Biorefinery Processes Research Group, Department of Chemical and Environmental Engineering, Polytechnic School, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastian, Spain.
Biorefinery Processes Research Group, Department of Chemical and Environmental Engineering, Polytechnic School, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastian, Spain.
Carbohydr Polym. 2015 Feb 13;116:286-91. doi: 10.1016/j.carbpol.2014.04.047. Epub 2014 Apr 21.
Chitin nano-objects become more interesting and attractive material than native chitin because of their usable form, low density, high surface area and promising mechanical properties. This work suggests a straightforward and environmentally friendly method for processing chitin nanofibers using dynamic high pressure homogenization. This technique proved to be a remarkably simple way to get α-chitin into α-chitin nanofibers from yellow lobster wastes with a uniform width (bellow 100 nm) and high aspect ratio; and may contributes to a major breakthrough in chitin applications. Moreover, the resulting α-chitin nanofibers were characterized and compared with native α-chitin in terms of chemical and crystal structure, thermal degradation and antifungal activity. The biological assays highlighted that the nano nature of chitin nanofibers plays an important role in the antifungal activity against Aspergillus niger.
壳聚糖纳米材料由于其可用形式、低密度、高表面积和有前途的机械性能，比天然壳聚糖成为更有趣和有吸引力的材料。本工作提出了一种使用动态高压匀浆处理壳聚糖纳米纤维的简单、环保的方法。该技术被证明是一种非常简单的方法，可以从黄龙虾废料中将 α-壳聚糖转化为具有均匀宽度（低于 100nm）和高纵横比的 α-壳聚糖纳米纤维；并且可能为壳聚糖的应用带来重大突破。此外，对所得的 α-壳聚糖纳米纤维进行了表征，并与天然 α-壳聚糖在化学和晶体结构、热降解和抗真菌活性方面进行了比较。生物测定结果表明，壳聚糖纳米纤维的纳米性质在对抗黑曲霉的抗真菌活性中起着重要作用。
