The monograph presents modern results of the study of the structure and biological properties of products based on silk fibroin and other biodegradable polymers of natural and synthetic origin. The book discusses methods for producing biopolymers and products from them, the possibility of using them for regenerative medicine, tissue engineering, and pharmaceuticals. The monograph analyzes the advantages and disadvantages of biopolymers. The book is intended for specialists in bioengineering, bionanotechnology, structural biology, polymer chemistry, pharmaceuticals.