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首页> 外文期刊>Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems >Amino acid-modified spray-dried powders with enhanced aerosolisation properties for pulmonary drug delivery
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Amino acid-modified spray-dried powders with enhanced aerosolisation properties for pulmonary drug delivery

机译:氨基酸改性的喷雾干燥粉末,具有增强的雾化特性,可用于肺部药物输送

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摘要

In this study,the amino acids arginine,aspartic acid,leucine,phenylalanine and threonine were investigated as'dispersibility enhancers'in spray-dried powders for inhalation.Parameters such as spray-dried yield,tapped density,and Carr's Index were not predictive of aerosolisation performance.In addition,whilst the majority of amino acid-modified powders displayed suitable particle size distribution for pulmonary administration and potentially favourable low moisture content,in vitro particle deposition was only enhanced for the leucine-modified powder.In summary,leucine can be used to enhance the dispersibility and aerosolisation properties of spray-dried powders for pulmonary drug delivery.
机译:本研究以氨基酸精氨酸,天冬氨酸,亮氨酸,苯丙氨酸和苏氨酸作为喷雾干燥粉剂中的“分散性增强剂”进行了研究。另外,虽然大多数氨基酸修饰的粉末显示出适合肺部给药的合适粒度分布,并且潜在的有利的低水分含量,但仅亮氨酸修饰的粉末在体外的颗粒沉积得到了增强。用于增强喷雾干燥粉末在肺部药物输送中的分散性和雾化性能。

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