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Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS United Kingdom.
Biomacromolecules. 2004 May-Jun;5(3):768-72. doi: 10.1021/bm034381v.
The rheological properties of fibroin silk solutions extracted from the middle division of Bombyx mori silkworms were examined. Acidification of the solutions with acetic acid vapor gelled the material, a process which at short time scales could be reversed by exposure to ammonia vapor. The solution could also be converted to sol from the gel state by the addition of EDTA. The possible mechanisms for gel formation in fibroin solutions is discussed as are the implications for the process of spinning silk fibers.
对从家蚕中部提取的丝素蛋白溶液的流变学特性进行了研究。用醋酸蒸汽酸化溶液会使材料凝胶化，在短时间尺度上，该过程可通过暴露于氨蒸汽而逆转。通过添加乙二胺四乙酸（EDTA），溶液也可从凝胶状态转化为溶胶状态。文中讨论了丝素蛋白溶液中凝胶形成的可能机制以及对纺丝过程的影响。
