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Biomaterials pp 123–213Cite as

Palgrave Macmillan

Polyhydroxyalkanoic acids

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Abstract

Polyhydroxyalkanoic acids (PHA) are water-insoluble polyesters of alkanoic acids containing a hydroxyl group as at least one functional group in addition to the carboxy group, and possess the general formula shown in Fig. 1. Although some of these polymers are also available from chemical synthesis, many of them are synthesized by bacteria and are deposited in abundant amounts in the cytoplasm of the cells. The variability of the position of the hydroxyl group and of the type of the R-pendant group of the constituents (see below), a large variety of different constituent monomers in copolyesters, as well as the varying degree of polymerization, allow the biosynthesis of many different polymers exhibiting different physical properties.

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  1. Institut für Mikrobiologie, Georg-August-Universität Göttingen, Grisebachstraße 8, Göttingen, D-3400, Germany

    Alexander Steinbüchel

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© 1991 Palgrave Macmillan, a division of Macmillan Publishers Limited and ICI Biological Products Business

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Steinbüchel, A. (1991). Polyhydroxyalkanoic acids. In: Byrom, D. (eds) Biomaterials. Palgrave Macmillan, London. https://doi.org/10.1007/978-1-349-11167-1_3

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