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Bacterial poly(fl-hydroxybutyrate) aud bacterial copolyesters of fl-hydroxybutyric acid with up to 29% of fl-hydroxyvaleric acid were shown to spread reproducibly from chloroform to give monolayers at the air-water interface. Typical limiting areas are 2.4 m 2 mg- ~, corresponding to 0.35 nm 2 per repeating unit. Surface pressures of up to 36 mN m- 1 were reached, corresponding to packing densities of approximately 0.12 nm 2 per repeating unit. The spreading of chiral, water-insoluble biopolyesters to stable monolayers, in which a majority of the repeating units are in contact with the water subphase, has important implications for the structure of polyalkanoate inclusions.

Посилання на статтю:

Spreading of poly(fl-hydroxylalkanoate)s at the air-water interface: a model system for the nascent lyotropic state of bacterial polyesters / Geoffrey A. R. Nobes and David A. Holdent // Polymer. – 1994. – Vol 35. – P. 435-437.

Spreading of poly(fl-hydroxylalkanoate)s at the air-water interface: a model system for the nascent lyotropic state of bacterial polyesters - Завантажити.