نتایج جستجو برای: Extracellular polymeric substance

تعداد نتایج: 349426  

Journal: :E3S web of conferences 2023

Extracellular polymeric substance (EPS) play an important role in the transport and transformation of pollutants. At present, some scholars have conducted basic experimental characterization EPS, but molecular lev-el interactions among various components EPS still need to be fully characterized. Here, we use dynamics (MD) simulation explore structural properties systems atomic detail. The proce...

Journal: :Journal of Polymers and The Environment 2022

Extracellular polymeric substances (EPSs) can be defined as renewable, high molecular weight materials produced by bacteria and microorganisms. EPSs are composed of primarily polysaccharides, proteins with minor amounts nucleic acids, lipids, humic substances. Cyanobacterial have a significant physiological effect on bloom formation stress tolerance in adverse conditions. Therefore, cyanobacter...

2014
Hyunmin Koo Travis Ptacek Michael Crowley Ashit K Swain John D Osborne Asim K Bej Dale T Andersen

Hymenobacter sp. IS2118, isolated from a freshwater lake in Schirmacher Oasis, Antarctica, produces extracellular polymeric substance (EPS) and manifests tolerance to cold, UV radiation (UVR), and oxidative stress. We report the 5.26-Mb draft genome of strain IS2118, which will help us to understand its adaptation and survival mechanisms in Antarctic extreme ecosystems.

2015
Ashwin Kannan Pennathur Gautam

Biofilms are bacterial cells in a matrix of extracellular polymeric substance. The formation of biofilm depends on the microenvironment. In this study, the effect of temperature on Pseudomonas aeruginosa biofilm formation was evaluated with respect to three parameters-the mass of biofilm formed, the production of extracellular polysaccharide and the adhesion force. The results indicate that bio...

2009
SA Amy S. Gong Carl H. Bolster Magda Benavides Sharon L. Walker

Extracellular polymeric substances (EPS) production and composition for Salmonella pullorum SA 1685 exposed to artificial groundwater (AGW) has been examined utilizing three EPS extraction methods: lyophilization, ethanol, and sonication. Experiments were carried out to evaluate the robustness of three EPS extraction methods and the sensitivity of each to subtle changes in solution ionic streng...

2009
C R Kokare S Chakraborty K R Mahadik

Biofilm is an assemblage of the microbial cells that is irreversibly associated with a surface and usually enclosed in a matrix of polysaccharide material. Biofilm is composed primarily of microbial cells and extracellular polymeric substance (EPS). Extracellular polymeric matrix plays various roles in structure and function of different biofilm communities. Adhesion to the surface provides con...

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