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Interaction between Enrofloxacin and the Extracellular Polymeric Substances from Platymonas Subcordiformis

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Abstract:

Extracellular polymeric substances (EPS) in marine algae- Platymonas subcordiformis affected by enrofloxacin (ENR), the typical quinolone antibiotics released to the environment through different ways, was studied. A 3-dimension EEM (excitation –emission matrix) fluorescence spectroscopy was used to examine the interaction between EPS and ENR, and the fluorescent peaks A and B were detected, whose fluorescence intensity remarkably decreased with the increased ENR concentration. It was demonstrated that the interaction of EPS with ENR well fitted the modified Stern-Volmer. It was concluded that the presence of EPS in marine algae affected the transport and transform of antibiotics in aquatic environment.

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Periodical:

Advanced Materials Research (Volume 1015)

Pages:

531-535

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1015.531

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Online since:

August 2014

Authors:

Li Yun Ge, Shu Juan Li, Chang Rong Zhao, Huan Huan Deng*

Keywords:

Binding, Enrofloxacin, Extracellular Polymeric Substances, Fluorescence Quenching

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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