Predicting bioavailability and accumulation of organochlorine pesticides by Japanese medaka in the presence of humic acid and natural organic matter using passive sampling membranes
文献类型：期刊论文
| 作者 | Ke, Runhui ; Luo, Jianping ; Sun, Liwei ; Wang, Zijian ; Spear, Philip A. |
| 刊名 | ENVIRONMENTAL SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2007-10-01 |
| 卷号 | 41期号:19页码:6698-6703 |
| 英文摘要 | Adsorption to dissolved organic matter (DOM) may significantly decrease the freely dissolved concentration of many hydrophobic organic compounds and, hence, result in reduced bioavailability to aquatic organisms. Here, the suitability of using triolein-embedded cellulose acetate membrane (TECAM) as a biomimetic surrogate to assess the bioavailability of organochlorine pesticides (OCPs) in water in the presence of DOM was explored. The accumulation of OCPs was measured in TECAM and pelagic Japanese medaka (Oryzias latipes) in the laboratory after 12 h exposure to water containing different levels of Aldrich humic acid. Further, OCP uptake by TECAM and medaka in real aqueous environments was evaluated after 30 d exposures in two sites. Laboratory results showed that OCP uptake by medaka consistently decreased with increasing levels of humic acid in the range of 0-15 mg C/L in sample solutions. This tendency was closely mimicked by OCP accumulation in TECAM under the same conditions. Field results showed that TECAM accumulated similar OCP patterns as medaka (r(2) = 0.92 for site 1 and r(2)=0.94 for site 2), although comparison of the in-field eight OCP concentrations in TECAM to those in medaka yielded approximately a factor of 3 (on a wet weight basis). These results suggest that the TECAM method can be used as a simple and useful tool to predict the bioavailability and bioaccumulation potential of poorly biotransformed organic compounds in pelagic fish in aqueous environment. |
| WOS记录号 | WOS:000249840600015 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/22581]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Ke, Runhui,Luo, Jianping,Sun, Liwei,et al. Predicting bioavailability and accumulation of organochlorine pesticides by Japanese medaka in the presence of humic acid and natural organic matter using passive sampling membranes[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2007,41(19):6698-6703. |
| APA | Ke, Runhui,Luo, Jianping,Sun, Liwei,Wang, Zijian,&Spear, Philip A..(2007).Predicting bioavailability and accumulation of organochlorine pesticides by Japanese medaka in the presence of humic acid and natural organic matter using passive sampling membranes.ENVIRONMENTAL SCIENCE & TECHNOLOGY,41(19),6698-6703. |
| MLA | Ke, Runhui,et al."Predicting bioavailability and accumulation of organochlorine pesticides by Japanese medaka in the presence of humic acid and natural organic matter using passive sampling membranes".ENVIRONMENTAL SCIENCE & TECHNOLOGY 41.19(2007):6698-6703. |
入库方式： OAI收割
来源：生态环境研究中心
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。