<p><strong>Join us for a fascinating conversation with Dr. Subhoja Chakraborty from the University of Central Florida, whose cutting-edge research targets the global challenge of malaria drug resistance. Dr. Chakraborty shares her journey from structure-based drug design during her PhD to her recent collaborative work repurposing human kinase inhibitors as rapid, selective antimalarials against drug-resistant Plasmodium falciparum strains.</strong></p><h4><strong>In this episode, you'll learn:</strong></h4><ul><li>How structure-guided approaches reveal potential drug targets, including cysteine proteases like falcipain-2, and kinases implicated in malaria's complex life cycle.</li><li>The power of repurposing kinase inhibitors originally developed for cancer and other diseases, focusing on compound 12, which blocks hemozoin formation and protein kinase 6—key steps in parasite survival.</li><li>Lab techniques such as affinity, gel filtration, and size exclusion chromatography for recombinant protein purification—and how troubleshooting is crucial for high-yield, stable complexes.</li><li>Advances in mass spectrometry for characterizing protein interactions, validating drug targets, and mapping molecular pathways pivotal to malaria therapeutics.</li><li>Tips and lessons for new researchers facing the challenges of sample preparation, complex protocols, and working as part of a collaborative team.</li></ul><p>Dr. Chakraborty’s insights bridge the gap between basic science and translational drug discovery, offering hope for more effective, targeted malaria treatments in a world where resistance to frontline therapies threatens millions.</p><h4><strong>Referenced Papers:</strong></h4><ul><li>"Plasmodium falciparum protein kinase 6 and hemozoin formation are inhibited by a type II human kinase inhibitor exhibiting antimalarial activity" (Cell Chemical Biology, 2025)</li><li>"New insights of falcipain 2 structure from Plasmodium falciparum 3D7 strain" (BBRC, 2022)</li><li>"Structure-Based Optimization of Protease−Inhibitor Interactions to Enhance Specificity of Human Stefin‑A against Falcipain‑2 from the Plasmodium falciparum 3D7 Strain" (Biochemistry, 2023)</li></ul><p>If you’re a student, scientist, or simply passionate about advances in infectious disease research, this episode offers actionable insights, inspiring advice, and a front-row seat to innovation in combating malaria.</p><h3><strong>Video Transcription</strong></h3><h4><strong>From Structural Biology to Drug Discovery: Chromatography and Mass Spectrometry in Malaria Research</strong></h4><h5><strong>Introduction</strong></h5><p>In this discussion, Subhoja shares insights into her research journey, focusing on malaria drug discovery and the role of modern analytical techniques in biological and biomedical research. The conversation is aimed primarily at undergraduate students and early-career researchers interested in chemistry, biotechnology, and life sciences.</p><h5><strong>Research Focus: Malaria Drug Discovery and Kinase Targets</strong></h5><p>Subhoja is currently involved in malaria drug discovery research at the University of Central Florida, where she has been working since beginning her postdoctoral position two years ago. Her earlier PhD research focused on structure-based drug design in malaria, using a combination of in silico approaches, recombinant protein expression, and X-ray crystallography to determine precise three-dimensional structures of target proteins and their inhibitors.</p><p>This structural perspective provided a foundation for her current work, which centers on drug discovery through compound screening and repurposing. A recent publication from her laboratory explores the use of repurposed mammalian CDK-like kinase inhibitors as potential antimalarial agents. While such kinase inhibitors are well known in cancer and cardiovascular research, their application to malaria targets represents a novel and promising approach.</p><p>Kinases are attractive drug targets because of their central role in cell signaling and growth pathways. By targeting specific kinases involved in different stages of the malaria parasite life cycle—whether asexual growth, gametocytogenesis, or differentiation—it may be possible to significantly inhibit parasite growth and progression.</p><h5><strong>Chromatography in Protein Expression and Purification Workflows</strong></h5><p>Chromatography plays a critical role throughout Subhoja’s research. Her experience spans from basic chromatography techniques during her early training to advanced protein purification workflows using affinity chromatography, gel filtration (size exclusion chromatography), and ion exchange chromatography.</p><p>Recombinant proteins are routinely purified using affinity resins such as nickel or cobalt, followed by further purification to remove contaminants. Fast Protein Liquid Chromatography (FPLC) enables compact, stepwise purification workflows suitable for producing proteins for in vitro assays.</p><p>A recurring challenge in this process is the expression of high-molecular-weight proteins, which often accumulate in insoluble fractions or inclusion bodies. Careful selection of expression vectors, host systems, and induction conditions is therefore essential to maximize yield and solubility.</p><h5><strong>Integrating Size Exclusion Chromatography into the Workflow</strong></h5><p>Size exclusion chromatography (SEC) is typically used after affinity purification to further improve protein purity. Following elution with imidazole or glutathione, desalting is required to prevent buffer components from interfering with downstream assays. This is often achieved using desalting columns such as G-25 or PD-10.</p><p>To remove lower-molecular-weight contaminants, finer SEC media—such as Superdex or Sephacryl columns—are employed. Concentration steps using molecular-weight cut-off filters are then applied to obtain the desired protein concentration for functional studies.</p><p>These iterative purification and troubleshooting steps are a routine part of protein biochemistry and reflect the importance of methodical optimization and careful validation.</p><h5><strong>The Role of Mass Spectrometry in Biomolecular Characterization</strong></h5><p>Mass spectrometry is a key analytical tool in Subhoja’s research pipeline, particularly for target identification and validation. In both malaria and cancer research, MS is used alongside chromatography, immunoprecipitation, and pull-down assays to study protein interactions and molecular recognition events.</p><p>Affinity-based mass spectrometry enables the identification of binding partners and interactors, whether studying proteins, long non-coding RNAs, or protein complexes. Techniques such as native MS, tandem affinity purification, and proximity labeling (e.g., TurboID-based workflows) provide deeper insights into molecular networks and signaling pathways.</p><p>These approaches are essential for understanding how candidate drug targets function within complex biological systems.</p><h5><strong>Sample Preparation Challenges in Biological Research</strong></h5><p>Sample preparation remains one of the most challenging aspects of biological experimentation. Whole-cell lysates contain proteases, nucleases, and other components that can rapidly degrade target molecules. Preventing degradation requires minimizing preparation time, maintaining low temperatures, and using appropriate inhibitor cocktails.</p><p>Reproducibility is also critical: biological experiments require multiple replicates, and variability is often unavoidable. Careful handling, protocol optimization, and continuous troubleshooting are essential to ensure reliable results, whether preparing samples for chromatography, mass spectrometry, sequencing, or immunoprecipitation.</p><h5><strong>Advances in Chromatography and MS for Malaria Research</strong></h5><p>Modern advances in chromatography and mass spectrometry significantly enhance malaria research by enabling precise target identification, quantification, and functional characterization. Drug discovery workflows begin with construct design and recombinant expression, followed by purification and interaction studies.</p><p>In malaria research, stage-specific parasite biology requires careful extraction and analysis of proteins from different life cycle stages. Tandem affinity MS, immunoprecipitation, and in vivo validation studies help confirm target relevance and therapeutic potential.</p><p>Recent work on repurposed kinase inhibitors has shown promising results, including inhibition of hemozoin formation—a key detoxification pathway for the malaria parasite—highlighting the potential of such compounds for further development.</p><h5><strong>Malaria, Drug Resistance, and Global Impact</strong></h5><p>Malaria remains a major global health burden, with over 600,000 deaths annually and widespread drug resistance complicating treatment. Artemisinin resistance, particularly associated with mutations in the K13 propeller domain, has driven the search for new targets and therapies.</p><p>During her PhD, Subhoja focused on falcipain-2, a cysteine protease involved in hemoglobin degradation within the parasite. This pathway is critical for parasite survival and has emerged as a promising drug target. Her work revealed that falcipain-2 operates within a larger protein complex responsible for hemoglobin processing and amino acid release.</p><p>Understanding these molecular mechanisms is essential for developing robust, stage-specific antimalarial strategies.</p><h5><strong>Advice for Early-Career Researchers</strong></h5><p>For researchers just starting out, Subhoja emphasizes the importance of hands-on experience. Working directly with cells, lysates, and analytical tools is essential for truly understanding experimental systems. Failure is an inherent part of research, and perseverance is key.</p><p>Motivation, teamwork, careful sample handling, and thorough preparation all contribute to long-term success. Reading extensively, critically evaluating one’s own work, and appreciating incremental progress are vital aspects of a sustainable research career.</p><p>Every successful experiment—no matter how small—represents meaningful progress and contributes to the broader goals of science and medicine.</p><h5><strong>Closing Remarks</strong></h5><p>The discussion highlights how interdisciplinary approaches combining chromatography, mass spectrometry, structural biology, and biochemistry are driving advances in malaria drug discovery. Through careful experimental design, analytical rigor, and collaborative teamwork, researchers can address complex biological challenges and contribute to global health solutions.</p><blockquote><p><strong>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.</strong></p></blockquote><blockquote><h4><strong>Concentrating on Chromatography Podcast</strong></h4><p>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!</p><p>You can find <strong>Concentrating on Chromatography Podcast </strong>in podcast apps:</p><ul><li><a target="_blank" rel="noopener noreferrer" href="https://open.spotify.com/show/1wZg67rCjoGju4yhqxI3tL"><strong>Spotify</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podcasts.apple.com/tz/podcast/concentrating-on-chromatography/id1788429185"><strong>Apple podcast</strong></a></li><li><a target="_blank" rel="noopener noreferrer" href="https://podscan.fm/podcasts/concentrating-on-chromatography"><strong>podscan</strong></a></li></ul><p>and on <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/@ChromatographyTalk/videos"><strong>YouTube channel</strong></a></p></blockquote>

Affinity, Gel Filtration, Size Exclusion Chromatography: Repurposing Kinase Inhibitors for Malaria

<p><strong>In the week of February 9, the following webinars await you in the field of liquid phase and especially HPLC and LC/MS.</strong></p><blockquote><h4><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinars"><strong>👉 DETAILS AND REGISTRATION IN THE WEBINARS SECTION</strong></a></h4><p><strong>👉 Search and filter in the largest global database</strong> with over <strong>5 000 GC, LC, MS and spectroscopy webinars</strong>.</p></blockquote><h5><strong>1. SelectScience: High-Throughput Stability Screening Strategies for Antibody Formulation</strong></h5><ul><li>Tu, 10.2.2026 17:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5807">Registration</a></li></ul><p>Learn how high-throughput DLS/SLS and rapid-screening DSC accelerate stability assessment of high-concentration antibody formulations, enabling faster, data-driven biologics development.</p><h5><strong>2. Phenomenex: Big Scale, Big Wins – Prep Chromatography Explained</strong></h5><ul><li>We, 11.2.2026 10:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5793">Registration</a></li></ul><p>Learn how to scale analytical methods to preparative HPLC, optimize loading capacity, and understand the limits of preparative columns for pharmaceutical applications.</p><h5><strong>3. ALS Czech Republic: PFAS in Food &amp; Food Contact Material</strong></h5><ul><li>We, 11.2.2026 15:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5816">Registration</a></li></ul><p>Get a practical overview of PFAS in food and food contact materials, including EU and US regulations, key analytical challenges, and reliable PFAS testing strategies.</p><h5><strong>4. New Food Magazine: The Science of Next-Gen Ingredients – Fermentation, Formulation and Function</strong></h5><ul><li>We, 11.2.2026 16:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5720">Registration</a></li></ul><p>Explore how fermentation-driven innovation is transforming functional food ingredients and how advanced analytics optimize flavour, functionality, and stability.</p><h5><strong>5. SCIEX: Accurate Mass Fundamentals – Interpreting and Applying Your Data</strong></h5><ul><li>We, 11.2.2026 19:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5772">Registration</a></li></ul><p>Session 3 focuses on interpreting and applying accurate mass data to confirm compound identity, move beyond basic quantitation, and troubleshoot results for confident reporting.</p><h5><strong>6. Agilent Technologies: Process Analytical Techniques – Online HPLC for Real-Time Monitoring and Control of Bioprocesses</strong></h5><ul><li>Th, 12.2.2026 06:30 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5834">Registration</a></li></ul><p>Discover how PAT HPLC enables near-real-time monitoring of critical quality attributes in bioprocessing, with a case study on charge-variant control by cation-exchange chromatography.</p><h5><strong>7. Thermo Fisher Scientific: Introducing the Orbitrap Excedion Pro Hybrid MS</strong></h5><ul><li>Th, 12.2.2026 11:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5889">Registration</a></li></ul><p>Discover the new Orbitrap Exploris Pro with expanded ETD/EThcD capabilities for confident biopharmaceutical characterization, including intact proteins, PTMs, ADCs, and large biomolecules.</p><h5><strong>8. Waters Corporation: Planning Your NuGenesis Upgrade – Insights and Best Practices for a Smooth Transition</strong></h5><ul><li>Th, 12.2.2026 19:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5833">Registration</a></li></ul><p>Learn how to plan a successful NuGenesis upgrade, transition to Windows 11, and unlock new capabilities such as dashboards for real-time operational insights.</p><h5><strong>9. Thermo Fisher Scientific: Comprehensive Analytical Strategies for Peptide Therapeutics and GLP-1 Agonists with Agilent</strong></h5><ul><li>Th, 12.2.2026 19:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5814">Registration</a></li></ul><p>Explore analytical workflows for peptide therapeutics, including method development, peptide mapping, GLP-1 QC, and LC-MS strategies across Agilent platforms.</p><h5><strong>10. Agilent Technologies: Moving from R&amp;D and Limited QC on a UV-Vis-NIR Instrument to Large-Scale QC Using an Autosampler</strong></h5><ul><li>Th, 12.2.2026 20:00 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/2104">Registration</a></li></ul><p>This webinar covers practical aspects of adding and using an autosampler to maximize UV-Vis-NIR QC workflows at scale.</p><h5><strong>11. Agilent Technologies: LC Method Transfer – Hidden Challenges &amp; Absolute Solution</strong></h5><ul><li>Fr, 13.2.2026 06:30 CET</li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/webinar/5787">Registration</a></li></ul><p>Discover why LC method transfer between legacy and modern systems is challenging, which hidden parameters affect retention and peak shape, and how to achieve robust, reliable results.</p>

Webinars LabRulezLCMS Week 07/2026

<p><strong>Charge detection mass spectrometry (CDMS) allows direct mass determination of individual ions and is increasingly used to study heterogeneous biological samples. This work demonstrates the use of Orbitrap-based CDMS/Direct Mass Technology (DMT) for quantitative analysis of transthyretin (TTR) tetramer samples below 100 kDa, extending CDMS beyond its traditional qualitative role.</strong></p><p>DMT resolved wild-type and C-terminally modified TTR homotetramers, as well as hybrid tetramers, enabling kinetic analysis of subunit exchange and stability. The approach also quantified thyroxine binding to TTR variants, revealing differences in binding affinity linked to C-terminal modification. By separating overlapping m/z signals through charge measurement, CDMS enables accurate mass and abundance determination, highlighting its potential for quantitative analysis of complex protein systems.</p><blockquote><h4><strong>The original article</strong></h4><h4><a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771"><strong>Dissecting Heterogeneous Populations of Protein-Complex Samples Using Direct Mass Technology</strong></a></h4><p>Robert L. Rider, Jared Hampton, Zhenyu Xi, Carter Lantz, Sangho D. Yun, Weijing Liu, Rosa Viner, Arthur Laganowsky, and David H. Russell*</p><p>Anal. Chem. 2025, 97, 49, 27057–27063</p><p><a target="_blank" rel="noopener noreferrer" href="https://doi.org/10.1021/acs.analchem.5c05771">https://doi.org/10.1021/acs.analchem.5c05771</a></p><h6>licensed under <a target="_blank" rel="noopener noreferrer" href="https://creativecommons.org/licenses/by/4.0/"><strong>CC-BY 4.0</strong></a></h6></blockquote><p><strong>Selected sections from the article follow. Formats and hyperlinks were adapted from the original.</strong></p><p>Transthyretin (TTR) is a homotetrameric transport protein that circulates in plasma and cerebrospinal fluid, delivering thyroxine (T<sub>4</sub>) and retinol-binding protein–vitamin A complexes. <a href="javascript:void(0);">(1)</a> The stability of the TTR tetramer is central to its physiological role because dissociation into monomers can initiate misfolding and amyloid formation, leading to systemic or hereditary transthyretin amyloidosis. <a href="javascript:void(0);">(2)</a> Subunit exchange between wild-type (WT) and variant TTR proteoforms, including disease-associated mutations such as V30M and V122I, have been implicated in amyloid progression by generating hybrid tetramers (tetramers containing WT and mutant subunits) with altered stabilities. <a href="javascript:void(0);">(3,4)</a> Ligand binding, particularly at the two thyroxine-binding sites located at the dimer–dimer interface, can kinetically stabilize the tetramer and modulate amyloidogenicity. <a href="javascript:void(0);">(5,6)</a> Accurate measurement of both subunit exchange kinetics and ligand binding stoichiometry is therefore critical for elucidating the TTR dynamics and stability.</p><p>Affinity or sequence tags are widely employed in protein expression, purification, or detection. <a href="javascript:void(0);">(7,8)</a> While these tags are often assumed to be inert, their influence on protein structure and dynamics are rarely examined in detail. <a href="javascript:void(0);">(9,10)</a> Protein tags at the N- and C-terminus of TTR have been shown to have differing gas phase stabilities from those of WT-TTR. <a href="javascript:void(0);">(11)</a> The C-terminus is of particular interest because this region participates in the dimer–dimer interface that governs tetramer stability. <a href="javascript:void(0);">(11,12)</a> Characterizing how the C-terminal tag (CT) (-ASGENLFYQ) affects TTR’s solution stability and ligand binding is not only relevant for understanding TTR dynamics but also provides an example of how expression tags can alter protein dynamics. <a href="javascript:void(0);">(13)</a></p><p>Native mass spectrometry (nMS) has been invaluable for characterizing protein complexes, <a href="javascript:void(0);">(14)</a> yet conventional nMS often struggles with heterogeneous samples where overlapping charge state distributions and adduct heterogeneity limit resolution and quantitation. <a href="javascript:void(0);">(15)</a> Charge detection mass spectrometry (CDMS) addresses these limitations by independently measuring the charge and <i>m</i>/<i>z</i> of individual ions, enabling the direct determination of molecular mass and abundance. Development of CDMS has largely focused on achieving higher mass resolution <a href="javascript:void(0);">(16)</a> and extending measurements toward assemblies into the GDa range. <a href="javascript:void(0);">(17,18)</a> However, there is untapped utility for CDMS experiments other than mass and proteoform determination. Jordan et al. showed the capability to assess conformational heterogeneity of mAb aggregates using the added charge dimension that CDMS provides. <a href="javascript:void(0);">(19)</a> The current work demonstrates that CDMS can separate proteoforms with overlapping <i>m</i>/<i>z</i> values based on charge and quantify their relative abundances in complex mixtures. While nMS is already a highly quantitative technique, our results establish CDMS as an equally powerful tool for quantitative analysis in heterogeneous systems. <a href="javascript:void(0);">(20,21)</a></p><p>Here, we apply Orbitrap-based CDMS/Direct Mass Technology (DMT) using the selective temporal overview of resonant ions (STORI) approach <a href="javascript:void(0);">(22,23)</a> to quantitatively compare WT-TTR and CT-TTR, focusing on two biologically relevant properties: tetramer stability assessed via subunit exchange kinetics and ligand-binding affinity. Conventional nMS cannot fully resolve the overlapping charge states of WT- and CT-TTR or their ligand-bound states. However, DMT can resolve these species by directly measuring the mass (<i>m</i>/<i>z</i> × charge), enabling quantitation of all proteoforms. The data reveal that the CT tag alters tetramer stability and thyroxine-binding affinity, demonstrating the structural sensitivity of TTR to modifications at its C-terminus. More broadly, this work demonstrates the impact that protein tags can have on native protein interactions and highlights the broader utility of quantitative CDMS for probing heterogeneous biological samples.</p><h4><strong>Experimental Section</strong></h4><h5><strong>Data Collection</strong></h5><p>All experiments were conducted on a <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/560"><strong>Thermo Scientific Q-Exactive UHMR</strong></a> with added DMT capabilities (Bremen, Germany). Before DMT, mass spectra were collected at various resolving powers (6–200k) for each sample, with the instrument parameters reported in the Supporting Information (<a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/suppl/10.1021/acs.analchem.5c05771/suppl_file/ac5c05771_si_001.pdf">Table S1</a>). For DMT experiments, the trapping gas pressure in the HCD cell was reduced to 0.3–0.8 to attenuate the signal intensity to a single ion level, as well as decreasing the UHV pressure to assist ion retention through the entire transient of Orbitrap analysis. We observed no significant difference between mass spectra collected at various HCD cell pressures (Supporting Information, <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/suppl/10.1021/acs.analchem.5c05771/suppl_file/ac5c05771_si_001.pdf">Figure S1</a>). For DMT collection, automated ion control (AIC) and 100% target density were used with 200k resolving power.</p><h4><strong>Results and Discussion</strong></h4><p>CDMS has emerged as a powerful tool for analyzing heterogeneous biomolecular samples, enabling accurate, direct mass determination by simultaneously measuring the charge and <i>m</i>/<i>z</i> for individual ions. While CDMS has been widely applied for qualitative analyses, its potential for quantitative and less than MDa applications remains underexplored. <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig1">Figure 1</a>A shows the theoretical mass spectrum of WT-TTR (14+ to 16+) and CT-TTR (15+ to 17+) homotetramers, where the two proteoforms become increasingly resolved as the charge states increase (&lt;3900 <i>m</i>/<i>z</i>). <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig1">Figure 1</a>B zooms in on the 14+ (WT) and 15+ (CT) charge states, highlighting their strong overlap, which prevents accurate deconvolution of the proteoforms by conventional methods. <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig1">Figure 1</a>C displays theoretical distributions for 0, 1, and 2 T<sub>4</sub> bound states of both WT- and CT-TTR tetramers, where &lt;3900 <i>m</i>/<i>z</i> has observable separation between all proteoforms. However, for the 14+ and 15+ charge states of WT- and CT-TTR, respectively, the 0 T<sub>4</sub>- and 1 T<sub>4</sub>-bound populations overlap (<a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig1">Figure 1</a>D). Furthermore, commonly adducted species (Na<sup>+</sup>, K<sup>+</sup>, and Zn<sup>2+</sup>) observed in experimental spectra broaden these distributions, making it increasingly difficult to distinguish and deconvolute the proteoforms (see <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/suppl/10.1021/acs.analchem.5c05771/suppl_file/ac5c05771_si_001.pdf">Figure S2</a>). Here, we employ Orbitrap-based CDMS/DMT to overcome this <i>m</i>/<i>z</i> overlap to resolve and quantify hybrid tetramer formation and T<sub>4</sub> binding.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Anal_Chem_2025_97_49_27057_27063_Figure_1_A_Theoretical_mass_spectra_of_WT_TTR_and_CT_TTR_homotetramers_47232849d9.jpg" alt="Anal. Chem. 2025, 97, 49, 27057–27063: Figure 1. (A) Theoretical mass spectra of WT-TTR and CT-TTR homotetramers. (B) Zoomed-in view of the 14+ WT-TTR and 15+ CT-TTR distributions to show the large overlap of the proteoforms. (C) Theoretical mass spectra of WT-TTR and CT-TTR homotetramers with thyroxine (T4) binding. (D) Zoomed-in view of the 14+ WT-TTR and 15+ CT-TTR distributions where the 0 and 1 T4 have overlapping distributions. These theoretical distributions do not contain any commonly adducted species (Na+, K+, Zn2+), which broaden the distributions and create more overlap even for the proteoforms in the range 3300–3900 m/z (see Figure S2)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Anal_Chem_2025_97_49_27057_27063_Figure_1_A_Theoretical_mass_spectra_of_WT_TTR_and_CT_TTR_homotetramers_47232849d9.jpg 187w," sizes="100vw" width="1417" height="1182"></p><h5><strong>Thyroxine Binding to TTR Homotetramers</strong></h5><p>Thyroxine is the less active form of a thyroid hormone important for metabolism that binds to TTR for transport throughout plasma and cerebral spinal fluid. <a href="javascript:void(0);">(31)</a> Turnover of T<sub>4</sub> into T<sub>3</sub> (active) occurs after dissociation, where it can then modulate gene expression via binding to nuclear receptors. <a href="javascript:void(0);">(32)</a> The TTR tetramer gains substantial stability as it binds up to 2 T<sub>4</sub> at the tetramer interface, decreasing tetramer dissociation and SUE. <a href="javascript:void(0);">(33)</a> This has been shown previously to decrease the amyloidogenic rate of TTR, which led to tafamidis (similar in structure to T<sub>4</sub>) to be designed and is currently the only drug that is approved for clinical treatment of TTR amyloidosis. <a href="javascript:void(0);">(34)</a> Measuring the difference in binding affinity between TTR proteoforms may provide insight into regions of TTR or TTR intermolecular/intramolecular interactions that are important for binding of small molecules such as tafamidis and T<sub>4</sub>.</p><p>DMT was further applied to quantify T<sub>4</sub> binding to WT- and CT-TTR homotetramers, highlighting the technique’s utility in probing protein–ligand interactions. <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig3">Figure 3</a>A shows a representative mass spectrum of TTR homotetramers in the presence of T<sub>4</sub>. While ligand-bound species can be observed, homotetramers cannot be confidently resolved across the entire 3000–5000 <i>m</i>/<i>z</i> range. By leveraging the charge-resolving capabilities of DMT, we achieve separation of the homotetramers (<a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/10.1021/acs.analchem.5c05771#fig3">Figure 3</a>B,C) and the 0, 1, and 2 ligand-bound states. The 2D plot clearly shows the gain in resolution achieved when charge is simultaneously measured with <i>m</i>/<i>z</i> by separating the 14+ and 15+ charge states for WT and CT, respectively, in the range 3900–4200 <i>m</i>/<i>z</i>. Additionally, using ion mobility does not provide the same kind of 2D resolution due to the similarity in arrival times for the homotetramer proteoforms, as evidenced by <a target="_blank" rel="noopener noreferrer" href="https://pubs.acs.org/doi/suppl/10.1021/acs.analchem.5c05771/suppl_file/ac5c05771_si_001.pdf">Figures S4 and S5</a> (see the Supporting Information). These data provide evidence that when ion mobility is able to separate out species that overlap in <i>m</i>/<i>z</i> yet differ in mobility, CDMS could be an alternative or used complementarily since the species likely also differ in charge.</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Anal_Chem_2025_97_49_27057_27063_Figure_3_A_Mass_spectra_of_WT_TTR_and_CT_TTR_homotetramers_with_thyroxine_binding_61b1e98a94.jpg" alt="Anal. Chem. 2025, 97, 49, 27057–27063: Figure 3. (A) Mass spectra of WT-TTR and CT-TTR homotetramers with thyroxine binding. Ligand binding can be resolved, but homotetramers cannot be confidently identified. Charge states labeled are for WT; CT is always one charge state higher at the same m/z range. (B) DMT heatmap resolving WT-TTR and CT-TTR homotetramers with the additional measurement of charge. (C) Deconvoluted mass spectrum from DMT analysis. Both homotetramers and their ligand binding are resolved, and fit for analysis is shown in red. (D) Mole fraction of each homotetramer and their thyroxine binding species. Error bars represent the standard deviation of replicates (n = 3). The significance for each ligand state is in respect to the left adjacent state. *p &lt; 0.05." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Anal_Chem_2025_97_49_27057_27063_Figure_3_A_Mass_spectra_of_WT_TTR_and_CT_TTR_homotetramers_with_thyroxine_binding_61b1e98a94.jpg 181w," sizes="100vw" width="1266" height="1094"></p><h4><strong>Conclusion</strong></h4><p>This work demonstrates that quantitatively, Orbitrap-based CDMS/DMT can determine differences in protein-complex stability and ligand binding. By directly comparing WT- with CT-TTR, we show that the CT tag accelerates tetramer dissociation while enhancing T<sub>4</sub> binding affinity. These results indicate that the C-terminus, located at the dimer–dimer interface, plays a more significant role in TTR stability and ligand recognition than previously appreciated. <a href="javascript:void(0);">(12)</a> Even the addition of a short peptide sequence perturbs noncovalent interactions at the interface, likely altering solvent accessibility, and the dynamics of the thyroxine binding channel. <a href="javascript:void(0);">(37,54)</a> Such findings underscore the importance of evaluating how seemingly minor sequence modifications, such as affinity tags, can influence fundamental biophysical properties.</p><p>Beyond TTR, this work positions quantitative CDMS as a broadly applicable strategy for analyzing heterogeneous protein systems, where charge domain separation overcomes the resolution limits of <i>m</i>/<i>z</i> domain measurements in traditional nMS experiments. While much of the field has emphasized extending CDMS to ultrahigh masses and maximal resolution, <a href="javascript:void(0);">(16,18)</a> our results highlight the underexplored potential of applying the method in the 1000–10,000 <i>m</i>/<i>z</i> range common to nMS experiments. This capability is directly relevant to heterogeneous membrane protein complexes, which often display broad distributions of oligomeric states, PTMs, lipid, and ligand adducts that complicate spectra. <a href="javascript:void(0);">(48,55)</a> Similarly, mAbs can oligomerize and exhibit mass heterogeneity from variable glycosylation, affecting pharmacokinetics, effector function, and stability. <a href="javascript:void(0);">(19)</a> CDMS may resolve and quantify such proteoforms in a single experiment without the need for charge reduction or chemical derivatization. <a href="javascript:void(0);">(48,56,57)</a></p>

Dissecting Heterogeneous Populations of Protein-Complex Samples Using Direct Mass Technology

Article

Webinars

Video

Scientists

Scientific article

Interview

Science and research

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

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.

Organomation

Thermo Scientific SII for Empower Software

Incorporate and operate Thermo Scientific UHPLC, HPLC, GC, and IC instruments within other vendors' software platforms with the Thermo Scientific™ SII for Empower 3 Software plug-in.

<div id="product-description"><p><strong>Incorporate and operate Thermo Scientific UHPLC, HPLC, GC, and IC instruments within other vendors' software platforms with the Thermo Scientific™ Standard Instrument Integration (SII) for Empower 3 Software plug-in. The SII for Empower 3 plug-in is based on the </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS)</strong></a><strong> and offers unique and smart features that deliver maximum ease-of-use, reliability, and performance. It also enables Thermo Scientific™ chromatography systems to be operated and controlled by </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/627"><strong>Waters™ Empower™ 3 CDS software</strong></a><strong>.</strong></p></div><div><p>While <strong>Chromeleon CDS</strong> is the recommended software for control of <strong>Thermo Scientific UHPLC, HPLC, GC, and IC </strong>instruments due to its maximum ease of use, reliability, and performance, other vendors' CDS software can also incorporate and operate these instruments with the <strong>SII for Empower™ 3 Software</strong> plug-in.</p><p>The SII for Empower™ Software installs and uses portions of<strong> </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Chromeleon CDS</strong></a>, such as the Services Manager, Instrument Configuration Manager, Instrument View, and Instrument Method Editor, to deliver flawless integration of Thermo Scientific LC, IC, and GC instrumentation into Empower™ 3 CDS without loss of functionality. Instrument control, data acquisition, and data processing are performed completely under Empower™ 3 Software.</p><p><strong>Configure your instruments</strong><br>Up to four instruments can be configured per Empower™ node using the standard Chromeleon Instrument Configuration Manager.</p><p><strong>Control your instruments</strong><br>SII for Empower™ Software provides a complete set of commands because they are present under native <strong>Chromeleon CDS </strong>control. For the user, this means that all the Chromeleon CDS tools and advanced features, such as preparing the next sample during an ongoing analysis, can be implemented to increase productivity and receive more data with fewer injections.</p><p><strong>SII for Empower™ controls the following systems:</strong></p><ul><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products?category=37&amp;manufacturerItems=3&amp;search=Vanquish"><strong>Thermo Scientific™ Vanquish™ HPLC and UHPLC systems</strong></a></li><li><strong>Thermo Scientific™ UltiMate™ 3000 HPLC systems</strong></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/410"><strong>Thermo Scientific™ Dionex™ ICS-6000 HPIC™ system</strong></a></li><li><strong>Thermo Scientific™ Dionex™ ICS-5000 HPIC™ system</strong></li><li><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/408"><strong>Thermo Scientific™ Dionex™ Integrion™ HPIC™ system</strong></a></li><li><strong>Thermo Scientific™ Dionex™ Aquion™ system</strong></li><li><strong>Thermo Scientific™ TRACE™ 1300 GC systems</strong></li></ul><p>Monitoring instrument status within Empower™ can be performed using the <strong>Empower™ Control Panel. </strong>Here, an enhanced SII Instrument View is easily accessed to provide further options to control and monitor the instrument and its modules.</p><p><strong>Instrument Methods</strong><br>Setting up an instrument method is simple, intuitive, and fast due to the <strong>SII for Empower™ Instrument Method Wizard and Editor</strong>, both of which are integrated into the Instrument <strong>Method Editor of Empower™</strong>. The wizard guides the user through all modules, enabling the entry of all necessary information, while the editor allows the review and modification of all aspects of a method.</p><p><strong>Process your data</strong><br>Complete data processing takes place inside<strong> Empower™ Software</strong>, which allows you to use all functionalities as you would normally, for example, overlay of chromatograms or other channels like pressure traces. The Empower™ user experience <strong>does not change </strong>for any data processing aspect.</p></div>

Thermo Scientific LC-MS Data Acquisition Software

Acquire the highest quality data possible to unlock the information, knowledge, and value in your samples with Thermo Scientific LC-MS Data Acquisition Software.

Thermo Scientific™ Chromeleon™ XPS Open Access Software

Thermo Scientific™ Chromeleon™ XPS provides streamlined and easy-to-use interface for Thermo Scientific™ Chromeleon™ CDS, while maintaining full capabilities of the CDS software.

<p><strong>In modern laboratories, chromatography techniques and the use of mass spectrometry (MS) detection are in high demand. Until recently, MS detectors were regarded as sophisticated detection tools that could be operated only by a highly trained specialist. Nowadays mass spectrometers are increasingly used as straightforward detectors for chromatography.</strong></p><p>Alongside this move into routine use of MS is the continued deskilling of staff in the laboratory world, causing highly experienced chromatographers to be in short supply. The result is a substantial number of regular scientists and process operators that need to generate chromatographic results using advanced instrumentation themselves.</p><p>The solution is an Open Access tool enabling users to simply walk up and use a very straightforward interface to exploit the full power of the chromatography data system (CDS), without actually using the CDS software itself. <strong>Thermo Scientific™ Chromeleon™ XPS </strong>provides this <strong>streamlined and easy-to-use</strong> interface for <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Thermo Scientific™ Chromeleon™ CDS</strong></a>, while maintaining <strong>full capabilities</strong> of the CDS software, like instrument control, data processing, reporting and compliance tools.</p><h3><strong>Workflow</strong></h3><p>Users can walk up to <strong>any chromatography instrument</strong> connected to the CDS, with or without MS detection, and start to run their analysis with only a <strong>few mouse-clicks.</strong></p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_5e8f8c3dec.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: First, select the analysis to perform (A) and which instrument should be used (B). The instrument overview shows the current instrument status’ and displays the estimated wait time until each instrument is available and the number of sample positions still available.  The instrument list is filtered depending on the analysis selected and the users privileges to only show appropriate instruments." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_5e8f8c3dec.jpg 196w," sizes="100vw" width="876" height="697"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_2_a8b64a52ae.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: Next, enter the sample names (C) and any other parameters (D) required for the analysis." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_2_a8b64a52ae.jpg 196w," sizes="100vw" width="876" height="697"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_3_4b4367ffae.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: Place the sample vials in the indicated positions and select Submit." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_3_4b4367ffae.jpg 196w," sizes="100vw" width="876" height="697"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_4_0386d31c9a.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: The sequence is submitted and will run. The operator is shown the expected start and finish time of the analyses." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_4_0386d31c9a.jpg 245w," sizes="100vw" width="625" height="263"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_5_1b51ab8dd2.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: At the end of the run, the results are automatically printed and/or exported and a link to the exported report can be distributed via email." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_5_1b51ab8dd2.jpg 245w," sizes="100vw" width="814" height="309"></p><h3><strong>Configuration and management</strong></h3><p>Running samples is as easy as described above once Chromeleon XPS software is set up, configured and managed by an experienced chromatographer.</p><ul><li>All the methods required for the analysis must be created; the instrument method with all instrument control and data acquisition parameters, the processing method with all data processing parameters and the report template with all required results, to be reported.&nbsp;</li><li>A Chromeleon eWorkflow is created using these methods. An eWorkflow is an electronic procedure that automates all steps of the laboratory process related to a chromatographic analysis</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_6_a3b2219e42.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: The lab manager can customize Chromeleon XPS to show or hide individual toolbar buttons (A), which eWorkflows are visible to users (B) and which instruments they can access (C)." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_6_a3b2219e42.jpg 196w," sizes="100vw" width="876" height="697"><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_7_d647111f5d.jpg" alt="Thermo Scientific™ Chromeleon™ XPS Open Access Software: In addition, it is possible to define various system options, such as which email notifications to send." srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_XPS_Open_Access_Software_7_d647111f5d.jpg 193w," sizes="100vw" width="659" height="533"></p><p>Chromeleon XPS Open Access software lets <strong>any user</strong> run samples on their own by delivering a <strong>clean, streamlined walk-up interface</strong> that utilizes the<strong> full power</strong> of Chromeleon CDS. Users can access<strong> all instruments controlled by </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Chromeleon CDS</strong></a><strong>, including MS</strong>, and automatically receive results or notifications about run completion or failure. The management console contains advanced customization options to fulfill any organization’s requirements, included fully regulated environments.</p><p><strong>Chromeleon XPS software provides error-free execution of any chromatography analysis with minimal training requirements for users.</strong></p>

Thermo Scientific Chromeleon CDS Mass Spectrometry Software

Chromeleon CDS unifies MS workflows with full compliance, remote access, and seamless control of Thermo Scientific MS instruments in a scalable, secure platform.

<div><div><p><strong>Consolidate your mass spectrometry (MS) laboratory with robust support for targeted quantitation and screening workflows in biopharma, environmental, and food safety sectors.</strong></p><p><strong>Connect instruments, users, and data</strong> in a centralized scalable server-based system, providing remote data access and central management of methods, templates, and reports.<strong> Full support</strong> for GMP compliance helps ensure data integrity, traceability, and verification throughout the data lifecycle. Native control of Thermo Scientific MS instruments, including <strong>single quadrupole, triple quadrupole </strong>and <strong>high-resolution accurate mass</strong> (HRAM), enables robust instrument operations.</p><p><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/76"><strong>Thermo Scientific Chromeleon Chromatography Data System (CDS) Software </strong></a>combines with industry-leading Thermo Scientific MS instrumentation to deliver an&nbsp;outstanding solution for targeted MS<sup>n</sup> quantitation workflows.</p><h3><strong>Key Chromeleon features</strong></h3><div><div><div><h4><strong>Built for MS workflows</strong></h4><p>Chromeleon Software supports targeted quantitation and screening MS workflows by providing a comprehensive solution for data acquisition, processing, and reporting. See how the software facilitates advanced data analysis and integrates seamlessly with other software tools to enhance the efficiency and reliability of your MS workflows. Examples include:</p><ul><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/pharma-biopharma/pre-clinical-and-clinical-drug-testing/small-molecule-bioanalysis-dmpk.html"><strong>Bioanalysis:</strong></a><strong> </strong>Take advantage of simultaneous MS data acquisition, automated system suitability testing, spectral library integration, and data exchange with <a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/digital-solutions/lab-informatics/lab-information-management-systems-lims/solutions/watson.html">Thermo Scientific Watson LIMS.</a></li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/pharma-biopharma/biopharmaceutical-analytical-testing/intact-protein-analysis-workflows.html"><strong>Intact proteins:</strong></a><strong>&nbsp;</strong>Achieve high-quality results with optimized algorithms for both isotopically resolved and unresolved data, MS<sub><sup>1</sup></sub> - MS<sub><sup>3</sup></sub> targeted library searching, and deliver high-throughput, accurate results.</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/pharma-biopharma/biopharmaceutical-analytical-testing/multi-attribute-method.html?erpType=Global_E1"><strong>Multi-Attribute Method (MAM):</strong></a><strong>&nbsp;</strong>Combine the flexibility of <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1837"><strong>Thermo Scientific BioPharma Finder Software</strong></a><strong> </strong>with compliance-ready Chromeleon Software to deliver a powerful MAM workflow.</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/food-beverage/food-analytical-testing/persistent-organic-pollutants-food.html"><strong>Dioxin, PCBs, and POPs analysis:</strong></a><strong>&nbsp;</strong>Use built-in advanced internal standard techniques for accurate quantitation in complex matrices and automate sequence creation, calculations and reporting.</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/environmental/environmental-contaminant-analysis/emerging-contaminants/pfas-testing.html"><strong>PFAS analysis:</strong></a><strong>&nbsp;</strong>Combine Chromeleon Software with <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1759"><strong>Thermo Scientific Compound Discoverer Software</strong></a> for compliant MS data acquisition, advanced discovery, identification, and targeted processing, and reporting.</li><li><a target="_blank" rel="noopener noreferrer" href="https://www.thermofisher.com/cz/en/home/industrial/food-beverage/food-analytical-testing/pesticide-residues-analysis.html"><strong>Pesticide analysis:</strong></a><strong>&nbsp;</strong>Utilize out-of-the-box workflows for fast and simple processing with tailored view settings, automated cross-confirmation, and adherence to SANTE guidelines.</li></ul><div><div><div><h4><strong>Single software solution</strong></h4><p>Increase <strong>productivity with a single software solution</strong> for your entire laboratory and eliminate the complexity of multiple data systems to <strong>simplify training, streamline workflows, and reduce manual processes</strong> across your lab.</p><p>Supporting a broad range of <strong>MS and chromatography techniques</strong> within one intuitive platform, the <strong>consistent user experience spans all analyses</strong>—regardless of deployment model—and includes <strong>complete coverage from instrument control to data acquisition, processing, and reporting</strong> for both front-end separation and MS detection.</p><div><div><div><h4><strong>Control and access from anywhere</strong></h4><p>Keep your operations running <strong>smoothly and securely</strong>, whether working in the lab or remotely. Deliver <strong>secure, remote access</strong> to instruments and data, making it easy to <strong>monitor runs, review results, and manage workflows from anywhere</strong>.</p><p><strong>Reduce IT overhead</strong> with streamlined system management using tools like the <strong>built-in updater</strong> to automate centralized rollout of maintenance packages, operating system updates, antivirus updates, among others, across the entire installation.</p><p>Help ensure <strong>data security</strong> with comprehensive <strong>system access control</strong>, auditing, and reporting using powerful querying capabilities facilitated by <strong>automated, centralized data storage</strong> with a <strong>secure relational database</strong>.</p><div><div><div><h4><strong>Built-in resilience and scalability</strong></h4><p>Achieve <strong>resilient, scalable performance</strong> across your laboratory operations. Designed for <strong>continuous uptime with zero data loss</strong>, the software features <strong>best-in-class automated network failure protection</strong> to keep your laboratory running and protect your data.</p><p>Its <strong>flexible architecture scales effortlessly</strong> from small, on-premise installations to large, multi-site deployments—on-premise, in the cloud, or virtual—without the need for reinstallation—while maintaining a <strong>consistent user experience</strong>.</p><p>Safeguard your data at every stage with <strong>robust network architecture and multi-layered security</strong>, eliminating single points of failure. With Chromeleon Software, your lab stays <strong>secure, connected, and ready to grow</strong>.</p><div><div><div><h4><strong>Enabling regulatory compliance</strong></h4><p>Chromeleon Software is designed from the ground up to help MS and chromatography labs <strong>simplify achieving, maintaining and demonstrating compliance</strong> to rigorous regulatory standards such as <strong>GxP, ISO, and 21 CFR Part 11</strong>. It provides <strong>powerful tools to help ensure data integrity</strong>, including <strong>extensive user access controls</strong>, <strong>comprehensive time-stamped audit trails</strong>, and <strong>result versioning capabilities</strong>. <strong>Electronic signatures and automated reporting</strong> enable efficient data review by exception, allowing for <strong>quick identification and resolution of discrepancies</strong>. These features work together to support laboratories in maintaining <strong>secure, traceable, and compliant workflows</strong>.</p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>

Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software

Run your lab on an intuitive, user-friendly Chromatography Data System (CDS) that also scales from workstation to global deployment. 

<div><div container-id="cq-colctrl-lt1" comp-id="A1"><div><h2>End the compromise between lab efficiency and IT needs</h2></div></div><div container-id="cq-colctrl-lt1" comp-id="A2"><div><p><strong>Run your lab on an intuitive, user-friendly Chromatography Data System (CDS) that also scales from workstation to global deployment. Connecting people, instruments, and enterprise data management, Thermo Scientific Chromeleon CDS delivers productivity gains, data integrity, and full support of GMP compliance for chromatography, third party systems, including capillary electrophoresis, and Thermo Scientific mass spectrometry instruments.</strong></p><p>Built-in Chromeleon eWorkflow™ provides you with the means to go from injection to final results in just three mouse clicks. Chromeleon CDS provides data security, audit-trails documentation and simplified reviews, and is built around a relational database to provide comprehensive coverage of functionality to adhere to GMP and data integrity guidelines.&nbsp;</p><p>Its service-oriented architecture allows for the fastest performance by separating high-load tasks to run in individual processes on dedicated hardware. With significant advances in system architecture delivering faster processing, particularly for MS users, and enhanced network stability for large networks through balanced distribution of data management and domain administration loads, your lab can perform like never before.</p><p>Chromeleon Enterprise Software effectively scales to accommodate over<strong> 1000 instruments</strong> and seamlessly connects users worldwide within a tiered enterprise system.</p><p>And now with the<strong> </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/1821"><strong>Thermo Scientific Ardia Platform</strong></a><strong>&nbsp;</strong>connected software environment, you can super-charge your Chromeleon CDS with enhanced lab management tools and Ardia Server-side processing for even faster MS/MS data handling speeds.&nbsp;</p><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_9_7afc16ebb0.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_9_7afc16ebb0.jpg 245w," sizes="100vw" width="2570" height="1086"></p><div><h3><strong>Key CDS features</strong></h3></div><div><p>A networked or enterprise CDS is vital for compliant, efficient and reliable operation. Streamline your workflows using software that was built with both the lab and IT in mind. Scale from a single workstation up to global, multi-site deployment with a solution designed for tracking, accountability, and QA/QC that is incredibly easy to use, with fewer mouse clicks.</p><p>Chromeleon CDS supports more than<strong> 500 chromatography instruments</strong>, including third-party capillary electrophoresis systems and Thermo Scientific single/triple quadrupole as well as high-resolution accurate-mass (HRAM) mass spectrometry instruments in a single data system.</p></div><div colctrl-id="5-1"><div><div container-id="cq-colctrl-lt3" comp-id="A1"><div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Workstation</strong></h4><p><strong>Instruments, intelligence, insight</strong></p><p>Chromeleon CDS delivers ease of use, comprehensive instrument control, automated data analysis and flexible reporting.</p><ul><li>Eliminate errors and simplify training using eWorkflow procedures&nbsp;</li><li>Achieve more "right-first-time" analyses using Smart Startup and Intelligent Run Control</li><li>Accelerate data processing, reviewing and reporting with dynamic updating and smart tools built in</li></ul></div></div><figure class="image"><img style="aspect-ratio:2682/600;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_2_45040ea7dd.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Workstation" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_2_45040ea7dd.jpg 245w," sizes="100vw" width="2682" height="600"></figure><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Workstation Connect</strong></h4><p><strong>Security, sharing, support</strong></p><p>Convert multiple workstations to a small network to realize many benefits of enterprise without the effort or expense.</p><ul><li>Remote instrument control and data processing</li><li>Compliance and data integrity tools as standard</li><li>Improved sharing and security of data without need for a separate server</li><li>Access guaranteed support response times</li></ul><p><img style="aspect-ratio:2682/600;" src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_3_92167c8126.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Workstation Connect" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_3_92167c8126.jpg 245w," sizes="100vw" width="2682" height="600"></p></div></div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Enterprise</strong></h4><p><strong>Compliance, connectivity, confidence</strong></p><p>Support your scientific business and digital transformation goals from single laboratory to global, multi-site, cloud-based deployment.&nbsp;</p><ul><li>Manage instruments, procedures, and protocols in a single software</li><li>Connect multiple sites to a central data server with the same performance as a fully local operation</li><li>Integrate with other informatics solutions: LIMS, LES or ELN</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_4_16c82a693c.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Enterprise" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_4_16c82a693c.jpg 245w," sizes="100vw" width="2682" height="600"></p><div><h3><strong>Focus areas</strong></h3></div><div colctrl-id="6-1"><div><div container-id="cq-colctrl-lt4" comp-id="A1"><div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Built for the Lab</strong></h4><p><strong>Analyze without compromise</strong></p><ul><li>Meet compliance and productivity needs</li><li>Designed for chromatography, CE, and MS (including HRAM)</li><li>Customizable user interface</li><li>Amplified spreadsheet-based custom reporting engine</li><li>Achieve more “right-first-time” analyses</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_5_b25345a248.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Built for the Lab" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_5_b25345a248.jpg 245w," sizes="100vw" width="2682" height="600"></p></div></div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Built for IT</strong></h4><p><strong>Standardize without compromise</strong></p><ul><li>Meet stability and data security needs</li><li>Ensure business continuity</li><li>Go beyond 1000+ connected users/instruments/workstations without affecting performance</li><li>Benefit from centralized management</li><li>Deliver strong, reliable ROI</li><li>Ability to adapt to your infrastructure</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_6_253bc4812c.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) SoftwareBuilt for IT" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_6_253bc4812c.jpg 245w," sizes="100vw" width="2682" height="600"></p></div></div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Built for Compliance</strong></h4><p><strong>Optimize without compromise</strong></p><ul><li>Utilize built-in features to establish and maintain your validated state&nbsp;</li><li>Schedule automated data management tasks</li><li>Simplify meeting latest regulatory requirements</li><li>Streamline with centralized data and audit trail review</li><li>Benefit from our rigorous testing</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_7_40b07fccc8.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Built for Compliance" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_7_40b07fccc8.jpg 245w," sizes="100vw" width="2682" height="600"></p></div></div><div data-seo-schema="" data-seo-element="description"><div><h4><strong>Built for MS</strong></h4><p><strong>Specialize without compromise</strong></p><ul><li>Leverage MS productivity tools for up to 10x faster processing</li><li>Optimize background processing whilst freeing the UI</li><li>Utilize built-in MS workflow packages and report templates</li><li>Gain confidence in results with support for cross-technique confirmation</li></ul><p><img src="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_8_94a5adf2cb.jpg" alt="Thermo Scientific™ Chromeleon™ Chromatography Data System (CDS) Software: Built for MS" srcset="https://storage.googleapis.com/labrulez-bucket-strapi-h3hsga3/thumbnail_Thermo_Scientific_Chromeleon_Chromatography_Data_System_CDS_Software_8_94a5adf2cb.jpg 245w," sizes="100vw" width="2682" height="600"></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>

Products from category Chromatography software distributed by Thermo Fisher Scientific (EMEA) - page 1

Related content

Dissecting Heterogeneous Populations of Protein-Complex Samples Using Direct Mass Technology

Webinars LabRulezLCMS Week 07/2026

Affinity, Gel Filtration, Size Exclusion Chromatography: Repurposing Kinase Inhibitors for Malaria