摘要
采用固相萃取、液相色谱/串联质谱法调查了9种典型抗生素类药物在珠江三角洲重要水体(珠江、维多利亚港、深圳河与深圳湾)中的污染特征。结果显示,珠江广州河段(枯季)和深圳河抗生素药物污染严重,最高含量达1340ng·L-1,河水中大部分抗生素含量明显高于美国、欧洲等发达国家河流中药物含量,红霉素(脱水)、磺胺甲噁唑等与国外污水中含量水平相当甚至更高。受深圳河污染的影响,深圳湾不同区域水体在一定程度上也受到抗生素药物污染,含量在10～100ng·L-1水平。维多利亚港水体中,只有较低含量的喹诺酮和大环内酯类抗生素有检出。深圳湾和维多利亚港周边水产养殖废水的排放成为水体中抗生素污染的重要来源之一。
The Characteristics of 9 selected antibiotics in the aquatic environment of Pearl River Delta （PRD） were investigated using high-performance liquid chromatography-clectrospray ionization tandem mass spectrometry with multiple reactions monitoring （MRM）. The results showed that the Pearl River （low water season） and Shcnzhen River were polluted heavily by antibiotics. The concentrations of most antibiotics in the two rivers are higher than other rivers in America and other developed countries. In particular, the concentrations of some antibiotics are higher than that in the waste water in developed countries. Erythromycin-H2O and sulfamethoxazole were the two highest frequency antibiotics with the maximum concentration at 1 340 ng·L^-1. As a result, the Deep Bay also was polluted by antibiotics with concentrations ranged from 10 to 100 ng·L^-1 levels. The concentrations of antibiotics were mainly below the limit of quantification （LOQ） in the ambient marine water of Victoria Harbour. It is worthy to note that the aquaculture around the Deep Bay and Victoria Harbour can introduce extra antibiotics to the seawater.
出处
《生态环境》
CSCD
北大核心
2007年第2期384-388,共5页
Ecology and Environmnet
基金
国家自然科学基金项目(40672212)
广东省自然科学重点基金项目(04101183)
关键词
抗生素
珠江三角洲
水环境
antibiotics, PRD, aquatic environment
