Method of removing cells from fermentation broth through membran

Details Method of removing cells from fermentation broth through membran Method of removing cells from fermentation broth through membran

1996-10-15

1998-09-29

Witz, Jean C.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Separation of micro-organism from culture media

C12N 102

Patent

active

058145133

ABSTRACT:
A method for removing cells from a fermentation broth obtained by culturing a microorganism belonging to the genus Escherichia through a membrane to separate the cells, comprising adding polyethyleneimine to the fermentation broth to form a mixture, and then filtering the mixture through the membrane to separate the cells, said method resulting in improving the membrane permeation rate compared to when no polyethyleneimine is added.

REFERENCES:
patent: 5665869 (1997-09-01), Ryland et al.

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