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KMID : 1094719970020010001
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Biotechnology and Bioprocess Engineering
1997 Volume.2 No. 1 p.1 ~ p.10
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Biosynthesis and biotechnological production of degradable polyhydroxyalkanoic acid
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Lee Eun-Yeol
Choi Cha-Yong
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Abstract
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The use of biodegradable polymers is one of the key solution to environmental problems and the development of biocompatible material. The impact of such a large commercial opportunity is one of the primary reasons for much interest in the field of microbial polyester, polyhydroxyalkanoic acid (PHA). Its valuable properties of biodegradability, biocompatibility and thermoplasticity have attracted considerable commercial interest, and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)] has been launched as the first market product. Recent advances in molecular genetics and microbial physiology of PHA biosynthesis have been uncovering the biosynthetic mechanics at molecular level, and extensive efforts for the developments of practical applications and cost-effective mass production of PHA will profell the commercialization of PHA towards the commodity market for biodegradable plastics. The biosynthesis of new members of PHA family with new monomer or unusual composition will also lead to the biotechnological production of tailor-made biopolymer for various applications.
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KEYWORD
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polyhydroxyalkanoic acid, microbial polyester, biodegradable plastic, biosynthetic mechanics, biotechnological production
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