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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Sep 2016, 37 (5)                                     Back

nstantaneous and historical temperature effects on a-pinene

Sorption of tetracycline, oxytetracycline and tylosin to

eight surface sediments of Taihu Lake


Liangliang Ji1*, Zhaotun Bai1, Liping Deng1 and Muhammad Aqeel Ashraf2


1Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, College of Environment, Hohai University, Nanjing 210098, China

2Faculty of Science and Natural Resources, University Malaysia Sabah 88400 Kota Kinabalu, Sabah, Malaysia

*Corresponding Author E-mail:


 Publication Data

Paper received:

21 February 2016


Revised received:

27 April 2016


Re-revised received:

5 May 2016



23 June 2016



The objective of the present study is to investigate the mechanism of tetracyclines and macrolieds absorption on Taihu Lake sediments. In the study, batch technique was used to study the adsorptive behavior of three pharmaceutical antibiotics (tetracycline, oxytetracycline and tylosin) from several sediments of Taihu Lake, Zhushan Bay, Western Lakeshore, Lake Center, Southern Lakeshore, East Tai Lake, Eastern Lakeshore, Gonghu Bay and Meiliang Bay. The eight sediments showed extraordinarily high absorption affinity for all the tested antibiotics. However, especially the sediments of East Tai Lake was exceptional.? The observed sorbent to solution distribution coefficient (Kd, l kg-1) was 102-104. The sediment of East Tai Lake showed highest organic carbon content and cation exchange capacity. A remarkably strong sorption of antibiotics to the sediment of East Tai Lake can be attributed to the cation exchange and complexation reactions between the functional groups of antibiotics and the respective charged and polar sites of the sorbents. The sorption affinity of tetracycline and oxytetracycline from the eight sediments was higher than tylosin. Tetracycline and oxytetracycline had multiple polar and ionizable functional groups. In the study within the tested pH, the zwitterion speciation is predominated; therefore, the sorption interaction (cation exchange and surface complexation) between tetracycline and sediments was expected stronger than tylosin.   



 Key words

Sediment, Sorption, Taihu Lake, Tetracycline, Tylosin



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