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相关概念视频

The Bone Matrix01:18

The Bone Matrix

Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in acid or...
Essential Minerals for Bone Health01:31

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...

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德罗伊硫酸盐用于软骨再生,通过使用纳米结构配方局部施用.

Marta E Bustos Araya1, Anna Nardi-Ricart2, Ana C Calpena Capmany2,3

  • 1Instituto de Investigaciones Farmacéuticas, Facultad de Farmacia, Universidad de Costa Rica, San José 11501, Costa Rica.

International journal of molecular sciences
|September 28, 2024
PubMed
概括

这项研究优化了固体脂质纳米颗粒 (SLN) 以改善氏素硫酸盐 (CHON) 输送用于骨关节炎治疗. 增强的SLN配方证明了有效的皮肤透和保留,没有细胞毒性.

关键词:
生物制药学研究的研究.细胞活力的细胞活力.顺德里二硫酸盐 顺德里二硫酸盐设计实验的设计.药物输送是药物输送的过程.骨关节炎是一种关节炎.通过皮肤透.固体脂质纳米粒子 固体脂质纳米粒子

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科学领域:

  • 制药科学 制药科学
  • 纳米技术 纳米技术
  • 生物材料是一种生物材料.

背景情况:

  • 软骨素硫酸盐 (CHON) 对于软骨健康和骨关节炎 (OA) 治疗至关重要,但临床试验结果相互矛盾.
  • 人们对基于纳米技术的局部系统越来越感兴趣,以提高OA治疗的CHON疗效.
  • 固体脂质纳米颗粒 (SLN) 由于其脂质核心结构,为增强药物输送提供了一个有前途的平台.

研究的目的:

  • 优化固体脂质纳米颗粒 (SLN) 配方,以增强氏丁硫酸盐 (CHON) 透.
  • 评估SLN作为载体在骨关节炎 (OA) 治疗中的局部CHON输送的潜力.
  • 评估优化SLN配方用于CHON输送的安全性和有效性.

主要方法:

  • 为了确定最佳的SLN生产参数,采用了3x3x2的实验设计.
  • 传输电子显微镜 (TEM) 用于分析纳米粒子形态和统一性.
  • 进行了细胞活力测定和细胞内化研究,以评估安全性和吸收.
  • 生物制药研究评估了通过SLN传递的CHON的皮肤透和保留.

主要成果:

  • 确定了最佳的SLN配方参数:CHON度为0.4 mg/mL,每分钟转速为20,000,处理时间为10分钟.
  • TEM证实了生产的SLN的球形形态和统一性.
  • 细胞活力测定表明没有显著的细胞毒性,这表明一个安全的形状.
  • 在治疗后1.5小时和24小时观察到细胞内化.
  • 生物制药研究表明,与传统方法相比,皮肤透和CHON保留的增强.

结论:

  • 优化的SLN配方有效地增强了通过皮肤的氏丁硫酸盐 (CHON) 运输.
  • 在骨关节炎 (OA) 管理中,SLNs显示出作为局部CHON传递的安全和有效载体的潜力.
  • 这项研究推进了基于纳米技术的药物配方治疗策略.