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Abstract
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Article Information:
Production and Characterization of the Polymer Polyhydroxy Butyrate-co-polyhydroxy Valerate by Bacillus megaterium NCIM 2475
S.V. Otari and J.S. Ghosh
Corresponding Author: Dr. J.S.Ghosh
Submitted: 2009 June, 23
Accepted: 2009 June, 25
Published: |
Abstract:
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Polyhydroxyalkanoates (PHAs) are biodegradable polyesters which are synthesized by many
bacteria. They are accumulated intracellularly as carbon and energy reserves under certain conditions like, in
the presence of excess carbon source. The oldest known such polymer is poly hydroxy butyrate (PHB).
However, commercial exploitation of such polymers have not been seriously attempted due to several reasons
and one such reason is that PHB is not flexible as expected. It has also been pointed out that if PHB is blended
suitably with certain other PHAs like polyhydroxy valerates (PHV) then the resultant material is more strong
and flexible than PHB. The present investigation is aimed at production of PHV along with PHB from Bacillus
megaterium NCIM 2475 and the results show that this was made up of PHB-co-PHV when grown in presence
of sucrose.
Key words: Bacillus megaterium, PHB, PHV, Sucrose, copolymer, ,
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Cite this Reference:
S.V. Otari and J.S. Ghosh, . Production and Characterization of the Polymer Polyhydroxy Butyrate-co-polyhydroxy Valerate by Bacillus megaterium NCIM 2475. Current Research Journal of Biological Sciences, (2): Page No: 23-26.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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