CN116500279A - 一种巨细胞病毒抗体IgM的检测试剂盒及应用 - Google Patents
一种巨细胞病毒抗体IgM的检测试剂盒及应用 Download PDFInfo
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Abstract
本发明属于检测试剂技术领域,公开了一种巨细胞病毒等抗体IgM的检测试剂盒及应用。本发明提供的试剂盒包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液,生产工艺按照制备微珠保存液、微球的活化与包被、制备荧光标记物和制备浓缩洗涤液进行生产,并结合校准品1、校准品2、校准品3、参考微球和NSC微球对照品的特定抗原,解决了当检测一个样本中的弓形虫、风疹、巨细胞病毒和单纯疱疹病毒1型和单纯疱疹病毒2型时,需要单独的用四种检测试剂分别对弓形虫、风疹、巨细胞病毒、单纯疱疹病毒1型和单纯疱疹病毒2型进行检测的问题,缩短了检测时间,从而提高了检测效率。
Description
本申请是申请日为2018年08月06日、申请号为201810883445.7、发明名称为《一种巨细胞病毒抗体IgM的检测试剂盒》的分案申请。
技术领域
本发明属于检测试剂技术领域,具体涉及一种巨细胞病毒等抗体IgM的检测试剂盒及应用,本发明是一种可以在一个微孔中,同时测定一个样本中的弓形虫,风疹病毒,巨细胞病毒,单纯疱疹病毒1型、单纯疱疹病毒2型IgM抗体的检测试剂盒。
背景技术
弓形虫、风疹、巨细胞病毒、单纯疱疹病毒1型、单纯疱疹病毒2型是当今社会常见的病毒,然而随着医疗水平的进步,弓形虫、风疹、巨细胞病毒和单纯疱疹病毒1型和单纯疱疹病毒2型都能通过现有的检测试剂进行检测,然后再做进一步的治疗,然而当检测一个样本中的弓形虫、风疹、巨细胞病毒和单纯疱疹病毒1型和单纯疱疹病毒2型时,需要单独的用四种检测试剂分别对弓形虫、风疹、巨细胞病毒和单纯疱疹病毒1型和单纯疱疹病毒2型进行检测,增加了检测时间,降低了检测效率。
发明内容
本发明所要解决的技术问题在于:提供一种聚苯乙烯微珠包被抗原的方法、试剂盒及应用,该巨细胞病毒等抗体IgM的检测试剂盒,它解决了当检测一个样本中的弓形虫、风疹、巨细胞病毒、单纯疱疹病毒1型和单纯疱疹病毒2型时,需要单独的用四种检测试剂分别对弓形虫、风疹、巨细胞病毒、单纯疱疹病毒1型和单纯疱疹病毒2型进行检测的问题。
本发明所要解决的技术问题采取以下技术方案来实现:
本发明提供了一种巨细胞病毒等抗体IgM的检测试剂在制备缩短病毒检测时间和/或提高检测效率的检测试剂盒中应用;
所述检测试剂包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液;
复合微珠悬浮液:悬浮液中包含有可辨识的聚苯乙烯微珠,聚苯乙烯微珠分别包被有如下抗原:弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原;
荧光显示剂:使用初始浓度为1.0μg/mL的藻红蛋白标记的羊抗-人IgM(特异性γ链),稀释定标为工作液浓度0.6μg/mL,2-8℃储存;
样本稀释液:含磷酸盐缓冲液,用于稀释样本用;
洗涤液:含磷酸盐缓冲液,需用纯化水10倍稀释,洗板用。
优选的,所述病毒包括弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原中的一种或几种。
本发明提供了一种巨细胞病毒等抗体IgM的检测试剂盒,检测试剂盒包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液,具体如下:
(1)复合微珠悬浮液:悬浮液中包含有可辨识的聚苯乙烯微珠,聚苯乙烯微珠分别包被有如下抗原:弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原;
(2)荧光显示剂:使用初始浓度为1.0μg/mL的藻红蛋白标记的羊抗-人IgM(特异性γ链),稀释定标为工作液浓度0.6μg/mL,2-8℃储存;
(3)样本稀释液:含磷酸盐缓冲液,用于稀释样本用;
(4)洗涤液:含磷酸盐缓冲液,需用纯化水10倍稀释,洗板用。
作为优选实例,试剂盒的生产工艺主要有以下几步:
①制备微珠保存液,微珠保存液主要成分包括:即8.0g/L的NaCl试剂,2.9g/L的Na2HPO4·12H2O试剂,2.4g/L的KCl试剂,2.4g/L的KH2PO4试剂,0.5g/L的Tris试剂,0.5mL/L的Tween20试剂,0.5g/L的SodiumAzide试剂。
②微球的活化与包被,取1mL特定编号微珠加入1.5mL离心管,加入5-50μL EDC(1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐)和5-50μLSuLfo-NHS(N-羟基硫代琥珀酰亚胺),加入10-100μg特定抗原,涡旋混匀30秒,超声混匀30秒,2-8℃摇匀过夜。
③荧光标记物:藻红蛋白标记的羊抗-人IgM(特异性γ链),初始浓度1μg/mL,用微珠保存液稀释至工作浓度即可,工作浓度为0.6μg/L。
④浓缩洗涤液:浓缩洗涤液中成分与微珠保存液的成分一致,且浓缩洗涤液各成分浓度为微珠保存液各成分浓度的10倍。
作为优选实例,特定抗原包括校准品1、校准品2、校准品3、参考微球和NSC微球对照品,校准品1加入2-5μg/mL的人IgM,校准品2加入6-10μg/mL的人IgM,校准品3加入12-18μg/mL的人IgM,参考微球加入8-15μg/mL的抗人IgM,NSC微球作为对照,不加入任何抗原。
本发明的有益效果是:本发明包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液,生产工艺按照制备微珠保存液、微球的活化与包被、制备荧光标记物和制备浓缩洗涤液进行生产,并结合校准品1、校准品2、校准品3、参考微球和NSC微球对照品的特定抗原,解决了当检测一个样本中的弓形虫、风疹、巨细胞病毒和单纯疱疹病毒时,需要单独的用四种检测试剂分别对弓形虫、风疹、巨细胞病毒和单纯疱疹病毒1型和单纯疱疹病毒2型进行检测的问题,缩短了检测时间,从而提高了检测效率。
具体实施方式
为了对本发明的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
一种巨细胞病毒等抗体IgM的检测试剂盒,检测试剂盒包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液。
(1)复合微珠悬浮液:悬浮液中包含有可辨识的聚苯乙烯微珠,聚苯乙烯微珠分别包被有如下抗原:弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原;
(2)荧光显示剂:使用初始浓度为1.0μg/mL的藻红蛋白标记的羊抗-人IgM(特异性γ链),稀释定标为工作液浓度0.6μg/mL,2-8℃储存;
(3)样本稀释液:含磷酸盐缓冲液,用于稀释样本用;
(4)洗涤液:含磷酸盐缓冲液,需用纯化水10倍稀释,洗板用。
试剂盒的生产工艺主要有以下几步:
①制备微珠保存液,微珠保存液主要成分包括:即8.0g/L的NaCl试剂,2.9g/L的Na2HPO4·12H2O试剂,2.4g/L的KCl试剂,2.4g/L的KH2PO4试剂,0.5g/L的Tris试剂,0.5mL/L的Tween20试剂,0.5g/L的SodiumAzide试剂。
②微球的活化与包被,取1mL特定编号微珠加入1.5mL离心管,加入5-50μLEDC(1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐)和5-50μLSuLfo-NHS(N-羟基硫代琥珀酰亚胺),加入10-100μg特定抗原,涡旋混匀30秒,超声混匀30秒,2-8℃摇匀过夜。
生产检测试剂盒时,需要同时放置4种抗原抗体瓶子的摇床,分别包被不同编号的微球,步骤如下:
1)洗涤:使用抽滤洗涤,经洗涤后的微珠转移至微珠保存液;
2)质控:通过使用质控盘来验证质量;
3)将多种已包被微珠混合,用少量微珠保存液洗下瓶壁残留微珠,并混合,最后用微珠保存液定容,检验合格后分装。
③荧光标记物:藻红蛋白标记的羊抗-人IgM(特异性γ链),初始浓度1μg/mL,用微珠保存液稀释至工作浓度即可,工作浓度为0.6μg/L。
④浓缩洗涤液:微珠保存液配方的10倍浓缩版,浓缩洗涤液中成分与微珠保存液的成分一致,且浓缩洗涤液各成分浓度为微珠保存液各成分浓度的10倍。
特定抗原包括校准品1、校准品2、校准品3、参考微球和NSC微球对照品,校准品1加入2-5μg/mL的人IgM,校准品2加入6-10μg/mL的人IgM,校准品3加入12-18μg/mL的人IgM,参考微球加入8-15μg/mL的抗人IgM,NSC微球作为对照,不加入任何抗原。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (5)
1.一种巨细胞病毒等抗体IgM的检测试剂在制备缩短病毒检测时间和/或提高检测效率的检测试剂盒中应用;
所述检测试剂包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液;
复合微珠悬浮液:悬浮液中包含有可辨识的聚苯乙烯微珠,聚苯乙烯微珠分别包被有如下抗原:弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原;
荧光显示剂:使用初始浓度为1.0μg/mL的藻红蛋白标记的羊抗-人IgM(特异性γ链),稀释定标为工作液浓度0.6μg/mL,2-8℃储存;
样本稀释液:含磷酸盐缓冲液,用于稀释样本用;
洗涤液:含磷酸盐缓冲液,需用纯化水10倍稀释,洗板用。
2.根据权利要求1所述的应用,其特征在于,所述病毒包括弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原中的一种或几种。
3.一种巨细胞病毒等抗体IgM的检测试剂盒,其特征在于:检测试剂盒包括复合微珠悬浮液、荧光显示剂、样本稀释液和洗涤液;
复合微珠悬浮液:悬浮液中包含有可辨识的聚苯乙烯微珠,聚苯乙烯微珠分别包被有如下抗原:弓形虫抗原、风疹抗原、巨细胞抗原、单纯疱疹病毒-1抗原和单纯疱疹病毒-2抗原;
荧光显示剂:使用初始浓度为1.0μg/mL的藻红蛋白标记的羊抗-人IgM(特异性γ链),稀释定标为工作液浓度0.6μg/mL,2-8℃储存;
样本稀释液:含磷酸盐缓冲液,用于稀释样本用;
洗涤液:含磷酸盐缓冲液,需用纯化水10倍稀释,洗板用。
4.根据权利要求3所述的检测试剂盒,其特征在于:试剂盒的生产工艺主要有以下几步:
制备微珠保存液,微珠保存液主要成分包括:即8.0g/LNaCl试剂,2.9g/LNa2HPO4·12H2O试剂,2.4g/LKCl试剂,2.4g/LKH2PO4试剂,0.5g/LTris试剂,0.5mL/LTween20试剂,0.5g/LSodiumAzide试剂;
微球的活化与包被,取1mL特定编号微珠加入1.5mL离心管,加入5-50μL1-乙基-(3-二甲基氨基丙基)碳酰二亚胺盐酸盐和5-50μLN-羟基硫代琥珀酰亚胺,加入10-100μg特定抗原,涡旋混匀30秒,超声混匀30秒,2-8℃摇匀过夜;
荧光标记物:藻红蛋白标记的羊抗-人IgM(特异性γ链),初始浓度1μg/mL,用微珠保存液稀释至工作浓度即可,工作浓度为0.6μg/L;
浓缩洗涤液:浓缩洗涤液中成分与微珠保存液的成分一致,且浓缩洗涤液各成分浓度为微珠保存液各成分浓度的10倍。
5.根据权利要求4所述的检测试剂盒,其特征在于:特定抗原包括校准品1、校准品2、校准品3、参考微球和NSC微球对照品,校准品1加入2-5μg/mL的人IgM,校准品2加入6-10μg/mL的人IgM,校准品3加入12-18μg/mL的人IgM,参考微球加入8-15μg/mL的抗人IgM,NSC微球作为对照,不加入任何抗原。
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