Conférence

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conférence du Pr Mickael GONSIOR (Université du Maryland, USA)

se tiendra le 15 décembre à 14h amphithéatre Kelling (AgroSup Dijon, bâtiement Epicure).
The color of dissolved organic matter - What we know about the molecular composition of CDOM

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Coordonnées :

Pr Michael Gonsior

Lab Affiliation :
Chesapeake Biological Laboratory

Mailing Address :
P.O. Box 38
Solomons, MD 20688

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Office Phone : 410-326-7245

 

The color of dissolved organic matter – What we know and don't know about the molecular composition of CDOM


The fraction of natural dissolved organic matter (DOM) that absorbs light in the ultraviolet (UV) and visible light spectrum is referred to as chromophoric DOM (CDOM) and is believed to be associated with the biorefractory component of DOM in natural systems, but it is also prone to photochemical degradation. This light-absorbing material has far reaching implications, including protection of biota from harmful UV radiation, precursors of the formation of disinfection by-products in drinking water production, and even in aging and premature oxidation of wines. The molecular composition of this material remains largely unknown and this seminar will focus on the advances made in pinpointing possible classes of CDOM at the molecular level and the most up to date knowledge of the CDOM molecular composition.

Michael GONSIOR


Professeur au Chesapeake Biological Laboratory, Solomons, Université du Maryland, USA
Domaine d'expertise : Molecular diversity of complex organic matrices in aquatic environments analyzed by modern analytical technology; Photochemistrg and photo l8mnd phot srcul rcul ul"> rcul ul"> rcul ul" rcul ul rcul })cul pt>