Preparation and mechanical properties of layers made of recombinant spider silk proteins and silk from silk worm

被引：0
|
作者：
F. Junghans
M. Morawietz
U. Conrad
T. Scheibel
A. Heilmann
U. Spohn
机构：
[1] Fraunhofer Institute of Mechanics of the Materials,Institute of Plant Genetics and Crop Plant Research
[2] Leibniz Institute,Department of Biotechnology
[3] Technical University of Munich,undefined
来源：
Applied Physics A | 2006年 / 82卷
关键词：
Atomic Force Microscopy; Ionic Liquid; Quartz Crystal Microbalance; HFIP; Silk Protein;
D O I：
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中图分类号：
学科分类号：
摘要：
Layers of recombinant spider silks and native silks from silk worms were prepared by spin-coating and casting of various solutions. FT-IR spectra were recorded to investigate the influence of the different mechanical stress occurring during the preparation of the silk layers. The solubility of the recombinant spider silk proteins SO1-ELP, C16, AQ24NR3, and of the silk fibroin from Bombyx mori were investigated in hexafluorisopropanol, ionic liquids and concentrated salt solutions. The morphology and thickness of the layers were determined by Atomic Force Microscopy (AFM) or with a profilometer. The mechanical behaviour was investigated by acoustic impedance analysis by using a quartz crystal microbalance (QCMB) as well as by microindentation.
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页码：253 / 260
页数：7
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