抗生素在典型的亚热带潮河流中的动态分布特征和生态风险
1Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China.
潮河中的抗生素污染是一个越来越令人担忧的问题. 这项研究发现,雨季抗生素水平和生态风险较高,诺基诺构成最大的威胁,尽管人类健康风险是可以忽略不计的.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 水质监测 水质监测
背景情况:
- 经常在环境中检测到抗生素,引发了对生态风险和抗菌素耐药性的担忧.
- 抗生素在水生生态系统中的持续存在对生态系统和人类健康构成潜在威胁.
- 潮河是复杂的环境,抗生素的命运和运输需要彻底调查.
研究的目的:
- 在东江河的潮通道中调查抗生素的发生和度.
- 评估季节性变化 (潮湿与干燥) 和潮对抗生素污染的影响.
- 评估与检测到的抗生素水平相关的生态和人类健康风险.
主要方法:
- 在潮湿和干旱季节以及整个潮周期中收集的水样.
- 使用高频连续动态监测分析了抗生素度.
- 进行了生态风险评估,并评估了抗菌素耐药性的可能性.
主要成果:
- 总抗生素度在11.46~940.53 ng/L (雨季) 和15.08~322.31 ng/L (干季) 之间.
- 诺基诺,特别是西普洛素占主导地位;在雨季,度明显更高.
- 抗生素水平受到潮周期的影响 (潮时较低,洪水时较高) 和空间分布 (上游/下游较高).
结论:
- 研究的潮通道中的抗生素污染是显著的,在雨季有更高的风险.
- 诺基诺具有最高的生态毒理风险,需要优先考虑的风险管理策略.
- 虽然某些诺基诺的抗微生物耐药性潜力显著,但人类健康风险被发现是可以忽略不计的.
更多相关视频
05:46Identification of Pharmaceuticals in The Aquatic Environment Using HPLC-ESI-Q-TOF-MS and Elimination of Erythromycin Through Photo-Induced Degradation
Published on: August 1, 2018
08:58Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
Published on: March 3, 2023
相关概念视频
Development of Antibiotic Resistance
Antibiotic Selection
Factors Affecting Drug Distribution: Miscellaneous Factors
Age plays a significant role due to differences in body composition among different age groups. Infants, for instance, have a higher proportion of total body water and lower albumin levels, a protein that binds drugs in the bloodstream. This unique composition in infants enhances the...
Antimicrobial Effectiveness
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents
Gene Regulation in Microbial Communities: Quorum Sensing
