DDAO Controlled Synthesis of Organo-Modified Silica Nanoparticles with Encapsulated Fluorescent Boron Dipyrrins and Study of Their Uptake by Cancerous Cells

DDAO 控制合成包覆荧光硼二吡咯烷的有机改性二氧化硅纳米粒子及其癌细胞吸收研究

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作者:Aleksandr A Goncharenko, Ilya A Tarasyuk, Yuriy S Marfin, Kirill V Grzhegorzhevskii, Albert R Muslimov, Andrey B Bondarenko, Maxim D Lebedev, Ilya A Kuz'min, Artur S Vashurin, Kirill V Lepik, Alexander S Timin, Evgeniy V Rumyantsev

Abstract

The design of cargo carriers with high biocompatibility, unique morphological characteristics, and capability of strong bonding of fluorescent dye is highly important for the development of a platform for smart imaging and diagnostics. In this paper, BODIPY-doped silica nanoparticles were prepared through a "one-pot" soft-template method using a sol-gel process. Several sol-gel precursors have been used in sol-gel synthesis in the presence of soft-template to obtain the silica-based materials with the most appropriate morphological features for the immobilization of BODIPY molecules. Obtained silica particles have been shown to be non-cytotoxic and can be effectively internalized into the cervical cancer cell line (HeLa). The described method of synthesis allows us to obtain silica-based carriers with an immobilized fluorescent dye that provide the possibility for real-time imaging and detection of these carriers.

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