{"podcast":{"title":"Concentrating on Chromatography","slug":"concentrating-on-chromatography-7157959","podcast_index_feed_id":7157959,"rss_url":"https://anchor.fm/s/fd632380/podcast/rss","website_url":"https://concentratingonchromatography.com","image_url":"https://d3t3ozftmdmh3i.cloudfront.net/staging/podcast_uploaded_nologo/42411328/42411328-1731191904094-fc5e6d90497be.jpg","author":"David Oliva","episode_count":62,"summary":"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!","last_synced_at":null,"page_url":"https://stenobird.com/podcast/concentrating-on-chromatography-7157959"},"episode":{"title":"Episode 40: Mass Spectrometry, Surface Sampling and Dried Matrix Spots - Greener Chemistry and 3D Printing","slug":"episode-40-mass-spectrometry-surface-sampling-and-dried-matrix-spots-greener-chemistry-and-3d-printing","published_at":"2025-12-31T12:00:00+00:00","page_url":"https://stenobird.com/podcast/concentrating-on-chromatography-7157959/episode-40-mass-spectrometry-surface-sampling-and-dried-matrix-spots-greener-chemistry-and-3d-printing","show_page_url":"https://stenobird.com/podcast/concentrating-on-chromatography-7157959","url":"https://podcasters.spotify.com/pod/show/chromatography/episodes/Episode-40-Mass-Spectrometry--Surface-Sampling-and-Dried-Matrix-Spots---Greener-Chemistry-and-3D-Printing-e3crk4q","audio_url":"https://anchor.fm/s/fd632380/podcast/play/113151578/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-11-27%2F415047567-44100-2-e9bb0bdd87e46.m4a","summary":"In this episode, we interview Daniel Reddy, 2025 CAS Future Leader and PhD candidate at Queen's University, about his groundbreaking research on automated mass spectrometry and dried matrix spots (DMS).Dan's work combines computer vision, 3D printer automation, and laser micromachining to revolutionize sample preparation—reducing CO₂ emissions by 28-fold and organic solvent use by 21-fold compared to traditional methods.What You'll Learn:How to give a mass spectrometer "sight" and "taste" using computer vision and the LMJ-SSP (Liquid Microjunction Surface Sampling Probe)The breakthrough technology behind Surface Energy Traps (SETs) for confining liquid droplets on paper substratesWhy dried matrix spots eliminate the need for cold-chain shipping and enable analysis of blood, urine, and saliva samples via standard mailHow DIY chemists are hacking 3D printers to build cost-effective autosamplers (replacing $10K+ systems)The role of green chemistry and systems thinking in modernizing analytical methodsWhy interdisciplinary collaboration (chemistry + computer science) is critical to innovationKey Topics:Dried Matrix Spots (DMS) for automated sample prepLaser-micromachined Surface Energy TrapsDirect surface sampling mass spectrometrySustainability in analytical chemistry3D printer customization for laboratory automationThe importance of science communication and community outreachGuest Background:Dan Reddy is a PhD candidate in the Department of Chemistry at Queen's University and a recipient of the NSERC Vanier Canada Graduate Scholarship. He was recently named one of the top 35 early-career scientists globally in the 2025 CAS Future Leaders program.Relevant for:Analytical chemists and mass spectrometry practitionersLab managers seeking sustainable and c…","meta_description":"In this episode, we interview Daniel Reddy, 2025 CAS Future Leader and PhD candidate at Queen's University, about his groundbreaking research on automated…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1970,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/concentrating-on-chromatography-7157959/episodes/episode-40-mass-spectrometry-surface-sampling-and-dried-matrix-spots-greener-chemistry-and-3d-printing/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/concentrating-on-chromatography-7157959/episode-40-mass-spectrometry-surface-sampling-and-dried-matrix-spots-greener-chemistry-and-3d-printing.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}