Oligonucleotide and mRNA Analysis Resource Roundup

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

Article

Application

Popularization

Science and research

Poster

A unique company dedicated to serving science helping our customers drive productivity and accelerate results. Through our premier brands – Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific and Unity Lab Services.

Thermo Fisher Scientific

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

LabRulez

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

KNAUER

Agilent Technologies

Phenomenex

SelectScience

Shimadzu Corporation

Waters Corporation

When developing an LC method, there are various factors that can be tested to achieve the desired resolution and symmetry of the analytes.In this webinar we will discuss the various factors and give tips on developing a robust method.<blockquote>Presenter: Laura Montis (Product Specialist Liquid Phase Separations, Agilent)Laura began her carrier in the Liquid Chromatography over 15 years ago. After experiencing the pharmaceutical world in an analytical development lab, she went on to work with preparative chromatography and gained experience with Supercritical Fluid Chromatography prior to moving onto special HPLC applications, like 2DLC and Online LC.Throughout her career, Laura has held several positions, including application chemist, trainer, sales specialist, and marketing business development. She is currently Product Specialist for liquid phase chromatography systems within the International Distributor Organization in EMEA at Agilent Technologies.Laura studied analytical chemistry and holds a master’s degree from University of Lyon in France.</blockquote>

Agilent Technologies: HPLC Beginner Webinar Series

Method Development in HPLC

In this webinar we will discuss the various factors and give tips on developing a robust HPLC method.

Join our upcoming webinar on the MassHunter Quant Screener Tool to discover how to harness the power of quantitative analysis for effective screening and identification of potential suspect compounds.This session will provide in-depth guidance on creating methods from PCDL databases, evaluating result parameters, and generating straightforward summary reports. Additionally, learn how retention time (RT) prediction can enhance your screening process by significantly accelerating and simplifying large database searches.Don’t miss this opportunity to elevate your analytical capabilities!<blockquote>Presenter: &nbsp;Jonathan Spencer (Application Specialist, Agilent Technologies)Jonathan studied BSc Natural Sciences at the University of Nottingham and later went on to Sheffield Hallam University to study a MSc in Forensic Science.Following graduation, he spent 2 years as a Confirmatory Analyst in an anti-doping and forensic toxicology lab, before joining Agilent as an LC/MS Applications Scientist. At Agilent, he focuses on small molecule applications using LC/TQ and LC/Q-TOF in fields of like food, forensic and environmental analysis.</blockquote>

Agilent Technologies: MassHunter Masterclass Months

MassHunter Quant Screener Tool

Discover how to harness the power of quantitative analysis for effective screening and identification of potential suspect compounds. 

In this presentation, we will explore groundbreaking advancements in the bioanalysis of antisense oligonucleotides (ASO), achieving remarkable sub ng/mL limits of quantitation (LOQ). We’ll dive into practical and scalable solutions that ensure precise quantitation of these complex molecules.Discover innovative sample preparation techniques designed to maximize recovery, enhance repeatability, and boost LC-MS sensitivity. Additionally, we’ll showcase the latest LC-MS hardware from Waters, which not only delivers industry-leading negative ionization efficiency, but also saves valuable bench space and reduces utility usage compared to competitors.<h5>Key Learning Objectives:&nbsp;</h5><ul><li>Explore scalable solutions for quantifying complex oligonucleotides across a wide range of concentrations.</li><li>Discover practical approaches that enhance recovery, repeatability, and LC‑MS sensitivity.</li><li>Take advantage of the opportunity to attend the presentation live, where you'll have the chance to ask questions, engage, clarify, and deepen your understanding of the latest innovations in bioanalysis.</li></ul><div><blockquote>Presenter: Andrew Leightner (Senior Principal Market Development Manager, Pharmaceuticals and Biopharmaceuticals, Waters Corporation)<div>Andy Leightner has over 10 years of experience serving the pharma market from contract research organizations. He specialized in method development and validation leveraging LC, GC, and mass spectrometry to meet complex client needs. He supports pharmaceutical and biopharmaceutical discovery and development in the Americas for Waters Corporation. Andy received a bachelors degree in biology from the University of Wisconsin-Madison.</div></blockquote></div>

Elevating Oligonucleotide Bioanalysis: LOQ, Dynamic Range, and Innovative Sample Preparation Techniques

We will explore groundbreaking advancements in the bioanalysis of antisense oligonucleotides (ASO), achieving remarkable sub ng/mL limits of quantitation (LOQ).

Oligonucleotide Bioanalysis: LOQ, Dynamic Range, SamplePrep

We’ll work through a topic of the week and discuss any questions that come up along the way. During these sessions, we’ll talk about how to care for your SEC-MALS or FFF-MALS system, help you brush up on your ASTRA and DYNAMICS data processing, discuss measuring dn/dc values and why dn/dc is important, and see how stable RI baselines are achievable.Working with polydisperse samples? We’ll see how to leverage ASTRA’s distribution analysis and results fitting features. Special topics on error analysis, batch MALS work, and more.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.Session Topics<ul><li>Methods for branching characterization</li><li>Abnormal SEC elution of branched polymers</li><li>Average branching characteristics</li></ul><blockquote>Presenter: Dr. Christian AckerschottDr. 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.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. &nbsp;</blockquote>

Analysis of Biopolymers

We’ll talk about how to care for your SEC-MALS or FFF-MALS system, help you brush up on your ASTRA and DYNAMICS data processing, discuss measuring dn/dc values.

Key Learning Points:<ul><li>Gain a comprehensive understanding of solvent miscibility and recognize its significance</li><li>Develop an in-depth comprehension of how to properly solvent switch a column, and the potential consequences associated with incorrect procedures</li><li>Familiarize yourself with a standardized protocol for transitioning an LC column from one solvent system to another, ensuring a seamless solvent switch</li></ul>Who Should Attend:&nbsp;Any LC users who are looking to understand the factors that can impact a systems backpressure and how to mitigate potential backpressure problems.<blockquote>Presenter: Koen Askamp (Technical Specialist, Phenomenex)I am from the Netherlands, studied Molecular Life Sciences at Wageningen University (Netherlands), majoring in immunology. Analytical Chemistry was one of my favorite courses – who doesn’t love solving puzzles?I like drumming, scuba diving, motorcycle-riding, and this past winter I learned how to ski (a little)! &nbsp;</blockquote>

LC Pressure 101

Familiarize yourself with a standardized protocol for transitioning an LC column from one solvent system to another, ensuring a seamless solvent switch.

<div><div dir="" aria-atomic="true">Quality control (QC) labs today require instruments that can accurately and reproducibly tackle a broad range of applications in a way that is reliable and compliance ready.Join us for an interactive educational session where we explore how the expansion of liquid chromatography (LC) detection can significantly enhance the capabilities and possibilities in QC analyses. See how the addition of PDA detection in an integrated, next-generation HPLC system, elevates QC labs to achieve:<ul><li>Enhanced analytical capabilities: Discover how the use of columns with smaller particle sizes facilitates seamless method adjustment or scaling on the Alliance iS HPLC System.</li><li>Wide application range: Suitable for a broad range of compounds due to its versatile wavelength range.</li><li>Method migration support: Tools to support moving methods from other HPLC systems, ensuring comparable results.</li><li>Data integrity: Provides reliable and reproducible results crucial for regulatory compliance and quality control.</li></ul>Introducing the Alliance iS HPLC SystemThe Alliance iS HPLC system is the first-of-its-kind LC system that brings intuitive simplicity and performance to routine analyses. Initially impressing pharmaceutical QC lab teams with its integrated TUV detector, it has evolved to serve QC biopharma labs with the Alliance iS Bio HPLC System, featuring MaxPeak High Performance Surfaces (HPS) Technology.Now, with the latest addition of the integrated PDA detector, the Alliance iS HPLC System enters a whole new arena of applications.Next-Level UV Analysis for QC Labs<ul><li>3D spectral data acquisition wavelength: Capable of recording multiple 2D channels and 3D spectrum.</li><li>Versatile PDA detector: Applicable to any UV-based HPLC method with an wavelength range of 190-800 nm, allowing for the exploration and tracking of multiple peaks of interest with various lambda max.</li><li>Peak purity analysis: Conduct peak purity analysis through Empower Chromatography Data System (CDS).</li><li>Peak identification and confirmation: Identify or confirm peaks by individual spectrum, a key step in assay, impurity, and ID pharmaceutical methods.</li></ul>Case Studies<ul><li>Scaling a method from the Alliance iS HPLC System with PDA Detector: Learn how to scale an HPLC method to 2.5 um particle column on the Alliance iS HPLC System with PDA detector, taking advantage of pressure range for shorter run times and lower solvent consumption.</li><li>Method migration of a USP monograph to the Alliance iS HPLC System with PDA Detector: Understand impact of instrument characteristics on method migration or transfer, and how to successfully move your method from different vendor systems to the Alliance iS HPLC System with PDA Detector.</li></ul>Don't miss this opportunity to learn how to leverage the latest advancements in LC detection to enhance your QC lab's capabilities and efficiency.<blockquote>Presenter: Patrick Flanagan (Principal Product Marketing Manager, QA/QC, Waters Corporation)</blockquote><div><blockquote>Patrick Flanagan is a Principal Product Marketing Manager in Waters’ QA/QC Division, where he has worked for over six years. He currently is responsible for product marketing and product management activities for Waters’ next generation HPLC systems.He received his bachelor’s in science degree from Worcester Polytechnic Institute in Biochemistry and worked for 15 years as a formulation scientist.Patrick began his career in Waters’ product management department responsible for optical detection, multi-dimensional systems, the Alliance HPLC System, Arc Premier System, Arc HPLC System, and the new Alliance iS HPLC System. His recent work has been focused on the development of innovative new products for pharmaceutical QA/QC departments.</blockquote><blockquote>Presenter: Lise Gauthier (Principal Evaluation Scientist, Waters Corporation)Lise Gauthier is Principal Scientist within the QA/QC Business Strategy group at Waters Corporation in Milford, MA. Prior to joining Waters in 2014, Lise worked in the pharmaceutical industry holding within Quality Assurance and Drug Discovery. Her current role at Waters includes system validation and evaluation of competitive systemsPresenter: Amanda Dlugasch (Senior Scientist, Waters Corporation)Amanda Dlugasch is a Senior Scientist in the QA/QC Strategy and Growth Department at Waters Corporation in Milford, MA. She received her B.A. in Chemistry from Manhattanville College and her M.S. in Chemistry from Sacred Heart University. She started at Waters Corporation in the Instrument Evaluation group developing qualification protocols for newly released products. Upon transferring to the QA/QC Strategy and Growth Department, her initial focus was to evaluate and provide application and training material for the release of ACQUITY Arc UHPLC System. She studied how LC instrument design and LC system characteristics influence chromatography when transferring, scaling, and modernizing methods. Currently, she is working on evaluating the Alliance iS HPLC System.</blockquote></div></div></div>

Waters: Expanding Capabilities in QC Analyses with Advanced LC Detection

Expanding Capabilities in QC Analyses with Advanced LC Detection

Explore how the expansion of liquid chromatography (LC) detection can significantly enhance the capabilities and possibilities in QC analyses. 

Analyses with Advanced LC Detection

<div id="zephr-body-wall"><div>Recent technological and computational advances in spatial transcriptomics have increased interest in complementary techniques for characterizing the multi-dimensional architecture of tissues, such as using mass spectrometry imaging (MSI) to map the distribution of metabolites and lipids.Unlike liquid chromatography/mass spectrometry (LC/MS), where metabolites and lipids are usually measured from whole samples in bulk, MSI uses a scanning probe to collect spatially resolved data across a tissue section. Although its chemical coverage is typically inferior to LC/MS, MSI can still measure metabolites and lipids with high sensitivity and molecular specificity.Dr. <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/articles?search=Gary+Patti">Gary Patti</a>, Professor of Chemistry, Genetics and Medicine, Washington University, will provide an overview of the various technologies available for MSI, covering different sources and mass spectrometers, from home-built solutions to commercial options. The pros and cons of each approach will be briefly discussed, and their application to imaging metabolic fluxes will be explored.Key learning objectives<ul><li>Understand the advantages and disadvantages of MSI compared to LC/MS analyses</li><li>Explore the best way to establish metabolite identifications when performing MSI</li><li>Discover the benefits of using triple quadrupole instruments for MSI</li><li>Consider the benefits of coupling MSI with isotope labelling</li></ul>Who should attend?<ul><li>This event is intended for anyone with an interest in mass spectrometry imaging or spatial biology. Extensive expertise in mass spectrometry is not required.</li></ul>Certificate of attendance All webinar participants can request a certificate of attendance, including a learning outcomes summary, for continuing education purposes.<blockquote>Presenter: <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/articles?search=Gary+Patti">Gary Patti, Ph.D.</a> (Professor of Chemistry and of Genetics and Medicine, Washington University)Moderator: Matilde Marques (Life Sciences Assistant Editor, SelectScience)</blockquote></div></div>

SelectScience: Metabolite imaging signals the next frontier in spatial biology

Metabolite imaging signals the next frontier in spatial biology

An overview of the various technologies available for MSI, covering different sources and mass spectrometers, from home-built solutions to commercial options.

Metabolite imaging - the next frontier in spatial biology

As CHO-based processes for recombinant proteins continue to have increased cell densities and titers, the need for advancement in clarification technologies is of importance to enable manufacturing scalability. A novel technology, anion exchange (AEX) fiber chromatography, aims to address this challenge and has proven to be scalable up to large commercial manufacturing. This approach combines the ease of filter-like flowthrough operation and scalability, as well as the separation precision of chromatography.Join Dr. Masa Nakamura, Senior Application Development Specialist, Solventum, as he showcases a new clarification platform strategy that can offer seamless implementation and deployment from discovery to clinical and commercial manufacturing. It can also provide consistent and high-quality clarified fluid to enhance commercialization productivity.Key learning objectives<ul><li>Learn about the application of synthetic fiber chromatography to the clarification unit operation</li><li>Explore a novel approach to harvest and clarification in CHO processes</li><li>Understand options to overcome scale up challenges and to reduce soluble impurities during clarification</li></ul>Who should attend?Scientists, Engineers, and Heads of process development, manufacturing, MSAT, and CMC from biopharmaceutical organizations focused on recombinant protein production in CHO expression systems.Certificate of attendanceAll webinar participants can request a certificate of attendance, including a learning outcomes summary, for continuing education purposes<blockquote>Presenter: Masa Nakamura, PhD (Senior Application Development Specialist, Solventum, Bioprocessing Filtration)</blockquote><div><blockquote>Dr. Masa Nakamura, Senior Application Development Specialist for Solventum, is responsible for developing new products and applications for biopharmaceutical clarification and purification processes, including the development of fiber chromatography products. He has over 25 years of bioseparation and bioengineering experience in academic and industry. He received his BS in Chemical Engineering and PhD in Biochemical Engineering from the University of Tokyo, Japan.Moderator: Matilde Marques (Life Sciences Assistant Editor, SelectScience)</blockquote></div>

SelectScience: Scalable chromatographic clarification platform for mAb manufacturing in CHO systems 

Scalable chromatographic clarification platform for mAb manufacturing in CHO systems 

A new clarification platform strategy that can offer seamless implementation and deployment from discovery to clinical and commercial manufacturing.

Chromatographic platform for mAb manufacturing in CHO

Are you ready to transform your pharmaceutical operations? Don’t miss our exclusive session on Shimadzu Digital Classrooms and begin your journey towards Pharma digital transformation (DX). Discover how Shimadzu’s pioneering AI technologies and digital solutions are ushering in a new era of pharma innovation.In this informative session, explore how Shimadzu is reshaping the drug development landscape. Learn how our innovative tools effectively streamline workflows, enhance lab efficiency, and maintain strict compliance with regulatory standards.Whether you’re a forward-thinking researcher, a quality assurance professional, or a strategic decision-maker, this session is your gateway to mastering AI and digital transformation. Equip yourself with the expertise and resources to stay ahead in the industry.This is an opportunity not to be missed – Register Now!Learning Objectives:&nbsp;<ul><li>Understand how to stay conforming to the Pharma regulations and USP 621 changes with Shimadzu Living Laboratory</li><li>Explore Shimadzu AI and Automation to elevate your lab workflows effectively</li><li>Learn about the AI features of Shimadzu Ai-series and Nexera series</li><li>Gain insights into efficient quality control strategies with Shimadzu Data Management and Software</li></ul><blockquote>Presenter: Liw Wan Tung (Assistant Market Manager (Pharma) Shimadzu (Asia Pacific) Pte Ltd)Wan Tung is the LC Product Manager and Pharmaceutical market in-charge at Shimadzu Asia Pacific Pte Ltd. She is the LC expert with more than 15 years of working experience in analytical science, specializing in method development of various LC and LCMS applications. In 2012, she joined Shimadzu to develop end-to-end workflow solutions for the customers. She has supported a multitude of applications from impurity analysis to drug discovery and biopharmaceutical applications. Prior to joining Shimadzu, Wan Tung started her professional career as a QAQC chemist in Pharmaceutical multinational company. Wan Tung earned her bachelor’s honour's degree in chemistry back in 2009.Presenter: Kanimozhi Sivarajan (Informatics Manager Shimadzu (Asia Pacific) Pte Ltd)Dr. Kani is having 10 years of experince in Laboratory Management and Informatics &nbsp;Systems. She is serving as Informatics Manager at Shimadzu Asia Pacific, Singapore, &nbsp;providing Lab Informatics Solutions such as LabSolutions CS, LIMS and other QMS applications. She is supporting customers from various segments on implementing laboratory automation and responsible for providing consultation on streamlining Lab Workflows, Regulatory Compliance requirements for Electronic Data Management and Lab Practices/Analysis.&nbsp;</blockquote>

Shimadzu:  Realizing Pharma DX: Discover Shimadzu’s AI-Driven Solutions And Automation

 Realizing Pharma DX: Discover Shimadzu’s AI-Driven Solutions And Automation

Discover how Shimadzu’s pioneering AI technologies and digital solutions are ushering in a new era of pharma innovation.

Pharma DX: Shimadzu’s AI-Driven Solutions And Automation

This presentation discusses the work being done to understand how drugs work and how they can be repurposed for new indications. Prof. Küster’s lab uses various technologies and methods, such as sample preparation, mass spectrometry, and informatics, to study the proteome and fosso-proteome of cancer patients.The goal is to find the right drug for the right person by understanding what is going wrong in the patient and what the drugs can do. By studying drug-protein interactions and pathway engagement in a dose-dependent fashion, this research aims to make better treatment recommendations. The lab has developed a technology platform that allows for the systematic profiling of kinase inhibitors and the measurement of proteome expression changes in response to drugs.This information can help prioritize biological effects and facilitate drug repurposing. This presentation highlights the importance of studying proteins in understanding drug mechanisms of action and identifying potential targets for cancer treatment.Learning points:<ul><li>Importance of Repurposing Drugs &nbsp;</li><li>Role of Proteomics in Precision Oncology &nbsp;</li><li>Dose-Dependent Analysis &nbsp;</li></ul><blockquote>Presenter: Prof. Bernhard Küster (Technical University Munich)Bernhard Küster holds a chemistry degree from Cologne, a PhD in Biochemistry from Oxford and did a PostDoc at the EMBL in Heidelberg and the University of Southern Denmark. After seven years as Vice President Analytical Sciences and Informatics at Cellzome (now GSK), he became.​Full Professor of Proteomics at the TU Munich in 2007. He also directs the Bavarian Biomolecular Mass Spec-trometry Center and the Clinical Mass Spectrometry Center Munich.​Bernhard’s research focuses on proteomics and its application to chemical and cancer biology. He is interested in understanding how cancer drugs actually work and has received an ERC Advanced Grant in 2019 aiming to integrate proteomics into precision medicine. Bernhard has received several awards, including from HUPO for a draft human proteome and his contri-butions to chemical proteomics. Bernhard is a member of the German National Academy of Science, Leopoldina and has co-founded two start-up companies that operate in the area of proteomics and artificial intelligence.</blockquote>

Thermo Fisher Scientific: Understanding drugs using proteomics

Understanding drugs using proteomics

This presentation highlights the importance of studying proteins to understand drug mechanisms and identify potential targets for cancer treatment