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在体外对负荷相反的多尼佩西尔载入的鼻内脂质体进行了比较研究.

Elika Valehi1, Gábor Katona1, Dorina Gabriella Dobó1

  • 1Faculty of Pharmacy, University of Szeged, Institute of Pharmaceutical Technology and Regulatory Affairs, Eötvös Str. 6, H-6720 Szeged, Hungary.

Pharmaceutics
|October 29, 2025
PubMed
概括

这项研究探讨了使用带电脂质体为鼻内药物输送到中枢神经系统 (CNS) 的方法. 负电荷的脂质体提高了药物的透性,而正电荷的脂质体提高了粘膜粘合,这两者都有助于鼻腔吸收.

科学领域:

  • 纳米技术纳米技术
  • 药理学 药理学是指药理学的学科.
  • 药物运输 药物运输 药物运输

背景情况:

  • 鼻内输送为中枢神经系统 (CNS) 的向提供了一条直接途径.
  • 鼻粘膜透性差,限制了许多药物的有效性.
  • 脂质体作为纳米载体可以增强鼻腔药物吸收,表面电荷对吸收至关重要.

研究的目的:

  • 为了配制和比较反电荷的脂质体,用于鼻内输送多尼尼西尔化物 (DPZ).
  • 评估负电荷二甲基酸盐 (DCP) 和正电荷二甲基胺 (SA) 对脂质体特性和鼻腔适用性的影响.

主要方法:

  • 脂质体是用酸丁胆 (PC) 和胆固醇 (CH) 制备的,其摩尔比为7:2.
  • 在不同的摩尔比率 (0.5:2) 中研究了DCP和SA的影响.
  • 研究的关键参数包括体性质,药物释放,体外鼻透性和粘合性.

主要成果:

  • 脂质体囊泡的大小随着DCP度的增加而减少,随着SA度的增加而增加.
  • 药物释放率较小的囊泡大小更快.
  • DCP和SA都提高了药物封装效率 (60-80%).
  • 在实验室中,DCP增强了鼻透性,而SA则表现出优越的粘粘性.
关键词:
二甲基酸二甲基酸脂质体组是什么? 脂质体组是什么?通过鼻子进行注射.斯泰利胺是什么意思

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结论:

  • DCP和SA都是有效的电荷诱导剂,可以增强脂质体载体的鼻吸收.
  • 对DCP的最佳配方需要更高的度 (PC:CH:DCP 7:2:2).
  • 对于SA的最佳配方需要较低的度 (PC:CH:SA 7:2:0.5).