Crack patterns in drying protein solution drops

被引：75

作者：

Annarelli, CC ^{[1
]}

Fornazero, J ^{[1
]}

Bert, J ^{[1
]}

Colombani, J ^{[1
]}

机构：

[1] Univ Lyon 1, Dept Phys Mat, F-69622 Villeurbanne, France

来源：

EUROPEAN PHYSICAL JOURNAL E | 2001年 / 5卷 / 05期

关键词：

D O I：

10.1007/s101890170043

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A deposited drop of bovine serum albumin salt solution experiences both gelation and fracturation during evaporation. The cracks appearing at the edge of the gelling drop are regularly spaced, due to the competition between the evaporation-induced and relaxation-induced stress evolution. Subsequently, the mean crack spacing evolves in an unexpected way, being inversely proportional instead of proportional to the deposit thickness. This evolution has been ascribed to the change with time of the average shrinkage stress, the crack patterning being purely elastic instead of evaporation-controlled.

引用

页码：599 / 603

页数：5

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