ABSENCE OF STABLE CARBON ISOTOPE FRACTIONATION OF SATURATED AND POLYCYCLIC AROMATIC HYDROCARBONS DURING AEROBIC BACTERIAL BIODEGRADATION
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dc.contributor.author | Mazeas L. | |
dc.contributor.author | Budzinski H. | |
dc.contributor.author | Raymond N. | |
dc.date.accessioned | 2021-06-03T05:13:46Z | |
dc.date.available | 2021-06-03T05:13:46Z | |
dc.date.issued | 2002 | |
dc.identifier | https://elibrary.ru/item.asp?id=1256728 | |
dc.identifier.citation | Organic Geochemistry, 2002, 33, 11, 1259-1272 | |
dc.identifier.issn | 0146-6380 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28770 | |
dc.description.abstract | Compound-specific stable carbon isotopic composition measurement is a promising discriminative tool for source identification of hydrocarbons in modern environments. Nevertheless, to be considered as a source tracer, the 13C/12C ratio either has to be unmodified or at least modified in a predictable fashion by the different processes affecting hydrocarbons in the environment (photo-oxidation, evaporation, biodegradation, etc.). Possible isotopic fractionations introduced by microbial biodegradation have been investigated in this study. Stable carbon isotopic compositions of saturated hydrocarbons and phenanthrene compounds were stable during the course of a crude oil biodegradation experiment with a marine bacterial community. The 13C/12C ratio of some standard 2-methylphenanthrene also remained constant during the course of a biodegradation experiment with a pure bacterial strain. These results indicate the absence of isotopic fractionation of hydrocarbons during aerobic bacterial biodegradation. Therefore, molecular stable carbon isotopic composition of n-alkanes and PAHs can be used for source identification of these compounds in environmental studies. | |
dc.title | ABSENCE OF STABLE CARBON ISOTOPE FRACTIONATION OF SATURATED AND POLYCYCLIC AROMATIC HYDROCARBONS DURING AEROBIC BACTERIAL BIODEGRADATION | |
dc.type | Статья |
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