使用微藻 Chlorella sp 探索硫法迪亚诱导的压力对抗生素去除和转化途径的影响
Yanfang Ma1, Shupeng Lin1, Ting Guo2
1College of Engineering, China Agricultural University, Beijing, 100083, PR China.
Environmental research
|May 26, 2024
概括
增加微藻生物质可以增强废水处理中的抗生素硫法迪亚 (SDZ) 的去除. 较高的藻类度减轻了SDZ的风险.
科学领域:
- 环境微生物学环境微生物学
- 水生物质毒理学研究
- 生物修复是一种生物修复.
背景情况:
- 抗生素残留物,如硫黄 (SDZ) 是废水中的持久污染物.
- 在微藻系统中,SDZ的去除机制和转化途径尚不清楚.
研究的目的:
- 调查初始微藻度和SDZ压力的对Chlorella sp.的影响. 增长. 增长. 增长. 这就是增长.
- 为了确定 SDZ 移除效率和培养过程中的转化途径.
- 阐明藻类生物量,应激反应和SDZ退化之间的关系.
主要方法:
- 种植Chlorella sp. 的方法 在不同的初始生物质度和SDZ暴露下.
- 分析微藻生长,代谢变化 (颜料,脂质,糖,蛋白质) 和酶活性 (SOD).
- 量化SDZ的去除速度和降解产品和降解途径的识别.
主要成果:
- SDZ抑制了微藻的生长;较高的初始生物质 (0.25 g L-1) 改善了SDZ的去除 (53.27%-89.07%).
- 增加的藻类生物量与更高的SOD活性相关,增强SDZ的抵抗性和去除性.
- SDZ压力改变了Chlorella sp. 的作用. 生物降解 (37.82%) 和光降解 (23%) 是关键的去除机制. SDZ降解产品的毒性较低,但藻类仍然容易受到影响.
结论:
- 优化微藻生物质对于在废水处理中有效地去除SDZ至关重要.
- 微藻代谢调整和酶活性在抗生素降解中起着重要作用.
- 为了有效的废水生物修复,平衡生物质积累与抗生素毒性风险至关重要.
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