Immobilied blue-green algae in sheet form

Details Immobilied blue-green algae in sheet form Immobilied blue-green algae in sheet form

1987-03-17

1990-08-21

Naff, David M.

Chemistry: molecular biology and microbiology

Carrier-bound or immobilized enzyme or microbial cell;...

Enzyme or microbial cell is immobilized on or in an organic...

71 6, 71 7, 435177, 435180, 435182, 435257, 435288, C12N 1112, C12N 1108, C12M 140, C05F 1108

Patent

active

049506013

ABSTRACT:
A composite structure having a thickness substantially less than its width such as a sheet is prepared which includes a substantially water-insoluble particulate or fibrous support having a surface energy of at least about 30 dynes per cm to which nitrogen-fixing filamentous blue-green algae heterocyst cells are attached. the support does not have a deleterious effect on the attached algae and is preferably cellulosic or a polyoletin such a polypropylene. The structure may contain a first and second layer and have a plurality of raised, three-dimensional shapes over at least a portion of at least one surface. Preparing the composite structure includes contacting the support with blue-green algae to permit the algae to attach to the support by means of heterocyst cells. The attach cells in a nitrogen deficient environment, fix nitrogen at a rate substantially greater than unattached cells, and have agricultural applications.

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