Defect-Rich Adhesive Molybdenum Disulfide/rGO Vertical Heterostructures with Enhanced Nanozyme Activity for Smart Bacterial Killing Application

Defect-Rich Adhesive Molybdenum Disulfide/rGO Vertical Heterostructures with Enhanced Nanozyme Activity for Smart Bacterial Killing Application

© 2020 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 48 vom: 15. Dez., Seite e2005423
1. Verfasser: Wang, Longwei (VerfasserIn)
Weitere Verfasser: Gao, Fene, Wang, Aizhu, Chen, Xuanyu, Li, Hao, Zhang, Xiao, Zheng, Hong, Ji, Rui, Li, Bo, Yu, Xin, Liu, Jing, Gu, Zhanjun, Chen, Fulin, Chen, Chunying
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article MoS2/rGO vertical heterostructures bacterial capture defect-rich materials microwave-assisted synthesis nanozyme antibacterial therapies Anti-Bacterial Agents Disulfides graphene oxide Graphite mehr... 7782-42-5 Molybdenum 81AH48963U molybdenum disulfide ZC8B4P503V
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520 |a Nanomaterials with intrinsic enzyme-like activities, namely "nanozymes," are showing increasing potential as a new type of broad-spectrum antibiotics. However, their feasibility is still far from satisfactory, due to their low catalytic activity, poor bacterial capturing capacity, and complicated material design. Herein, a facile synthesis of a defect-rich adhesive molybdenum disulfide (MoS2 )/rGO vertical heterostructure (VHS) through a one-step microwave-assisted hydrothermal method is reported. This simple, convenient but effective method for rapid material synthesis enables extremely uniform and well-dispersed MoS2 /rGO VHS with abundant S and Mo vacancies and rough surface, for a performance approaching the requirements of practical application. It is demonstrated experimentally and theoretically that the as-prepared MoS2 /rGO VHS possesses defect and irradiation dual-enhanced triple enzyme-like activities (oxidase, peroxidase, and catalase) for promoting free-radical generation, owing to much more active edge sites exposure. Meanwhile, the VHS-achieved rough surface exhibits excellent capacity for bacterial capture, with elevated reactive oxygen species (ROS) destruction through local topological interactions. As a result, optimized efficacy against drug-resistant Gram-negative and Gram-positive bacteria can be explored by such defect-rich adhesive nanozymes, demonstrating a simple but powerful way to engineered nanozymes for alternative antibiotics 
650 4 |a Journal Article 
650 4 |a MoS2/rGO vertical heterostructures 
650 4 |a bacterial capture 
650 4 |a defect-rich materials 
650 4 |a microwave-assisted synthesis 
650 4 |a nanozyme antibacterial therapies 
650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Disulfides  |2 NLM 
650 7 |a graphene oxide  |2 NLM 
650 7 |a Graphite  |2 NLM 
650 7 |a 7782-42-5  |2 NLM 
650 7 |a Molybdenum  |2 NLM 
650 7 |a 81AH48963U  |2 NLM 
650 7 |a molybdenum disulfide  |2 NLM 
650 7 |a ZC8B4P503V  |2 NLM 
700 1 |a Gao, Fene  |e verfasserin  |4 aut 
700 1 |a Wang, Aizhu  |e verfasserin  |4 aut 
700 1 |a Chen, Xuanyu  |e verfasserin  |4 aut 
700 1 |a Li, Hao  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiao  |e verfasserin  |4 aut 
700 1 |a Zheng, Hong  |e verfasserin  |4 aut 
700 1 |a Ji, Rui  |e verfasserin  |4 aut 
700 1 |a Li, Bo  |e verfasserin  |4 aut 
700 1 |a Yu, Xin  |e verfasserin  |4 aut 
700 1 |a Liu, Jing  |e verfasserin  |4 aut 
700 1 |a Gu, Zhanjun  |e verfasserin  |4 aut 
700 1 |a Chen, Fulin  |e verfasserin  |4 aut 
700 1 |a Chen, Chunying  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 32(2020), 48 vom: 15. Dez., Seite e2005423  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:32  |g year:2020  |g number:48  |g day:15  |g month:12  |g pages:e2005423 
856 4 0 |u http://dx.doi.org/10.1002/adma.202005423  |3 Volltext 
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