揭示了基于非目标查的废水中心血管药物的转化过程
Gang Wu1, Yufei Wu2, Zongya Shan3
1State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023 Jiangsu, China.
Water research
|March 9, 2025
概括
心血管药物及其转化产品 (TP) 在废水中很常见. 这项研究确定了新的TP和途径,揭示了TP在废水处理中的特定转化模式和潜在风险.
科学领域:
- 环境化学环境化学
- 环境科学 环境科学
- 制药科学 制药科学
背景情况:
- 心血管药物经常在废水中被检测到.
- 关于它们的转化产品 (TP) 和降解途径的知识是有限的.
- 了解这些过程对于有效的废水处理至关重要.
研究的目的:
- 为了研究五种心血管药物的转化在有氧活性污泥中.
- 识别和描述它们的转化产品 (TP).
- 阐明所涉及的转化途径和特定模式.
主要方法:
- 非目标选与批量实验相结合.
- 对五种心血管药物的分析 (阿提诺洛尔,美托普罗洛尔,普罗兰诺洛尔,贝扎菲布拉特,坎德沙坦).
- 有氧活性污泥处理模拟.
主要成果:
- 清除速率常数有所变化,阿提诺洛和贝扎菲布拉特的清除率高于99%.
- 确定了33个TP,其中16个是新的,揭示了各种转化反应.
- 在各个化合物中观察到N-脱化和乙化等特定模式.
- 预测的TP显示与原始药物相比,持久性,生物积累和毒性增加.
结论:
- 这项研究阐明了废水中心血管药物的命运和转化途径.
- 确定了特定的转换模式,为有针对性的删除策略提供了洞察力.
- 转化产品可能比母化合物带来更高的环境风险,需要进一步评估风险.
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