Stable polyacrylamide gels containing chaotropic agents

Details Stable polyacrylamide gels containing chaotropic agents Stable polyacrylamide gels containing chaotropic agents

1988-08-29

1990-08-21

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524808, 524809, 524813, 524555, 525279, 525281, 525296, 526259, C08K 520, C08F27102, C08F26510

Patent

active

049507087

ABSTRACT:
Polyacrylamide gels containing chaotropic agents such as urea as solubilizing agents for protein or nucleic acid separations are rendered stable for prolonged periods of time by the use of certain diacrylyl compounds with tertiary amide groups as cross linking agents. These compounds have the general structure ##STR1## where the R groups are generally saturated hydrocarbon groups and R.sup.4 through R.sup.9 may also be hydrogen. When used as cross linkers, these compounds have the further advantage of preventing urea crystallization at lowered temperatures.

REFERENCES:
patent: 4548869 (1985-10-01), Ogawa et al.
U.S. Dept. of Health & Human Services, No. PB88-212,758, 12 Jan. 88.
U.S. Dept. of Health & Human Services, No. PB 88-179,809, 24 Feb. 1988.

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