相关实验视频
Updated: May 1, 2026

13:13
Biochemical Measurement of Neonatal Hypoxia
Published on: August 24, 2011
14.1K
在生长细胞介质中使用HPLC方法测定蒂莫金
Mirza Dedić1, Elma Omeragić1, Belma Imamović1
1Faculty of Pharmacy, University of Sarajevo, Sarajevo, Bosnia and Herzegovina.
概括
这项研究开发了一种经过验证的高压液态染色学 (HPLC) 方法,用于在细胞培养物中准确量化基 (TQ). 这种可靠的方法增强了临床前药物测试和体内剂量预测.
科学领域:
- 分析化学 分析化学
- 药理学 药理学是指药理学的学科.
- 生物技术是生物技术.
背景情况:
- 临床前药物测试依赖于体外和体内对药理动力学和毒性的评估.
- 药物查方面的挑战,包括疏水性和蛋白质结合,可能导致不一致的结果.
- 在细胞培养物中精确量化药物度对于可靠的体内剂量预测至关重要.
研究的目的:
- 开发和验证一种使用高压液态染色学 (HPLC) 优化分析方法,用于确定单层细胞培养中的基 (TQ) 水平.
- 通过遵守国际协调理事会 (ICH) 准则M10.确保方法的可靠性和适用性.
- 在体外环境中建立一个强大的TQ量化技术.
主要方法:
- 使用二极管阵列探测器 (DAD) 的高压液态色谱 (HPLC) 用于TQ确定.
- 方法验证包括根据ICH M10指南的特异性,灵敏性,矩阵效应,线性,精度和准确性.
- 在RPMI-1640细胞培养基中评估了TQ稳定性.
主要成果:
- 在HPLC-DAD方法证明了优异的特异性TQ,没有干扰的峰值.
- 灵敏度很高,下限量化值 (LLOQ) 为5.68%CV,准确率为98.37%.
- 在2-10μM (r2=0.9993) 上证实了线性,精度和准确性符合接受标准. 这种方法也更环保,减少了危险化学品的使用和浪费.
结论:
- 开发的HPLC-DAD方法是特定的,准确的,敏感的,可靠的,用于量化细胞培养中的TQ.
- 这种方法支持精确的体外评估和可靠的体内剂量预测.
- 建议进一步研究各种环境条件下的TQ稳定性.
更多相关视频
14:12HPLC Measurement of the DNA Oxidation Biomarker, 8-oxo-7,8-dihydro-2’-deoxyguanosine, in Cultured Cells and Animal Tissues
Published on: August 1, 2015
27.2K
10:38Simultaneous Quantification of Selected Kynurenines Analyzed by Liquid Chromatography-Mass Spectrometry in Medium Collected from Cancer Cell Cultures
Published on: May 9, 2020
3.4K
相关概念视频
Microbial Growth Measurement: Direct Methods
2.9K
Direct methods for measuring microbial populations in a culture are essential tools in microbiology, providing quantitative data for various applications. Among these, microscopic counts, plate counts, and serial dilution are widely used techniques, each with unique principles and applications.Microscopic CountsMicroscopic counting involves the use of a Petroff-Hausser chamber, a specialized microscope slide with a grid and defined depth. By observing a liquid culture under a microscope,...
2.9K
Microbial Growth Measurement: Indirect Methods
2.3K
Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
2.3K