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Поисковый запрос: (<.>K=hydrophobization procedure<.>)
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    Immobilization of hydrocarbon-oxidizing bacteria in poly(vinyl alchohol)cryigels hydrophobized using a biosurfactant / M. S. Kuyukina [и др.] // Journal of Microbiological Methods. - 2006. - Vol. 65, Issue 3. - P. 596-603
УДК
ББК 28.4
Рубрики: Биология
   Общая микробиология

Кл.слова (ненормированные):
hydrophobization procedure -- hydrocarbon-oxidizing bacteria
Аннотация: A simple biosurfactant-based hydrophobization procedure for poly(vinyl alcohol) (PVA) cryogels was developed allowing effective immobilization of hydrocarbon-oxidizing bacteria. The resulting partially hydrophobized PVA cryogel granules (granule volume 5 microl) contained sufficient number (6.5 x 10(3)) of viable bacterial cells per granule, possessed high mechanical strength and spontaneously located at the interface in water-hydrocarbon system. Such interfacial location of PVA granules allowed high contact of immobilized biocatalyst with hydrophobic substrate and water phase, thus providing bacterial cells with mineral and organic nutrients. As a result, n-hexadecane oxidation efficiency of 51% after 10-day incubation was achieved using immobilized biocatalyst. PVA cryogels with increased hydrophobicity can be used for immobilization of bacterial cultures performing oxidative transformations of water-immiscible organic compounds. Immobilization of in situ biosurfactant producing Rhodococcus bacteria into PVA cryogel is discussed. PVA cryogel granules with entrapped alkanotrophic rhodococcal cells were stable after 10-month storage at room temperature.


Доп.точки доступа:
Kuyukina, M. S.; Ivshina, I. B.; Gavrin, A. Yu.; Podorozhko, E. A.; Lozinsky, V. I.; Jeffree, Ch. E.; Jamesf, C.

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