He is one of only ten scientists working in Europe who secured the prestigious EMBO Installation Grant this year. After four years in the United States, immunologist Matouš Vobořil recently returned to the Faculty of Science at Charles University to build his own team and advance research focused on the development of immune cells and their training in the thymus. His efforts to combat autoimmune diseases have already caught the attention of numerous grant review panels.<h5>Reportedly, one of the motivations for your studies was the awareness that in science, there is still more that is unknown than what is known. You made this statement after receiving the Doctorandus Award for Natural Sciences in 2020, adding that during your lifetime you would like to shift something toward the “known” category. How has that been going so far?</h5>The topic for which I&nbsp;take the greatest credit to date is one I&nbsp;began exploring during my doctoral studies and fully developed as a&nbsp;postdoctoral fellow in the U.S., and that is inflammation of the thymus. When you delve into the literature and articles focused on autoimmune diseases, eventually you begin to notice that autoimmune diseases often develop after undergoing some kind of infection. This is particularly evident in connection with long COVID. During inflammatory processes in the body, the immune system responds, and we were interested in whether there is a&nbsp;mechanism that recognises this inflammatory response and teaches T-lymphocytes (immune cells) that this is not a&nbsp;problem, but rather a&nbsp;process inherent to the body.During my doctoral studies, I&nbsp;investigated the basic inflammatory response in the thymus, without the presence of actual bacterial or viral inflammation. This turned out to be extremely important. Over time, we discovered that the thymus contains many antiviral molecules and molecules that play a&nbsp;key role in allergic reactions or in the recognition of bacteria and viruses. These molecules create a&nbsp;specific environment in the thymus that mimics what may happen in our bodies later in life, and they train T-cells not to respond to these stimuli. I&nbsp;consider this to be my greatest contribution to the field. Of course, there are still many unexplored areas in this field.<h5>The interview I was referring to was published in the magazine of the grammar school where you studied, and which proudly acknowledges your scientific achievements. Was that where your interest in science first began to show?</h5>The fact that I&nbsp;studied in Dvůr Králové nad Labem was a&nbsp;huge stroke of luck. Not only is there a&nbsp;zoo, where my parents used to work, so I&nbsp;spent a&nbsp;lot of time there, but thanks to that, I&nbsp;also joined the local Natura club, which brought together people interested in nature and was led by the Dobroruk couple. When I&nbsp;was ten, my parents sent me to a&nbsp;nature-oriented summer camp with them, and I&nbsp;ended up staying with them – which is why I&nbsp;also attended the local high school, where Mrs. Dobroruková taught. She was a&nbsp;wonderful teacher. Her classes really encouraged students to think about what’s&nbsp;happening in nature. Thanks to that, I&nbsp;began participating in biology competitions and got involved in the Czech high school research competition. Although my first scientific experiments focused on ornithology, they gave me the opportunity to present scientific data and meet many people from the Faculty of Science at Charles University, including Professor Jan Černý, who lectured our class on immunology. Suddenly, while still in high school, I&nbsp;realized that this was the path I&nbsp;wanted to take.<h5>During your master’s studies, you joined the team of immunologist Dominik Filipp at the Institute of Molecular Genetics of the Czech Academy of Sciences, where you then continued as a doctoral student. How did working with him influence you, and where did it lead you?</h5>Dominik Filipp had several ongoing projects related to the peripheral immune response, signalling, and identification of viruses and bacteria. The project I worked on focused on a rare population of cells found in lymph nodes or the spleen. I studied the effect of pathogen-recognising receptors on these cells. Since these cells are similar to those in the thymus and I needed a negative control, I used the thymus for that purpose. To our surprise, the result was not negative but positive. This led us to the phenomenon itself and prompted us to begin investigating its consequences in the thymus.<h5>You then travelled overseas to study this discovery – which you actually made rather by chance – in detail. What was your experience like at American research institutions?</h5>Amazing. I&nbsp;went to the University of Minnesota to work with particular people, especially my future supervisor, Kristin Hogquist. I&nbsp;had met her at several conferences while I&nbsp;was still in my PhD programme, and I&nbsp;had a&nbsp;feeling that our collaboration could work well both professionally and personally.But we were also fortunate to pick Minnesota. It’s&nbsp;a&nbsp;great place to live, and at the same time, excellent science is being conducted there. The Center for Immunology, where I&nbsp;worked, rivals the world’s&nbsp;leading scientific institutions in terms of its research results. I&nbsp;think this is mainly down to the highly supportive environment there, which fosters collaboration. Thanks to this, you can really grow as a&nbsp;scientist there.In addition, they focus on explaining and describing the chosen phenomenon as a&nbsp;whole, rather than worrying too much about whether it will result in one or five articles, or whether it will take ten years. Their method of funding supports this approach. In a&nbsp;system of short-term grants, as we know it here, you can’t structure research this way. That’s&nbsp;a&nbsp;major disadvantage for us.<h5>How did you develop your own research there?</h5>It was there that I&nbsp;fully realized the potential of what we had discovered in the lab in Prague. Kristin Hogquist and her team were working on something similar, but it wasn’t until we teamed up that we were able to take it further. I&nbsp;focused primarily on how various antiviral signals or signals triggered during allergic reactions influence T-cell training and defence against autoimmune diseases following viral infections or allergic reactions. Suddenly, it became clear that this was a&nbsp;vast topic and the foundation for establishing a&nbsp;separate subfield of research on tolerance (the training of immune cells in the thymus so that they do not harm the body while remaining capable of fighting pathogens).One great thing was that two labs were coming together at the facility: the one led by Kristin Hogquist and the other led by her husband, Stephen Jameson, which focuses on how different types of infections affect T-cell activation and their response. I&nbsp;realised that these two areas needed to be connected, and I&nbsp;based my own research plan on that – namely, to study how the inflammatory environment, actual inflammation, and viral or bacterial infections can retroactively influence processes in the thymus. This is a&nbsp;topic that no one has addressed yet.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Forum_UK_Voboril_O_imunitnim_systemu_toho_stale_mnoho_nevime_2_b020119f2e.jpg" alt="Forum UK/Petr Jan Juračka: Vobořil: There is still much to learn about the immune system: As head of research, Matouš Vobořil strives to ensure that everyone on his team feels comfortable." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Forum_UK_Voboril_O_imunitnim_systemu_toho_stale_mnoho_nevime_2_b020119f2e.jpg 234w," sizes="100vw" width="1000" height="667"><h5>You mentioned how important it was to you that you got along with Kristin Hogquist not only professionally but also on a&nbsp;personal level. To what extent did you take this “personal” aspect into account when putting together your own team at CU SCI?</h5>This is tremendously important to me. Kristin Hogquist is not only an outstanding researcher, but also a&nbsp;very kind person. And that really helped me feel at home in the American environment, which sometimes tends to become highly competitive. I&nbsp;realized that I&nbsp;would like those who will one day work on my own team to feel the same way I&nbsp;did on hers.<h5>So far, we’ve been talking about what led you to science. Have you, on the other hand, encountered anything during your career so far that has discouraged you from pursuing science?</h5>Moving overseas with my family and my two-and-a-half-year-old son during the pandemic wasn’t the easiest thing to do. We had to apply for a&nbsp;national exemption just so that I&nbsp;and my family would be allowed into the U.S. at all. Fortunately, as an immunologist, I&nbsp;fell into a&nbsp;special category subject to less stringent pandemic restrictions. Packing up the family, moving overseas, and learning to navigate a&nbsp;completely different system is undoubtedly a&nbsp;major challenge. It required sacrifices not only from me, but above all from my wife, who had to put her own career on hold for several years because of mine. This is one of the biggest and most demanding obstacles that scientists and their families must overcome.The second major obstacle you have to deal with as a&nbsp;scientist is paperwork – something I’ve only fully realized now that I’m leading a&nbsp;research group. Even though you hear about it from those around you, it still doesn’t prepare you for when it comes. As a&nbsp;trainee, you do science and conduct experiments in the lab, but suddenly everything shifts, and you become a&nbsp;manager and administrator of all sorts of things. I&nbsp;spend about 30 percent of my time on paperwork. It’s&nbsp;not exactly fun.<h5>You obtained a&nbsp;Primus grant, a&nbsp;Junior Star grant from the Czech Science Foundation, and most recently an EMBO Installation Grant. What research challenges do you now face with these grants?</h5>I&nbsp;would also like to apply for an ERC Starting Grant this year as well. In the Junior Star project, we are studying cell migration to the thymus. We hypothesize that so-called dendritic cells migrate to the thymus from the periphery (skin, lungs, intestines) – that is, from sites exposed to the external environment and inflammation. These cells are thought to bring information about their own antigens to the thymus and teach developing T-cells tolerance. We aim to determine whether this migration actually occurs, under what circumstances, and how important it is for establishing tolerance to specific tissues. This could help answer the question of why autoimmune skin diseases, such as psoriasis, develop following inflammatory processes.The second objective is broader. We would like to answer a&nbsp;major question in immunology: why do autoimmune diseases develop after a&nbsp;person has had an infection? We want to study how different types of inflammation (viral, bacterial, or yeast infections) affect the training of immune cells in the thymus.We would like to introduce a&nbsp;system of so-called “dirty mice.” The entire field of immunological research is based on working with mice raised in sterile conditions so that we can easily manipulate them and observe how these manipulations affect the immune system. In reality, however, the immune system does not function this way. I&nbsp;brought this idea back from the University of Minnesota, where they placed standardized mice in the same cage with mice purchased from various pet stores around Minneapolis. After a&nbsp;few weeks to months, the mice contract almost everything the store-bought mice have, thereby developing a&nbsp;true physiological immune response. Yet they are still the same mice – genetically identical – that we can manipulate. This is an excellent system that allows us to study immune responses in a&nbsp;much more physiological context.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Forum_UK_Voboril_O_imunitnim_systemu_toho_stale_mnoho_nevime_3_c458457e12.jpg" alt="Forum UK/Petr Jan Juračka: Vobořil: There is still much to learn about the immune system " srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Forum_UK_Voboril_O_imunitnim_systemu_toho_stale_mnoho_nevime_3_c458457e12.jpg 234w," sizes="100vw" width="1000" height="667"><h5>Will you be applying for a&nbsp;European Research Council (ERC) grant with that goal in mind?</h5>Exactly.<h5>In order to succeed in the competition for ERC grants, the projects should push the boundaries of knowledge, which also involves a&nbsp;certain degree of risk. Where do you see the greatest risks in your own research?</h5>There are many risks. One of the biggest is that although all the infections we plan to introduce are controlled and well-documented, you still never have full control over them. So it’s&nbsp;possible that not only will the mice become peripherally infected, but the thymus itself will also become infected, which could complicate the experiments. At the same time, this is a&nbsp;physiological system – and I’m talking mainly about the “dirty mice” – which means that each mouse will respond a&nbsp;little differently, and that will generate enormous variability in the samples. Immunologists strive to have the purest system possible, so that when they introduce, for example, a&nbsp;single infectious agent, they can then observe exactly what’s&nbsp;happening there. In this regard, we are actually taking a&nbsp;step back, so to speak, because we want it to be more variable and closer to reality. Setting up and analysing data from such experiments so that they’re reproducible and reveal a&nbsp;real phenomenon can be a&nbsp;real challenge. But that’s&nbsp;the only way we can get closer to real life.<h5>The most recent Nobel Prize in Physiology or Medicine was awarded to three immunologists: Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi, who recently gave a&nbsp;lecture in Prague. Did you meet him? How much did awarding the Nobel Prize to immunologists motivate you further in your work?</h5>When Shimon Sakaguchi was in Prague, I&nbsp;was still in the U.S., but I&nbsp;did meet him several times at various conferences and even had the opportunity to talk with him on multiple occasions, given that we’re both involved in T-cell research. In our community, people have long been placing bets on when they’ll finally get the Nobel Prize. For me, their discoveries are truly inspiring, but the Nobel Prize itself doesn’t motivate me that much anymore. I&nbsp;find the story behind it to be more interesting. It took a&nbsp;very long time for the scientific community to accept their findings. One of the seminal articles was published in the Journal of Immunology, which isn’t a&nbsp;journal with as high a&nbsp;profile as Nature or Science, and not one where you’d expect to read about such a&nbsp;groundbreaking discovery. It took several years before it became clear just how significant this discovery was. Now I&nbsp;often remind my students of this – even an article in the Journal of Immunology can win you a&nbsp;Nobel Prize, and that is incredibly inspiring.<blockquote><h5>Matouš Vobořil, PhD</h5>Graduate of the Faculty of Science at Charles University. His research focuses on the development of immune cells in the thymus, the onset of autoimmune diseases, and the function of antigen-presenting cells. After spending four years as a&nbsp;postdoctoral fellow at the University of Minnesota on Kristin Hogquist’s&nbsp;team, he returned to Europe in 2025. Thanks to a&nbsp;Primus grant from Charles University, he established his own research group at the Faculty of Science. He subsequently received a&nbsp;Junior Star grant from the Czech Science Foundation and, this January, an EMBO Installation Grant. For his dissertation, he was awarded the Doctorandus Prize as part of the Česká hlava initiative.</blockquote>

Vobořil: There is still much to learn about the immune system 

<h3>How are PFAS regulations changing, and what role will ion chromatography play in the future of environmental testing?</h3>In this episode, &nbsp;David interviews Jay Gandhi, PhD, Vertical Markets Manager at Metrohm USA, for an in-depth discussion on PFAS analysis, the rise of AOF (Adsorbable Organic Fluorine) testing, and the development of EPA 1621 and ISO 18127 standards.With more than 30 years of experience in ion chromatography, Jay shares valuable perspective on how the field has evolved—from early applications and NASA water recovery projects to today’s challenges involving PFAS, TFA, and emerging contaminants.<h4>Topics covered in this episode include:</h4><ul><li>What PFAS are and why they matter</li><li>The difference between targeted PFAS methods and AOF analysis</li><li>How combustion ion chromatography works</li><li>Behind the scenes of EPA 1621 and ISO 18127 method development</li><li>Regulatory trends in water, textiles, and food packaging</li><li>TFA analysis using IC-MS and IC-MS/MS</li><li>The future of ion chromatography in environmental labs</li></ul><h3>Video Transcription</h3>For more than three decades, Jay Gandhi has worked with ion chromatography (IC), watching the technique expand from a specialized tool for water analysis into an analytical platform used across environmental testing, food and beverage analysis, semiconductor manufacturing, battery applications, and, increasingly, PFAS analysis.In an interview for Concentrating on Chromatography, Gandhi discusses his introduction to IC during his work on a NASA Mars exploration project, the emergence of PFAS as a major analytical challenge, and why techniques such as adsorbable organic fluorine (AOF) determination and combustion ion chromatography (CIC) can provide information that targeted LC-MS analysis alone cannot deliver. He also examines the development of standardized methods, sample preparation challenges, and the future role of IC-MS and total fluorine approaches in PFAS monitoring.<h4>From NASA to ion chromatography</h4>Gandhi's introduction to ion chromatography came through his work as a principal scientist on a NASA Mars exploration project focused on water recovery under zero-gravity conditions. IC played an important role because it enabled researchers to establish the ionic balance of anions and cations in water.The technology was used both to investigate micronutrients relevant to agricultural applications and to evaluate water purity for potential astronaut consumption. During approximately three years of this work, Gandhi gained extensive experience with ion chromatography. This ultimately led him deeper into IC instrumentation and, 24 years ago, to joining Metrohm.At the beginning of his career, IC was strongly associated with relatively straightforward anion and cation analysis in water. The technique itself had been used for water analysis since the 1970s, but Gandhi has seen its application range expand dramatically.Food and beverage testing and environmental analysis became important fields, supported by both direct and indirect detection strategies. More recently, IC has also found applications in areas such as the semiconductor industry and battery recycling.In Gandhi's words, ion chromatography has effectively "bloomed" into numerous application areas.<h4>PFAS changes the analytical challenge</h4>PFAS represent a particularly important chapter in this development. These chemicals have been used for decades in numerous consumer and industrial products, including non-stick materials, firefighting foams, water-resistant textiles and other applications.Gandhi recalls work on PFOA and PFOS using ion chromatography with conductivity detection as early as 2008. However, the achievable detection limits were insufficient for the extremely low concentrations that later became important in PFAS analysis.A major turning point for him came in 2015, when he encountered research from Sweden using combustion ion chromatography to investigate total fluorine. Subsequent collaboration with researchers at Clarkson University and Harvard University, particularly on aqueous film-forming foam (AFFF), further demonstrated the importance of looking beyond individual targeted PFAS compounds.<h4>Why targeted LC-MS does not tell the whole story</h4>Targeted LC-MS is highly sensitive and selective and can provide detailed information about individual PFAS compounds. However, according to Gandhi, the number of possible PFAS structures in the environment is vastly greater than the number routinely included in targeted methods.A targeted method may monitor dozens or perhaps around one hundred compounds, while the overall PFAS universe can include thousands of chemical structures. Consequently, targeted analysis may characterize only a small fraction of the total PFAS burden.There are other practical considerations. LC-MS measurements can be affected by matrix-dependent ion suppression, while accurate quantification frequently relies on isotope-labelled internal standards. Such standards are available for only a limited number of compounds and can be expensive.This is where measurements of total or adsorbable organic fluorine can provide complementary information. Rather than asking which specific PFAS compounds are present?, these approaches can help answer a broader question: how much fluorine associated with this chemical space is present in the sample?<h4>AOF as a complementary approach</h4>Adsorbable organic fluorine analysis provides a different perspective from targeted LC-MS. In the workflow discussed by Gandhi, organic fluorine compounds are captured during sample preparation and subsequently measured using combustion ion chromatography.The principle of CIC builds upon older total organic halogen analysis. The sample is combusted at temperatures above approximately 1,000 °C, breaking carbon-halogen bonds. In PFAS-related analysis, carbon-fluorine bonds are broken and the resulting fluoride is collected in an absorption solution.Ion chromatography is then used to separate and quantify the fluoride.Replacing older detection approaches with IC provides both sensitivity and selectivity for the halogens being measured. Effective combustion is critical: oxygen supports the combustion process, while a carrier gas transports the products into the absorption solution for subsequent IC analysis.<h4>The challenge of inorganic fluoride</h4>The broad response of CIC is simultaneously one of its strengths and one of its analytical challenges. Combustion does not distinguish fluorine originating from PFAS from fluorine present in inorganic compounds such as fluoride salts.This becomes particularly important when analyzing water containing relatively high concentrations of inorganic fluoride while attempting to quantify organic fluorine at very low levels.Sample preparation therefore has a critical role. Inorganic fluoride must be effectively separated from the fraction of interest, while materials used during sample preparation must themselves have sufficiently low fluoride backgrounds.Contamination can come from unexpected sources. Gandhi points out that background fluoride may originate not only from reagents and sample preparation materials but potentially from the laboratory environment. Careful blank control, appropriate materials and rigorous evaluation of interferences are therefore essential when moving toward increasingly low detection limits.<h4>From research method to international standardization</h4>The development of standardized AOF methods illustrates the importance of collaboration between academia, industry, regulatory organizations and analytical laboratories.Gandhi describes work that began in Europe around 2015 and subsequently progressed through German standardization activities, ISO development, ASTM-related collaboration and the U.S. EPA. The process eventually contributed to methods such as EPA Method 1621.He emphasizes that this was not the work of a single scientist or organization. Developing a robust method required years of experiments, discussions and sometimes difficult technical debates among numerous stakeholders.For Gandhi, the essential principle was that experimental evidence ultimately had to determine the outcome. Collaboration becomes possible when scientists focus on the data rather than the organizations they represent.<h4>PFAS monitoring is moving beyond drinking water</h4>Regulatory attention to PFAS is also expanding beyond drinking water. Gandhi describes a broader strategy that begins with reducing the manufacture and use of PFAS-containing materials and continues with removing existing contamination from the environment.Wastewater represents an important part of this picture because PFAS can enter it from numerous sources. Historical contamination from landfills and contaminated sites can also migrate into groundwater and ultimately affect drinking-water supplies.Consumer products are another area of increasing attention. Food packaging, disposable containers, automotive fabrics, outdoor clothing and water-repellent textiles have historically used fluorinated substances to provide properties such as grease, water or stain resistance.Reducing PFAS use in such products could therefore gradually decrease the amount entering waste streams and the wider environment.<h4>Screening first, regulation later?</h4>Gandhi expects AOF to be particularly valuable as a screening tool, providing an estimate of broader fluorine contamination before laboratories proceed to more specific analyses.Its importance becomes clear when AOF results are compared with targeted PFAS measurements. Gandhi reports that laboratories working with EPA Method 1621 have observed differences between targeted PFAS results and broader AOF measurements ranging from approximately 300- to 4,000-fold in the total fluorine mass balance.Such discrepancies suggest that targeted methods can leave a substantial portion of fluorine unexplained.Rather than competing with LC-MS, AOF and CIC therefore provide complementary information. A broad screening method can reveal the magnitude of total contamination, while targeted mass spectrometry identifies and quantifies specific compounds of interest.<h4>Where IC-MS fits into the PFAS toolbox</h4>No single technique can cover the entire PFAS problem. Gandhi highlights very short-chain, highly polar fluorinated compounds as another analytical challenge.Compounds such as trifluoroacetic acid (TFA) are highly water-soluble and may not be quantitatively retained by the carbon materials used for AOF sample preparation. Direct ion chromatography can provide an alternative route for separating such compounds from common inorganic anions.Coupling IC with mass spectrometry adds another level of sensitivity and selectivity. Gandhi therefore sees IC-MS and IC-MS/MS as increasingly important tools for highly polar fluorinated compounds. Similar approaches can also be useful beyond PFAS, including the determination of polar pesticides such as glyphosate and glufosinate.<h4>Toward lower detection limits and more complete PFAS analysis</h4>For Gandhi, current standardized methods represent a beginning rather than an endpoint. Improvements in instrumentation and particularly sample preparation could push total fluorine analysis to substantially lower concentrations.He notes that current combustion IC configurations can reach approximately 0.5 ppb, or 500 parts per trillion, and believes that improvements in sample volume, preparation procedures and mitigation of inorganic fluoride backgrounds could eventually move detection below 100 ppt and potentially toward 50 ppt.Extractable organic fluorine workflows could provide another bridge between broad fluorine screening and targeted LC-MS methods. Combining improved extraction with CIC could allow samples to be screened for organic fluorine before more detailed compound-specific characterization.The broader message from Gandhi's career is that PFAS analysis is unlikely to be solved by a single analytical technique. Targeted LC-MS provides compound-specific sensitivity and selectivity; AOF and combustion IC reveal a broader fluorine picture; and IC-MS can address highly polar compounds that are difficult to capture using conventional workflows. Used together, these techniques can provide laboratories with a much more complete understanding of PFAS contamination than any one approach alone.<blockquote>This text has been automatically transcribed from a video presentation using AI technology. It may contain inaccuracies and is not guaranteed to be 100% correct.</blockquote><blockquote><h4>Concentrating on Chromatography Podcast</h4>Dive into the frontiers of chromatography, mass spectrometry, and sample preparation with host David Oliva. Each episode features candid conversations with leading researchers, industry innovators, and passionate scientists who are shaping the future of analytical chemistry. From decoding PFAS detection challenges to exploring the latest in AI-assisted liquid chromatography, this show uncovers practical workflows, sustainability breakthroughs, and the real-world impact of separation science. Whether you’re a chromatographer, lab professional, or researcher you'll discover inspiring content!You can find Concentrating on Chromatography Podcast in podcast apps:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL">Spotify</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185">Apple podcast</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography">podscan</a></li></ul>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos">YouTube channel</a></blockquote>

The Future of Ion Chromatography | PFAS Testing, EPA 1621 & AOF Explained

In late February 2025, a train carrying benzene derailed in Hustopeče nad Bečvou, and within hours, a race was on to save the groundwater and surface water. One of the most toxic industrial substances began seeping into the gravel-sand subsoil. While fieldwork was underway to prevent the spread of contamination, decisions were already being made in the CXI TUL laboratories regarding how to subsequently clean up the contaminated rock environment.The accident ranks among the most serious environmental incidents in the Czech Republic in recent years. After a tanker train derailed, hundreds of metric tons of benzene leaked; due to the highly permeable geological subsoil, it quickly seeped into deeper soil layers and into the groundwater. The combination of the substance’s high toxicity and local conditions complicated both the emergency response and the subsequent remediation. The key was to stop further spread, determine the extent of the contamination, and establish a remediation strategy for the entire site.It was at this stage that CXI TUL became involved in the solution. At the request of the renowned remediation company DEKONTA, a.s., a team led by RNDr. Jan Němeček, Ph.D., began testing the feasibility of the in situ chemical oxidation (ISCO) method. This technology is designed to break down benzene directly within the rock matrix, without the need for extensive excavation of contaminated soil or the pumping out of large volumes of groundwater. The goal was simple: to find a method that would work quickly, safely, and under the actual conditions of the affected site.<h4>Benzene Remediation: Technically Simple, Complicated in Practice</h4>Benzene is a highly toxic and carcinogenic substance that rapidly penetrates into groundwater in permeable subsoil, where it dissolves and spreads further as the water flows toward surface water bodies. Benzene also binds to rock particles and migrates in the form of vapors into overlying unconsolidated layers.Scientists in Liberec therefore tested in situ chemical oxidation (ISCO) technology under laboratory conditions. The goal was to find an oxidant capable of breaking down benzene directly underground into less hazardous substances.The tests evaluated two main options: activated hydrogen peroxide and sodium peroxodisulfate. Both substances removed up to 99.99% of the benzene, but there was a difference in their kinetics and impacts on the natural environment. Activated hydrogen peroxide achieved nearly complete degradation of the contaminant within a single day. Activated sodium peroxodisulfate was slower and also significantly altered the chemistry of the water; it acidified the environment and increased the sulfate content in the water, which poses an additional environmental burden.For field applications, the researchers therefore unequivocally recommended activated hydrogen peroxide.<h4>Dosage Matters</h4>It was not just the oxidant’s effectiveness that was key. It was equally important to determine how the chemical reaction would behave in a real geological environment. The team of scientists therefore also analyzed what is known as soil oxidant consumption (SOD). It turned out that a significant portion of the oxidizing agent does not react solely with benzene but is also consumed to a significant extent by the rock environment itself, particularly by natural organic substances present in the fine-grained fraction of the soil.An oxidant consumption value was determined specifically for the local composition of the aquifers, which is essential for the correct dosing of chemicals in the field so that the remediation is not only effective but also economically viable and safe for surrounding ecosystems.<h4>One Year After the Accident: Research Turns into Real-World Assistance</h4>While the public often perceives university science as a distant world of laboratories and grant projects, it is precisely situations like this that demonstrate its practical impact. The results of the work by researchers at CXI TUL did not remain confined to academic studies but directly influenced decisions regarding the technology used to clean up one of the largest environmental accidents in recent years.

Science on the Front Lines: Cleanup of a Benzene Spill

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The Institute for Nanomaterials, Advanced Technologies and Innovations of the Technical University of Liberec, also known as CXI TUL, was founded in 2009. Our mission is to support TUL's long-term vision of collaboration with industry and innovation.

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Organomation, founded in 1959, designs and manufactures high-quality nitrogen evaporators and extraction systems. Known for innovation and durability, their lab instruments are used globally for efficient sample preparation with strong customer support.

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<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Software_HPLC_cloud_4_b8e9abd33a.jpg" alt="SIELC: Separation of Blue 1 and Red 40 dyes in Gatorade Zero – Grape."/>
<h5>Alternatively, you can analyze the caffeine content in your morning coffee:</h5>
<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Software_HPLC_cloud_5_f39557543e.jpg" alt="SIELC: Retention of Caffeine."/>
<h5>Another option is to separate and analyze the vitamin content in your daily multi-vitamin:</h5>
<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Software_HPLC_cloud_6_bbf8e002a3.jpg" alt="SIELC: Separation of Vitamin C and Vitamin B2."/>

SIELC Samplify Automated sampling system

Samplify Is a device which allows unattended sampling of a reaction mixture or bioprocess or continue in line flow by taking small amount of liquid from the monitoring mixture and collecting it in a vial or a 96 wells plate

Samplify™ Is a device which allows unattended sampling of a reaction mixture or bioprocess or continue in line flow by taking small amount of liquid from the monitoring mixture and collecting it in a vial or a 96 wells plate. It also allows to dilute the sample with assigned dilution ratio and can provide reaction quenching to preserve the sample state at time of sampling. It has two main components: an autosampler and a probe. The Samplify™ &nbsp;controlled and setup by a PC software.<h3>Description</h3>It is a common task in the lab to periodically sample a reactor or a fermenter to obtain information about reaction kinetic, completion and have a tangible representation of intermediate states of a dynamic process. This usually done manually with pipettes or syringes, using stopwatch to measure time and requires to be in the lab during the entire process.With Samplify it can be done in automated mode. When an automated sampling process is used it increases accuracy, safety, and productivity. It reduces potential samples cross contamination, and exposure of the reaction mixture to oxygen or moisture, when anaerobic or moisture free conditions are required.<ul><li>Based on a proprietary alpha/beta mechanical configuration, Alltesta Miniature Autosampler and patent pending sample probe offers affordable and reliable automation for many analytical and liquid-handling applications.&nbsp;</li><li>Small controllable volume of sample can be programmed and precisely removed from the enclosed or open system. The sample will then be transferred to a vial with inert solvent with measured volume to create a controllable dilution factor.</li><li>A quench solution can be automatically preloaded in each vial to provide termination of reaction or biological process, and preserve sample content in the time of probing.</li><li>In order to effectively mix samples with diluents or quenching reagents a shaking capability of the autosampler tray can be initiated after each sample cycle.</li><li>PC based software allows quick, but flexible, setup of the sampling experiment. Several preloaded methods can be quickly adapted to a particular needs of the user.</li><li>For temperature sensitive samples the entire autosampler can be placed in the temperature controlled environment.</li><li>The device small size allow to place it close to the reactor and use short connection lines to minimize dispersion. Also a small cooler can be used to keep samples in cold conditions after they are collected.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/SIELC_SIELC_Samplify_Automated_sampling_system_937b70e8d2.jpg" alt="SIELC: SIELC Samplify™ Automated sampling system." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_SIELC_SIELC_Samplify_Automated_sampling_system_937b70e8d2.jpg 245w," sizes="100vw" width="1346" height="663"><h3>Specifications</h3><h4>Samplify™ Autosampler:</h4><ul><li>Syringe volume: 4.0 mL</li><li>Pressure: up to 250 psi</li><li>Valve configuration: 7×6</li><li>Power Requirements: 24 VDC</li><li>Current Requirements: Up to 1.0 A</li><li>Dimensions (WHL): 160 x 145 x 195 mm / 6.3 x 5.71 x 7.68 in</li><li>Weight: &nbsp;3 kg / 6.6 lb</li><li>Inlets/Outlets: Thread 10-32 UNF compression type</li><li>Materials in contact with liquid: SS316, PTFE, PEEK</li><li>Tray capacity: 48 vials 1.8 mL volume or 96 wells plate</li><li>Communication: USB virtual serial port</li></ul><h4>Samplify™ Probe:</h4><ul><li>Connection: requires Alltesta-Samplify autosampler</li><li>Dimensions: 1 x 1 inch, DIA ¼ inch. Immersion length up to 6 inch</li><li>Materials in contact with liquid: Stainless Steel 316 (316L), PEEK &amp; PTFE</li><li>Variable sample volume: from 5 to 500 µL</li><li>Max. working pressure: 120 psi (8 bar)</li><li>Max. working temperature: &nbsp;200 °C</li></ul><h3>Software</h3>The Samplify can be controlled:<ul><li>directly through your software via serial commands (Alltesta™ protocol available upon request, please contact us at support@sielc.com),</li><li>remotely through our cloud software (autosampler.cloud),</li><li>directly via our Samplify PC software, allowing to fully control all the parameters of the sampling operations</li></ul><h3>Available Custom Options</h3>Metal-free version of the syringe pump includes no metal contact pump head.

PBI Barocycler 2320EXT Sample Preparation System

The Barocycler 2320EXT is a compact, bench top instrument that can process up to 16 samples simultaneously using PCT MicroTubes.

<h4>For the PCT-HD Sample Preparation System</h4>Pressure Cycling Technology (PCT) is a unique, patented technology platform based on repeated cycles of hydrostatic pressure between ambient (14.7 psi) and ultra-high levels. These rapid changes in pressure are used to control biomolecular interactions for applications such as accelerated proteolytic digestion, and improved extraction of cellular components, including proteins and lipids. The PCT platform allows for a high degree of safety, speed, reproducibility, and convenience in modern sample preparation protocols.The PCT-HD Sample Preparation System is a proven PCT-based workflow for processing small tissue samples for proteomic and other applications. PCT-HD combines efficient, hands-off tissue homogenization and protein extraction with pressure-enhanced digestion, for rapid, efficient and reproducible generation of peptides for MS analysis. This unique workflow combines two of PBI’s innovative sample preparation tools: the Barocycler 2320EXT and our patentpending PCT MicroPestles. PCT-HD and the Barocycler 2320EXT can provide unprecedented speed and reproducibility for biomarker discovery, yielding peptides ready for clean-up and MS within 2-4 hours from the start of tissue processing.The Barocycler 2320EXT is a compact, bench top instrument that can process up to 16 samples simultaneously using PCT MicroTubes. Features that come standard with the 2320EXT include: data input and output options to accommodate validation and quality control; computer-operated control with touch screen programming and automatic data logging; and the ability to control multiple pressure cycling parameters, such as the rate of pressure increase/decrease, both the high and low pressure levels, and the shape of the pressure profile (e.g., sine wave, square wave, and others). In addition, the 2320EXT is available with a choice of two different methods for temperature control (an external circulating waterbath for heating and cooling, or a built-in electric heater).<blockquote>Patent Pending</blockquote><h4>The Barocycler 2320EXT</h4><ul><li>Computer-operated control with Touch Screen Interface</li><li>Pressure Range: ambient - 45,000psi (310 MPa)</li><li>Choice of temperature control - heating/cooling or heating only</li><li>Max Temperature: 95˚C</li><li>Min Temperature: 4˚C with circulating waterbath, ambient with electric heating</li><li>Insulated closure for easier use at high temperatures</li><li>Chamber capacity: up to 16 samples in MicroTubes</li><li>Easily accessible USB port on front panel</li><li>Requires 110psi input air pressure</li><li>Input air pressure can be provided by an air compressor, house air or nitrogen lines, air or nitrogen tanks.</li><li>Pressure medium: Distilled Water</li></ul><h4>Touch Screen Interface</h4>Pressure Profiles are programmed via an onboard touch screen, which can be connected to a network. The instrument is also equipped with a USB port that can be used to connect a mouse or keyboard to the 2320EXT.<ul><li>Pressure Mode Settings: Barocycler, Ramp, Waveform</li><li>Cycled or Static Pressure</li><li>Network Enabled</li><li>Automatic Logging of All Run Parameters</li><li>Data Output&nbsp;</li><li>Save and Record Programs</li><li>Real-time pressure display graph shows pressure and temperature throughout the run</li><li>Touch Screen Temperature Control (with electric heating option only)</li></ul><h4>MicroTubes and MicroPestles</h4>The 2320EXT comes with a full MicroTube Adapter Kit, that includes the MicroTube Cartridges, Capper Tool, and other accessories that are required when using PCT MicroTubes in the 2320EXT. PCT μPestles, used in conjunction with PCT MicroTubes in the Barocycler, are designed for rapid, hands-off homogenization and extraction when working with minute amounts of solid tissue. PCT MicroTubes and MicroPestles are an integral part of the PCT-HD workflow.<ul><li>Process up to 3mg of solid tissue in 30uL of extraction reagent</li><li>Process as few as 5 x 104 cells</li><li>MicroTubes are constructed of non-wetting, low binding FEP plastic</li><li>MicroPestles are made from inert PTFE (Teflon)</li></ul>

Trajan Mitra Microsampling Devices - Specimen bag

The Specimen Bag Mitra format is perfect for those looking to create their own collection kits for remote sampling or maintain bulk devices for centralized sampling in clinical or field settings.

<h3>About</h3>The Specimen Bag Mitra format is perfect for those looking to create their own collection kits for remote sampling or maintain bulk devices for centralized sampling in clinical or field settings.Each Specimen Bag is sealed and includes a barcoded Mitra device with a unique identifier and desiccant. After collection, the device is placed back into the Specimen Bag to facilitate quick drying and protect the sample from external contamination.If you need logistics help, bioanalytical lab services, or kitting support, we can connect you with experienced organizations that specialize in microsampling.<h4>Build Your Own Kits or Sample Large Cohorts Remotely</h4>With this format you can collect many samples in the field and ship them back to the lab in bulk. You may prefer to insert them into your own all-in-one kit.<ul><li>10, 20, &amp; 30 µL volumes</li><li>Protective outer casing</li><li>Barcoding to manage chain of custody</li><li>Packed in specimen bag with desiccant for transport &amp; storage</li></ul><h3>Specifications</h3><div class="tabs__tab txt--light tabs__tab--active" id="tab_17218576460536_2"><ul><li>Indication for Use: A single-use, non-sterile device used as a specimen collector, and for the storage and transport of blood and other biological fluids for analytical and diagnostic analyses.&nbsp;</li><li>Sampler Tip Volume: 10, 20, or 30uL&nbsp;&nbsp;</li><li># of Samplers per Device: 2 or 4&nbsp;</li><li>Shelf Life: 18 months&nbsp;</li><li># Device per pack: 30/Pk</li><li>Pack content: Mitra Device, Specimen Bag with Desiccant, Sample ID Barcode, 1x IFU</li><li>Regulatory status: Mitra® devices are CE-IVD (IVDR) devices intended as a specimen collector, and for the storage and transport of blood and other biological fluids for analytical and diagnostic analyses. They are available as registered IVD Devices in the European Union and United Kingdom, Australia, Brazil, China, and Canada, as well as multiple Health Ministries worldwide. In the USA, Mitra devices are supplied as a research use only (RUO) product to assist in method development, other research-related and non-diagnostic activities. End-users and laboratories must validate the use of the Mitra devices for the particular diagnostic testing intended.</li></ul><h3>How to Use</h3><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/IFUs/2023/Mitra%20Device%20Specimen%20Bag/VLBL-0125-Rrev00.pdf">Instructions for Use (RUO)</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/IFUs/2023/Mitra%20Device%20Specimen%20Bag/VLBL-0125rev00.pdf">Instructions for Use (MD)</a></li></ul><h3>Resources</h3><ul style="list-style-type:disc;"><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_2022%20Mitra%20Collateral/Mitra%20Specification%20Sheet%20(3).pdf">Mitra Device Specification Sheet</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/User%20Guides/Mitra%20User%20Guide%20Extracting%20&amp;%20Processing%20Microsamples.pdf">User Guide | How to Extract &amp; Process Mitra Microsamples</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/Technical%20Briefs%20and%20Guidances/Long%20&amp;%20Short%20Term%20Storage%20of%20Mitra%20Samples_TG00010122.pdf">User Guide | How to Store Dried Mitra Microsamples</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/GenTegraRNA-NEO%20for%20Mitra%20devices%20USER%20GUIDE%2011.15.23.pdf">User Guide | How to Stabilizer RNA on Mitra Microsamples with GenTegraRNA-NEO™</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/frequently-asked-questions?hsLang=en">Frequently Asked Questions</a></li></ul><h3>Mitra devices deliver tremendous ease &amp; value to specimen collection!</h3></div>Mitra® Microsampling Devices offer a streamlined, flexible, and decentralized approach to biological specimen collection. Enjoy the benefits of easier trial recruitment, increased adherence / compliance, elimination of cold-chain shipping / storage &amp; reduced reliance on trained staff.<h4>The gold-standard in remote specimen collection</h4>Powered by VAMS® technology, the patented Mitra® Microsampling Device offers a streamlined, flexible, and decentralized approach to biological specimen collection, transport, and preparation. Use Mitra to facilitate sampling direct from animals, humans, or tubes to collect precise, reliable dried microsamples compatible with a wide variety of downstream applications as evidenced by the hundreds of published peer-reviewed manuscripts and the millions of devices that have been used in the field.<h4>Mitra: pioneering VAMS technology</h4>Trajan’s proprietary VAMS® Technology is at the heart of the Mitra device, featuring a sampler tip crafted from a porous, hydrophilic polymeric material. This 'precision sponge' rapidly and consistently absorbs a specific volume of biological fluid—simply by contacting the source. The fluid is then allowed to dry acting as a stabilizer for most analytes.Available in three tip sizes—10, 20, and 30 µL— and multiple formats, Mitra devices meet diverse end-user and analytical needs. Configurations include dual (2) or quad (4) samplers across various formats.&nbsp; Collect from 20 µL to 120 µL per device based on format selected. Our team of expert microsampling consultants is on hand to provide scientific support, helping you choose the optimal format and workflow for your specific applications.<ul><li>Reliable: Quantitative sampling with pipette-like precision (RSD ≤ 5%). VAMS eliminates traditional blood hematocrit biases and results in extremely low in-lab sample rejection rates. No glue used in assembly, no matrix interferences.</li><li>Versatile: Collect biological fluids—blood, plasma, urine, saliva, and even tears—efficiently from humans and animals (e.g., finger, arm, knee, tail, etc.) or containers. Manual to fully automated workflows are available.</li><li>User-Friendly: 99% sample acceptance rate validated by studies. VAMS tip acts as a fill indicator to confirm successful sampling. Outer housing protects against contamination and facilitates easy remote or home sampling.</li><li>Cost-Effective: Eliminate phlebotomy, couriers, and cold-chain shipping / storage requirements. Devices are compatible with standard automated liquid handling systems and available in various formats to suit different budgets.</li></ul><h4>Successful uses</h4>Have you seen the published, 3rd party literature of how others have successfully implemented Mitra devices?<ul><li>Preclinical</li><li>Clinical Trials / Research</li><li>Therapeutic Drug Monitoring</li><li>Omics</li><li>Biomonitoring</li><li>Toxicology</li><li>Hormones / Steroids</li><li>Biomarkers</li><li>Vitamins</li><li>Allergens</li><li>Population Screening</li><li>Infectious Diseases</li></ul>

Trajan Mitra Microsampling Devices - Microsample collection kit

The Microsample Collection Kit Mitra format streamlines the blood microsampling process, enabling both assisted and self-collection at home or in the field.

<h3>About</h3>The Microsample Collection Kit Mitra format streamlines the blood microsampling process, enabling both assisted and self-collection at home or in the field. Each kit is equipped with device, barcoding for secure chain of custody, easy-to-follow instructions, all necessary finger-prick sampling supplies, and a return-mailing envelope, all packaged for global distribution. Ideal for remote blood collection, these kits ensure that samples can be directly sent to accredited labs for precise analysis.For customization to meet the demands of large-scale projects or to optimize your workflows and logistics, please consult with our <a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/contact">Microsampling Consultants</a>. They will provide tailored recommendations to align with your project’s specific objectives.<h4>All-in-One Solution for Remote Specimen Collection</h4>Our Mitra devices can be packed in convenient kits with sterile components for safe sample collection. Kits can be shipped to your end-users.<ul><li>10, 20, &amp; 30 µL volumes</li><li>Protective outer casing</li><li>Barcoding to manage chain of custody</li><li>Packed in specimen bag with desiccant for transport &amp; storage</li><li>Contains devices &amp; supplies</li><li>Includes instructions for use &amp; return shipping envelope</li><li>Sized for easy global mailing</li></ul><h3>Specifications</h3><div class="tabs__tab txt--light tabs__tab--active" id="tab_1721774838869_2"><ul><li>Indication for Use: The Microsample Collection Kit is a single-use non-sterile procedure pack intended for the collection, storage and transport of capillary whole blood specimens of specified volume.</li><li>Sampler Tip Volume: 10, 20, or 30uL</li><li># of Samplers per Device: 2 or 4</li><li># Device per kit: 1/Pk</li><li>Pack content: 1x Mitra Device, 1x Specimen Bag with Desiccant, Sample ID Barcode, Lancet (x2 or x4), Gauze (x1 or x2), Bandage (x2 or x4), 1x Plastic Shipping Envelope, 1x IFU</li><li>Shelf Life: 18 months</li><li>Regulatory status: The Mitra Blood Sample Collection Kit is a procedure pack. The kits are available as registered Medical Device in the European Union and United Kingdom, Australia, Brazil, China, and Canada, as well as multiple Health Ministries worldwide. In the USA, procedure packs are supplied as a research use only (RUO) product to assist in method development, other research-related and non-diagnostic activities. End-users and laboratories must validate the use of the Mitra devices and Mitra Microsample collection kit for the particular diagnostic testing intended.</li></ul></div><h3>How to Use</h3><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/IFUs/2023/Collection%20Kits/VLBL-0124-Rrev00.pdf">Instructions for Use (RUO)</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/IFUs/2023/Collection%20Kits/VLBL-0124rev00.pdf">Instructions for Use (MD)</a></li></ul><h3>Resources</h3><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_2022%20Mitra%20Collateral/Mitra%20Specification%20Sheet%20(3).pdf">Mitra Device Specification Sheet</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/Guidelines%20for%20Collecting%20Samples%20at%20Home-1.pdf">Guidelines for Collecting Samples at Home</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/Technical%20Briefs%20and%20Guidances/Long%20&amp;%20Short%20Term%20Storage%20of%20Mitra%20Samples_TG00010122.pdf">User Guide | How to Store Dried Mitra Microsamples</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/frequently-asked-questions">Frequently Asked Questions</a></li></ul><div class="tabs__tab txt--light tabs__tab--active" id="tab_1721774838869_4"><h3>Mitra devices deliver tremendous ease &amp; value to specimen collection!</h3>Mitra® Microsampling Devices offer a streamlined, flexible, and decentralized approach to biological specimen collection. Enjoy the benefits of easier trial recruitment, increased adherence / compliance, elimination of cold-chain shipping / storage &amp; reduced reliance on trained staff.<h4>The gold-standard in remote specimen collection</h4>Powered by VAMS® technology, the patented Mitra® Microsampling Device offers a streamlined, flexible, and decentralized approach to biological specimen collection, transport, and preparation. Use Mitra to facilitate sampling direct from animals, humans, or tubes to collect precise, reliable dried microsamples compatible with a wide variety of downstream applications as evidenced by the hundreds of published peer-reviewed manuscripts and the millions of devices that have been used in the field.<h4>Mitra: pioneering VAMS technology</h4>Trajan’s proprietary VAMS® Technology is at the heart of the Mitra device, featuring a sampler tip crafted from a porous, hydrophilic polymeric material. This 'precision sponge' rapidly and consistently absorbs a specific volume of biological fluid—simply by contacting the source. The fluid is then allowed to dry acting as a stabilizer for most analytes.Available in three tip sizes—10, 20, and 30 µL— and multiple formats, Mitra devices meet diverse end-user and analytical needs. Configurations include dual (2) or quad (4) samplers across various formats.&nbsp; Collect from 20 µL to 120 µL per device based on format selected. Our team of expert microsampling consultants is on hand to provide scientific support, helping you choose the optimal format and workflow for your specific applications.<ul><li>Reliable: Quantitative sampling with pipette-like precision (RSD ≤ 5%). VAMS eliminates traditional blood hematocrit biases and results in extremely low in-lab sample rejection rates. No glue used in assembly, no matrix interferences.</li><li>Versatile: Collect biological fluids—blood, plasma, urine, saliva, and even tears—efficiently from humans and animals (e.g., finger, arm, knee, tail, etc.) or containers. Manual to fully automated workflows are available.</li><li>User-Friendly: 99% sample acceptance rate validated by studies. VAMS tip acts as a fill indicator to confirm successful sampling. Outer housing protects against contamination and facilitates easy remote or home sampling.</li><li>Cost-Effective: Eliminate phlebotomy, couriers, and cold-chain shipping / storage requirements. Devices are compatible with standard automated liquid handling systems and available in various formats to suit different budgets.</li></ul><h4>Successful uses</h4>Have you seen the published, 3rd party literature of how others have successfully implemented Mitra devices?<ul><li>Preclinical</li><li>Clinical Trials / Research</li><li>Therapeutic Drug Monitoring</li><li>Omics</li><li>Biomonitoring</li><li>Toxicology</li><li>Hormones / Steroids</li><li>Biomarkers</li><li>Vitamins</li><li>Allergens</li><li>Population Screening</li><li>Infectious Diseases</li></ul></div>

Trajan Mitra Microsampling Devices - 96-autorack

The 96-Autorack™ format is designed for laboratories to efficiently batch and process Mitra microsamples using a standard 96-well format.

<h3>About</h3>The 96-Autorack™ format is designed for laboratories to efficiently batch and process Mitra microsamples using a standard 96-well format. Compatible with most 1mL &amp; 2mL collection plates and 96-channel pipettors &amp; liquid handling workstations, the 96-Autorack enhances lab productivity and integration. We provide two options: an empty 96-Autorack, perfect for accessioning microsamples from Mitra devices received from the field for building plates, extractions, and long-term storage; and prefilled 96-Autoracks with 96 Mitra samplers, ideal for method development and handling calibrators and QCs.<h4>Accession &amp; Process Multiple Mitra Samples at Once</h4>This high-throughput solution allows you to rapidly process Mitra microsamples for method development, plate building, extractions - or all of the above!<ul><li>Racks available empty or filled with 96 microsamplers (10, 20, &amp; 30 µL volumes)</li><li>Filled racks come with a 2mL deep well storage plate</li><li>Compatible with 96-channel pipettors &amp; liquid-handling workstations</li><li>Options with &amp; without barcoding</li></ul><h3>Specifications</h3><div class="tabs__tab txt--light tabs__tab--active" id="tab_17217760014256_2"><ul><li>Indication for Use: A single-use, non-sterile device used as a specimen collector, and for the storage and transport of blood and other biological fluids for analytical and diagnostic analyses.&nbsp;</li><li>Sampler Tip Volume: 10, 20, or 30uL&nbsp;&nbsp;</li><li># of Samplers per Device: 0 or 96&nbsp;</li><li># Device per pack: 1/Pk</li><li>Pack content: 1x 96-Autorack (empty or pre-filled), Sample ID Barcode, 1x Collection Plate, 1x IFU</li><li>Shelf Life: 18 months&nbsp;</li><li>Regulatory Status: Mitra® devices are CE-IVD (IVDR) devices intended as a specimen collector, and for the storage and transport of blood and other biological fluids for analytical and diagnostic analyses. They are available as registered IVD Devices in the European Union and United Kingdom, Australia, Brazil, China, and Canada, as well as multiple Health Ministries worldwide. In the USA, Mitra devices are supplied as a research use only (RUO) product to assist in method development, other research-related and non-diagnostic activities. End-users and laboratories must validate the use of the Mitra devices for the particular diagnostic testing intended.</li></ul><h3>How to Use</h3><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Mitra%20IFUs/2024/VLBL-0098rev04.pdf">96-Autorack Instructions For Use (IVD)</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/IFUs/2023/96%20autorack/VLBL-0098-Rrev01.pdf">96-Autorack Instructions For Use (RUO)</a></li></ul><h3>Resources</h3><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/User%20Guides/Mitra%20User%20Guide%20Extracting%20&amp;%20Processing%20Microsamples.pdf">User Guide | How to Extract &amp; Process Mitra Microsamples</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/NEOX_Content/Technical%20Briefs%20and%20Guidances/Long%20&amp;%20Short%20Term%20Storage%20of%20Mitra%20Samples_TG00010122.pdf">User Guide | How to Store Dried Mitra Microsamples</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/hubfs/GenTegraRNA-NEO%20for%20Mitra%20devices%20USER%20GUIDE%2011.15.23.pdf">User Guide | How to Stabilizer RNA on Mitra Microsamples with GenTegraRNA-NEO™</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.neoteryx.com/frequently-asked-questions?hsLang=en">Frequently Asked Questions</a></li></ul><h3>Mitra devices deliver tremendous ease &amp; value to specimen collection!</h3><div class="tabs__tab txt--light tabs__tab--active" id="tab_17217760014256_3"><div class="tabs__tab txt--light tabs__tab--active" id="tab_17217760014256_4">Mitra® Microsampling Devices offer a streamlined, flexible, and decentralized approach to biological specimen collection. Enjoy the benefits of easier trial recruitment, increased adherence / compliance, elimination of cold-chain shipping / storage &amp; reduced reliance on trained staff.<h4>The gold-standard in remote specimen collection</h4>Powered by VAMS® technology, the patented Mitra® Microsampling Device offers a streamlined, flexible, and decentralized approach to biological specimen collection, transport, and preparation. Use Mitra to facilitate sampling direct from animals, humans, or tubes to collect precise, reliable dried microsamples compatible with a wide variety of downstream applications as evidenced by the hundreds of published peer-reviewed manuscripts and the millions of devices that have been used in the field.<h4>Mitra: pioneering VAMS technology</h4>Trajan’s proprietary VAMS® Technology is at the heart of the Mitra device, featuring a sampler tip crafted from a porous, hydrophilic polymeric material. This 'precision sponge' rapidly and consistently absorbs a specific volume of biological fluid—simply by contacting the source. The fluid is then allowed to dry acting as a stabilizer for most analytes.Available in three tip sizes—10, 20, and 30 µL— and multiple formats, Mitra devices meet diverse end-user and analytical needs. Configurations include dual (2) or quad (4) samplers across various formats.&nbsp; Collect from 20 µL to 120 µL per device based on format selected. Our team of expert microsampling consultants is on hand to provide scientific support, helping you choose the optimal format and workflow for your specific applications.<ul><li>Reliable: Quantitative sampling with pipette-like precision (RSD ≤ 5%). VAMS eliminates traditional blood hematocrit biases and results in extremely low in-lab sample rejection rates. No glue used in assembly, no matrix interferences.</li><li>Versatile: Collect biological fluids—blood, plasma, urine, saliva, and even tears—efficiently from humans and animals (e.g., finger, arm, knee, tail, etc.) or containers. Manual to fully automated workflows are available.</li><li>User-Friendly: 99% sample acceptance rate validated by studies. VAMS tip acts as a fill indicator to confirm successful sampling. Outer housing protects against contamination and facilitates easy remote or home sampling.</li><li>Cost-Effective: Eliminate phlebotomy, couriers, and cold-chain shipping / storage requirements. Devices are compatible with standard automated liquid handling systems and available in various formats to suit different budgets.</li></ul><h4>Successful uses</h4>Have you seen the published, 3rd party literature of how others have successfully implemented Mitra devices?<ul><li>Preclinical</li><li>Clinical Trials / Research</li><li>Therapeutic Drug Monitoring</li><li>Omics</li><li>Biomonitoring</li><li>Toxicology</li><li>Hormones / Steroids</li><li>Biomarkers</li><li>Vitamins</li><li>Allergens</li><li>Population Screening</li><li>Infectious Diseases&nbsp;</li></ul></div></div></div>

Quantitative analysis of proteins (Bioanalytic) 

In our laboratory, proteomic analyses, including quantitative analysis of proteins, are performed by HPLC-MS or HPLC-MS/MS methods on a ZenoTOF 7600 high-resolution mass spectrometer (SCIEX).

Quantitative analysis of proteins is important in many industries and applications. Proteins include a diverse group of compounds that participate in virtually every biological process. Proteins are building blocks, hormones, transport molecules, cell receptors, cell growth and differentiation factors. Because of this, the analysis of protein interactions is crucial in drug design and production.Proteins are macromolecules - the basis of their structure are polypeptide chains containing from 100 to more than 10000 amino acids (10 - 100 kDa). Proteins are found in simple and complex forms. Complex proteins contain a non-protein component (sugar, lipids, metal ions or dyes) in their structure.In our laboratory, proteomic analyses, including quantitative analysis of proteins, are performed by HPLC-MS or HPLC-MS/MS methods on a <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library?manufacturerItems=52&amp;search=ZenoTOF+7600">ZenoTOF 7600</a> high-resolution mass spectrometer (SCIEX). We process the obtained results using Sciex OS, Spectronaut, Skyline software.<h4>MS vs MS/MS</h4>Quantitative analysis of intact protein (whole protein in intact form) leads to the concentration (determined from a prepared curve from a standard (with or without matrix) and confirmation of the identification by superimposing (on a mirrored basis) the MS spectrum of the protein determined in the sample to the MS spectrum of the standard. For your needs, we can generate a list of protein-structured compounds (impurities) that were identified in the sample and determine the ratio of their signal area to the signal area of the analyzed protein.The result of proteomic quantitative peptide analysis allows precise and much more sensitive determination of protein concentration. The analysis is based on MS/MS data obtained for peptides obtained by digestion with proteolytic enzymes. The reported result consists of the concentration of the protein under study and confirmation of its presence based on the determined amino acid sequence. For such analyses, it is recommended to add standards internal standards.<blockquote>Our offer:<ul><li>For proteins and peptides with low masses - intact analysis with MS detection;</li><li>Proteins with masses &gt;20kDa require optimization of the digestion method and MS/MS detection. This results in specific signals from the analyzed protein in the mixture/matrix;</li><li>From complex matrices (including serum, cell culture, fungal suspension), sample analysis involves several steps:&nbsp;<ul><li>Sample purification;</li><li>Digestion to obtain unique peptides to distinguish the analyzed proteins from other proteins in the sample;</li><li>Sample preparation requires appropriate method optimization and validation (let's set validation criteria individually);</li></ul></li><li>Reported quantitative result includes confirmation of the presence of the protein in native form or a peptide derived from it (usually confirmation includes at least two peptide sequences);</li><li>Statistical analysis using tools: MarkerView (PCA), GraphPad Prism, Trends, Sciex OS.</li></ul>To optimize and validate the method, it is necessary to provide a standard, in the case of proteins with high masses - it is recommended to add an internal standard.See also:<ul><li><a target="_blank" rel="noopener noreferrer" href="https://labexperts.com.pl/service/identyfikacja-bialek/">Protein identification</a>,</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1296">Analysis and characterization of monoclonal antibodies</a>.</li></ul></blockquote><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Quantitative_analysis_of_proteins_1_de494646f2.jpg" alt="Bioanalytic: Quantitative analysis of proteins." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Quantitative_analysis_of_proteins_1_de494646f2.jpg 200w," sizes="100vw" width="777" height="606">

Identification of the substance – what is in your sample? (Bioanalytic)

We are able to identify metabolites and products of chemical reactions, contaminants of biological and chemical substances and preparations, and perform profiling of a series of samples to study the kinetics of transformations.

<h4>Substance Identification - Looking for answers to what's in your sample? - we can help you.</h4>Substance identification based on LC-MS/MS techniques can involve single compounds or mixtures of substances. In our analyses, we rely primarily on the knowledge and skills we have acquired after many years of work. For analysis, we use full laboratory facilities for sample preparation and high-resolution mass spectrometry (<a target="_blank" rel="noopener noreferrer" href="https://labexperts.com.pl/o-nas/">equipment</a>).We use different work algorithms depending on the material we are dealing with and the analytical task to be solved. We use DDA (IDA) or DIA (SWATH) methods or targeted approaches (e.g. MRMhr) if we know what to expect. Thus, we are able to identify metabolites and products of chemical reactions, contaminants of biological and chemical substances and preparations, and perform profiling of a series of samples to study the kinetics of transformations.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_2_0f425a648b.jpg" alt="Bioanalytic: Identification of the substance – what is in your sample" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_2_0f425a648b.jpg 245w," sizes="100vw" width="1881" height="1156"><h4>COST OF SERVICE</h4>We determine the cost of the service individually. The final cost is influenced by many factors related to the nature of the sample itself and the client's expectations. Thus, the price depends, among other things, on the complexity of the sample preparation procedure, the scope and number of analyses, etc.The service includes (depending on individual arrangements):<h5>Development of sample preparation procedure</h5><ul><li>Depending on the matrix and test substances.</li></ul><h5>Development of analytical methods</h5><ul><li>Application of high-resolution LC-MS/MS analyses using DDA (IDA) or DIA (SWATH) experiments and software to support the development of targeted screening methods.</li></ul><h5>Analysis of results includes:</h5><ul><li>finding and identifying the substances of interest, interpreting MS/MS spectra and proposing a structural formula.</li><li>Comparative analysis of sample series, e.g. PCA,</li><li>profiling of analytes in sample series</li></ul><h5>Reporting of results</h5><ul><li>Compile results into easy-to-read reports.</li></ul><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_3_c1b8adc1d0.jpg" alt="Bioanalytic: Identification of the substance – what is in your sample" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Identification_of_the_substance_what_is_in_your_sample_3_c1b8adc1d0.jpg 245w," sizes="100vw" width="1919" height="1208">

Characteristics of monoclonal antibodies (Bioanalytic)

At LabExperts, proteomic analyses are performed on a ZenoTOF 7600 high-resolution LC-MS/MS system (SCIEX). For MS/MS analyses, we use Collision induced dissociation (CID) and Electron-Activated Dissociation (EAD) fragmentation.

Antibodies are molecules made up of 4 polypeptide chains: two heavy (H - high-chain) linked to each other by a specific type of chemical bond - a disulfide bridge, and two light (L - light-chain) linked by an identical bond to the heavy chains. Monoclonal antibodies (mABs) are used in various forms - as free molecules, in the form of a drug-antibody combination, and in the form of an immunoconjugate, a drug-antibody-biopolymer combination.Their main use is in highly specific targeted therapy for cancer, cardiovascular, autoimmune and nervous system diseases. They are also used in the treatment of osteoporosis, Alzheimer's disease or transplantation. The range of applications of monoclonal antibodies is systematically expanded. The introduction of a new antibody to the market requires complex product characterization, which involves numerous proteomic analyses, which are performed by LC-MS/MS techniques, among others.<h4>LC-MS/MS</h4>The characterization of monoclonal antibodies involves many aspects, including, but not limited to, a suite of analyses related to confirmation of the structure, chain sequence and degree of modification of the antibody. Post-translational modifications (PTMs) are chemical changes that occur after the translation process. These changes generally result in an increase in the immunogenicity of the drug. For this reason, it is essential to monitor modifications as critical quality attributes (CQAs) during both the production and storage of the drug. To ensure monitoring of CQA points, the primary structure of the protein is characterized based on peptide mapping (peptide mapping) analysis. The protein under study is subjected to proteolytic digestion using enzymes such as trypsin, chymotrypsin, Lys-C, Glu-C. As a result of various proteolytic enzymes, a wide range of peptides is obtained. Ultimately, coverage of the entire sequence of the protein under study is obtained.<figure class="image"><img style="aspect-ratio:1536/947;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_3_d94fa1623b.jpg" alt="Bioanalytic: Characteristics of monoclonal antibodies." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_3_d94fa1623b.jpg 245w," sizes="100vw" width="1536" height="947"></figure>At LabExperts, proteomic analyses are performed on a <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/library?manufacturerItems=52&amp;search=ZenoTOF+7600">ZenoTOF 7600</a> high-resolution LC-MS/MS system (SCIEX). For MS/MS analyses, we use Collision induced dissociation (CID) and Electron-Activated Dissociation (EAD) fragmentation. This provides us with data for unambiguous identification of protein-building amino acids. We process the results using Sciex OS, Skyline and Spectronaut software.<blockquote>We perform:<ul><li>Whole protein analyses - Intact - to determine the exact mass and confirm the theoretical mass;</li><li>N-glycosylation profile determination (based on MS spectrum reconstruction):<ul><li>Glycosylated form;</li><li>Deglycosylated;</li><li>Glycosylated with reduced disulfide bridges;</li><li>Deglycosylated with reduced disulfide bridges.</li></ul></li><li>Peptide maps:<ul><li>Protein digestion with various proteases so that sequence coverage is close to 100%<ul><li>Analysis of PTMs:</li><li>Location of modifications</li></ul></li><li>[%] of modifications compared to the unmodified sequence</li></ul></li><li>TiPOS testing - (technical proof of similarity) - technical confirmation of the similarity of the protein synthesized by the customer (from several LOTs) with the target protein (provided as a template).</li></ul>In order to maintain the highest possible analytical standards, we perform monoclonal antibody analyses under the regime of an internally developed and implemented laboratory quality system based on GLP principles.See also our other proteomics services: <a target="_blank" rel="noopener noreferrer" href="https://labexperts.com.pl/service/identyfikacja-bialek/">Protein identification</a>, <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1294">Protein quantitative analysis</a></blockquote><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_2_cb93143fe6.jpg" alt="Bioanalytic: Bioanalytic Characteristics of monoclonal antibodies." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_2_cb93143fe6.jpg 245w," sizes="100vw" width="1536" height="908"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_1_0e8ab7cdfa.jpg" alt="Bioanalytic: Bioanalytic Characteristics of monoclonal antibodies." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Bioanalytic_Characteristics_of_monoclonal_antibodies_1_0e8ab7cdfa.jpg 245w," sizes="100vw" width="1536" height="858">

Analysis of Anabolic steroids (Bioanalytic)

We offer a highly specific and sensitive qualitative analysis of a wide profile of anabolics by LC-HR-MS/MS technique (detection limits range from 0.01 to 5 ng/ml, depending on the substance).

<h4>Anabolic substances in urine</h4>The effect of anabolic steroids (<a target="_blank" rel="noopener noreferrer" href="https://en.wikipedia.org/wiki/Anabolic_steroid">more information</a>) is to stimulate the growth of muscle mass and sometimes also bone mass by stimulating protein synthesis or altering calcium metabolism. This effect is often used in sports doping. However, anabolic steroids also have many side effects, as they strongly affect the body's overall hormonal balance.Anabolic steroids used by purely recreational athletes are still not banned in most countries, including Poland. Nevertheless, their amateur use during adolescence often results in the inability to continue a professional sports career into adulthood or leads to hormonal imbalances in the body.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Analysis_of_Anabolic_steroids_Bioanalytic_1_46fa2f41ca.jpg" alt="Bioanalytic: Analysis of Anabolic steroids." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Analysis_of_Anabolic_steroids_Bioanalytic_1_46fa2f41ca.jpg 245w," sizes="100vw" width="1200" height="740">If you want to know whether and which anabolic substances are present in the samples of athletes, or you want to exclude doping in this area - use the offer carried out by us together with the company <a target="_blank" rel="noopener noreferrer" href="http://www.lab4tox.pl/">Lab4Tox</a>. We offer a highly specific and sensitive qualitative analysis of a wide profile of anabolics by LC-HR-MS/MS technique (detection limits range from 0.01 to 5 ng/ml, depending on the substance). The use of high-resolution mass spectrometry (HR-MS and HR-MS/MS) in the analysis of anabolic steroids makes it possible to unequivocally confirm or exclude the presence of a given compound. The list of compounds at present includes:<ul><li>Boldenone undecylenate</li><li>Turinabol</li><li>Drostanolone enanthate</li><li>Drostanolone propionate</li><li>Methandienone</li><li>Methenolone acetate</li><li>Methenolone enanthate</li><li>Nandrolone phenylpropionate</li><li>Oxandrolone</li><li>Oxymetholone</li><li>Stanozolol</li><li>5-alpha-DHT</li><li>6-beta-hydroxymethandienone</li><li>19-norandrosterone</li><li>3'-hydroxystanazolol</li><li>4-beta-hydrozystanazolol</li><li>17-alpha-trenbolone</li><li>Testosterone caproate</li><li>Testosterone cypionate</li><li>Testosterone decanoate</li><li>Testosterone enanthate</li><li>Testosterone isocaproate</li><li>Testosterone phenylpropionate</li><li>Testosterone propionate</li><li>Testosterone undecanoate</li><li>Trenbolone acetate</li><li>Testosterone</li><li>Epitestosterone</li></ul>The list of compounds is not complete and will be systematically expanded according to customer needs.<img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Bioanalytic_Analysis_of_Anabolic_steroids_Bioanalytic_2_78729119b0.jpg" alt="Bioanalytic: Analysis of Anabolic steroids is carried out by us together with the company Lab4Tox." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Bioanalytic_Analysis_of_Anabolic_steroids_Bioanalytic_2_78729119b0.jpg 245w," sizes="100vw" width="625" height="100"><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?category=54&amp;distributorItems=315">Other analytical methods we offer</a>.

Products distributed by Bioanalytic - page 2

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