期刊
BIOMACROMOLECULES
卷 13, 期 11, 页码 3780-3786出版社
AMER CHEMICAL SOC
DOI: 10.1021/bm3012264
关键词
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资金
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-2009-0093183]
In Order to :achieve continuous biocatalytic hydration of CO2, Carbonic anhydrase (CA) derived from Rhodobacter sphaeroides was immobilized on electrospun polystyrene/poly(styrene-co-maleic anhydride) (PS/PSMA) nanofibers as cross-linked enzyme aggregates (CLEA), The CA-CLEA maintained more than 94.7% of its initial activity during 60 days of storage perio at 4 degrees C and also retained more than 45.0% activity. after 60 re:uses. The Capability of CA-CLEA to hydrolyze CO2 was verified in terms of CaCO3 precipitation. The immobilized CA induced enhanced cell growth of R. sphaeroides, which then increased the production of R. sphaeroides-derived organic substances including carotenoid, bacterio chlorophyll, porphyrin, and coenzyme Q10. Further exploitation of such nanofiber-catalyst complexes that allows environment friendly use of CO2 is expected in a variety of research fields.
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