Chitin is the second most abundant polysaccharide on Earth, after cellulose, and it is mainly obtained from the shells of crustaceans.While chitin is currently derived from shrimp shells, there is a growing interest in commercializing chitin sourced from insects.This review compares chitin from various sources, including crustaceans, insects, fungi
Tibial eminence avulsion fractures are rare injuries occurring mainly in adolescents and young adults.When necessary, regardless of patient age, anatomic reduction and stable internal fixation are mandatory for fracture healing and accurate restoration of normal knee biomechanics.Various arthroscopically assisted fixation methods with sutures, anch
Currently, the forest industry of the Russian Federation is experiencing difficulties with the sale of hardwood pulpwood, which necessitates the search for new technical and technological solutions for its use.The paper describes the design of wooden bricks made from hardwood.Wooden brick is made by gluing lamellas, oriented in a certain way, toget