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应用体积排阻色谱法测定口蹄疫灭活疫苗中的146S抗原含量
Authors
何天慈
宋艳民
+9 more
张松平
徐嫄
朱元源
李翠
杨延丽
林旋
赵启祖
邹兴启
郑金来
Publication date
1 January 2018
Publisher
Abstract
旨在应用体积排阻色谱法测定口蹄疫灭活疫苗中的146S抗原含量。使用TSKgel G4000SWXL(7.8 mm×30 cm)色谱柱,以pH 7.2的缓冲盐体系作为流动相,流速为0.6 mL/min,进样量为100μL,检测波长为259 nm。以口蹄疫病毒(O型)灭活146S抗原纯化样品建立标准曲线;使用灭活抗原液配制3份口蹄疫灭活疫苗,并进行精密度、重复性、特异性、耐受性验证;应用该方法快速测定16批疫苗的146S含量。结果表明,抗原浓度在0.56–67.42μg/mL范围内,其峰面积与浓度的线性关系良好(R^2=0.996,n=10),3份疫苗146S抗原测定回收率分别为93.6%(RSD=2.7%,n=3)、102.3%(RSD=2.6%,n=3)、95.5%(RSD=5.1%,n=3),方法重复性好、准确性强(RSD=0.5%,n=6),且操作简便、高效,对16批疫苗的测定结果较理想。应用该方法有望快速高效地检测口蹄疫灭活疫苗的146S抗原含量,为疫苗的质量控制提供有力支持
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Last time updated on 05/12/2019