Enhanced peroxidase-like activity of hierarchical MoS2-decorated N-doped carbon nanotubes with synergetic effect for colorimetric detection of H2O2 and ascorbic acid  

作　　者：Jing Zheng Dandan Song Hong Chen Jingli Xu Njud SAlharbi Tasawar Hayat Min Zhang 

机构地区：[1]College of Chemistry and Chemical Engineering,Shanghai University of Engineering Science,Shanghai 201620,China [2]Shanghai Key laboratory of Crime Scene Evidence,Shanghai Research Institute of Criminal Science and Technology,Shanghai 200083,China [3]Biotechnology Research Group,Department of Biological Sciences,Faculty of Science,King Abdulaziz University,Jeddah 21589,Saudi Arabia [4]Department of Mathematics,Quaid-I-Azam University,Islamabad 44000,Pakistan

出　　处：《Chinese Chemical Letters》2020年第5期1109-1113,共5页中国化学快报（英文版）

基　　金：financial support by the Natural Science Foundation of Shanghai City(No.18ZR1416400);the National Natural Science Foundation of China(No.21305086);Science and Technology Development Fund of Shanghai Municipal Public Security Bureau(No.2018003)。

摘　　要：The exploitation of multifunctional nanocomposites is highly desired in environmental monitoring,biosensors,and medical diagnosis.In this paper,a simple approach has been proposed to fabricate MoS2 decorated N-doped carbon nanotubes(NCNTs@MoS2)hybrid composites as efficient peroxidase-like mimics.The combination of the MoS2 and N-doped carbon nanotubes(NCNTs)brings about an enhanced synergistic effect,leading to remarkably decent intrinsic peroxidase-mimic activities than that of the single components.Due to the high catalytic efficiency of the resultant NCNTs@MoS2 hybrid nanotubes as peroxidase-like mimics,a co nvenient colorimetric approach for the sensitive determination of H2 O2 and ascorbic acid have been developed with a detection limit of about 0.14μmol/L and 0.12μmol/L,respectively.The work offers a new strategy for the fabrication of peroxidase-like nanomaterials with excellent catalytic activity,which indicates great promising applications in sensitive detections in real samples.

关 键 词：MoS2 N-doped carbon nanotubes Peroxidase-1 ike Colorimetric detection Ascorbic acid 

分 类 号：O657.3[理学—分析化学]