Shiama Thiageswaran

Shiama Thiageswaran is an Assistant Editor at Separation Science. She brings experience in academic publishing and technical writing, and supports the development and editing of scientific content. At Separation Science, she contributes to editorial planning and helps ensure the delivery of clear, accurate, and relevant information for the analytical science community.

Articles by Shiama Thiageswaran

A laboratory scientist operates a compact GC–MS system on a stainless-steel bench, demonstrating modern, space-efficient analytical instrumentation designed for fast, reliable testing in industrial or research environments.
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Compact GC–MS systems are revolutionizing the landscape of analytical testing. Mike Collins discusses how advancements in design and ease of operation are fueling this transformation.
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A single-injection analytical approach is defining next-generation PFAS detection and quality control in pharmaceutical and medical device manufacturing.
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This article explores LC–MS/MS and immunoassay approaches, validation protocols, and QA/QC strategies supporting robust exosome biomarker assays. 
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Strict compliance standards for hydrogen, biofuels, and solar panels shape requirements for method validation, data integrity, and traceability.
Macro close-up of a CE-MS electrospray ionization source, showing a fine capillary tip emitting a blue, luminous mist of ions.
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CE-MS Coupling: Interfaces, Challenges, and Applications in Biopharma and Omics

Abstract visualization of analytical technology forming a protective barrier between harmful molecules and safe food.
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Next-Gen Quantitation: Advancements in Mycotoxin and Alkaloid Analysis for Enhanced Food Safety

Technician examining solar panels in a lab to evaluate durability, polymer degradation, and trace metals as part of solar panel life cycle analysis and renewable energy testing.
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Solar Panel Life Cycle Analysis: Testing Metals, Plastics, and Performance

Close-up of a diverse sample mixture in a clear vial or column, showing large red aggregates, medium blue globular proteins, and tiny yellow particles suspended in a solution. This sample represents the diverse molecules and particles that may elute in size exclusion chromatography columns.
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What Elutes First in Size Exclusion Chromatography?

Scientist operating an automated GC–MS/MS system in a modern laboratory, preparing vials for trace contaminant and PFAS analysis.
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The Impact of Automation on Sample Introduction for Trace Contaminant Analysis

Molecular diagram demonstrating analyte separation by MEKC, depicting how hydrophobic, polar, and charged molecules interact with SDS micelles for complex separations.
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Micellar Electrokinetic Chromatography: A Workhorse for Complex Separations

Close-up of a gas chromatograph inlet.
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GC Pressure Errors in Splitless Injection: A Guide to Purge Flow

Stylized illustration of a glowing, unfolded orange mRNA strand, illuminated by a spotlight against a dark background, representing the molecule being analyzed by mass photometry.
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Mass Photometry Solves Analytical Bottlenecks in Native-State mRNA QC 

Supervisor controlling an automated production system in a wood factory, representing oversight and precision in pyrolysis gas chromatography, biomass testing, and trace metal analysis workflows.
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Pyrolysis Gas Chromatography in Renewable Applications: Biomass, Plastics, and Waste Valorization

A laboratory setup with an operating ultracentrifuge on the left and a size-exclusion chromatography (SEC) system actively separating blue liquid into test tubes on the right, illustrating key extracellular vesicle isolation methods.
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Ultracentrifugation vs Size-Exclusion Chromatography: Optimizing EV Purification in Biotech and Pharma Labs