Accession Number : ADA183495

Title :   Crystallization and Vitrification in Cryoprotected Aqueous Systems.

Descriptive Note : Technical rept. Mar 87-Jun 87,

Corporate Author : PURDUE UNIV LAFAYETTE IN DEPT OF CHEMISTRY

Personal Author(s) : Angell,C A ; Senapati,H

PDF Url : ADA183495

Report Date : Aug 1987

Pagination or Media Count : 15

Abstract : Some key ideas, and experimental finding concerning the probability that crystallization of a liquid or its binary solutions will occur at moderate cooling rates are discussed, with emphasis on the case of aqueous solutions. The use of cryoprotectants and of pressure to dimimish these probabilities, hence to promote vitrification, is rationalized. Some new data on crystallization of bulk and emulsified aqueous solutions of the cryoprotectant glycerol are presented to illustrate the principles. (Keywords:) crystallization, cryproltection, nucleation, vitrification.

Descriptors :   *NUCLEATION, *CRYSTALLIZATION, BINARY SYSTEMS(GENERAL), SOLUTIONS(GENERAL), COOLING, RATES, EMULSIONS, SOLUTIONS(MIXTURES), WATER

Subject Categories : Crystallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE