Does a protein secondary structure changes from dry powder state to water solution?

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Massimo Sandal

Did you search the literature? This is the first result in Google Scholar for "dry collagen structure":

http://www.sciencedirect.com/science/article/pii/S0040603100006195

Alexander Shchegolikhin

Luigi, see , e.g., an excellent review on the topic

http://www.protein.bio.msu.ru/biokhimiya/contents/v63/full/63030422.html