Physical factors negatively affecting evaluation of long-term biodegradation experiments of polychlorinated biphenyls
Jazyk angličtina Země Velká Británie, Anglie Médium print
Typ dokumentu časopisecké články, práce podpořená grantem
PubMed
8976055
DOI
10.1016/s0045-6535(96)00338-4
PII: S0045-6535(96)00338-4
Knihovny.cz E-zdroje
- MeSH
- benzylalkoholy chemie MeSH
- biodegradace * MeSH
- chromatografie plynová MeSH
- izotopové značení MeSH
- kultivační média MeSH
- mutageny metabolismus MeSH
- polychlorované bifenyly metabolismus MeSH
- polysorbáty chemie MeSH
- radioizotopy uhlíku MeSH
- vztahy mezi strukturou a aktivitou MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- 3,4,3',4'-tetrachlorobiphenyl MeSH Prohlížeč
- benzylalkoholy MeSH
- Delor 106 MeSH Prohlížeč
- kultivační média MeSH
- mutageny MeSH
- polychlorované bifenyly MeSH
- polysorbáty MeSH
- radioizotopy uhlíku MeSH
- veratryl alcohol MeSH Prohlížeč
Behaviour of PCB added in the form of a technical mixture (Delor 106) and [14C]PCB 77 into different aqueous model cultivation media in long-term experiments was studied. The work was focused on monitoring PCB recovery from liquid media in the absence of micro-organisms. GC-ECD and radioanalysis were utilised for determination of PCB in the examined systems. Strong relations between duration of experiments, composition of media, degree of chlorination of biphenyls, and recovery of PCB were found. The lowest yields of PCB were observed for the extracts from model solutions based on N-limited cultivation media without veratryl alcohol and Tween 80. The addition of these components, mainly of Tween 80, caused a significant increase of PCB recoveries.
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