Preparation of nanocrystals and chitin microfibrils
Progress on Chemistry and Application of Chitin and its Derivatives(2022)
摘要
Chitin nanocrystals and microfibrils were prepared based on the strong acid hydrolysis method. The change in the molecular structure was studied by Fourier-transform infrared and Raman spectroscopy. The surface morphology of chitin materials was observed using scanning electron and optical microscopy. The separation of nano-crystals and microfibril crystalline regions from native chitin may increase the scope of its application for the creation of bioactive composites and scaffolds for tissue culture. As a result of the conducted experimental work, it was possible to loosen the amorphous areas and partially separate nano-crystals and chitin microfibrils. Stable aqueous suspensions of chitin nano-crystals and microfibrils were obtained, which can be used for further experimental work.
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关键词
nano-crystals chitin,microfibrils chitin,acid hydrolysis,ultrasonic treatment
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