期刊
SMALL
卷 16, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202004932
关键词
aerogels; amyloid fibrils; conducting polymers; sensors
类别
资金
- Scientific Center for Optical and Electron Microscopy ScopeM of ETHZ
- China Scholarship Council [201806240045]
Amyloid fibrils have garnered increasing attention as viable building blocks for functional material design and synthesis, especially those derived from food and agricultural wastes. Here, amyloid fibrils generated from beta-lactoglobulin, a by-product from cheese industries, have been successfully used as a template for the design of a new class of high-performance conductive aerogels with sensing properties. These mechanically stable aerogels with three-dimensional porous architecture have a large surface area (approximate to 159 m(2)g(-1)), low density (approximate to 0.044 g cm(-3)), and high electrical conductivity (approximate to 0.042 S cm(-1)). A pressure sensing device is developed from these aerogels based on their combined electrical conductivity and compressible properties. More interestingly, these aerogels can be employed to design novel enzyme sensors by exploiting the proteinaceous nature of amyloid fibrils. This study expands the scope of structured amyloid fibrils as scaffolds for in situ polymerization of conducting polymers, offering new opportunities to design materials with multiple functionalities.
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