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Evaluation of four commercial biuret reagent kits of serum total protein by the American Association for Clinical Chemistry reference measurement procedure
He, Meilin; Zhang, Jie
关键词biuret reaction method evaluation reference measurement procedure serum total protein
刊名CLINICAL CHEMISTRY AND LABORATORY MEDICINE
2011-06-01
DOI10.1515/CCLM.2011.153
49期:6页:989-992
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medical Laboratory Technology
研究领域[WOS]Medical Laboratory Technology
英文摘要

Background: In China, the traceability of clinical chemistry methods is still immature. Therefore, it is necessary to establish a reference measurement procedure and evaluate commercial reagent kits using such established procedures.

Methods: We reproduced the reference measurement procedure for serum total protein, as recommended by the American Association for Clinical Chemistry (AACC). We evaluated the performance by Clinical Laboratory Standard Institute (CLSI) guidelines EP15-A and EP6-A. Subsequently, four commercial reagent kits were evaluated by the reproduced reference procedure following CLSI guideline EP9-A2.

Results: The performance of the reproduced reference procedure was as follows: CVs ranged from 0.47% to 0.85% at medical decision levels (X-c) of 45 g/L, 60 g/L and 80 g/L. Linearity was Y = 1.0022X-0.2121 (r = 0.9999), and recovery ranged from 100.2% to 102.4%. The External Quality Assessment Scheme for Reference Laboratories in Laboratory Medicine (RELA) was applied, and the result was within the limit of equivalence. The linear relationships of four commercial reagent kits, Merit Choice, KHB, Leadman, and Olympus, were, respectively: Y = 0.9922X + 0.5776 (r = 0.9961); Y = 0.9936X + 0.4316 (r = 0.9992); Y = 0.9949X + 0.9129 (r = 0.9987) and Y = 0.9923X + 0.8876 (r = 0.9989). KHB showed slight negative bias, and the mean +/- SD was -0.03 +/- 0.60 g/L. Merit Choice, Leadman, and Olympus all showed positive bias, and the mean +/- SDs were 0.02 +/- 0.63 g/L, 0.55 +/- 0.77 g/L and 0.34 +/- 0.71 g/L, respectively.

Conclusions: The correlation and bias of four commercial reagent kits for serum total protein were found to be acceptable. Thus, these reagent kits can be used reliably in China.

语种英语
WOS记录号WOS:000291429500008
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/59009
专题北京大学第三临床医学院
作者单位Peking Univ, Hosp 3, Dept Lab Med, Beijing 100191, Peoples R China
推荐引用方式
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He, Meilin,Zhang, Jie. Evaluation of four commercial biuret reagent kits of serum total protein by the American Association for Clinical Chemistry reference measurement procedure[J]. CLINICAL CHEMISTRY AND LABORATORY MEDICINE,2011,49(6):989-992.
APA He, Meilin,&Zhang, Jie.(2011).Evaluation of four commercial biuret reagent kits of serum total protein by the American Association for Clinical Chemistry reference measurement procedure.CLINICAL CHEMISTRY AND LABORATORY MEDICINE,49(6),989-992.
MLA He, Meilin,et al."Evaluation of four commercial biuret reagent kits of serum total protein by the American Association for Clinical Chemistry reference measurement procedure".CLINICAL CHEMISTRY AND LABORATORY MEDICINE 49.6(2011):989-992.
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