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SUMMARY:Identifying Organic Molecules in Wildfire Impacted Watersheds by Ma
 ss Spectrometry
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20250917T160000
UID:2026-05-18-06-43-44@natsci.colostate.edu
DTSTAMP:20260518T064344
Description:About the seminar:\n\nWildfires are natural ecosystem disturban
 ces that have both positive and negative implications like stimulating veg
 etation growth and polluting sensitive ecosystems\, respectively. Precipit
 ation events transport fire-impacted organic molecules into watersheds. It
  is important to identify the mobilized organic compounds to help predict 
 the potential environmental implications of wildfires on aquatic ecosystem
 s. Mass spectrometry is a commonly used technique for characterization of 
 organic molecules in aquatic systems. Thus\, I will discuss different mass
  spectrometry approaches targeting biomarkers for determining fire extent 
 by liquid chromatography quadrupole time-of-flight mass spectrometry\, exa
 mining compositional changes along a burn severity gradient by Fourier tra
 nsform ion cyclotron resonance mass spectrometry\, and utilizing an untarg
 eted method to characterize biologically relevant small organic molecules 
 (metabolites) in soils by single quadrupole gas chromatography mass spectr
 ometry. In my research\, I will be using liquid chromatography and gas chr
 omatography mass spectrometry to elucidate the changes in the metabolomic 
 profile of wildfire impacted watersheds. Findings from this study may help
  explain observed differences in biogeochemical cycling of carbon and nutr
 ients in aquatic ecosystems. 4:00 pm
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