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Spectral studies on the interaction of acidic capsular polysaccharide (SPS), isolated from Klebsiella K28, with cationic dye and surfactants have been reported. The polymer induced strong metachromasy (∼100nm blue shift) in the cyanine dye pinacyanol bromide (PCYB). The SPS consists of d-glucose, d-galactose, d-mannose and d-glucuronic acid (2:1:2:1 molar ratio) in hexasaccharide repeating units....
Comparative studies on various physico-chemical properties of bacterial capsular polysaccharides from different serotypes of Klebsiella have been investigated. A correlation of the primary structures with the solution properties of different polymers has been established based on spectrophotometric, spectrofluorometric and viscometric measurements. Absorption studies on four experimental biopolymers...
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