Visible-Light-Activated Bactericidal Functions of Carbon "Quantum" Dots.
Visible-Light-Activated Bactericidal Functions of Carbon "Quantum" Dots.
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碳“量子”点的可见光激活杀菌功能。
DOI：
10.1021/acsami.6b01765
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发表时间：
2016-05-04
影响因子：
9.5
通讯作者：
Sun, Ya-Ping
中科院分区：
文献类型：
--
作者：
Meziani, Mohammed J.;Dong, Xiuli;Zhu, Lu;Jones, Les P.;LeCroy, Gregory E.;Yang, Fan;Wang, Shengyuan;Wang, Ping;Zhao, Yiping;Yang, Liju;Tripp, Ralph A.;Sun, Ya-Ping
碳点，通常被定义为具有各种表面钝化方案的小碳纳米颗粒，已经成为一类新的类量子点纳米材料，其光学性质和光催化功能与传统纳米级半导体中的典型材料相似。在这项工作中，碳点对其光致杀菌功能进行了评估，结果表明，碳点在可见光照明下具有很高的杀菌效果。事实上，这种抑制效应甚至可以简单地在环境室内照明条件下观察到。讨论了结果的机械意义，以及进一步发展碳点的机会，使其成为一类新的有效的可见光/自然光负责杀菌剂，用于各种细菌控制应用。
Carbon dots, generally defined as small carbon nanoparticles with various surface passivation schemes, have emerged as a new class of quantum-dot-like nanomaterials, with their optical properties and photocatalytic functions resembling those typically found in conventional nanoscale semiconductors. In this work, carbon dots were evaluated for their photoinduced bactericidal functions, with the results suggesting that the dots were highly effective in bacteria-killing with visible-light illumination. In fact, the inhibition effect could be observed even simply under ambient room lighting conditions. Mechanistic implications of the results are discussed and so are opportunities in the further development of carbon dots into a new class of effective visible/natural light-responsible bactericidal agents for a variety of bacteria control applications.
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