相关实验视频
Updated: Jan 8, 2026

05:44
Formation of Dispersible Taohong Siwu Tablets
Published on: February 3, 2023
2.0K
使用超临界抗溶剂技术制造贝卡林固体分散剂:优化,表征和评估
Mingming Wang1, Zan Sun2, Jian Hu1
1School of Pharmaceutical Engineering, Jiangsu Food & Pharmaceutical Science College, Huai, P.R. China.
Pharmaceutical development and technology
|December 17, 2025
概括
研究人员改善了baicalinalinalin的性能.
科学领域:
- 药理学 药理学是指药理学的学科.
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 贝卡林是来自Scutellaria baicalensis的强效黄类糖化物,由于溶解性和生物利用性差,它面临临临床限制.
- 增强baicalin的物理化学特性对于其治疗应用至关重要.
研究的目的:
- 使用超临界抗溶剂 (SAS) 工艺制备贝卡林的无形固体分散物.
- 优化SAS过程,以提高贝卡林溶解和生物可用性.
- 为了评估准备的卡林固体分散的抗菌性质.
主要方法:
- 超临界抗溶剂 (SAS) 工艺采用基于盒式设计 (BBD) 的优化参数 (温度,压力,二氧化碳流速).
- 使用扫描电子显微镜 (SEM),富里埃变换红外光谱 (FTIR),差分扫描热度计 (DSC) 和X射线衍射 (XRD) 进行无形固体分散的表征.
- 在实验室溶解试验和在小鼠体内药理动力学研究.
主要成果:
- 在SAS过程中成功地产生了无形贝卡林固体分散物 (BASD).
- 与原始贝卡林相比,BASD在pH值6.8的可溶性增加了9.4倍,生物可用性增加了1.8倍.
- 根据BASD的研究结果,它对细菌细菌和大肠杆菌有显著的抑制作用.
结论:
- 优化BBD的SAS工艺是有效的准备无形贝卡林固体分散,提高溶解度和生物可用性.
- 增强的贝卡林配方显示出改善治疗疗效和抗菌应用的潜力.
相关概念视频
Bioavailability Enhancement: Drug Solubility Enhancement
197
Body:Bioavailability is a critical factor in determining a drug's effectiveness. It refers to the proportion of a drug that enters the circulation when introduced into the body and is, as a result, able to have an active effect. Enhancing bioavailability is essential for drugs with poor solubility, as it can significantly impact their therapeutic efficacy. Various methods are employed to increase the solubility of drugs, thereby enhancing their bioavailability.Micronization and nanonization are...
197
Factors Influencing Drug Absorption: Pharmaceutical Parameters
377
Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
377
Bioavailability Enhancement: Drug Stability Enhancement and GI Retention
183
Body:Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
183
Bioavailability Enhancement: Determination and Conceptual Approaches in Overcoming Bioavailability Problems
152
Body:Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug...
152
Supercritical Fluid Chromatography
825
Supercritical fluid chromatography (SFC) provides a beneficial substitute for gas chromatography (GC) and liquid chromatography (LC) for certain samples because it merges the top attributes of both techniques. SFC allows the separation and analysis of compounds that GC or LC does not easily manage. These compounds are traditionally nonvolatile or thermally unstable, making GC unsuitable and lacking functional groups required for HPLC analysis.
SFC utilizes a supercritical fluid mobile phase,...
SFC utilizes a supercritical fluid mobile phase,...
825

