Weighted collagen microsponge for immobilizing bioactive materia

Details Weighted collagen microsponge for immobilizing bioactive materia Weighted collagen microsponge for immobilizing bioactive materia

1989-08-14

1991-03-05

Naff, David M.

Chemistry: molecular biology and microbiology

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

Recombinant dna technique included in method of making a...

4351721, 435174, 435176, 435177, 43524023, 43524024, 43524026, 4352523, 435 7021, 435 703, 436548, 530356, 935 60, C12P 2100, C12N 1102, C12N 502, C12N 120

Patent

active

049977539

ABSTRACT:
Weighted collagen microsponges having a highly crosslinked collagen matrix are described suitable for use in culturing organisms in motive reactor systems. The microsponges have an open to the surface pore structure, and pore sizes and volumes suitable for immobilizing a variety of bioactive materials. The microsponges also have an average particle size in the range of about 100 to about 1000 microns and a specific gravity above about 1.05.

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patent: 4861714 (1989-10-01), Dean, Jr. et al.
patent: 4863856 (1989-09-01), Dean, Jr. et al.

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