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Amyloid-templated polydopamine nanofibers for catecholic immobilization of catalytic noble metal nanoparticles
Chemical Communications ( IF 4.9 ) Pub Date : 2022-07-20 , DOI: 10.1039/d2cc02885a
Lv Lili 1 , Wang Yanwei 2 , You Jun 3 , Li Mingjie 2 , Li Chaoxu 2
Affiliation  

Dopamine molecules were oxidized and self-polymerized into nanofibers via a template of lysozyme amyloid nanofibrils. The catechol groups adsorbed noble metal ions on the surface of the PDA nanofibers and in situ reduced them into metallic nanoparticles with excellent catalytic activities. This study will not only pave a green way for fabricating 1D nanostructures via biological templates, but also provide a unique opportunity for in situ preparation and immobilization of noble metal nanocatalysts.

中文翻译:

淀粉样蛋白模板聚多巴胺纳米纤维用于催化贵金属纳米粒子的儿茶酚固定

多巴胺分子通过溶菌酶淀粉样纳米纤维的模板被氧化并自聚合成纳米纤维。邻苯二酚基团将贵金属离子吸附在 PDA 纳米纤维表面,原位还原成具有优异催化活性的金属纳米粒子。该研究不仅为通过生物模板制备一维纳米结构开辟了一条绿色途径,而且为贵金属纳米催化剂的原位制备和固定化提供了独特的机会。
更新日期:2022-07-20
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