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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209633
|2 doi
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|a pubmed24n1320.xml
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|a (DE-627)NLM352327138
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|a (NLM)36722360
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|a DE-627
|b ger
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|a eng
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|a Ding, Shichao
|e verfasserin
|4 aut
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|a Effect of Phosphorus Modulation in Iron Single-Atom Catalysts for Peroxidase Mimicking
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.03.2024
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|a Date Revised 08.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Fe-N-C single-atom catalysts (SACs) exhibit excellent peroxidase (POD)-like catalytic activity, owing to their well-defined isolated iron active sites on the carbon substrate, which effectively mimic the structure of natural peroxidase's active center. To further meet the requirements of diverse biosensing applications, SAC POD-like activity still needs to be continuously enhanced. Herein, a phosphorus (P) heteroatom is introduced to boost the POD-like activity of Fe-N-C SACs. A 1D carbon nanowire (FeNCP/NW) catalyst with enriched Fe-N4 active sites is designed and synthesized, and P atoms are doped in the carbon matrix to affect the Fe center through long-range interaction. The experimental results show that the P-doping process can boost the POD-like activity more than the non-P-doped one, with excellent selectivity and stability. The mechanism analysis results show that the introduction of P into SAC can greatly enhance POD-like activity initially, but its effect becomes insignificant with increasing amount of P. As a proof of concept, FeNCP/NW is employed in an enzyme cascade platform for highly sensitive colorimetric detection of the neurotransmitter acetylcholine
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|a Journal Article
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|a Fe-N-C
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|a biosensing
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|a heteroatoms
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|a nanozymes
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|a peroxidase mimicking
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|a single-atom catalysts
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|a Peroxidase
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|a EC 1.11.1.7
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|a Peroxidases
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|a EC 1.11.1.-
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|a Carbon
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|a 7440-44-0
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|a Coloring Agents
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|a Iron
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|a E1UOL152H7
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|a Phosphorus
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|a 27YLU75U4W
|2 NLM
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|a Barr, Jordan Alysia
|e verfasserin
|4 aut
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|a Lyu, Zhaoyuan
|e verfasserin
|4 aut
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|a Zhang, Fangyu
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|4 aut
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|a Wang, Maoyu
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|a Tieu, Peter
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|a Li, Xin
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|4 aut
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|a Engelhard, Mark H
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|4 aut
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|a Feng, Zhenxing
|e verfasserin
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|a Beckman, Scott P
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|4 aut
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|a Pan, Xiaoqing
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|a Li, Jin-Cheng
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|a Du, Dan
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|a Lin, Yuehe
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 10 vom: 20. März, Seite e2209633
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:10
|g day:20
|g month:03
|g pages:e2209633
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|u http://dx.doi.org/10.1002/adma.202209633
|3 Volltext
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