Abstract
Summary
The peptides of urine containing uronic acids of burned and normal subjects were investigated by quantitative estimation of the uronic acid, hexosamine and hexose content of the nondialyzable urinary components. The daily excretions of nondialyzable uronic acid, hexosamine, and hexose were all increased after burn injury. The mucopolysaccharides of urine were further investigated by partial isolation with (NH4)2SO4 followed by cellulose acetate electrophoresis. Material with the mobility and staining characteristics of hyaluronic acid, chondroitin sulfate A or C, and chondroitin sulfate B were found in urine from both normal and burned persons. Only the chondroitin sulfate B fraction was consistently elevated after burn injury. There are indications that some of this fraction is incompletely sulfated.
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