A Maria Ghe

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The suitability of electrochemical detection (ECD) following HPLC separation of guanosine, xanthosine and adenosine nucleotides has been evaluated. Separation of five monophosphates of guanosine was achieved by using a reversed-phase column; di- and triphosphates have also been separated from monophosphates. Adenosine compounds are insensitive to ECD.
An investigation of the optimal conditions for the determination of selected purine and pyrimidine compounds has been made by studying the separation efficiency of reversed-phase columns and ion-exchange columns and comparing the sensitivity of photometric and electrochemical detectors. The combination of ion-exchange HPLC with electrochemical detection(More)
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