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Synthesis of EDTA-assisted CeVO4 nanorods as robust peroxidase mimics towards colorimetric detection of H2O2
Ju, Peng1,2; Yu, Yanzhen3; Wang, Min1,4; Zhao, Yun1; Zhang, Dun5; Sun, Chengjun3,6; Han, Xiuxun1,2
2016
发表期刊JOURNAL OF MATERIALS CHEMISTRY B
卷号4期号:38页码:6316-6325
文章类型Article
摘要In this paper, CeVO4 materials were developed as highly efficient biomimetic catalysts for the first time to detect H2O2. These CeVO4 materials were prepared by a facile hydrothermal method with the assistance of EDTA, exhibiting different morphologies, surface properties, and distinct peroxidase mimetic activities. Among them, CeVO4-2 nanorods (NRs) were proved to display the best intrinsic peroxidase-like property compared to other CeVO4 samples due to their more negative potential and larger BET specific surface area, which could efficiently catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of H2O2 to generate a blue oxide. Based on the excellent peroxidase mimetic catalytic activity of CeVO4-2 NRs, a simple, convenient and visual H2O2 detection system was successfully established. The detection limit of H2O2 could reach as low as 0.07 mu M. Moreover, the CeVO4-2 NR-based assay system presented an excellent selectivity, practicability, long-term stability, and reusability. The peroxidase-like catalytic mechanism of CeVO4-2 NRs was proposed on the basis of active species trapping experiments. This work provides a novel, convenient, rapid, and ultrasensitive system for the colorimetric detection of H2O2, which has a bright prospect in H2O2 detection and biomedical analysis.
DOI10.1039/c6tb01881e
收录类别SCI
语种英语
WOS记录号WOS:000385378900004
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136164
专题海洋腐蚀与防护研究发展中心
作者单位1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, 18 Tianshui Middle Rd, Lanzhou 730000, Peoples R China
2.Qingdao Ctr Resource Chem & New Mat, 36 Jinshui Rd, Qingdao 266100, Peoples R China
3.State Ocean Adm, Inst Oceanog 1, Marine Ecol Ctr, 6 Xianxialing Rd, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
6.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Drugs & Bioprod, Qingdao 266071, Peoples R China
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Ju, Peng,Yu, Yanzhen,Wang, Min,et al. Synthesis of EDTA-assisted CeVO4 nanorods as robust peroxidase mimics towards colorimetric detection of H2O2[J]. JOURNAL OF MATERIALS CHEMISTRY B,2016,4(38):6316-6325.
APA Ju, Peng.,Yu, Yanzhen.,Wang, Min.,Zhao, Yun.,Zhang, Dun.,...&Han, Xiuxun.(2016).Synthesis of EDTA-assisted CeVO4 nanorods as robust peroxidase mimics towards colorimetric detection of H2O2.JOURNAL OF MATERIALS CHEMISTRY B,4(38),6316-6325.
MLA Ju, Peng,et al."Synthesis of EDTA-assisted CeVO4 nanorods as robust peroxidase mimics towards colorimetric detection of H2O2".JOURNAL OF MATERIALS CHEMISTRY B 4.38(2016):6316-6325.
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