开发一种诱导合等离子体原子辐射方法,用于在暴露后确定动物组织中的含量及其在各种组织中的分布
Novica Bojanić1, Jelena Mrmošanin2, Aleksandra Pavlović2
1Faculty of Medicine, Research Center for Biomedicine, University of Niš, Nis, Serbia.
Chemistry & biodiversity
|April 9, 2025
概括
这项研究开发了一种测量大鼠组织中 (Al) 的方法. 维拉帕米尔对长期暴露有保护作用,减少了在肝脏和丸中的积累.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 分析化学 分析化学
背景情况:
- 由于 (Al) 的潜在毒性,对 (Al) 的暴露越来越令人担忧.
- 了解器官中的Al积累对于评估健康风险至关重要.
- 维拉帕米尔在减轻Al毒性的潜在作用需要进行研究.
研究的目的:
- 开发和验证一种感应合的等离子体原子发射光谱法 (ICP-AES) 方法,用于确定大鼠组织中的Al.
- 在长期暴露后,研究大鼠肝脏,脏和丸中Al的分布和积累.
- 评估维拉帕米尔对Al诱导积累的潜在保护作用.
主要方法:
- 开发一种ICP-AES方法,用于血强度的Mg II/Mg I比率.
- 对分析方法的敏感性,准确性,精度和线性进行验证.
- 对暴露于AlCl38周的老鼠肝脏,脏和丸中的Al含量进行分析.
- 评估 Al 在组织中的积累,有或没有同时服用维拉帕米尔.
- 应用基于Al含量的样本分化的多变量方法.
主要成果:
- 开发的ICP-AES方法显示了高线性 (R2=0.99998) 和灵敏度 (LOD=0.067μg/g,LOQ=0.225μg/g).
- 积的顺序是:肝脏 > 脏 > 丸.
- 与单独暴露于AlCl3相比,维拉帕米尔治疗显著降低了肝脏和丸组织中的Al积累.
- 从增样本中恢复的比率在91.8%到108.4%之间,这表明该方法的可靠性.
结论:
- 经过验证的ICP-AES方法适合在生物组织中量化Al.
- 慢性Al暴露导致老鼠器官的差异积累,肝脏是主要的部位.
- 维拉帕米尔对长期暴露具有保护作用,这表明其在减轻Al毒性的治疗潜力.
关键词:
分析化学 污染物 多变量统计学相关概念视频
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