原子层涂层对固体肌球蛋白配方稳定性的影响
Caio H N Barros1, Manuel Alfaro1, Cormac Costello1
1National Institution for Bioprocessing Research and Training (NIBRT), Dublin A94 X099, Ireland.
Molecular pharmaceutics
|July 19, 2023
概括
原子层 (ALC) 涂层显著提高了固体蛋白质配方的储存稳定性. 这些先进的涂层可以保护肌球蛋白等蛋白质,改善恢复并减少储存期间的降解.
科学领域:
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
- 制药科学 制药科学
背景情况:
- 固体蛋白质配方在储存期间容易降解.
- 原子层 (ALC) 涂层是一种用于材料表面修饰的新技术.
- 肌球蛋白作为一种模型蛋白质,用于评估稳定策略.
研究的目的:
- 研究ALC涂层对固体蛋白质粉末物理性质和储存稳定性的影响.
- 为了评估氧化和氧化ALC涂层的有效性.
- 为了比较ALC涂层蛋白质与未涂层对照蛋白质的性能.
主要方法:
- 用冷化或喷雾干燥方法制备了肌红蛋白-曼尼托尔粉末.
- 样品经过氧化或氧化ALC涂层.
- 在控制条件下储存3个月前和之后分析物理性质 (水分,溶解时间,结构,结晶性,聚合性).
主要成果:
- 与未涂层样本相比,ALC涂层提高了可溶性原生肌球蛋白的回收率高达两倍.
- 涂层样本显示储存后蛋白质聚合减少和单体损失.
- 蛋白质回收受配方,涂层类型和干燥方法的影响;水分含量与单体损失相关.
结论:
- 在储存期间,ALC涂层为稳定固体蛋白质配方提供了一个有希望的策略.
- 这项技术比传统的未涂层蛋白质粉具有显著的优势.
- 进一步的研究可以优化ALC涂层参数,以提高蛋白质药物产品的稳定性.
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