At the distinguished Analytica USA 2025 event in Columbus, Ohio, the erudite Martin Gilar, a luminary Research Fellow within the esteemed Separations R&D Group at Waters Corporation, captivated the audience with his elucidating discourse titled, “RNA Analysis with LC and Affinity LC Methods.” Gilar’s presentation delved into the realm of mass spectrometry, heralded as a potent instrument for scrutinizing diverse RNA species. The intricate nature of long RNA molecules poses a challenge for comprehensive analysis, prompting the need for their enzymatic digestion into more manageable fragments, subsequently enabling the reconstruction of their sequence. Noteworthy in Gilar’s talk was the unveiling of a groundbreaking approach employing innovative RNase enzymes, tailored to yield fragments of optimal length conducive to LC-MS analysis. Furthermore, he expounded on the conundrums surrounding denaturing versus non-denaturing conditions, offering a novel method for assessing the RNA melting temperature (Tm) to facilitate the selection of suitable analytical parameters for distinct RNA variants.
Embarking on his academic journey at the prestigious Institute of Chemical Technology in Prague, Gilar attained his Ph.D. in analytical chemistry in 1996, laying the cornerstone for his illustrious career trajectory. Following this academic feat, he undertook postdoctoral research in Boston, channeling his efforts towards the development of cutting-edge separation methodologies for oligonucleotides. Since 1998, Gilar has been an esteemed member of the Waters Corporation family, channeling his expertise towards pioneering research in columns, sample preparation techniques, and analytical instruments. His forte lies in the intricate realm of biopolymers and nucleic acids, a domain where he has made indelible contributions, underscored by the publication of 75 scholarly papers throughout his distinguished career.
A recent collaboration saw Gilar joining forces with the eminent LC Troubleshooting columnist and co-host of Analytically Speaking, Dwight Stoll, in crafting a seminal paper titled, “Challenges and Solutions in Oligonucleotide Analysis, Part I: An Overview of Liquid Chromatography Methods and Applications.” Within this collaborative effort, Gilar delves into the transformative potential of novel RNase enzymes in enhancing RNA mapping via LC-MS, eclipsing the capabilities of conventional enzymatic agents. He sheds light on strategic methodologies aimed at curbing the emergence of ambiguous digest products that could cloud analytical outcomes. Moreover, Gilar navigates the treacherous terrain of the main impediments obstructing the seamless reconstruction of lengthy RNA sequences from enzymatic digests using LC-MS, proffering innovative solutions to combat issues such as overlapping fragments or incomplete digestion. Central to his discourse is the pivotal role played by the concept of melting temperature in the nuanced realm of LC analysis of nucleic acids, underscoring its significance in ensuring analytical precision and robustness.
This illuminating interview segment with Gilar serves as a mere glimpse into the profound insights shared by this luminary figure. Over the ensuing week, our coverage of the Analytica USA conference will unfurl, offering a tapestry of knowledge and innovation emanating from this prestigious gathering. For those eager to stay abreast of the latest developments and revelations from Analytica USA, a simple click will pave the way to a treasure trove of enlightenment and discovery.
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In the ever-evolving landscape of analytical sciences, each revelation and innovation serves as a stepping stone towards broader horizons, enriching our understanding and reshaping the contours of knowledge. As we navigate this intricate terrain, guided by the wisdom of luminaries like Martin Gilar, we inch closer towards unlocking the mysteries that lie at the nexus of science and discovery.