期刊论文

Zhang, C.-Y.

中文

生态与农村环境学报

1673-4831

2009

25

3

73-78

10.3969/j.issn.1673-4831.2009.03.016

国家自然科学基金(40471118)

本校为第一且通讯机构

利用高效液相色谱法对环丙沙星(CPFX)在微宇宙模拟水生态系统中的归趋,包括CPFX在水体、沉积物、生物体[皇冠草(Echinodorus amazonicus)、河蚬(Corbicula fluminea)、异育银鲫(Carassius auratus gibelio)]等不同分配相及生物体不同组织中的动态变化过程进行了研究.结果表明:在模拟水生态系统中加入500.00 μg·L~(-1) CPFX后,药物部分被水生生物所吸收,部分沉降进入底泥中.在各相中的CPFX残留量随时间不断变化,1 d内水体中药物含量降至15.30 μg·L~(-1),而底泥中药物含量升至385.57 μg·kg~(-1).CPFX不同程度地富集和残留于水生生物体中,皇冠草对CPFX的吸收量大,尤其是叶片部分1 d内含量高达...

Dynamics, e. g. distribution, accumulation and transfer, of ciprofloxacin (CPFX) in water, sediments and biota in a simulated micro-cosmic aquatic system was studied with HPLC. Results show that once CPFX was released into water body, a portion of it was assimilated by aquatic organisms and a portion deposited into the sediments. Concentration of CPFX in water, sediments and biota varied with the time. The concentration of CPFX decreased rapidly in the water, from 500.00 to 15.30 μg · L -1 within one day, but increased in the sediment up to 3...