Modified bacterial cellulose

Details Modified bacterial cellulose Modified bacterial cellulose

1997-07-25

2000-05-09

Prats, Francisco

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

536 56, 536126, 53612312, C12P 1904

Patent

active

060602899

ABSTRACT:
This invention provides a bacterial cellulose comprising ribbon-shaped microfibrils having a thickness of 10 to 100 nm and a width of 160 to 1000 nm or a bacterial cellulose comprising ribbon-shaped microfibrils having a thickness of 10 to 100 nm and a width of 50 to 70 nm. The former bacterial cellulose can be produced by culturing cellulose-producing bacteria in a culture medium containig a cell division inhibitor, and the latter can be produced by culturing the bacterium in a culture medium containing an organic reducing agent. The bacterial cellulose is modified from conventional bacterial cellulose in the major axis, and is improved in Young's modulus, etc.

REFERENCES:
patent: 4742164 (1988-05-01), Iguchi et al.
patent: 4745058 (1988-05-01), Townsley
patent: 4863565 (1989-09-01), Johnson et al.
Chemical Abstracts 122(25): 313074v (1995).
Hestrin et al, Nature 159: 64-65 (1947).

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