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Fluorophore-assisted carbohydrate electrophoresis of GXM from strain B-3501 under different hydrolysis conditions at 95°C. Lane 1, 0.3 M TFA for 5 h; lane 2, 0.1 M TFA for 1 h; lane 3, 0.5 M TFA for 1 h; lane 4, 0.5 M TFA for 5 h; lane 5, no TFA for 5 h. The dark band at the lower edge of the figure is unreacted fluorophore. *, visible oligosaccharide bands in lane 1, 3, and 4.
