Method of making magnetic, crosslinked chitosan support material

Details Method of making magnetic, crosslinked chitosan support material Method of making magnetic, crosslinked chitosan support material

1997-06-30

1999-01-26

Szekely, Peter A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

1061622, 252 6251R, 252 6253, 252 6256, C08L 508, C08B 3708, C04B 3526, H01F 100

Patent

active

058640258

ABSTRACT:
Method for magnetizing crosslinked chitosan support material involving the treatment of carboxyl group-containing, crosslinked chitosan gels with solutions of ferrous chloride followed by treatment with dilute aqueous alkali and then oxidation with molecular oxygen gas to produce highly-enriched magnetized chitosan particles, beads, films and/or coatings.

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Marchessault, et al., Polymer, 33, 4024-4027, 1992 (no month).
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Melville, et al., Nature, 255, 706, Jun. 1975.
Information Brochure of Paesel-Lorei Co., Frankfurt am Main Germany, entitled "Magnetic Separation with Micro-Particles", 4 pages total, undated.

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