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Cross-linking and trimethylsilylation successfully block off the hydrophilic NH2 and OH groups in chitosan nanofibers to produce a waterproof nanofibrous aerogel while keeping its nanoscale structural homogeneity intact. The unique microstructure of a three-dimensionally entangled nanofiber network exhibiting a combination of translucency, hydrophobicity, and non-brittleness is described.
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Takeshita et al. (2017) studied this question.
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