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Ordered mesoporous silica material SBA-15: loading of new calcium channel blocker - lacidipine

机译:订购中孔二氧化硅材料SBA-15:装载新的钙通道阻滞剂-拉地平

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摘要

Mesoporous material SBA-15 of hexagonal structure was synthesised and its usefulness as a carrier for a poorly soluble drug - lacidipine (LA) - was tested. The source of silica was tetraethyl orthosilicate (TEOS) and the structure ordering agent was non-ionic surfactant Pluronic P123. SBA-15 with encapsulated LA was characterised by X-ray diffraction (XRD), infrared spectroscopy (FTIR), thermogravimetry (TG), differential scanning calorimetry (DSC) and transmission electron microscopy (TEM). Adsorption of the therapeutically active substance was performed in anhydrous environment (chloroform). The content of the therapeutic substance in SBA-15 estimated from TG measurements reached 9%. The properties of the compound obtained were compared with those of a physical mixture of the components.
机译:合成了具有六边形结构的中孔材料SBA-15,并测试了其作为难溶性药物lacidipine(LA)的载体的用途。二氧化硅的来源是原硅酸四乙酯(TEOS),结构排序剂是非离子表面活性剂Pluronic P123。具有X射线衍射(XRD),红外光谱(FTIR),热重分析(TG),差示扫描量热法(DSC)和透射电子显微镜(TEM)对具有包封的LA的SBA-15进行了表征。在无水环境(氯仿)中吸附治疗活性物质。通过TG测量估计的SBA-15中治疗物质的含量达到9%。将获得的化合物的性质与组分的物理混合物的性质进行比较。

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