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Dissolution kinetics, an essential aspect of oral drug delivery, is significantly influenced by the drug's particle size. According to the Noyes-Whitney dissolution model, the dissolution rate correlates directly with the drug's surface area. The larger the surface area, the higher the drug's solubility in water, leading to a faster drug dissolution rate. Reducing particle size increases the effective surface area, enhancing the dissolution process. Micronization and nanosizing are...
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制药纳米晶体的发展:一个全面的审查

Apexa M Shah1

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|August 31, 2025
PubMed
概括
此摘要是机器生成的。

难以溶解的化合物从颗粒大小的减少中受益. 纳米化将微小化的颗粒转化为纳米颗粒,提高药物的生物可用性和治疗效果,以更好地向疾病.

关键词:
生物可用性从下而上纳米晶体可溶性较差从上到下

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科学领域:

  • 制药科学
  • 药物输送系统
  • 材料科学

背景情况:

  • 可溶性较差的化合物对配方构成重大挑战,影响生物可用性和治疗结果.
  • 大颗粒大小阻碍了药物在体内的有效向和输送.
  • 提高溶解度和生物可用性对于提高许多活性药物成分的疗效至关重要.

研究的目的:

  • 探索颗粒大小减小对难溶性化合物的疗效的影响.
  • 研究纳米化作为提高药物的生物可用性的策略.
  • 审查用于增强药物输送的纳米晶体的方法.

主要方法:

  • 使用微化和纳米化技术来减少颗粒大小.
  • 降水,磨和高压均质化被用于纳米晶体的形成.
  • 对颗粒大小减少对溶解度和生物可用性的评价.

主要成果:

  • 颗粒大小的减少,特别是纳米化,显著提高了难以溶解的化合物的生物可用性.
  • 纳米晶体 (颗粒<1000nm) 显示出有效的疾病向潜力.
  • 纳米晶体的口服提供了安全和合规的输送途径.

结论:

  • 纳米化是克服药物配方可溶性限制的关键过程.
  • 将颗粒大小降低到纳米尺度是提高疗效的关键.
  • 纳米晶体技术为改善药物输送和患者的治疗结果提供了一个有前途的方法.