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Yolk-shell nanostructured Fe3O4@C magnetic nanoparticles with enhanced peroxidase-like activity for label-free colorimetric detection of H2O2 and glucose
Lu, N; Zhang, M; Ding, L; Zheng, J; Zeng, CX; Wen, YL; Liu, G; Aldalbahi, A; Shi, JY; Song, SP; Zuo, XL; Wang, LH
2017
Source PublicationNANOSCALE
ISSN2040-3364
Volume9Issue:13Pages:4508-4515
Subtype期刊论文
AbstractHerein, we have developed a simple and facile method to synthesize yolk-shell nanostructured Fe3O4@C nanoparticles (NPs) as a multifunctional biosensing platform for the label-free colorimetric detection of H2O2 and glucose. It was demonstrated that Fe3O4@C yolk-shell nanostructures (YSNs) retained the magnetic properties that can be used for separation and concentration. Also importantly, the Fe3O4@C YSNs exhibited an intrinsic peroxidase-like activity that could quickly catalyze the enzyme substrate in the presence of H2O2 and produce a blue color. Compared to other similar ferric oxide-based NPs with different structures, Fe3O4@C YSNs exhibited greatly enhanced catalytic activities due to their unique structural features. Moreover, steady-state kinetics indicated the catalytic behaviors in agreement with the classic Michaelis-Menten models. Taking advantage of the high catalytic activity, Fe3O4@C YSNs were employed as novel peroxidase mimetics for label-free, rapid, sensitive, and specific colorimetric sensing of H2O2 and glucose, suggesting that Fe3O4@C YSNs have the potential for construction of portable sensors in the application of point-of-care (POC) diagnosis and on-site tests.
DOI10.1039/c7nr00819h
Indexed BySCI
Language英语
WOS IDWOS:000397968400017
Citation statistics
Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27499
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Lu, N,Zhang, M,Ding, L,et al. Yolk-shell nanostructured Fe3O4@C magnetic nanoparticles with enhanced peroxidase-like activity for label-free colorimetric detection of H2O2 and glucose[J]. NANOSCALE,2017,9(13):4508-4515.
APA Lu, N.,Zhang, M.,Ding, L.,Zheng, J.,Zeng, CX.,...&Wang, LH.(2017).Yolk-shell nanostructured Fe3O4@C magnetic nanoparticles with enhanced peroxidase-like activity for label-free colorimetric detection of H2O2 and glucose.NANOSCALE,9(13),4508-4515.
MLA Lu, N,et al."Yolk-shell nanostructured Fe3O4@C magnetic nanoparticles with enhanced peroxidase-like activity for label-free colorimetric detection of H2O2 and glucose".NANOSCALE 9.13(2017):4508-4515.
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