Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Extracellular Polymeric Substance (EPS)"”.
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Identification of potential antibiofilm hit compounds from two African natural product database against multi-drug resistant staphylococcus aureus: an in silico study
… formation, a protective mechanism involving extracellular polymeric substance (EPS) matrix that shields microorganisms from the effects of antibiotics, mechanical forces, pH, and host immune responses. While some encouraging results point to the possible use of FDA-approved medications …
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Investigating the Functional Response of a Subsurface Biofilm Community to Xenobiotic Stress
… as perturbing Cd concentrations increased. Extracellular polymeric substance (EPS)-Cd complexation was a possible detoxification mechanism, as biomass concentrations did not decrease with increasing Cd concentration, and increased as Cd concentrations decreased. Results of this study …
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Effects of Extracellular Polymeric Substance Composition on Bacteria Disinfection by Monochloramine
… In this study, the impact of capsular extracellular polymeric substance (EPS) composition on bacteria disinfection by monochloramine was qualitatively determined using both wild-type and isogenic mutant Pseudomonas strains with different EPS secretion capacity and composition. In order …
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Drivers of burrow symbiont distribution in a softsediment system: host abundance or burrow trophic environment?
… symbiont abundances as well as chlorophyll-a and extracellular polymeric substance (EPS) measurements were taken from three sites in Langebaan Lagoon over spring and autumn. Clear signals emerged in contradiction of the hypothesis that burrow symbiont abundances peak in areas associated with high …
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Effects Of Environmental Factors On Anaerobic Granular Sludge In Upflow Anaerobic Sludge Blanket Reactors
… the granule settling rate. The extractable extracellular polymeric substance (EPS), excreted by the anaerobic bacteria, was affected by the environmental factors. The carbohydrate concentration in the extracted EPS was significantly related to the supplements of iron and yeast extract in the …
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Surface Enhanced Raman Spectroscopy for Diagnostics in Ocular Health
… communities of microorganisms encased in an extracellular polymeric substance (EPS) that present significant challenges for clinical diagnostics due to their resistance to antimicrobial treatments and their evasion of traditional detection techniques. By amplifying Raman signals through metal …
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An investigation of biosurfactant-mediated disruption and biological activity in mature biofilms formed on plastic surfaces by LPS mutants of Salmonella enterica serovar Typhimurium
… appears to affect biofilm growth and reduce extracellular polymeric substance (EPS, a biofilm matrix protective barrier) on PP surfaces, which was also demonstrated by FilmTracerTM SYPRO® Ruby Biofilm Matrix staining using fluorescence microscopy. Significant reduction (p ≤0.05) of EPS was …
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The feasibility and microbial community dynamics of using down flow hanging sponges (DHS) reactor in treating high strength soft drink wastewater
… biomass concentration retained in the reactor. Extracellular polymeric substance (EPS) produced by retained biomass could capture ammonia that was not used for microbial growth. Excessive EPS production was speculated as a cause that triggered biomass sloughing, which led to reduction in biomass …
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Studies of aquatic micro-organisms in domestic swimming pools
… submerged surfaces (e.g. the pool lining, the steps and the water recirculation trap) were sampled using swabs and a scalpel blade to scrape the surface. Using these techniques, thirteen different bacteria (e.g. Pseudomonas spp. and Staphylococcus spp.) and one alga (Chlorella vulgaris) were …
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Optimizing high-rate activated sludge: organic substrate for biological nitrogen removal and energy recovery
… m3CH4/kgVS. These results were attributed to low extracellular polymeric substance (EPS) content. However, further research is needed to better quantify EPS and determine the effect of HRAS operating parameters on EPS production. Overall the A/B pilot study was able to capture 47% of the influent …
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Improved Microalgal Biomass Harvesting Using Optimized Environmental Conditions and Bacterial Bioflocculants
… cell suspension including capsular and dissolved extracellular polymeric substance (EPS) components of <em>B. cepacia</em>, and dialyzed filtrate of the bacterial culture (only dissolved EPS fraction). The effects of algal growth phase, mixing time, bioflocculant dose, and environmental conditions …