Using ion-pair reversed-phase HPLC (IPrHPLC), the PRPP synthetase activity inhuman erythrocytes was estimated. Methodological improvements have been taken on seeral aspects, including the removal of leukocytes and pla...Using ion-pair reversed-phase HPLC (IPrHPLC), the PRPP synthetase activity inhuman erythrocytes was estimated. Methodological improvements have been taken on seeral aspects, including the removal of leukocytes and platelets in preparation of hemolysates, lysis of erythrocyte membranes and raising of efficiency in separation of ADP from ATP peaks etc. Thismethod fulfills the requirements of simplicity, reproducibility and accuracy. The intrabatch coefficient of variation was ±3. 0 % on average, the mean relative deviation was 2. 3 %, with a recoveryrate of 94.3—98.6%. The mean value of PRPP sythetase activities in the erythrocytes of 28healthy Chinese was 2. 19 ± 0. 61 μmol·min－1·g－1.展开更多
文摘Using ion-pair reversed-phase HPLC (IPrHPLC), the PRPP synthetase activity inhuman erythrocytes was estimated. Methodological improvements have been taken on seeral aspects, including the removal of leukocytes and platelets in preparation of hemolysates, lysis of erythrocyte membranes and raising of efficiency in separation of ADP from ATP peaks etc. Thismethod fulfills the requirements of simplicity, reproducibility and accuracy. The intrabatch coefficient of variation was ±3. 0 % on average, the mean relative deviation was 2. 3 %, with a recoveryrate of 94.3—98.6%. The mean value of PRPP sythetase activities in the erythrocytes of 28healthy Chinese was 2. 19 ± 0. 61 μmol·min－1·g－1.
