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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Nano-crystalline cellulose: Preparation, modification and usage as sustained release drug delivery excipient for some non-steroidal anti-inflammatory drugs
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Nano-crystalline cellulose: Preparation, modification and usage as sustained release drug delivery excipient for some non-steroidal anti-inflammatory drugs

机译:纳米结晶纤维素:用于一些非甾体抗炎药的持续释放药物递送赋形剂的制备,改性和使用

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摘要

Nano crystalline cellulose (NCC) has gained attention in the pharmaceutical industry owing to its biodegradable nature and high mechanical properties. In the present work we reported preparation of NCC from cellulose isolated from a bio-waste, its modification and exploration as drug delivery excipient for sustained release of non-steroidal anti-inflammatory drugs (NSAIDs). Cellulose extracted from Citrus limetta albedo was subjected to alkali treatment, bleaching and hydrolysis by sulfuric acid to obtain NCC of particle size ranging from 1 to 10 nm. Further, modification with a cationic surfactant cetyltrimethylammonium bromide (CTAB) resulted in NCC-CTAB with enhanced surface area and high aspect ratio which was investigated as sustained release drug delivery system (DDS) for NSAID. Drug loading capacity correlated well with log P value of NSAID. NSAID-loaded NCC-CTAB acted as sustained release DDS over a period of 3hr. The results were confirmed as serum protein protecting and anti-cathepsins activities. CTAB-NSAID interactions have been assessed using CHEM3D. (C) 2019 Elsevier B.V. All rights reserved.
机译:由于其可生物降解性和高机械性能,纳米结晶纤维素(NCC)在制药行业中受到关注。在本工作中,我们报道了从生物废物中分离的纤维素的NCC,其改性和探索作为药物递送赋形剂,用于持续释放非甾体抗炎药(NSAID)。从柑橘柠檬酸玻璃纤维中提取的纤维素通过硫酸进行碱处理,漂白和水解,得到粒度的NCC,范围为1至10nm。此外,用阳离子表面活性剂的修饰甲酰基三甲基溴化铵(CTAB)导致具有增强的表面积和高纵横比的NCC-CTAB,其被研究为NSAID的缓释药物递送系统(DDS)。药物加载能力与NSAID的Log P值好相关。 NSAID-LOADD的NCC-CTAB在3小时内作用为持续释放DDS。结果被证实为血清蛋白保护和抗组织蛋白酶活动。使用Chem3D评估了CTAB-NSAID相互作用。 (c)2019 Elsevier B.v.保留所有权利。

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