Immobilized blue-green algae

Chemistry: molecular biology and microbiology – Carrier-bound or immobilized enzyme or microbial cell;... – Enzyme or microbial cell is immobilized on or in an organic...

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

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049218034

ABSTRACT:
A composite is prepared which includes a substantially water-insoluble particulate or fibrous support having a surface energy of at least about 19 dynes per cm to which nitrogen-fixing filamentous heterocystous blue-green algae are attached. The support does not have a deleterious effect on the viability of the attached algae, and is preferably polypropylene or cellulosic. Preparing the composite includes contacting the support with blue-green algae to permit the algae to attach to the support by means of heterocyst cells. The attached cells in a nitrogen-deficient environment, fix nitrogen at a rate substantially greater than unattached cells, and have agricultural applications.

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