arrow
返回

Bacteria-driven bio-electroactive sterilization

delete2025-08-01
delete0
delete
OA
AI
M
Mingming Qin
Q
Qiuping Qian
X
Xiaoqing Gao
T
Tianxi Shen
J
Jia Feng
M
Min Wu
K
Kelong Fan
周
周云龙 (Yunlong Zhou)
DOI:10.1039/D5SC04234Hdelete
delete原文链接
delete原文求助
delete分享
delete收藏
摘要

摘要

En 中文
开发响应性抗菌材料对于解决抗生素滥用问题至关重要。虽然许多材料能响应pH、光和酶等间接外部刺激,但细菌自身代谢仍是一种未被充分利用的精确灭菌激活机制。在此,我们提出了一种自维持生物反应器,由细菌-还原氧化石墨烯-铜生物杂化材料(BrGO–Cu)组成,其中活细菌通过代谢重定向激活氧化石墨烯-铜离子(GO–Cu)以实现自我终止。细菌胞外电子转移(BEET)级联还原氧化石墨烯,促进Cu²⁺向Cu⁺的转化,并最终通过•OH生成杀灭细菌。同时,BrGO–Cu生物反应器可有效阻止生物膜形成,且细胞毒性可忽略不计。值得注意的是,该细菌响应型生物反应器在重新捕获活细菌后展现出持久的杀菌活性,经过多达129代传代培养仍无细菌耐药性。我们的工作开创了一种BEET重定向策略,通过精确控制的反馈回路实现病原体特异性、长效的抗菌保护。
Keyword:
bacterial self-metabolism
graphene oxide-copper biohybrids
extracellular electron transfer
antibacterial materials
biofilm prevention

期刊

Chemical Science 封面图
Chemical Science
IF:
7.4
论文数:
1.7W
被引数:
9.3W

机构

暂无机构信息
引用论文

引用论文

A tailored slow-release film with synergistic antibacterial and antioxidant activities for ultra-persistent preservation of perishable products
err2024-01-01
err27
PREAI
errZhang, Liang; Wang, Wenze; He, Wen; Du, Ting; Wang, Shaochi; Hu, Puyuan; Pan, Bing; Jin, Jingjing; Liu, Lizhi; Wang, Jianlong
err分享
err收藏
H2O2 Photosynthesis from H2O and O2 under Weak Light by Carbon Nitrides with the Piezoelectric Effect具有压电效应的氮化碳在弱光下从H2O和O2进行的H2O2光合作用
err2024-07-16
err8
PREAI
errMa, Jin; Peng, Cheng; Peng, Xiaoxiao; Liang, Sicheng; Zhou, Zhixin; Wu, Kaiqing; Chen, Ran; Liu, Songqin; Shen, Yanfei; Ma, Haibo; Zhang, Yuanjian
err分享
err收藏
2D Materials Kill Bacteria from Within
err2024-05-24
err0
PREAI
errHou, Delong; Zhou, Shuai; Tan, Xueling; Yuan, Dongzhi; Yan, Jun; Zeng, Qi; Chen, Yi
err分享
err收藏
Antibacterial effects of titanium embedded with silver nanoparticles based on electron-transfer-induced reactive oxygen species
err2017-04-01
err245
PREAI
errWang, Guomin; Jin, Weihong; Qasim, Abdul Mateen; Gao, Ang; Peng, Xiang; Li, Wan; Feng, Hongqing; Chu, Paul K.
err分享
err收藏
Molecular assembly of carbon nitride-based composite membranes for photocatalytic sterilization and wound healing基于碳氮化物复合膜的光催化灭菌与伤口愈合的分子组装
err2023-01-01
err0
errOAAI
errXiaoxiao Peng; Jin Ma; Zhixin Zhou; Hong Yang; Jingjing Chen; Ran Chen; Kaiqing Wu; Guangcheng Xi; Songqin Liu; Yanfei Shen; Yuanjian Zhang
err分享
err收藏
Raman Spectrum of Graphene and Graphene Layers石墨烯和石墨烯层的拉曼光谱
err2006-10-30
err0
errOAAI
errA. C. Ferrari; J. C. Meyer; V. Scardaci; C. Casiraghi; M. Lazzeri; F. Mauri; S. Piscanec; D. Jiang; K. S. Novoselov; S. Roth; A. K. Geim
err分享
err收藏
学者 查看更多内容