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Characterization of the Kinetic Phase Transition of Phospholipids Using Avrami and Tobin Models
Author(s) -
Chen Lin,
Yu ZhWu,
Xue FangYu,
Hong XiaoYin
Publication year - 2001
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20010190802
Subject(s) - chemistry , lamellar structure , differential scanning calorimetry , nucleation , phase (matter) , thermodynamics , crystallization , kinetic energy , avrami equation , phase transition , kinetics , crystal growth , crystallography , organic chemistry , crystallization of polymers , physics , quantum mechanics
Mechanism of the lamellar crystalline phase formation of distearoyl‐phosphatidylethanolamine (DSPE) dispersed in excess glycerol has been examined by differential scanning calorimetry. It was found that transformation of liquid‐crystal phase to a crystalline phase must be mediated by a lamellar‐gel phase. Further examination of the kinetic phase behavior using Avrami and Tobin models suggested a single dimensional growing pattern and a three‐step mechanism of the crystallization, consisting of nucleation, normal growth, and restricted growth.