![]() ![]() The formic acid treatment partially releases predominately the light chain fragment (soluble fraction) and then the soluble fraction and insoluble fractions can be converted into new materials. We report a simple method of separating silk fractions using formic acid. ![]() Current methods of separating the two silk fractions is complicated and produces inadequate quantities of the isolated components for the study of the individual light and heavy chain silks with respect to new materials. Bombyx mori (BM) silk fibroin is composed of two different subunits heavy chain and light chain fibroin linked by a covalent disulphide bond. ![]()
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