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名称
兔抗绵羊红细胞抗体血清 (溶血素)
分子类型
血清/血浆
别名
兔抗绵羊红细胞抗体溶血素 | 兔抗绵羊红细胞溶血素 | 溶血素 | 兔抗绵羊红细胞抗体 | SRBC抗体
英文名称
SRBC Ab
货号
R1371696-10×1ml
包装规格
10×1ml
级别
BioReagent
浓度
效价 1:4000
储存温度
-20°C储存,避免反复冻融
运输条件
超低温冰袋运输
稳定性与储存
-20℃储存(5年);收货后建议分装,避免反复冻融。
产品介绍
利用绵羊细胞与相应抗体(溶血素)结合成的复合物,可激活血清中的补体,导致红细胞溶解,当红细胞和溶血素量一定时,在规定反应的时间内,溶血程度与补体量及活性呈正相关。在接近 50%溶血( CH50)时,二者之间近似直线关系,故以 50%溶血作为最敏感的判断终点。以引起 50%溶血所需的最小补体量为一个 CH50U,可计算出待测血清中总的补体溶血活性,以CH50U/ml 表示。本实验主要反映补体经典活化途径的溶血功能,其结果与补体 C1~C9 各组成分的量及活性均有关。 试剂及配制 1、缓冲生理盐水: (1) 贮存液: Na2HPO4.12H2O2.85g KH2PO4 0.27g NaCl 17.00g 蒸馏水定容至 100mL,4℃保存备用。 (2)应用液:5mL贮存液加 95ml 蒸馏水,再加 10%硫酸镁 0.1mL,当日配制,12小时内使用。 2、2%绵羊红细胞:无菌采取绵羊血液,于等量 Alsever 液中可保存 3 周。用前以缓冲液洗 3次,并配成 2%细胞悬液。必要时可用吸光光度法或细胞计数法使悬液细胞浓度标准化。 3、溶血素:将绵羊红细胞溶血素(效价 1:4000),用应用液做 1:200 倍稀释(即 1mL溶血素加 199ml 应用液)。 4、待测血清:新鲜血液室温放置 30min,再 4℃放置 60min,使血块收缩, 4℃离心( 3000r/min)10min,取上清,-20℃保存。 操作步骤 试管法(改良 Mayer 法) 1、致敏羊红细胞: 2%绵羊红细胞加等量稀释后的溶血素(1:2000),混匀,置 37℃水浴 30min。 2、稀释血清:待测血清 0.2mL,加应用液 3.8ml,稀释度为 1:20。 3、配制溶血标准管:全溶血管:2%绵羊红细胞 2mL加 8mL蒸馏水,混匀。50%溶血管:取全溶血管液 2mL加缓冲液 2mL。 4、按表所示,依次加各成分于试管中,混匀,置 37℃水浴 30min, 第 10 管为非溶血对照: 补体 CH50 测定试管法 成分
无菌 效价 1
4000
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Research chemical 1ml

Research chemical 1ml; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 1ml.

item number:R1371696-10×1ml
Product model:10×1ml
level: 1ml
Lead Time:30days
sold 351 Items
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