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相关概念视频

Drug Product Stability01:16

Drug Product Stability

The long-term stability of drug products is critical to ensuring their quality, safety, and effectiveness over time. Stability directly influences a product's ability to maintain its intended characteristics, ensuring it performs as expected during its intended shelf life. Key attributes such as drug potency, impurities, dissolution, and other physicochemical measures of performance are tested to assess stability. These parameters indicate how well the product retains its quality over time and...

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Preparation and Characterization of Nanoliposomes for the Entrapment of Bioactive Hydrophilic Globular Proteins
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粒子计量方法了解存储条件如何影响长期脂质体稳定性.

Sean E Lehman1, Kurt D Benkstein1, Thomas E Cleveland2,3

  • 1Bioprocess Measurements Group, Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.

Langmuir : the ACS journal of surfaces and colloids
|August 21, 2023
PubMed
概括
此摘要是机器生成的。

脂质纳米颗粒的稳定性对于药物输送至关重要. 这项研究发现,脂质组成显著影响脂质体的保质期,超过温度或缓冲条件.

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科学领域:

  • 生物医学工程 生物医学工程
  • 材料科学 材料科学 材料科学
  • 制药科学 制药科学

背景情况:

  • 脂质纳米颗粒 (LNP) 是用于医疗药物输送的多功能纳米材料.
  • 脂质体是一种LNP,用于治疗,携带遗传材料或药品.
  • 了解LNP的长期稳定性对于预测保质期和储存条件至关重要.

研究的目的:

  • 研究影响脂质体长期稳定性的因素.
  • 为了确定脂质组成,缓冲条件 (pH/组成) 和储存温度对脂质体稳定性的影响.
  • 为NIST基于脂质体的参考材料的开发提供信息.

主要方法:

  • 在水溶液中的脂质体的一年稳定性研究 (不冷).
  • 随着时间的推移,评估粒子大小和数量度.
  • 分析稳定性作为不同脂质组成,缓冲参数和储存温度的函数.

主要成果:

  • 脂质组成被确定为影响脂质体稳定性的最关键因素.
  • 储存温度和缓冲器pH/成分对稳定性的影响较小,但仍然显著.
  • 粒子大小和数量度变化是稳定性的关键指标.

结论:

  • 脂质组成对于确保脂质体稳定性和有效的保质期至关重要.
  • 根据这些发现,可以更好地定义最佳配方和储存要求.
  • 这项研究有助于了解生物制药中的软颗粒的长期储存挑战.