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| Research on Conversion Factors of the Certified Reference Materials on Different Chemiluminescence Immunity Platforms |
| TANG Yao-xu,YANG Xiao-dong,ZHANG Xuan-pu |
| Chengdu Institute of Metrology Verification and Testing, Chengdu, Sichuan 610056, China |
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Abstract In order to find out the conversion factors between chemiluminescence immunoassay systems of different manufacturers which can be used as reference for indoor quality control and inter-room quality assessment. 19 kinds of national certified reference materials were tested as samples on 181 instruments from 9 manufacturers and the results were analyzed by statistical method. The results demonstrate that tPSA and TSH projects can be compared among different systems with the conversion factors, CEA projects can be compared among a part of different systems with the conversion factors, HCG projects can not be compared among different systems with the conversion factors, HBsAg projects can be compared among different systems with the conversion factors in different concentration ranges respectively, the comparability of AFP projects among different systems needs to be further studied.
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Received: 07 May 2019
Published: 15 July 2021
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2021, Vol. 42 
