Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Patent
1987-10-13
1990-05-15
Naff, David M.
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
435174, 435177, 435180, 435182, 43524023, C12M 140, C12N 1100, C12N 1102, C12N 1108
Patent
active
049258036
ABSTRACT:
A fibrous support for immobilizing enzymes and cells is prepared as a roll formed by winding a braid on a tubular frame member. The braid is formed in a tubular shape with a plurality of rovings containing very thin long filaments. The roll is formed by cross-winding of the braid to crush intersecting portions of the tubular braid flat. The roll of braid has an external void ratio of 15 to 30%. The thin long filaments of the tubular braid are obtained by spinning a mixture of polymers to form a plurality of fibers containing a soluble component and an insoluble component, joining the fibers to form a roving, forming a tubular braid from a plurality of the rovings and washing the braid to dissolve out the soluble component to produce separated thin long filaments of the insoluble component.
REFERENCES:
patent: 4307151 (1981-12-01), Yamauchi et al.
Olson et al., Immobilized Enzymes in Food and Microbial Processes, Plenum Press, N.Y., 1974, pp. 176-179.
Marconi et al., Enzyme Engineering, vol. 3, 1980, pp. 269-278.
Aisaka Noboru
Ichijo Hisao
Nagasawa Jun'ichi
Suehiro Tetsuro
Yamauchi Aizo
Agency of Industrial Science & Technology, Ministry of Internati
Naff David M.
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