如题,求文献一篇: * i' B& T* s9 i) H/ u题目:Optimization of an Osmotic Shock Procedure for Isolation of a Protein Product Expressed in E.coli : N: `3 [3 \+ s3 g链接:http://onlinelibrary.wiley.com/doi/10.1021/bp034030s/full - M) {: c' z* u, L5 e1 J4 h & j( K% B! O! ?, W* p C对其中的方法比较感兴趣!