Photoactivatable carbon nanodots for cancer therapy

被引:42
作者
Juzenas, Petras [1 ]
Kleinauskas, Andrius [1 ]
Luo, Pengju George [2 ,3 ]
Sun, Ya-Ping [2 ,3 ]
机构
[1] Oslo Univ Hosp, Norwegian Radium Hosp, Inst Canc Res, Dept Radiat Biol, N-0310 Oslo, Norway
[2] Clemson Univ, Dept Chem, Clemson, SC 29634 USA
[3] Clemson Univ, Lab Emerging Mat & Technol, Clemson, SC 29634 USA
基金
美国国家科学基金会;
关键词
HETEROGENEOUS PHOTOCATALYTIC OXIDATION; AQUEOUS-SOLUTIONS; QUANTUM DOTS; TIO2; CELL; SURVIVAL; OXYGEN; PHOTOSENSITIZERS; NANOPARTICLES; CYTOTOXICITY;
D O I
10.1063/1.4817787
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this study, we describe a photocatalytic system based on spherical fluorescent carbon-core nanoparticles (nanodots) that can be activated with ultraviolet radiation. The carbon nanodots with a poly(propionylethylenimine-co-ethylenimine) coating were investigated in human prostate adenocarcinoma (Du145 and PC3) cell cultures in vitro. The cells become more sensitive to ultraviolet radiation when preincubated with the nanodots. The inverse slope of the cell survival curves is about 20-30% lower for the carbon nanodots and radiation compared to that for the radiation alone. Such photoactivatable carbon nanodots can be suggested for use in photocatalytic and photodynamic applications. (C) 2013 AIP Publishing LLC.
引用
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页数:4
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