用途:用于快速检测牛奶、奶粉等样品中的三聚氰胺残留。
原理: 本试剂盒采用间接竞争ELISA 方法,在微孔条上预包被偶联抗原,样本中的残留物三聚氰胺将和微孔条上预包被的偶联抗原竞争抗三聚氰胺抗体,加入酶标记物后,用TMB 底物显色,样本吸光值与其所含残留物三聚氰胺的含量成负相关,与标准曲线比较即可得出相应残留物三聚氰胺的含量。
试剂盒特性:
u 试剂盒灵敏度:0.5ppb
u 孵育温度: 25℃
u 孵育时间: 30min~15min
u 样本检测下限
牛奶··············································· 1 ppb
奶粉·············································· 10ppb
u 交叉反应率
三聚氰胺········································· 100%
u 样本回收率
牛奶······································· 90% ±25%
奶粉······································· 80% ±25%
试剂盒组成:
1 | 微量测试孔 | 每条8孔,一板12条 | |
2 | 标准液×6瓶 (1ml/瓶) | 0ppb | 0.5ppb |
1.5ppb | 4.5ppb | ||
13.5ppb | 40.5ppb | ||
3 | 酶标记物 | 7ml | 红色帽 |
4 | 抗体工作液 | 7ml | 蓝色帽 |
5 | 底物A液 | 7ml | 白色帽 |
6 | 底物B液 | 7ml | 黑色帽 |
7 | 终止液 | 7ml | 黄色帽 |
8 | 20X浓缩洗涤液 | 40ml | 白色帽 |
样本前处理及酶标免疫分析程序:
详见产品说明书。
储藏条件和保质期:
1、储藏条件:试剂盒于2~8℃保存,不要冷冻。
2、保质期:该产品有效期为1 年,生产日期见包装盒。
实验代做项目报价
林可霉素快速筛查试剂说明书