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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Chitin nanofibril ： ウィキペディア英語版 Chitin nanofibril Chitin nanofibril is a new natural raw material obtained from puriication of chitin, produced from the crustacean and fishery' waste .It is a crystalline polysaccharide capable of interacting with enzymes, platelets, and other cell compounds present in living human tissue. From the first progress studies, it seems that chitin nanofibril helps to maintain cutaneous homeostasis and neutralize the activity of free radicals, and represents a natural carrier that favors the transcutaneous penetration of many active principles. ==Dimensions and characteristics== Chitin nanofibrils, as nanocrystals, represent the pure and sugary molecular portion of alpha-chitin obtained after the elimination of the protein portion. Since they are easily metabolised by our body using endogenous enzymes, they are used in the cosmetic as well as in biomedical sectors.〔Morganti P, Morganti G, Muzzarelli RAA. and Muzzarelli C. (2007) Chitin nanofibrils: a natural compound for innovative Cosmeceuticals. C&T, 122 (n 4): 81-88〕 These crystals are called nano due to their average size of 240×7×5 nanometers (nm), and fibrils because of their shape as thin needles.The type of crystallinity with its strong inter molecular hydroperoxide binding determines the structure and morphology of Chitin Nanofibrils (22). Moreover, they are natural because present in nature and safe to use because, being recognized by enzymes, they are bio and eco-compatible. These nanofibrils' average size 〔Muzzarelli RAA. and Muzzarelli C. (2005) Chitin nanofibrils. In: Chitin and Chitosan: Research Opportunities and Challenges P.K. Dutta and RAA Muzzarelli, eds. New Age International, New Delhi, India〕〔Morganti P, Muzzarelli RAA, Morganti G. and Muzzarelli C. (2006) Le nanofibrille di chitina. Una realtà tutta italiana. Cosmetic Technology, 9 (6): 21-25〕 being one-fourth of a bacterium, 1 gram of product develops a surface of 400mt. Its medium weight is evaluated to be equal to 0.074x106 ng and water up take achieves of about 400 wt%.(21) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chitin nanofibril」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.