期刊
LANGMUIR
卷 33, 期 2, 页码 591-599出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.6b04189
关键词
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资金
- National Natural Science Foundation of China [51572172, 51102166]
- Scientific Development Project of University of Shanghai for Science and Technology [16KJFZ011]
In this study, mesoporous silica nanoparticles (MSNs), have been successfully capped with graphene quantum dots (GQDs) to form multifunctional GQD-MSNs with the potential for synergistic chemo photothermal therapy. The structure, drug-release behavior, photothermal effect, and synergistic therapeutic efficiency of GQD-MSNs to 4T1 breast cancer cells were investigated. The results showed that GQD-MSNs were monodisperse and had a particle size of 50-60 nm. Using doxorubicinlydrochloride (DOX) as a model drug, the DOX-loaded GQP-MSNs (DOX-GQD-MSNs) not only exhibited pH- and, temperature-responsive drug-release behavior, but using near-infrared irradiation, they efficiently generated heat to kill cancer cells. Furthermore, GQD MSNs were biocompatible and were internalized by 4T1 cells. Compared with chemotherapy and photothermal therapy DOX-GQD-MSNs were much more effective in killing.the 4T1 tells owing to a synergistic chemo phototherrnal effect. Therefore, GQD-MSNs may have promising applications in canter therapy.
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