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Issue 98, 2015
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ROS generation by reduced graphene oxide (rGO) induced by visible light showing antibacterial activity: comparison with graphene oxide (GO)

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Abstract

Reduced graphene oxide (rGO) generates reactive oxygen species (ROS) under visible light in air via a singlet oxygen–superoxide anion radical pathway which readily kills Enterobacter sp. The rGO+ intermediate reacts with a hydroxyl ion to produce graphene oxide (GO) as a coating on the surface of rGO resulting in enhanced fluorescence and a slow down in photo-induced ROS formation. GO is not toxic but on ageing it gets a surface coating of rGO and shows toxicity.

Graphical abstract: ROS generation by reduced graphene oxide (rGO) induced by visible light showing antibacterial activity: comparison with graphene oxide (GO)

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Publication details

The article was received on 16 Jul 2015, accepted on 10 Sep 2015 and first published on 10 Sep 2015


Article type: Communication
DOI: 10.1039/C5RA14061G
Author version available: Download Author version (PDF)
Citation: RSC Adv., 2015,5, 80192-80195
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    ROS generation by reduced graphene oxide (rGO) induced by visible light showing antibacterial activity: comparison with graphene oxide (GO)

    T. Dutta, R. Sarkar, B. Pakhira, S. Ghosh, R. Sarkar, A. Barui and S. Sarkar, RSC Adv., 2015, 5, 80192
    DOI: 10.1039/C5RA14061G

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