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Chinese Journal of Laboratory Medicine ; (12)2003.
Article in Chinese | WPRIM | ID: wpr-585082

ABSTRACT

Objective To obtain conversion formulae of cyclosporine test results between TDX and AXSYM system and evaluate the influence of different sample diluents in over-range samples on AXSYM system.Methods One hundred samples with different concentration were analyzed by TDX and AXSYM system, respectively. The results were compared. Fifty over-range samples were diluted with prepared diluents such as whole blood, phosphate buffer, self-prepared diluents and zero point calibrator and then analyzed on AXSYM system.Results There was a significant difference in the results between TDX and AXSYM system. Reasonable formulae were concluded based on different concentration ranges. Results obtained by using whole blood and phosphate buffer as diluents differed from that got by using zero point calibrator. In contrast, there was no significant difference between self-prepared diluents and zero point calibrator.Conclusion The conversion formulae are helpful to evaluate the variation of the results while the analysis system was changed. Self-prepared diluents could be used to replace zero point calibrator as sample diluents.

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