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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<h4>EU Live Interactive Web Series</h4>
Gather on Thursday or Friday at 11 AM or 12 PM CET for our live interactive web series.
Join us for an engaging journey into the world of advanced molecular analysis with our EU Live Interactive Web Series, hosted by Waters | Wyatt Technology! Dive deep into the intricacies of SEC-MALS and FFF-MALS systems, enhance your skills in ASTRA and DYNAMICS data processing, and master the measurement of dn/dc values—crucial for your research.
We dedicate 60 minutes to explore a specific topic, accompanied by a live discussion where all your questions are welcome. Whether you&#39;re dealing with polydisperse samples, eager to optimize your error analysis techniques, or curious about batch MALS work, our sessions are designed to elevate your expertise.
What&#39;s more, you’ll learn how to achieve stable RI baselines and utilize ASTRA&#39;s robust distribution analysis and results fitting features. Our web series is an invaluable, free resource exclusively for Wyatt customers, promising a 100% live, interactive learning experience.
Don’t miss out on this opportunity to connect, learn, and grow.
The live interactive web series are 100% live sessions, with anonymous Q&amp;A welcome during and after the discussion. Free for all Wyatt customers.
The EU live interactive web series are held on select Thursday or Friday afternoons at 11 AM or 12 PM CET.
May 3rd at 11:00 AM : MALS
<ul>
<li>How MALS can characterize molar mass, radius and A2?</li>
<li>How does a DAWN detector work?</li>
</ul>
May 17th at 11:00 AM : SEC-MALS
<ul>
<li>Applications and data interpretation</li>
<li>Data analysis in ASTRA</li>
</ul>
June 7th at 11:00 AM : RI &amp; dn/dc
<ul>
<li>A perfect match: MALS and RI</li>
<li>The importance of dn/dc and how to determine it</li>
</ul>
June 21st at 11:00 AM : DLS 
<ul>
<li>Benefits of measuring the Hydrodynamic Radius (Rh)</li>
<li>Dynamic Light Scattering in cuvette, high throughput and online</li>
</ul>
July 5th at 11:00 AM : Dynamics data processing tips &amp; tricks
<ul>
<li>Data interpretation and data filter</li>
<li>Use your Dyna Pro instrument to get: colloidal stability (kD/A2), thermal stability, viscosity or particle concentration</li>
</ul>
<blockquote>
Presenter: Dr. Christian Ackerschott
</blockquote>
<blockquote>
Dr. Christian Ackerschott studied Chemistry at the University of Cologne and finished with his diploma thesis in Biochemistry. He completed his studies with the PhD thesis “Characterization of Recombinant Flagelliform Spider Silk Proteins” at the Technische Universität München, where AF4-MALS was used as an essential characterization method.
</blockquote>
<blockquote>
Since 2007, Christian works at Wyatt Technology as Application Scientist and is now Head of Customer Service. His tasks also include customer trainings in Dernbach and onsite as well as education and training of the local Field Application Scientists.
</blockquote>

Waters Corporation: EU Live Interactive Web Series

RI & dn/dc

A perfect match: MALS and RI. The importance of dn/dc and how to determine it.

Development and production of IVT mRNA vaccines requires measurements of Critical Quality Attributes (CQAs), such as identity, purity, quality, and quantity. Orthogonal methods developed for such purposes are outlined in the USP guidelines for mRNA vaccines.
Agilent Technologies provides many analytical solutions that are used by leading pharmaceutical companies in early-stage drug development through production quality control (QC) and final product release. These systems help users save time and money with optimized workflows, streamlined processes, and fast time to results.
Whitney Pike, M.Sc, Application Scientist and Dr. Sonja Schneider, Manager Application Development, Agilent Technologies, will discuss how the automated electrophoresis and LC/MS systems solutions from Agilent provide trusted answers for IVT mRNA workflows at many steps, from QC of the initial plasmid DNA, throughout the IVT process, and the finished mRNA drug product.
<h5>Key learning objectives</h5>
<ul>
<li>Explore QC throughout the entire IVT mRNA workflow, including data from various nucleic acids and LNP analyses
</li>
<li>Discover how Agilent instruments/technologies, such as the Fragment Analyzer and LC/MS systems, can be used for different CQAs
</li>
<li>Learn how Agilent is working together with its partners to provide trusted answers for all aspects of the IVT mRNA workflow
</li>
</ul>
<h5>Who should attend?</h5>
<ul>
<li>Researchers, lab managers, lab directors, QA/QC managers performing IVT mRNA analysis in biotherapeutics research and production</li>
</ul>
<blockquote>
Presenter: Whitney Pike, MA (Application Scientist, Agilent Technologies)
</blockquote>
<blockquote>
Whitney Pike joined Agilent in 2016 and is an application scientist with a focus on Agilent’s automated electrophoresis instruments. She played a pivotal role in the release of the Femto Pulse system as a scientist on the product development team. She completed her master&#39;s degree in Biology, with an emphasis on cellular, molecular, and developmental biology, before working at a core facility at Iowa State University, responsible for performing next-generation sequencing studies.
</blockquote>
<blockquote>
Presenter: Dr. Sonja Schneider (Manager Application Development, Agilent Technologies)
</blockquote>
<blockquote>
Dr. Sonja Schneider joined Agilent in 2011 as an Application Scientist for biopharma applications. She has been leading the Application Development Team since 2016 and still works in the lab on up-to-date biopharma applications. She completed her diploma degree in Biology and her phD in Biochemistry before joining Agilent.
</blockquote>
<blockquote>
Presenter: Will Thompson (Editorial Team, SelectScience)
</blockquote>
<blockquote>
Will studied Biology at the University of Bristol, UK, and as a member of the Editorial team, he now plays an integral role in shaping the content on SelectScience.
</blockquote>

SelectScience: From start to finish: How Agilent Technologies can provide trusted answers for producing IVT mRNA-based vaccines

From start to finish: How Agilent Technologies can provide trusted answers for producing IVT mRNA-based vaccines

How the automated electrophoresis and LC/MS systems solutions from Agilent provide trusted answers for IVT mRNA workflows at many steps

Agilent Technologies in producing IVT mRNA-based vaccines

AAVs are attractive vehicles for targeted drug delivery. There are numerous Critical Quality Attributes (CQAs) evaluated to ensure safety and efficacy of AAVs. Aggregation is a CQA and should be controlled as AAVs are prone to aggregation from freeze thaw cycles during storage.
<ul>
<li>In this webinar, we will explore CQAs using a novel size exclusion column optimal for AAV analysis, which enables the separation of AAV monomer from aggregate species with excellent peak shape, resolution and peak profile to provide better data quality. Due to both the inert surface chemistry and flow-path in the BiozenTM dSEC-7 column, the analysis conditions were independent of the serotype showcasing the utilization of platform methodology.</li>
<li>In addition to calculating the aggregation level, aggregate molar mass, molar masses of protein and nucleic acid, and extinction coefficients of capsid and DNA were also determined. The novel particle chemistry of Biozen dSEC-7 provides instant stabilization of sensitive detectors like MALS to provide quality data.</li>
<li>Additionally, Full-to-Empty capsid ratio was determined to accurately predict capsid load demonstrating Biozen dSEC-7’s utility as a holistic solution for the determination of CQAs of AAVs.</li>
</ul>
Key Learning Points:
<ul>
<li>Learn how to optimize AAV aggregate analysis.</li>
<li>Understand how size exclusion can be effectively utilized for capsid load quantification.</li>
<li>Find out how optimized column specifications can improve data quality to determine critical quality attributes</li>
</ul>
Who should attend?
Any scientist, associate or manager that optimizes AAV aggregate analysis methods.
<blockquote>
Presenter: Claire Butré, PhD, (R&amp;D Technical Leader, Quality Assistance &amp; Ramkumar Dhandapani, PhD, Senior Product Management, Phenomenex)
</blockquote>

Phenomenex: Evaluation of AAV Aggregation & Capsid Load (Empty / Full) CQAs

Evaluation of AAV Aggregation & Capsid Load (Empty / Full) CQAs

Explore CQAs using a novel SEC column for AAV analysis, which enables the separation of AAV monomer from aggregate species.

Evaluation of AAV Aggregation & Capsid Load CQAs

This comprehensive seminar explores the use of High-Performance Thin-Layer Chromatography (HPTLC) in forensic science. Participants will gain in-depth insights into cutting-edge techniques for the analysis and identification of explosives, chemical warfare agents, drugs of abuse, and cannabis. Through practical examples and case studies, the seminar will demonstrate how HPTLC is employed for precise control and limit testing. This seminar is designed for forensic analysis professionals looking to enhance their expertise and improve the effectiveness of their investigations.
Key learning objectives
<ul>
<li>Find out how HPTLC is important in forensics.</li>
<li>Learn how HPTLC methods were developed for chemical warfare and explosives.</li>
<li>Discover pragmatic approaches using HPTLC</li>
</ul>
Who should attend?
This webinar would be beneficial for professionals and researchers working in forensic science, including forensic analysts, laboratory technicians, law enforcement personnel, forensic scientists, chemists, and anyone involved in the analysis of forensic evidence. Additionally, individuals interested in the application of chromatography techniques in forensic investigations would find this webinar valuable.
Certificate of attendance
All webinar participants can request a certificate of attendance, including a learning outcomes summary, for continuing education purposes.
<blockquote>
Presenter: Dr. Tiên Do (Chief Scientific Officer, CAMAG)
</blockquote>
<blockquote>
Tiên Do has been with CAMAG since 2014, rising to the role of Chief Scientific Officer in January 2024. In this capacity, she crafts and implements the organization&#39;s scientific vision, spearheading research and development efforts to propel scientific objectives forward. Additionally, she cultivates partnerships with academic and industry leaders to drive innovative collaborations. Prior to her current role, Tiên served as Head of Laboratory and Deputy Head of Laboratory.
</blockquote>
<blockquote>
Tiên earned her PhD from the University of Nice, France, for her dissertation titled &quot;Evaluation of HPTLC in the analysis of natural extracts.&quot; She shares her expertise as a lecturer at the Leiden University metabolomics workshop and has contributed 14 articles on HPTLC to esteemed peer-reviewed journals.
</blockquote>
<blockquote>
Presenter: Raphael Vizzini (Area Sales Director EMEA &amp; CIS, CAMAG)
</blockquote>
<blockquote>
Raphael Vizzini is an experienced Area Sales Director for EMEA and CIS at CAMAG, a role he has held since 2008. With a solid background in organic chemistry, specializing in small molecules, Raphael transitioned from science to sales, bringing a deep understanding of technical processes to his strategic sales initiatives. At CAMAG, he has successfully led and initiated numerous projects, particularly in the areas of explosives and chemical warfare. His expertise in navigating complex market dynamics and developing strategic partnerships has significantly contributed to the expansion and success of CAMAG’s operations in these regions.
</blockquote>
<blockquote>
Presenter: Dr. Carrie Haslam (Associate Editor, SelectScience)
</blockquote>
<blockquote>
Dr. Carrie Haslam is an Associate Editor at SelectScience, playing a key role in content production and specializing in Materials Science, Alzheimer’s disease and Clinical Diagnostics.
</blockquote>
<blockquote>
Carrie completed a Ph.D. from The University of Plymouth, where she developed graphene-based biosensors for the early diagnosis of Alzheimer’s disease.
</blockquote>

SelectScience: Unlocking Forensic Mysteries: Advanced HPTLC Techniques for Explosives and Chemical Warfare

Unlocking Forensic Mysteries: Advanced HPTLC Techniques for Explosives and Chemical Warfare

This comprehensive seminar explores the use of High-Performance Thin-Layer Chromatography (HPTLC) in forensic.

HPTLC Techniques for Explosives and Chemical Warfare

Join us for an engaging webinar on high throughput analytical data management featuring Holly Douglas, Senior Research Scientist from AstraZeneca.Discover how integrating the Reaction Optimization software solution is revolutionizing drug discovery by streamlining workflows and enhancing data quality. Register now for valuable insights into the future of high throughput experimentation.
We are excited to invite you to an insightful webinar titled “Accelerating High Throughput Experimentation Workflows using Automated Data Processing”, featuring Holly Douglas, Senior Research Scientist at AstraZeneca.
In this webinar, Holly will showcase how the integration of the Reaction Optimization software solution is revolutionizing synthetic workflow in drug discovery.
Discover how this innovative approach eliminates data processing bottlenecks, enhances data quality, and sets new standards for efficiency and reliability in high throughput experimentation.
Who Should Attend:
<ul>
<li>Organic, medicinal, or process chemists seeking to streamline their analytical workflows and enhance efficiency.</li>
<li>Lab or project managers interested in optimizing laboratory productivity by implementing innovative software solutions.</li>
<li>Scientists dealing with large volumes of analytical data, eager to explore automation possibilities.</li>
</ul>
SESSION 1 Wednesday, June 5th, 2024
4:00 pm CEST/10:00 am EDT/7:00 am PDT - <a href="https://zoom.us/webinar/register/3317162892383/WN_IplNoiMBTIixdpjcnIYcUA">Register Here</a>
SESSION 2 Thursday, June 6th, 2024
10:00 am CEST/2:30 pm IST/6:30 pm ACST - <a href="https://zoom.us/webinar/register/7617162915680/WN_RmP5j38rSfKSIX1FD2haZg">Register Here</a>
<blockquote>
Presenter: Holly Douglas (Senior Research Scientist, AstraZeneca)
</blockquote>
<blockquote>
Holly has a broad range of experience applying analytical chemistry techniques to a variety of research projects. The majority of Holly’s experience has been in the pharmaceutical industry having worked as an analytical chemist at GSK, Novartis and the MHRA, with roles based in drug discovery, process chemistry and final product testing. More recently Holly has worked at Owlstone Medical where she developed separation and detection methods for identifying volatile biomarkers in breath samples and the Francis Crick Institute where she was involved in the LC-MS investigation of the metabolomics and drug resistance of Mycobacterium tuberculosis. 
</blockquote>

Mestrelab Research: Accelerating High Throughput Experimentation Workflows using Automated Data Processing

Accelerating High Throughput Experimentation Workflows using Automated Data Processing

Integrating the Reaction Optimization software solution is revolutionizing drug discovery by streamlining workflows and enhancing data quality.

High Throughput Workflows with Automated Data Processing

In this webinar you will discover how extractables and leachables (E&amp;L) testing can be streamlined using acquisition modes enhanced by QTRAP technology. If you are new to E&amp;L testing or want to learn how your own workflows can be improved when using nominal mass technology then this webinar is for you.
Key topics that will be covered in this webinar include:
<ul>
<li>Introduction to E&amp;L analysis using nominal mass instrumentation</li>
<li>How the QTRAP can enhance E&amp;L analysis</li>
<li>The importance of libraries and how they can be implemented to improve compound identification</li>
</ul>
<blockquote>
Presenter: Ferran Sanchez (Market Development Manager, Pharma/CRO (MS &amp; CE), EMEAI, SCIEX)
</blockquote>
<blockquote>
Ferran obtained his PhD in Pharmaceutical Sciences at the University of Barcelona in 2005 and has been involved with mass spectrometry ever since. He has worked for SCIEX for 18 years holding different positions in sales, marketing and business development covering the EMEAI region. During this time, Ferran has been working closely with customers in the pharmaceutical industry to deepen his understanding of the market and user needs for delivering the right solutions at the right time.
</blockquote>
<blockquote>
Presenter: Jack Steed, Sr. (Technical Specialist, SCIEX)
</blockquote>
<blockquote>
Jack joined SCIEX in 2019 as a technical specialist, his main responsibilities include the creation and proliferation of technical marketing content such as application notes and presentations as well as having a strong focus on the pharma market and small molecule analysis. Prior to joining SCIEX, Jack was employed by a CRO working mainly in small molecule method development and validation, with an emphasis on LC and LC-MS analysis.
</blockquote>

SCIEX: Extractables and leachables: the complete workflow using QTRAP LC-MS/MS technology

Extractables and leachables: the complete workflow using QTRAP LC-MS/MS technology

Discover how extractables and leachables (E&L) testing can be streamlined using acquisition modes enhanced by QTRAP technology.

Extractables and leachables: QTRAP LC-MS/MS workflow

Limited understanding due to its complex pathophysiology and lack of definitive biomarkers currently constrains the diagnosis and treatment of Alzheimer’s disease (AD). But new research is uncovering dynamic brain changes during Alzheimer’s progression, offering potential therapeutic targets. This webinar explores how proteomics and systems biology can be integrated to elucidate AD pathology.
You’ll learn how mass spectrometry-based proteomics provides insights into brain changes and assists biomarker discovery in cerebrospinal fluid and plasma, and discover the potential of affinity-based proteomics for reliable biomarker identification. Our expert speaker will delve into intricate networks like proteostasis and the matrisome, highlighting their implications for therapeutic development.
Attend this webinar to:
<ul>
<li>Gain insights into the landscape of AD brain changes using unbiased mass spectrometry-based proteomics</li>
<li>Learn about biomarker discovery in AD cerebrospinal fluid and plasma through multi-platform proteomic analysis</li>
<li>Understand the potential of affinity-based proteomics, including modified aptamer technology, in identifying reliable biomarkers for AD</li>
<li>Explore the intricate networks associated with AD pathology and their implications for therapeutic development</li>
</ul>
<blockquote>
Presenter: Dr. Erik Johnson (Assistant Professor, Department of Neurology, Emory University)
</blockquote>

Technology Networks: Using Proteomics To Advance Understanding of Alzheimer’s Disease

Using Proteomics To Advance Understanding of Alzheimer’s Disease

You’ll learn how mass spectrometry-based proteomics provides insights into brain changes and assists biomarker discovery in cerebrospinal fluid and plasma.

Using Proteomics To Understand Alzheimer’s Disease

MALDI Imaging allows for interrogation of the spatial distribution of metabolites and lipids in tissue, as well as expanding targeted analysis to small molecules, glycans, and targeted proteins. Recent technical developments enable imaging for maximum biological information at robust (sub)cellular resolution. However, imaging entire tissue sections with high spatial resolution entails large number of pixels and requires extensive acquisition times. Thus, researchers are seeking for alternative high-speed chemical imaging techniques, which are conducted prior to MALDI Imaging to narrow down the regions of interest (ROIs) on large sample areas. Infrared Laser Imaging (ILIM) allows non-destructive, label free biochemical imaging of complete tissue sections within minutes – thus represents the ideal complementary analytical tool to make MALDI Imaging faster and smarter.
Webinar Overview
This webinar will introduce how breakthrough IR Laser Imaging performance is combined with best-in-class MALDI Imaging. Bruker’s new end-to-end workflow for IR Guided MALDI Imaging enhances sample throughput and provides increased analytical depth by offering maximized spatial resolution and collision cross section (CCS)-enabled label analysis for large-scale MALDI Imaging studies in biological and pharmaceutical research.
What to Expect:
Live presentation from Bruker’s experts to see the how tissue imaging has become faster than ever, the seamless integration of Infrared Laser Imaging (ILIM) into existing MALDI Imaging workflows and highlighting user stories, how IR Guided MALDI Imaging paves the way for deeper spatial multiomics of complex biological systems.
Who Should Attend:
<ul>
<li>MALDI Imaging users wanting to expand their workflows for increased sample throughput and analytical depth.</li>
<li>Scientists &amp; researchers interested in conducting multimodal imaging approaches for increased biological insight.</li>
<li>Anyone interested in learning more about Infrared Laser Imaging and MALDI Imaging capabilities.</li>
</ul>
<blockquote>
Presenter: Wojciech Kazmierski ( Country Manager, Bruker Optics, Poznan, Poland)
</blockquote>
<blockquote>
Presenter: Arne Behrens, Ph.D. (Application Scientist Imaging, Bruker Daltonics, Bremen, Germany)
</blockquote>
<blockquote>
Presenter: Domenic Dreisbach (Business Development Multimodal Imaging, Bruker Optics, Ettlingen, Germany)
</blockquote>

Bruker: Make MALDI Imaging faster and smarter with Infrared Laser Imaging

Make MALDI Imaging faster and smarter with Infrared Laser Imaging

IR Laser Imaging combined with best-in-class MALDI Imaging.

MALDI Imaging with Infrared Laser Imaging

Together with ALS Czech Republic, we bring you an exclusive webinar series offering insights into the world of per- and polyfluoroalkyl substances (PFAS). The three-part series will bring together regulatory experts from REGARTIS and environmental laboratories professionals of ALS Czech Republic to address PFAS from environmental risks to the evolving regulatory landscape and analytical challenges.
First, we will explore their uses, environmental hazards, and restriction efforts. The second part will be focused on analytics, helping attendees understand PFAS testing in various matrices and the implications of their widespread environmental presence. Finally, the series will offer a discussion on regulatory processes, compliance strategies, and the technical aspects of PFAS analysis, such as sampling rules and possible matrices types. The core aim of the series is to provide chemical industry stakeholders with the knowledge to effectively manage PFAS compliance and analysis both.
<h3>Changes to regulations and restriction</h3>
<ul>
<li>Mgr. Yana Tributsyna</li>
</ul>
The first session by REGARTIS will look into restrictions of PFAS under consideration due to their adverse effects and persistence in the environment. We will also discuss the global emissions and presence of PFAS and outline the upcoming regulatory changes. These include a detailed look at already restricted PFAS, the REACH restriction process, and new proposals that could impact a broad array of PFAS compounds.
<blockquote>
Presenter: Mgr. Yana Tributsyna (Regulatory Queen, REACH manager – REGARTIS)
</blockquote>
<blockquote>
Yana graduated from Charles University in Prague, where she studied molecular biology and genetics. She is skilled in REACH registration dossier compilation and SDS/eSDS creation, she also has experience with chemical auditing and biocidal regulations. She speaks fluently Russian, Czech, and English. She is a certified REACH manager.
</blockquote>

ALS Czech Republic: PFAS: Strategic Approaches for Chemical Industry Compliance

PFAS: Strategic Approaches for Chemical Industry Compliance - Changes to regulations and restriction

Look into restrictions of PFAS under consideration due to their adverse effects and persistence in the environment.

PFAS: Changes to regulations and restriction

Overview:
Nitrosamines – the current state of play
<ul>
<li>Background.</li>
<li>Potential Sources of Nitrosamines.</li>
<li>Practical Challenges for N-Nitrosamine Analysis.</li>
<li>Sample Preparation Approach for Analysis of N-Nitrosamines in Drug Products.</li>
</ul>
Key Learning:
<ul>
<li>A New SPE Method for for Simultaneous Quantification of 13 N-Nitrosamines in Various Drug Products</li>
</ul>
<blockquote>
Presenter: Dr. Heiko Behr (Senior Business Development Manager, Phenomenex)
</blockquote>

Phenomenex: New SPE Method for Simultaneous Quantification of 13 N-Nitrosamines in Various Drug Products

New SPE Method for Simultaneous Quantification of 13 N-Nitrosamines in Various Drug Products