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Abstract
Assays of adenosine and its derivatives in biological fluids involve fluorimetric, radioimmunological or chromatographic analyses. Techniques currently used are tedious because they involve either an extraction using immunological methods or one or two freeze drying cycles when using high performance liquid chromatography (HPLC). In this context, we describe a “quick” HPLC method using a diode array detector for the spectral analysis and quantitation of adenosine and its derivatives in less than two hours following sampling. We compared our results to those obtained with an HPLC technique coupled to UV detection.
Although there is a good correlation between the two techniques, the“quick” method provide values that are on average 30% higher than those obtained with the classical method. The absence of a lyophilization step in the classical method could explain this difference. The utilization of an HPLC system coupled to a diode array detector leads to a rapid and reliable assay of adenosine and its derivatives. The possibility of having a rapid assay method available could be very useful in cases of certain cardiovascular or neurological disorders.