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2. Innovative Approach to Enhance Bioavailability of Birch Bark Extracts: Novel Method of Oleogel Development Contrasted with Other Dispersed Systems

Author

Andze, Laura, primary, Vitolina, Sanita, additional, Berzins, Rudolfs, additional, Rizikovs, Janis, additional, Godina, Daniela, additional, Teresko, Arturs, additional, Grinberga, Solveiga, additional, Sevostjanovs, Eduards, additional, Cirule, Helena, additional, Liepinsh, Edgars, additional, and Paze, Aigars, additional

Published
2024
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11. Wood as Possible Renewable Material for Bone Implants—Literature Review.

Author

Nefjodovs, Vadims, Andze, Laura, Andzs, Martins, Filipova, Inese, Tupciauskas, Ramunas, Vecbiskena, Linda, and Kapickis, Martins

Subjects
WOOD, LITERATURE reviews, METALS in surgery, BIOMEDICAL materials, BIOACTIVE glasses, BONE fractures, CELLULOSE fibers, ACETABULARIA
Abstract

Bone fractures and bone defects affect millions of people every year. Metal implants for bone fracture fixation and autologous bone for defect reconstruction are used extensively in treatment of these pathologies. Simultaneously, alternative, sustainable, and biocompatible materials are being researched to improve existing practice. Wood as a biomaterial for bone repair has not been considered until the last 50 years. Even nowadays there is not much research on solid wood as a biomaterial in bone implants. A few species of wood have been investigated. Different techniques of wood preparation have been proposed. Simple pre-treatments such as boiling in water or preheating of ash, birch and juniper woods have been used initially. Later researchers have tried using carbonized wood and wood derived cellulose scaffold. Manufacturing implants from carbonized wood and cellulose requires more extensive wood processing—heat above 800 °C and chemicals to extract cellulose. Carbonized wood and cellulose scaffolds can be combined with other materials, such as silicon carbide, hydroxyapatite, and bioactive glass to improve biocompatibility and mechanical durability. Throughout the publications wood implants have provided good biocompatibility and osteoconductivity thanks to wood's porous structure. [ABSTRACT FROM AUTHOR]

Published
2023
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