Chemistry: molecular biology and microbiology – Carrier-bound or immobilized enzyme or microbial cell;... – Enzyme or microbial cell is immobilized on or in an...
Patent
1982-03-26
1983-11-22
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...
435180, 435181, C12N 1114, C12N 1108, C12N 1106
Patent
active
044169922
ABSTRACT:
Support matrices are prepared by titanating the surface hydroxyl groups of refractory inorganic oxides with a titanium tetrahalide, such as TiCl.sub.4, reacting each of the remaining halogens of the surface-titanated oxide with one of the amino groups of diamine, and thereafter reacting the remaining amino group with one of the functional groups of a dialdehyde or diisocyanate. Titanating is carried out by contacting a refractory inorganic oxide with titanium tetrahalide, preferably in the absence of a solvent for the titanium tetrahalide, removing excess and unreacted titanium tetrahalide and heating the titanated inorganic oxide at a temperature of from about 80.degree. C. to about 200.degree. C. in an inert atmosphere of nitrogen, argon or helium, or in a vacuum. Such support matrices may be used to bind enzymes, affording effective immobilized enzyme systems.
REFERENCES:
patent: 3841969 (1974-10-01), Emery et al.
patent: 4268419 (1981-05-01), Rohrbach
patent: 4337172 (1982-06-01), Teague et al.
J. M. S. Cabral et al., Biotechnology and Bioengineering, 23, 2083 (1981).
Arena Blaise J.
Rohrbach Ronald P.
Hoatson Jr. James R.
Naff David M.
Page II William H.
Snyder Eugene I.
UOP Inc.
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