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Mechanochemical Synthesis of Nanocomposites of Drugs with Inorganic Oxides

机译:无机氧化物药物纳米复合物的机械化学合成

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摘要

The nanocomposites of piroxicam and indomethacin with fine porous inorganic oxides, alumina, silica, and magnesia, were obtained by high energy ball milling. Except for the piroxicam-alumina system, the composites revealed higher dissolution rate and solubility of the drugs as compared to the initial ones. The changes in the IR spectra suggested the interaction of the components during ball milling. It was assumed that the formation of new bonds at the contacts of particles in the composite resulted in stabilization of drugs in a metastable state inhibiting their transition into the initial crystalline form.
机译:通过高能球磨获得了吡罗昔康和吲哚美辛与多孔无机氧化物,氧化铝,二氧化硅和氧化镁的纳米复合材料。除了吡罗昔康-氧化铝体系外,与最初的复合物相比,该复合物显示出更高的药物溶解速度和溶解度。红外光谱的变化表明了球磨过程中各组分之间的相互作用。假定在复合材料中的颗粒接触处形成新的键会导致药物稳定在亚稳态,从而抑制了它们转变为初始晶体形式。

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