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CHARACTERIZATION OF CONFORMATIONAL CHANGES OF EXTRACELLULAR POLYMERIC SUBSTANCES (EPS) IN BULK SOLUTION AT ACID AND BASE pH USING FLORESCENCE MEASUREMENTS TECHNIQUE

Year: 2017

Type: article

Abstract: The conformational changes of extracellular polymeric substances (EPS) extracted from Pseudomonas putida ATCC 11172 at different pH values in solution where studied using fluorescence spectroscopy. The EPS was labeled using 8-aminopyrene-1,3,6-trisulfonic acid, tri sodium salt (APTS). The interactions between APTS and EPS surface in dilute aqueous solution were monitored using fluorescence spectroscopy. Steady state, excited state and time-resolved anisotropy measurements (TRAMS) were used to provide information about the changes in conformational behavior of the APTS as they bind to EPS surfaces.

Source: Journal of applied physical science international

Authors: K. Elayatt, Abubaker, Fateh Belkasem, El, Imragaa, Abdelqader, Edbey, Khaled

Institutions: Sirte University, University of Benghazi

Language: English

Topic: Polysaccharides Composition and Applications

Subfield: Food Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

Open Access status: diamond

OpenAlex ID: W3038044282

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