes revealed the spectrum of white light as a rainbow together with visible spectral features. Colored filters placed between the light source and the spectroscope then demonstrated how absorption changes the observed spectrum.This connected the practical activity with concepts introduced earlier in the day: visible light, wavelength, absorption and how optical signals eventually become peaks in HPLC detection.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_7_A_11_year_old_girl_gazes_fascinated_at_her_rainbow_4f713de2ae.jpg" alt="KNAUER: Figure 7 - A 11-year-old girl gazes fascinated at her rainbow and notices that while all the colors are visible, some areas are brighter while others are quite dark. “Is the spotlight not pure white, or is my spectroscope absorbing light?” Such clever questions arise when girls are encouraged to explore things for themselves." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_7_A_11_year_old_girl_gazes_fascinated_at_her_rainbow_4f713de2ae.jpg 200w," sizes="100vw" width="1024" height="800"><h4>Inside Instrument Development and Manufacturing</h4>The program then moved from theory into KNAUER’s production environment.In the mechanical manufacturing area, participants saw CNC machines and robotic systems producing precision components for laboratory instruments. They could watch parts of an HPLC pump head taking shape directly from metal components and learn why accurate machining is essential for reliable instrument performance.<blockquote>“This is like science fiction!” – Mariko Stahr, Girls’ Day participant</blockquote>In the development department, engineer Thy Vu demonstrated her work on pump-drive technology and explained how developers investigate parameters such as motor torque. The girls were also able to handle some of the materials used inside an HPLC pump.One detail generated particular interest: components made from sapphire and ruby. This opened a discussion about material properties, crystal structures and why instrument developers benefit from understanding chemistry as well as engineering.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_8_Thomas_Mueller_explains_to_the_girls_how_CNC_machines_mill_the_housing_for_a_pump_head_bd714b9b50.jpg" alt="KNAUER: Figure 8 - Thomas Müller explains to the girls how CNC machines mill the housing for a pump head from a block of metal and why precision is crucial in this process. On the left is one of the robotic arms that continues working even at night, allowing employees to focus solely on daytime work and more demanding tasks. " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_8_Thomas_Mueller_explains_to_the_girls_how_CNC_machines_mill_the_housing_for_a_pump_head_bd714b9b50.jpg 245w," sizes="100vw" width="1278" height="468"><h4>Assembling a Real HPLC Pump Head</h4>The final practical station brought the participants into instrument assembly.Each girl was given the opportunity to assemble a pump head herself. The work proved more demanding than it initially appeared, requiring both hands to coordinate several components accurately.With guidance from KNAUER training supervisor Ronald Berger, the participants completed their assemblies before each pump head underwent a final technical check to verify that the pistons moved correctly.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_9_A_girl_is_screwing_the_check_valve_with_the_check_valve_holder_i_cf84fb4375.jpg" alt="KNAUER: Figure 9 - A girl is screwing the check valve with the check valve holder into the pump head. Everything is then tightened using a torque wrench." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_9_A_girl_is_screwing_the_check_valve_with_the_check_valve_holder_i_cf84fb4375.jpg 179w," sizes="100vw" width="376" height="327">The day concluded with lunch and another opportunity to speak with Managing Director Alexandra Knauer, who has long supported initiatives intended to improve the visibility of women and encourage young people to consider STEM careers.Participants received certificates and “I love HPLC” bags with small gifts before leaving KNAUER with their own impressions of what a future in science and technology could look like.<h4>So Where Do the Cats and Rainbows Come In?</h4>The rainbow seen through a spectroscope provides a simple demonstration of the same basic optical principle used in many analytical measurements.When white light is dispersed, its different wavelengths become visible as a spectrum. If part of that light is absorbed by an object or substance, the resulting spectrum changes. Measuring which wavelengths are absorbed can therefore reveal information about the material interacting with the light.The article illustrates the idea with a deliberately simple example: a cat sitting in front of a light source may absorb most of the light, but its silhouette still provides information about what is blocking the beam.Similarly, analytical detectors can obtain information about molecules by measuring how they interact with light.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/KNAUER_Figure_10_The_cat_actually_absorbs_all_the_light_af8452f58d.jpg" alt="KNAUER: Figure 10 - The cat actually absorbs all the light, but its outline still lets us know that there’s a fluffy cat sitting there. In HPLC, a[SD5.1] molecule’s light absorption also tells us a great deal about its identity. " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_KNAUER_Figure_10_The_cat_actually_absorbs_all_the_light_af8452f58d.jpg 236w," sizes="100vw" width="1024" height="676">The same principle also helps explain the colors of evening sunlight. When sunlight travels through a longer path in the atmosphere, shorter-wavelength blue light is scattered more strongly, leaving proportionally more of the longer-wavelength red and orange light reaching the observer.For the students at KNAUER, concepts such as these transformed HPLC and spectroscopy from abstract scientific terminology into something they could build, observe and discuss themselves.And that is ultimately the purpose of Girls’ Day: to show young people that science and technology are not distant subjects confined to textbooks, but fields full of practical questions, creative problem solving and possible future careers.

Girls Just Wanna Have Fun With KNAUER – A Girls' Day Full of Rainbows

Our Library never stops expanding. What are the most recent contributions to LabRulezLCMS Library in the week of 21st September 2026? Check out new documents from the field of liquid phase, especially HPLC and LC/MS techniques!<blockquote>👉 <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library">SEARCH THE LARGEST REPOSITORY OF DOCUMENTS ABOUT LCMS AND RELATED TECHNIQUES</a></blockquote><blockquote>👉 Need info about different analytical techniques? Peek into <a target="_blank" rel="noopener noreferrer" href="https://gcms.labrulez.com/library">LabRulezGCMS</a> or <a target="_blank" rel="noopener noreferrer" href="https://icpms.labrulez.com/library">LabRulezICPMS</a> libraries.</blockquote>This week we bring you application notes by KNAUER and Shimadzu, technical note by Thermo Fisher Scientific and poster by Waters Corporation / SOFT!<h3>1. KNAUER: Precise Catechin Profiling in Various Types of Tea</h3><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/VFD_0198_knauer_precise_catechin_profiling_in_various_types_of_tea_d607cde5ba.pdf">Full PDF for download</a></li></ul>Fresh tea leaves contain high concentrations of catechins, which have many beneficial properties. These include antioxidant, anti-inflammatory as well as antimicrobial effects, and it is even claimed that they have the potential to prevent cancer [1]. In addition, the taste and mouthfeel of a tea strongly depend on its catechin profile. The catechin content of tea leaves varies based on cultivation area, age and variety, as well as on how they are fermented, processed and packed. Therefore, the catechin content is an important marker for the quality of tea.&nbsp;The analysis of catechins can be challenging. The structural similarity of the catechin isomers and other closely related compounds result in similar behavior and a difficult separation (Fig. 1). Catechins possess many phenolic hydroxyl groups, which are prone to secondary interactions, like hydrogen bonding. Classical as well as highly endcapped C18 columns offer only limited retention and selectivity for catechins. Therefore, the KNAUER column portfolio has been expanded to include a pentafluorophenyl (PFP)-modified stationary phase (Eurospher II 100-3 PFP column 50 x 2 mm). It offers optimal separation of the catechins based on hydrophilic, hydrophobic and π-π-interactions. The column withstands acidic eluents (pH 1.5–10) as well as 100 % aqueous conditions, which are beneficial for the retention of hydrophilic compounds. The KNAUER Gradient Prediction Tool assisted with the challenging method development which is described in detail in the TechNote “The Gradient Prediction Tool: Method Development for the Separation of Catechins from Tea”. Here, the application of the optimized method for the identification and quantification of catechins in tea extracts is shown. The seven compounds specified in ISO-14502-2 (2005), as well as two additional catechins known as (+)-gallocatechin and (–)-gallocatechin gallate, were quantified.<h4>MATERIAL AND METHODS</h4><ul><li>Pump: <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/2374">P8.1L</a>; high pressure gradient&nbsp;</li><li>Liquid Handler: <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1454">LH 8.1L </a>With FastWash station, and Robotic cooler. Loop: 20 µl.</li><li>Thermostat: <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/2376">CT 2.1L&nbsp;</a></li><li>Detector: <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/2424">DAD 6.1L&nbsp;</a></li><li>Flow cell: Analytical LightGuide flow cell (50 mm, 6 µl)&nbsp;</li><li>Software: ClarityChrom 10.1</li></ul><h4>CONCLUSION&nbsp;</h4>The application note demonstrates the reliable separation and quantification of catechins and caffeine in tea extracts using the new KNAUER PFP column. Using an optimised gradient predicted with the KNAUER Gradient Prediction Tool, nine tea-related compounds were separated in under 23 minutes. The tested tea samples showed different catechin content highlighting how strongly tea composition depends on the product type and processing.<h3>2. Shimadzu: New Derivatization Method for Quantitative Analysis of Δ⁹-THC-COOH in Urine</h3><ul><li>Application note</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/an_01_01215_en_c98174629b.pdf">Full PDF for download</a></li></ul><h5>User Benefits</h5><ul><li>The risk of limited availability of stable isotope-labeled standards can be avoided by synthesizing internal standards through derivatization.&nbsp;</li><li>The derivatizing agent IPPAH and its corresponding stable isotope IPPAH-d6 can be synthesized easily and inexpensively from acetone (or acetone-d6).&nbsp;</li><li>This approach achieves sufficient sensitivity and quantitative accuracy for the determination of Δ⁹-THC-COOH in urine.</li></ul>In Japan, the Cannabis Control Act and the Narcotics and Psychotropics Control Act were amended in December 2024. While cannabis was legalized for industrial and medical uses, stricter cannabis regulations have been enacted to prevent harm from its abuse. The primary psychoactive cannabinoid, delta-9-tetrahydrocannabinol (Δ⁹-THC), is extensively metabolized in the body and is excreted mainly in urine and feces as 11-nor-9-carboxy-THC (Δ⁹-THC-COOH) and its glucuronide conjugates. Consequently, Δ⁹-THC-COOH must be analyzed to confirm cannabis use. For LC-MS/MS quantitation, the stable isotope-labeled internal standard Δ⁹-THC-COOH-d3 is commonly used to correct for matrix effects. However, most suppliers of stable isotope standards are located in the U.S., making these standards difficult to obtain due to import procedures. Furthermore, there may be additional importrelated supply risks for stable isotope standards in the future.&nbsp;This Application News describes a technique for quantitating Δ⁹-THC-COOH using an internal standard that is synthesized easily and inexpensively by derivatization with IPPAH (1- isopropylpiperidine carboxylic acid hydrazide), which characteristically reacts with carboxyl groups, and its corresponding stable isotope IPPAH-d6.<h4>Analysis Conditions&nbsp;</h4>LC-MS/MS analysis conditions are shown in Table 1. The <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/lcms/library?mainauthorItems=1&amp;search=Nexera+XR">Nexera XR</a> and <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/lcms/library?mainauthorItems=1&amp;search=LCMS-8050">LCMS-8050 systems</a> were used.<h4>Conclusion&nbsp;</h4>Derivatization with IPPAH and its stable isotope analog, IPPAHd6, enabled the simple and inexpensive preparation of an internal standard. This approach provides sufficient sensitivity and accuracy for the determination of Δ⁹-THC-COOH in urine. Most stable isotope-labeled standards are supplied by foreign manufacturers, creating a risk of delays or difficulties in procurement due to import/export regulations. By synthesizing the internal standard through derivatization, this risk can be minimized.<h3>3. Thermo Fisher Scientific: High-throughput quantitative proteomics with Evosep Eno and the Orbitrap Astral Zoom Mass Spectrometer</h3><ul><li>Technical note</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/tn_004544_ov_astralzoom_evosepeno_htp_proteomics_tn004544_na_en_f31db9084e.pdf">Full PDF for download</a></li></ul>High-throughput proteomics is a critical enabling technology for large clinical studies, high-content drug screening, and systems biology research, allowing for comprehensive and quantitative analysis of complex proteomes across large sample cohorts within practical timeframes. As biological and translational studies expand in scale and complexity, the ability to generate deep and reproducible proteome measurements across thousands of samples has become increasingly essential for robust biomarker discovery, network-level systems modeling, and downstream analyses. In these contexts, accurate and precise protein quantitation must be maintained without sacrificing throughput, placing stringent demands on the performance and robustness of both LC instruments and mass spectrometers.&nbsp;To meet these increasing analytical demands, the Evosep Eno was developed as a high‑throughput LC system that combines robustness, ease of use, and highly reproducible chromatography. It offers six standardized methods: 30, 60, 100, 200, 300, and 500 samples per day (SPD), allowing users to select the throughput that aligns best with their study goals.1 These predefined methods ensure consistent gradient delivery, highly stable retention times, and reproducible system performance across instruments and laboratories.2 By reducing LC‑related variability and simplifying everyday operation, the Evosep Eno offers a strong and consistent foundation for large‑scale proteomics workflows, particularly those relying on short gradients and high reproducibility required for downstream quantitative analysis.<h4>Experiment</h4><h5>Instrumentation&nbsp;</h5><ul><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/lcms/library?mainauthorItems=291&amp;search=evosep+eno">Evosep Eno&nbsp;</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1959">Orbitrap Astral Zoom Mass Spectrometer&nbsp;</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/2464">Thermo Scientific™ EASY-Spray™ Ion Source&nbsp;</a></li><li>Evosep™ Pod for EASY-Spray Ion Source</li></ul><h5>Software&nbsp;</h5><ul><li>Biognosys Spectronaut® 19.7 software&nbsp;</li><li>MacCoss Lab Software Skyline-Daily V25.1</li></ul><h4>Summary&nbsp;</h4><h5>Seamless and easy integration for high-throughput proteomics&nbsp;</h5>Evosep Eno integrates seamlessly with the Orbitrap Astral Zoom Mass Spectrometer, supported by EASY-Spray source-compatible columns, emitters, and the Evosep Pod column oven for a simple, streamlined, high-throughput workflow.&nbsp;<h5>Deep proteome coverage at 500 SPD&nbsp;</h5>Optimized MS parameters for the standard 500 SPD Evosep Eno gradient enabled identification of more than 6,500 protein groups and 71,000 modified peptides from three replicates of 200 ng Pierce HeLa Digest/PRTC Standard.<h5>Reproducible quantitation across standard gradients&nbsp;</h5>Across all standard Evosep Eno gradients, the workflow delivered highly reproducible label-free quantification, with median protein group %CVs at or below 5.2%, while identifying more than 10,500 protein groups and 190,000 modified peptides from five replicates of 200 ng Pierce HeLa Digest/PRTC Standard at 30 SPD.&nbsp;<h5>Robust chromatography at ultra-high throughput&nbsp;</h5>Chromatographic performance remained stable and robust at 500 SPD, with nearly 100 consecutive runs showing PRTC retention time standard deviations below 0.4 seconds and a median of 6 DPPP.&nbsp;<h5>Strong linearity for confident quantitation&nbsp;</h5>Quantitative performance remained strong at 500 SPD, with PRTC peptides showing excellent linearity across the active gradient (R² &gt;0.98) when spiked from attomolar to femtomolar concentrations.<h3>4. Waters Corporation / SOFT: COMPARATIVE EVALUATION OF HIGH RESOLUTION MASS SPECTROMETRY ACQUISITION STRATEGIES FOR THE DETECTION AND ANALYSIS OF ILLICIT DRUG SUBSTANCES</h3><ul><li>Poster</li><li><a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/pdf/720009592_0bd2b5ee6a.pdf">Full PDF for download</a></li></ul><div><div><section><div><div><div><div><div><div>The poster compares two high-resolution time-of-flight mass spectrometry acquisition strategies for toxicology screening: targeted Tof-MRM and data-independent Tof-MSE, both implemented on a Waters <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1148">Xevo MRT MS</a> coupled to an <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/199">ACQUITY UPLC I-Class FTN PLUS System</a>. The aim was to determine whether these approaches could meet routine service requirements for drug testing while also broadening the number of substances that can be detected beyond conventional targeted panels. Urine samples were prepared across a wide concentration range for 20 target analytes, and the methods were also applied to 20 anonymized authentic urine samples.Both workflows used a 15-minute LC separation on an <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products/1952">ACQUITY HSS C18 column</a> under positive electrospray ionization. In the targeted Tof-MRM mode, selected precursor ions were isolated and fragmented, with quantifier and qualifier ions monitored for sensitive quantitative analysis. In contrast, Tof-MSE operated in a data-independent mode, alternating between low and elevated collision energies to collect accurate-mass precursor and fragment-ion information for a broad range of compounds. Data were processed in the waters_connect platform using MS Quan for Tof-MRM and UNIFI with the Waters Toxicology Library, containing more than 2,100 drugs and metabolites, for Tof-MSE.The targeted Tof-MRM method provided the highest sensitivity, with limits of detection ranging from 0.05 to 0.5 ng/mL in fortified urine. The broader Tof-MSE workflow achieved LODs of approximately 0.5 to 5 ng/mL. When both strategies were applied to authentic urine samples, they showed excellent qualitative agreement. Importantly, Tof-MSE detected additional compounds outside the predefined target panel, including commonly encountered medications, benzodiazepines, antidepressants, and illicit drug substances that would not have been captured by the targeted method alone.Overall, the study shows that Tof-MRM can deliver sensitivity comparable to conventional tandem-quadrupole LC-MS/MS for targeted urinary drug analysis, while Tof-MSE adds broader sample characterization and retrospective screening capability. Used together, the two acquisition strategies provide a flexible approach that combines sensitive quantification of predefined analytes with expanded screening for unexpected or previously untargeted drug substances in complex biological samples.</div></div></div></div></div></div></section></div></div>

News from LabRulezLCMS Library - Week 39, 2026

Proper care and maintenance of HPLC columns are essential for getting accurate results and saving on replacement costs. Extending the HPLC column life not only ensures consistent performance but also reduces downtime and the need for frequent replacements.Routine maintenance is equally essential for sustaining column functionality. Correct handling of the column is paramount, ensuring strict compliance with the manufacturer’s specifications regarding pressure, pH, flow rate, and temperature.In the next section, we will explore these best practices in greater detail, offering further guidance on essential HPLC column maintenance strategies. Whether you’re working in a high-throughput lab, or conducting occasional analyses, these strategies will help you get the most out of your <a target="_blank" rel="noopener noreferrer" href="https://labrulez.com/en-us/all/products?category=48&amp;manufacturerItems=50">HPLC columns</a>.<h3>Essential Guidelines for Extending HPLC Column Life</h3>By adopting these simple yet effective practices, you can greatly extend the HPLC column life while ensuring reliable, high-quality results in your analyses.<h4>Proper Column Handling</h4>HPLC columns should be handled with care to prevent physical damage or shock. The pump should not be started at high flow rates; instead, the flow rate should be gradually increased over several minutes. A pump pressure limit should be set to protect the column from over pressuring, as sudden pressure changes can lead to voids, negatively affecting the column’s performance.<h4>HPLC Column Conditioning and Equilibration</h4>Conditioning is a critical step for preparing a new or stored HPLC column by replacing the storage solvent with the desired mobile phase. Care must be taken to avoid introducing immiscible solvent mixtures into the column. Universally miscible solvents such as THF (tetrahydrofuran) or IPA (isopropyl alcohol) can be useful for this process when moving from normal phase to reversed phase solvent systems. Care must also be taken to ensure that solvents that may be damaging to a specific stationary phase are avoided.For example, if a reversed-phase column experiences phase collapse due to 100% aqueous mobile phases, it should be reactivated. This process involves running 100% acetonitrile at a high flow rate and a temperature as high as 60°C. It is essential to ensure no solid buffers precipitate from residual solvents. Depending on the column condition, between 50 and 100 column volumes are needed for complete reactivation and equilibration, restoring the column’s efficiency for future use.<h4>Optimizing Operating Conditions</h4>Optimizing operating conditions is paramount to enhancing HPLC column efficiency and prolonging their operational lifespan. A fundamental aspect of this is strict adherence to the manufacturer’s recommended temperature, pH and pressure parameters.Deviating from these limits, particularly by operating at elevated temperatures, can significantly hasten the degradation of the stationary phase and hardware, thereby compromising overall performance. Elevated temperatures can also narrow the pH operating range, exacerbating the risk of column degradation through phenomena such as peak broadening or diminished efficiency.Effective pressure management is equally crucial. Sudden pressure surges or mechanical shocks can result in bed voiding, leading to poor chromatographic performance, such as split peaks and reduced separation efficiency. Gradual ramping of flow and pressure, implemented each time the column is initiated, mitigates these risks. Many modern HPLC systems are equipped with automated flow-pressure ramping capabilities, ensuring smoother transitions and reducing the potential for column damage.In addition, vigilant monitoring of the mobile phase's pH is vital to the maintenance of HPLC column integrity. Deviations from the optimal pH range can cause significant harm to the stationary phase. For instance, leads to ligand hydrolysis which leads to a loss of stationary phase functionality and diminished column performance over time. High pH can lead to silica degradation. This weakens the silica structure, causing particle dissolution, void formation, and loss of column efficiency. Maintaining the pH within optimal boundaries is essential for preserving the column’s structural integrity and ensuring consistent chromatographic performance.Furthermore, incorporating inline filters and guard columns into the system serves as a proactive measure to prevent particulates and harsh sample matrices from damaging the analytical column. These preventive tools significantly enhance operational conditions and safeguard the column from contamination, ultimately contributing to extended HPLC column lifetime and reliable performance.<h4>Regular Column Maintenance</h4>Effective routine maintenance is paramount to extending the HPLC column lifetime and ensuring the consistent performance of HPLC columns. A critical aspect of this maintenance is the thorough washing of the column after each use to eliminate residual sample components and mobile phase contaminants.The cleaning process generally involves performing an isocratic or gradient wash using a solvent system similar to the one previously used on the column but substituting the buffer with HPLC-grade water. This helps effectively remove any residual buffer components from the column. This meticulous cleaning process is vital to preventing the accumulation of impurities that could compromise the stationary phase and lead to decreased efficiency over time.Post-cleaning, it is imperative to end-cap the column before storage to prevent the stationary phase from drying out, a condition that can negatively impact the column’s future performance. Proper capping or sealing ensures that the column remains in optimal condition, safeguarding its structural integrity and readiness for subsequent analyses.Additionally, utilizing an older HPLC system as a dedicated wash station can further streamline maintenance practices, freeing up live systems for active use. Consistently adhering to a rigorous cleaning and storage regimen not only enhances the longevity of HPLC columns but also guarantees the delivery of precise and reliable analytical results.For severe contamination or pressure buildup, backflushing may be necessary to dislodge tightly bound contaminants. However, backflushing should only be performed when absolutely necessary, as it can stress the column packing material. It is essential to consult the manufacturer’s instructions before attempting this method.

How to Extend the Lifetime of HPLC Columns?

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

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From beginner to expert, we can all benefit from a review of HPLC basics. In this two-part talk, we will work our way from basic chromatographic principles to advanced method development topics.
In Method Development 101, we will cover such fundamentals as partitioning, retention factor, selectivity, and resolution. After a quick review of these basics, we seek to better understand the resolution equation and what it tells us about establishing or changing method conditions. We will also discuss how the physical/chemical properties of our analytes impact our choice of column chemistries.
<blockquote>
Presenter: Melissa Goodlad (Application Engineer, Agilent Technologies, Inc.)
</blockquote>
<blockquote>
Melissa Goodlad is an Application Engineer providing applications assistance and technical support for Agilent’s HPLC columns and consumables. Before joining Agilent, Melissa was completing her PhD in Physical Chemistry at UC Merced studying nanoparticle self-assemblies.
</blockquote>

Agilent Technologies: HPLC Method Development: From Beginner to Expert, Part 1

HPLC Method Development: From Beginner to Expert, Part 1

Basic chromatographic principles to advanced method development topics.

<h4>Agilent Webinar Series for Food Testing Workflows: Part 7</h4>
Nowadays, laboratories have the challenge of becoming progressively more productive as well as focusing on continuous improvements. 
Food laboratories such as contract labs, government entities and private companies are therefore adopting practices to have faster sample turnaround and to reduce the solvent consumption per run. 
During this presentation, we will examine approaches to address these aspects. We will also discuss the use of latest technology with examples to illustrate how to better achieve the desired outcomes.
<blockquote>
Presenter: Cecilia Mazza, (Product Specialist, EMEA IDO - Chemistries &amp; Suppliers, Agilent)
</blockquote>
<blockquote>
With more than 20 years of professional experience, Cecilia is presently the Product Specialist for columns and supplies at Agilent. Supporting distributors and laboratory users in the analysis and purification of small and large molecules, for a wide range of LC and GC applications as well as sample preparation.
</blockquote>
<blockquote>
Cecilia holds a Ph.D. in Chemical Engineering from Rensselaer Polytechnic Institute in US.
</blockquote>

Agilent: Agilent Webinar Series for Food Testing Workflows: Better Lab Sample Turnaround - Saving Time and Solvent per run

Better Lab Sample Turnaround - Saving Time and Solvent per run

Approaches to faster sample turnaround and to reduce the solvent consumption per run.

Better Lab Sample Turnaround - Saving Time and Solvent

With the goal towards net zero emissions by 2050, the global urgency to find cleaner energy alternatives has never been more pressing, although the world is only at its initial stages of transitioning away from fossil fuels.
In the push for sustainable renewable energy, bioenergy stands out as a promising solution, demonstrated by its status as the largest source of renewable energy worldwide. Biofuels, derived from biomass, uniquely distinguish themselves as the only renewable energy source that can be directly used in the transport sector. This capability allows biofuels to overcome traditional barriers, enter the market quickly, and drive accelerated change towards clean energy. Biofuels hold significant potential to decarbonize hard-to-electrify sectors, such as aviation and shipping.
While 1st generation biofuels raise concerns about compromising food security in the food vs. fuel debate, advanced biofuels derived from non-food sources—including 2nd generation biofuels from agricultural waste and woody biomass, and 3rd generation biofuels from algae biomass—present a viable path to fuel a sustainable future.
The session will deliver a comprehensive guide to the analysis of various biofuels, including biogas, biodiesel, and bioethanol, providing valuable insights that you need to understand this much discussed topic.
<h5>Learning Objectives:</h5>
<ul>
<li>Understand the importance of biofuels as a sustainable energy source and their potential impact on reducing greenhouse gas emissions and dependence on fossil fuels
</li>
<li>Learn about the different types of biofuels, their production processes, and the challenges associated with their analysis and quality control
</li>
<li>Understand the importance of quality control and assurance in biofuel production, including sampling techniques, calibration, and validation of analytical methods
</li>
<li>Develop an understanding of the role of biofuel analysis in supporting the transition to a sustainable future and the contribution it can make towards achieving global energy and environmental goals
</li>
</ul>
<blockquote>
Presenter: Jackie, PhD (Assistant Product Manager (GC &amp; GCMS), Shimadzu (Asia Pacific) Pte Ltd)
</blockquote>
<blockquote>
Jackie obtained his PhD in Analytical Chemistry from the National University of Singapore, He has garnered over 10 years of research, training, and facilitation experience. Jackie meets scientists from various industries to share technical knowledge and collect feedback, understanding their problems and helping them find well-suited solutions in GC-related analyses.
</blockquote>
<blockquote>
Presenter: Hashi Yuki, PhD, (Senior Expert, Shimadzu Corporation)
</blockquote>
<blockquote>
Dr. Hashi, a graduate of Osaka University, Japan, joined Shimadzu Corporation in 1986. With expertise in HPLC and protein analysis, he served as an application manager for chromatography instruments in Southeast and South Asia. In China, he became the general manager for chromatographic instrument development and support. Dr. Hashi holds a Ph.D. from The Chinese Academy of Sciences and has lectured at various universities. Currently, he works with Shimadzu Corporation in Japan, focusing on developing the petroleum and petrochemical market.
</blockquote>
<blockquote>
Presenter: Nagao Yu (Assistant Manager (Green Energy), Shimadzu Corporation)
</blockquote>
<blockquote>
Mr. Nagao graduated from the Department of Chemistry, Graduate School of Science, Nagoya University in 2016. In the same year, he joined Shimadzu Corporation and engaged in application development using GC and GCMS. Since 2022, he has been working in the marketing department of the new energy field.
</blockquote>

Shimadzu: Fuelling a Sustainable Future: Solutions For Biofuels Analysis

Fuelling a Sustainable Future: Solutions For Biofuels Analysis

Comprehensive guide to the analysis of various biofuels, including biogas, biodiesel, and bioethanol, to understand this much discussed topic.

Fuelling a Sustainable Future: Biofuels Analysis

<h3>Solving Problems That Matter - a Waters webinar series featuring USP speakers</h3>
<h3>Episode 1: USP 621 Harmonization - Method Scaling</h3>
Summary
On December 1, 2022 a harmonized standard for General Chapter &lt;621&gt; Chromatography was released. This standard incorporates the USP with 2.2.46. Chromatographic Separation Techniques European Pharmacopoeia (EuPh) and 2.01 Liquid Chromatography Japanese Pharmacopeia (JP) texts. Harmonization of these regulatory guidance provides increased method flexibility through the employment of modernized of chromatographic tools without the need for full monograph re-validation.
Key Learning Objective: Learn how to modernize your LC system and reduce operation costs using the USP &lt;621&gt; allowable adjustments.
Who Should Attend: Scientists and lab managers involved with compendial methods with a drive towards modernization, productivity and compliance.
<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: Catharine Layton (Principal Scientist, Scientific Operations, Waters Corporation)
</blockquote>
<blockquote>
Catharine is a Principal Scientist on the QA-QC Team at Waters Corporation located in Milford, MA. She works closely with technical experts to develop and provide the appropriate instrumentation and methodology for laboratories throughout the world. She began her career in Biopharmaceutical Development R&amp;D at a fast paced, contract research organization and drug development laboratory where she was responsible for the design of analytical methods used to characterize novel biological therapeutics formulated by key research organizations. Catharine later moved into large pharma and analytical instrument development, where she has dedicated many years to the advancement and implementation of analytical testing strategies and methodology.
</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

USP 621 Harmonization - Method Scaling

Learn how to modernize your LC system and reduce operation costs using the USP <621> allowable adjustments.

Episode 1: USP 621 Harmonization - Method Scaling

<h4>New innovation for daily excellence in ion chromatography: consistent results across operators and shifts!</h4>
Are you regularly performing ion chromatography tests? 
We&#39;ve listened to the feedback given by ion chromatography (IC) users and created a top-notch IC system to enable you to generate reliable and constant IC results – all day, every day, no matter who&#39;s running the tests. 
Detlef Jensen, our European senior expert on ion chromatography, will present our innovative new IC system designed to support laboratories in routinely generating dependable and consistent IC results. This new system will reduce IC training requirements and system downtime, and you can easily upgrade the system to meet ever-changing laboratory needs.
<h5>Why Should You Attend?</h5>
<ul>
<li>Get an in-depth look at our latest cutting-edge IC platform.</li>
<li>Learn how this IC platform can stretch costs further and give you flexibility for evolving business needs.</li>
<li>Discover how you can routinely acquire repeatable and reliable results.</li>
</ul>
<h5>This webinar is for scientists and laboratory professionals:</h5>
<ul>
<li>Working with water or wastewater analysis </li>
<li>Analysing APIs or impurities in pharmaceutical mixtures </li>
<li>Testing food samples for ionic substances</li>
</ul>
Join us on February 15th to explore the opportunities and advancements this IC system can bring to your laboratory. As a bonus, get tips on how to optimize your IC results, too. 
Can&#39;t attend the live broadcast? Np problem! Register anyway and you will automatically recive the link to the webinar recording.
<blockquote>
Presenter: Detlef Jensen (Sr. Application Expert Applied Markets, Thermo Fisher Scientific)
</blockquote>
<blockquote>
Detlef holds a PhD in chemistry from the Technical University Berlin/Germany. For 30 years, he covered many positions at Dionex and Thermo Fisher Scientific. He is supporting our users and our team of field experts all over Europe with his deep knowledge of all aspects of ion chromatography and its applications.
</blockquote>

ThermoFisher Scientific: Ion chromatography innovation: New platform for routine IC applications

Ion chromatography innovation: New platform for routine IC applications

Innovative IC system designed to support laboratories in routinely generating dependable and consistent IC results will presented.

New platform for routine IC applications

<h3>Don&#39;t miss our one-day refurbished instruments sale</h3>
This is your exclusive invitation to Agilent’s pre-loved instruments Valentine Cyber Sale.
Join this event and immerse yourself in a dynamic online experience. Find chemistry you can trust, in our extensive refurbished analytical instrument portfolio, including chromatography, spectroscopy, mass spectrometry and automation.
During this event, our interactive platform enables you to:
<ul>
<li>Explore our inventory of refurbished instruments and their irresistible prices for this event only.</li>
<li>Gain insight into Agilent&#39;s meticulous refurbishment process. </li>
<li>Access informative brochures, engaging videos, and detailed instrument specifications.</li>
<li>Engage in live Q&amp;A sessions to get all your queries answered.</li>
<li>Secure the option to purchase the instrument of your choice.</li>
</ul>
Don&#39;t miss this opportunity to join us and find a relationship guaranteed to last at least 10 years!
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<h4>Agilent Certified Pre‑Owned Instrument program</h4>
</blockquote>
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Agilent Certified Pre‑Owned Instrument program is a source of pride throughout our company. An array of instruments are available and there are plenty of things to love:
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<blockquote>
<ul>
<li>Agilent Uncompromising analytical capabilities</li>
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<ul>
<li>Agilent Meet your sustainability goals</li>
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<ul>
<li>Agilent Prices that won’t break your heart</li>
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Agilent: Find Your Perfect Match at Agilent’s Valentine Cyber Sale

Find Your Perfect Match at Agilent’s Valentine Cyber Sale

Refurbished analytical instrument portfolio, including chromatography, spectroscopy, mass spectrometry and automation.

As the pipeline for synthetic oligonucleotide therapeutics continues to expand and diversify, the challenge of obtaining robust bioanalytical data efficiently has become more pronounced with sample prep representing the most significant source of variability.
To address this challenge Waters recently introduced automation-friendly OligoWorks SPE (Solid Phase Extraction) Kits to facilitate oligonucleotide extraction from biological samples for quantitative LC-MS analysis.
In this webinar, Waters application development scientists will present new HRMS full scan data on plasma samples, as well as HRMS and Tandem Quad data from liver samples, and discuss method variables that can be optimized to achieve higher recoveries.
Key learnings:
<ul>
<li>How OligoWorks SPE sorbent is tested and qualified for oligonucleotide recovery</li>
<li>Optimization parameters for HRMS/ MSe data capture and analysis</li>
<li>Tissue processing procedure and optimization parameters to maximize recovery and eliminate clogging</li>
</ul>
<blockquote>
Presenter: Nikunj Tanna (Principal Scientist, Scientific Operations, Waters Corporation)
</blockquote>
<blockquote>
Presenter: Makda Araya (Senior Scientist - Evaluation and Application Science, Waters Corporation)
</blockquote>
<blockquote>
Moderator: Joe Fredette (Principal Product Marketing Manager, Waters Corporation)
</blockquote>

Waters Corporation: Therapeutic Oligonucleotide Analysis from Plasma & Tissues Samples using OligoWorks SPE Kits

Therapeutic Oligonucleotide Analysis from Plasma & Tissues Samples using OligoWorks SPE Kits

New HRMS full scan data on plasma samples, as well as HRMS and Tandem Quad data from liver samples

Oligonucleotide Analysis using OligoWorks SPE Kits

<h3>Biopharma Brilliance Webinar Series:</h3>
Glycan &amp; Sialic Acid Workflows in Biotherapeutic Glycoproteins: Sample Prep to Analysis.
<h4>Session 2: Improved Workflow for Sialic Acid Profiling and Quantitation</h4>
Sialic acid is critical in mediating the effectiveness of therapeutic glycoproteins. Its presence (or absence) on the non-reducing terminal of N- or O-glycans can dramatically affect the pharmacokinetics of the protein, as well as its immunogenicity. Depending on the molecule and the application, terminal sialic acid may reduce the rate of clearance, reduce antibody-dependent cellular cytotoxicity (ADCC) activity, or can be anti-inflammatory. Therefore, it is essential to monitor both the absolute quantity of sialic acid and also the levels of different sialic acid species present in therapeutic glycoproteins.
Join us for an engaging webinar where we discuss a new and improved high-throughput workflow for the preparation, separation, and detection of sialic acids labeled with 1,2-diamino-4,5-methylenedioxybenzene (DMB) using the AdvanceBio Sialic Acid profiling and quantitation kit. 
What will you learn?
<ul>
<li>Quick and easy release of sialic acids from glycoproteins, labeled with fluorescent DMB dye.</li>
<li>Identification of sialic acid species with greater accuracy using a qualitative sialic acid reference panel (SARP) featuring six lyophilized sialic acids.</li>
<li>Absolute quantitation of sialic acids with quantitative NANA (Neu5Ac) and NGNA (Neu5Gc) standards.</li>
<li>Reduction of sample prep time to just 5 hours with no sample dry-down step.</li>
<li>Analysis of proteins with low levels of sialylation at picomolar sensitivity.</li>
</ul>
Join both the session and get certified for Brilliance.
<blockquote>
Presenter: Dr. Rajni Mujoo (Technical Support Specialist, CSD, Agilent Technologies)
</blockquote>
<blockquote>
Dr. Rajni is working with us as Technical Support Specialist in Chemistries and Supplies Division at Agilent Technologies since 2011. She has a Ph.D degree in Food Science from CFTRI, Mysore and Post Doctorate from Department Of Food Science, Michigan State University. She also has four International Presentations &amp; 13 publications in reputed National &amp; International journals to her credit. Rajni has a total work experience of 16 yrs spread across research and Sales building expertise in different Instrument techniques.
</blockquote>
<blockquote>
Presenter: Mr. Shreyas Tribhuvane (Business Development Manager, PL BC, 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: Biopharma Brilliance - Session 2

Biopharma Brilliance - Session 2

Join us for an engaging webinar where we discuss a new and improved high-throughput workflow for the preparation, separation, and detection of sialic acids.

Liquid chromatography requires the selection and manipulation of several components to be an effective tool in separating complex mixtures. One of the most impactful components is the column stationary phase, which is where the separation occurs. However, a wide variety of column options are available regarding base particles, ligands and column hardware, making it very confusing which column to select for a specific analysis. A deeper dive into the important attributes of the column stationary phase is needed to fully understand how a column can impact the separation of analytes.
This webinar will be the first in a series and will focus on the different aspects of a column, ranging from base particle to column hardware selection. Chromatographic examples will be provided to highlight the different column attributes, such as pore diameter and base particle composition. Guidance will be given regarding column selection for method development. Understanding the basic attributes of the column stationary phase can better inform decisions when selecting columns, as well as allowing scientists to create the most robust methods possible. This translates into better and more reliable end results.
<blockquote>
Presenter: Kenneth Berthelette (Senior Scientist, Waters Corporation Chemistry and Consumables Group)
</blockquote>
<blockquote>
Ken earned his Bachelor&#39;s of Science degree in Professional Chemistry from Bridgewater State University, Bridgewater Massachusetts, in 2010. He has been with Waters Corporation since March 2012 and has worked on several product launches including CORTECS columns, UPC2 Torus and Trefoil columns, and the Atlantis Premier BEH Z-HILIC column. He changed job functions in 2021 and now supports Chemistry Aftermarket initiatives. His focus on applications and customer education has led to several seminars and webinars on topics including method development, method modernization and transfer, HILIC separation techniques, and LC system troubleshooting.
</blockquote>

Waters Corporation: Understanding LC Column Attributes: A Practical Guide to Column Selection

Understanding LC Column Attributes: A Practical Guide to Column Selection

This webinar will focus on the different aspects of a column, ranging from base particle to column hardware selection.

A Practical Guide to Column Selection

Christian Rohrer, Director of Sales &amp; Support – EMEA at Tosoh Bioscience GmbH, will present the next edition of Tosoh Tuesday, a webinar series held by Chromatography Experts.
Join Jennifer Knister, Product Specialist MCC Instruments at Tosoh Bioscience, as she explains how multi-column chromatography (MCC) can be used to intensify Protein A chromatography in a continuous mode, increasing productivity threefold or more. Many of the benefits of MCC (reduction of materials, decreased suite time, and higher resin utilization) have been identified and presented in recent Tosoh Tuesday webinars. Jennifer will now provide a detailed analysis that will be helpful for organizations considering whether to invest time and money in transitioning to MCC and debating what MCC format is most advantageous for them. BioSolve modeling software was applied to generate a detailed comparison of the processing times, materials costs, and non-material costs for purification platforms at different titers, with both prepacked and self-packed columns.
After the webinar, ask your questions during the live Q&amp;A session.

Tosoh Bioscience: Tosoh Tuesday - Economic Model of Protein A Multi-Column Chromatography

Tosoh Tuesday - Economic Model of Protein A Multi-Column Chromatography

Multi-column chromatography (MCC) can be used to intensify Protein A chromatography in a continuous mode, increasing productivity threefold or more.