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A simple capillary electrophoretic method was developed for the determination of glucosamine using in-capillary derivatisation. Glucosamine in commercial products was extracted with purified water. The CE separation was achieved on an uncoated fused-silica capillary using a 20mM borate buffer (pH 9.2) containing 5mM o-phthalaldehyde (OPA) and 5mM 3-mercaptopropionic acid (MPA) at 25kV, followed by...
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