石墨氮化碳
光动力疗法
生物相容性
材料科学
单线态氧
量子点
活力测定
纳米技术
流式细胞术
微波食品加热
生物物理学
细胞
氧气
化学
光催化
分子生物学
生物
生物化学
物理
催化作用
有机化学
冶金
量子力学
作者
Xiao Chu,Kang Li,Hongyu Guo,Hongru Zheng,Suzanne Shuda,Xiaolan Wang,Junying Zhang,Wei Chen,Yu Zhang
出处
期刊:ACS Biomaterials Science & Engineering
[American Chemical Society]
日期:2017-06-15
卷期号:3 (8): 1836-1844
被引量:78
标识
DOI:10.1021/acsbiomaterials.7b00110
摘要
Here, we report our new observations on graphitic-phase carbon nitride (g-C3N4) quantum dots (QDs) as agents for microwave induced photodynamic therapy (MIPDT). For the first time, we observed that singlet oxygen is produced in g-C3N4 QDs by microwave irradiation, which can be used for tumor destruction. The results of live/dead staining and flow cytometry show that g-C3N4 QDs based MIPDT can effectively kill cancer cells and promote tumor cell death. In addition, the cell viability and hemolysis tests in vitro indicate that g-C3N4 QDs have very low cell toxicity and possess excellent biocompatibility in the physiological environments. All these indicate that g-C3N4 QDs are promising for MIPDT, a new potential modality for cancer treatment.
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