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Development of nanostructured lipid carriers for controlled delivery of mefenamic acid

机译:纳米结构脂质载体用于控制甲芬那酸的开发

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摘要

This study was aimed to develop nanostructured lipid carriers (NLC) for the possible delivery of mefenamic acid. This study describes the effect of liquid lipid concentration on the characteristics of NLC such as particle size, polydispersity index, zeta potential, drug entrapment efficiency, and occlusivity index. Transmission electron microscopy revealed nearly spherical shape NLC with negligible effect of liquid lipid content on the particle morphology. The differential scanning calorimetry demonstrated a depression in the melting point and crystallinity index of the NLC with an increase in the amount of liquid lipid. The in vitro drug release studies demonstrated that solid lipid nanoparticle (0% oil), and NLC possessed a biphasic release pattern characterised by a rapid initial release followed by a sustained release, in comparison to nanoemulsions (100% oil) of which a nearly constant release was observed. Compared to NE and SLN, the excellent physical stability of NLC against drug leakage was seen.
机译:这项研究旨在开发纳米结构的脂质载体(NLC),用于可能的甲芬那酸的递送。这项研究描述了液体脂质浓度对NLC特性的影响,例如粒径,多分散指数,ζ电位,药物截留效率和吸留度指数。透射电子显微镜显示几乎为球形的NLC,液体脂质含量对颗粒形态的影响可忽略不计。差示扫描量热法显示随着液体脂质量的增加,NLC的熔点和结晶度指数降低。体外药物释放研究表明,与几乎恒定的纳米乳剂(100%油)相比,固体脂质纳米颗粒(0%油)和NLC具有双相释放模式,其特征在于快速初始释放然后持续释放。观察到释放。与NE和SLN相比,NLC具有出色的抗药物渗漏的物理稳定性。

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