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- W4311656975 abstract "Excessive reactive oxygen species (ROS) can damage cells and affect normal cell functions, which are related to various diseases. Selenium nanoparticles are a potential selenium supplement for their good biocompatibility and antioxidant activity. However, their poor stability has become an obstacle for further applications. In this study, mesoporous silica nanoparticles (MSNs) were prepared as a carrier of selenium nanoparticles. Pluronic F68 (PF68) was used for the surface modification of the compounds to prevent the leakage of the selenium nanoparticles. The prepared MSN@Se@PF68 nanoparticles were characterized by transmission electron microscopy, energy-dispersive X-ray spectroscopy, dynamic light scattering, X-ray photoelectron spectroscopy, confocal micro-Raman spectroscopy, and Fourier transform infrared spectroscopy. The MSN@Se@PF68 nanoparticles showed excellent antioxidant activity in HeLa tumor cells and zebrafish larvae. The cytotoxicity of MSN@Se@PF68 nanoparticles was concentration- and time-dependent in HeLa tumor cells. The MSN@Se@PF68 nanoparticles showed a negligible cytotoxicity of ≤2 μg/mL at 48 h. At a concentration of 50 μg/mL, the cell viability of the HeLa tumor cells decreased to about 50%. The results indicated that the MSN@Se@PF68 nanoparticles could be a potential antitumor agent. The embryonic development of zebrafish cocultured with the MSN@Se@PF68 nanoparticles showed that there was no lethal or obvious teratogenic toxicity. The results implied that the MSN@Se@PF68 nanoparticles could be a safe selenium supplement and have the potential for antioxidant and antitumor activity." @default.
- W4311656975 created "2022-12-27" @default.
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- W4311656975 date "2022-12-01" @default.
- W4311656975 modified "2023-10-16" @default.
- W4311656975 title "Construction of Selenium Nanoparticle-Loaded Mesoporous Silica Nanoparticles with Potential Antioxidant and Antitumor Activities as a Selenium Supplement" @default.
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- W4311656975 doi "https://doi.org/10.1021/acsomega.2c04975" @default.
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