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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203734
|2 doi
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|a pubmed24n1140.xml
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|a (DE-627)NLM342029517
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|a (NLM)35681250
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Hua, Yue
|e verfasserin
|4 aut
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|a Composition-Dependent Enzyme Mimicking Activity and Radiosensitizing Effect of Bimetallic Clusters to Modulate Tumor Hypoxia for Enhanced Cancer Therapy
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.08.2022
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|a Date Revised 08.08.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Alloying is an efficient chemistry to tailor the properties of metal clusters. As a class of promising radiosensitizers, most previously reported metal clusters exhibit unitary function and cannot overcome radioresistance of hypoxic tumors. Here, atomically precise alloy clusters Pt2 M4 (M = Au, Ag, Cu) are synthesized with bright luminescence and adequate biocompatibility, and their composition-dependent enzyme mimicking activity and radiosensitizing effect is explored. Specifically, only the Pt2 Au4 cluster displays catalase-like activity, while the others do not have clusterzyme properties, and its radiosensitizing effect is the highest among all the alloy clusters tested. By taking advantage of the sustainable production of O2 via the decomposition of endogenous H2 O2 , the Pt2 Au4 cluster modulates tumor hypoxia as well as increases the efficacy of radiotherapy. This work thus advances the cluster alloying strategy to produce multifunctional therapeutic agents for improving hypoxic tumor therapy
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|a Journal Article
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|a alloy clusters
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|a clusterzymes
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|a hypoxia
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|a metal clusters
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|a radiotherapy
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|a Alloys
|2 NLM
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|a Radiation-Sensitizing Agents
|2 NLM
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1 |
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|a Huang, Jia-Hong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shao, Zi-Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Xi-Ming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zhao-Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Jun-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Xueli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xiaoyuan
|e verfasserin
|4 aut
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| 700 |
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|a Zang, Shuang-Quan
|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 34(2022), 31 vom: 01. Aug., Seite e2203734
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:31
|g day:01
|g month:08
|g pages:e2203734
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|u http://dx.doi.org/10.1002/adma.202203734
|3 Volltext
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