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Water-Soluble Fullerenol with Hydroxyl Group Dependence for Efficient Two-Photon Excited Photodynamic Inactivation of Infectious Microbes

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Authors: Wen-Shuo Kuo, Jiu-Yao Wang, Chia-Yuan Chang, Jui-Chang Liu, Yu-Ting Shao, Yen-Sung Lin, Edmund Cheung So, Ping-Ching Wu

Year

2020

Paper ID

41486

Status

Peer-reviewed

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~2 min

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Abstract

Abstract We successfully prepared water-soluble fullerenol [C60(OH)46] that exhibited a high singlet oxygen quantum yield and efficiently generated reactive oxygen species. Additionally, the water-soluble C60(OH)46 with a higher composition of exposed hydroxyl groups had superior two-photon stability and characteristics compared with that with a lower composition of such groups. Therefore, the prepared fullerenol can be an effective two-photon photosensitizer. The water-soluble C60(OH)46 had favorable two-photon properties. During two-photon photodynamic therapy, the water-soluble C60(OH)46 had substantial antimicrobial activity against Escherichia coli at an ultralow-energy level of 211.2 nJ pixel−1 with 800 scans and a photoexcited wavelength of 760 nm.

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Abstract We successfully prepared water-soluble fullerenol [C60(OH)46] that exhibited a high singlet oxygen quantum yield and efficiently generated reactive oxygen species.

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References & Citation Signals

[1] DOI https://doi.org/10.1186/s11671-020-03329-6 [2] Publisher http://link.springer.com/article/10.1186/s11671-020-03329-6

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