摘要
采用熔体快淬-去合金化法制备多孔PtFe纳米材料,通过X射线衍射、扫描电子显微镜及高分辨透射电子显微镜对其结构进行了表征.并研究了其在H2O2和3,3’,5,5’-四甲基联苯胺(TMB)催化体系中作为过氧化物酶的催化活性.研究发现,此纳米酶对H2O2和TMB具有较好的亲和性能,该催化反应符合Michaelis-Menten动力学理论.
Nanoporous PtFe (NP-PtFe) alloy was prepared by melt quenching and dealloying method,and their structures were characterized by X-ray diffraction,scanning electron microscopy and high-resolution transmission electron microscopy.As peroxidase in H2O2 and 3,3’,5,5’-tetramethyl benzidine (TMB) system,its catalytic activity was studied.It was found that the nano-enzyme had a good affinity for H2O2 and TMB,and the catalytic reaction was consistent with Michaelis Menten kinetic theory.
作者
闫飞虹
王佳敏
史宇帆
崔荣静
YAN Feihong;WANG Jiamin;SHI Yufan;CUI Rongjing(School of Materials Engineering,Changshu Institute of Technology,Changshu 215500;College of Chemistry,Chemical Engineering and Materials Science,Soochow University,Suzhou 215000,China)
出处
《常熟理工学院学报》
2020年第2期7-10,共4页
Journal of Changshu Institute of Technology
基金
江苏省高校自然科学研究重大项目“纳米多孔Pt-R(R:稀土元素)合金的电催化研究”(16KJA150007)。
关键词
纳米多孔铂铁
纳米酶
类酶催化
nanoporous PtFe material
nano-enzymes
catalytic reaction
