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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201900401
|2 doi
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|a pubmed24n1473.xml
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|a eng
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|a Tang, Wei
|e verfasserin
|4 aut
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|a Wet/Sono-Chemical Synthesis of Enzymatic Two-Dimensional MnO2 Nanosheets for Synergistic Catalysis-Enhanced Phototheranostics
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|c 2019
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|a Text
|b txt
|2 rdacontent
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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 27.11.2019
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|a Date Revised 17.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a 2D nanomaterials have attracted broad interest in the field of biomedicine owing to their large surface area, high drug-loading capacity, and excellent photothermal conversion. However, few studies report their "enzyme-like" catalytic performance because it is difficult to prepare enzymatic nanosheets with small size and ultrathin thickness by current synthetic protocols. Herein, a novel one-step wet-chemical method is first proposed for protein-directed synthesis of 2D MnO2 nanosheets (M-NSs), in which the size and thickness can be easily adjusted by the protein dosage. Then, a unique sono-chemical approach is introduced for surface functionalization of the M-NSs with high dispersity/stability as well as metal-cation-chelating capacity, which can not only chelate 64 Cu radionuclides for positron emission tomography (PET) imaging, but also capture the potentially released Mn2+ for enhanced biosafety. Interestingly, the resulting M-NS exhibits excellent enzyme-like activity to catalyze the oxidation of glucose, which represents an alternative paradigm of acute glucose oxidase for starving cancer cells and sensitizing them to thermal ablation. Featured with outstanding phototheranostic performance, the well-designed M-NS can achieve effective photoacoustic-imaging-guided synergistic starvation-enhanced photothermal therapy. This study is expected to establish a new enzymatic phototheranostic paradigm based on small-sized and ultrathin M-NSs, which will broaden the application of 2D nanomaterials
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|a Journal Article
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|a nanozymes
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|a phototheranostics
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|a sono-chemical modification
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|a two-dimensional nanosheets
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|a wet-chemical synthesis
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|a Antineoplastic Agents
|2 NLM
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|a Contrast Media
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|a Manganese Compounds
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|a Oxides
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|a Water
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|a 059QF0KO0R
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|a Copper
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|a 789U1901C5
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|a manganese dioxide
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|a TF219GU161
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| 700 |
1 |
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|a Fan, Wenpei
|e verfasserin
|4 aut
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|a Zhang, Weizhong
|e verfasserin
|4 aut
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|a Yang, Zhen
|e verfasserin
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|a Li, Ling
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|a Wang, Zhantong
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|a Chiang, Ya-Ling
|e verfasserin
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|a Liu, Yijing
|e verfasserin
|4 aut
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|a Deng, Liming
|e verfasserin
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|a He, Liangcan
|e verfasserin
|4 aut
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|a Shen, Zheyu
|e verfasserin
|4 aut
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|a Jacobson, Orit
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|4 aut
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|a Aronova, Maria A
|e verfasserin
|4 aut
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|a Jin, Albert
|e verfasserin
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|a Xie, Jin
|e verfasserin
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|a Chen, Xiaoyuan
|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 31(2019), 19 vom: 05. Mai, Seite e1900401
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:19
|g day:05
|g month:05
|g pages:e1900401
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|u http://dx.doi.org/10.1002/adma.201900401
|3 Volltext
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