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Xhibit different properties from their cell-associated counterparts leading to discrepant analysis Xhibit different properties from their cell-associated counterparts leading to discrepant analysis (Maira-Litr et al., 2002). In either case, once the polymer has been obtained from the cell Fasiglifam supplier surface or supernatant, contaminants such as DNA, RNA and protein must be removed. This can be achieved through enzymatic digestion or chemical precipitation of contaminants, or precipitation of EPS. Contaminating carbohydrates can be removed by chromatographic techniques such as size exclusion or ion exchange (Bales et al., 2013). In some cases, purification of EPS leads to insufficient yields for subsequent compositional or structural analysis, often as a result of polymer insolubility. As a result, h.