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An ultrasensitive method, capillary electrophoresis (CE) with laser-induced fluorescence (LIF) detection, has been established for analysis of oligoguluronates. The oligoguluronates were derivatized with 9-aminopyrene-1,4,6-trisulfonic acid (APTS) by reductive amination at 60°C for 3.5 h. The effect on the separation of buffer pH and buffer concentration were examined. The APTS-oligoguluronates were...
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