評(píng)定固相萃取-HPLC法測定人血清中10-羥基卡馬西平濃度的不確定度
發(fā)布時(shí)間:2018-08-19 15:57
【摘要】:目的評(píng)定固相萃取-高效液相色譜法測定人血清中奧卡西平活性代謝物10-羥基卡馬西平濃度的不確定度。方法對固相萃取-HPLC法測定人血清中10-羥基卡馬西平濃度的實(shí)驗(yàn),全過程進(jìn)行分析,確定并簡化不確定度來源,用方法學(xué)驗(yàn)證數(shù)據(jù)并根據(jù)相關(guān)評(píng)定程序,依次計(jì)算各變量的不確定度、合成不確定度和擴(kuò)展不確定度。結(jié)果人血清中低、中、高3個(gè)濃度(3.18,12.73,50.91μg·m L-1)10-羥基卡馬西平的擴(kuò)展不確定度分別為0.24,0.44,1.66μg·m L-1(k=2,P=95%)。結(jié)論本方法的不確定度主要由標(biāo)準(zhǔn)曲線擬合(尤其是低濃度)、血清藥物提取、血清樣品制備、儀器允差及測定重復(fù)性引入。
[Abstract]:Objective to evaluate the uncertainty of solid phase extraction (SPE)-high performance liquid chromatography (HPLC) for the determination of 10-hydroxycarbamazepine in human serum. Methods solid phase extraction-HPLC method was used to determine the concentration of 10-hydroxycarbamazepine in human serum. The whole process was analyzed to determine and simplify the source of uncertainty. The uncertainty of each variable, the synthetic uncertainty and the extended uncertainty are calculated in turn. Results the extended uncertainty of 10-hydroxycarbamazepine at 3 concentrations (3.18 ~ 12.73 渭 g 路mL ~ (-1) was 0.24 ~ 0.44 ~ 1.66 渭 g / m ~ (-1) (K ~ (2 +) P ~ (-1) 95%). Conclusion the uncertainty of this method is mainly introduced by standard curve fitting (especially low concentration), serum drug extraction, serum sample preparation, instrument tolerance and repeatability.
【作者單位】: 武漢市兒童醫(yī)院藥學(xué)部;
【基金】:2014年度武漢市臨床醫(yī)學(xué)科研基金資助項(xiàng)目(WX14C47)
【分類號(hào)】:R927.2;O657.72
[Abstract]:Objective to evaluate the uncertainty of solid phase extraction (SPE)-high performance liquid chromatography (HPLC) for the determination of 10-hydroxycarbamazepine in human serum. Methods solid phase extraction-HPLC method was used to determine the concentration of 10-hydroxycarbamazepine in human serum. The whole process was analyzed to determine and simplify the source of uncertainty. The uncertainty of each variable, the synthetic uncertainty and the extended uncertainty are calculated in turn. Results the extended uncertainty of 10-hydroxycarbamazepine at 3 concentrations (3.18 ~ 12.73 渭 g 路mL ~ (-1) was 0.24 ~ 0.44 ~ 1.66 渭 g / m ~ (-1) (K ~ (2 +) P ~ (-1) 95%). Conclusion the uncertainty of this method is mainly introduced by standard curve fitting (especially low concentration), serum drug extraction, serum sample preparation, instrument tolerance and repeatability.
【作者單位】: 武漢市兒童醫(yī)院藥學(xué)部;
【基金】:2014年度武漢市臨床醫(yī)學(xué)科研基金資助項(xiàng)目(WX14C47)
【分類號(hào)】:R927.2;O657.72
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