Abstract
The drug loading capability and inherent cytotoxicity of mesoporous silica particles are two prime considerations for targeted drug delivery applications. In current study, uncoated mesoporous silica (UMS) carrier particles were synthesized by sol-gel emulsion approach. The morphology and structure of UMS was thoroughly characterized using atomic force microscope (AFM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Brunauer–Emmett–Teller (BET). The scanning electron microscopy (SEM) and dynamic light scattering (DLS) measurements reveal that mono dispersed silica particles have an average size of 250 nm with narrow size distribution. The pore size was measured as 47nm. Concentration dependent biocompatibility of UMS was evaluated using MTT assay with Hep-2c cancer cell line and cell viability of ~65% at concentrations of 7.5 nM was observed. Finally, the drug loading capability of UMS carrier was studied using ibuprofen as a model drug.
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