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促甲状腺素(TSH)检测试剂盒(化学发光免疫分析法)

CLIA Kit for Thyroid Stimulating Hormone (TSH)

Thyrotropin

  • 促甲状腺素(TSH)检测试剂盒(化学发光免疫分析法) 产品包装(模拟)
  • 促甲状腺素(TSH)检测试剂盒(化学发光免疫分析法) 产品包装(模拟)
  • 促甲状腺素(TSH)检测试剂盒(化学发光免疫分析法) 实验结果图
  • CCA463Ca.jpg 标准曲线图
  • Certificate 通过ISO 9001、ISO 13485质量体系认证

特异性

本试剂盒用于检测促甲状腺素(TSH),经检测与其它相似物质无明显交叉反应。
由于受到?#38469;?#21450;样本来源的限制,不可能完成对所有相关或相似物质交叉反应检测,因此本试剂盒有可能与未经检测的其它物质有交叉反应。

回收率

分别于定值血清及血浆样本中加入一定量的促甲状腺素(TSH)(加标样品),重复测定并计算其均值,回收率为测定值与理论值的比率。

样本 回收率范围(%) 平均回收率(%)
serum(n=5) 83-93 89
EDTA plasma(n=5) 81-98 90
heparin plasma(n=5) 82-90 86

精密度

精密度用样品测定值的变异系数CV表示。CV(%) = SD/mean×100
批内差:取同批次试剂盒对低、?#23567;?#39640;值定值样本进行定量检测,每份样本连续测定20 次,分别计算不同浓度样本的平均值及SD值。
批间差:选取3个不同批次的试剂盒分别对低、?#23567;?#39640;值定值样本进行定量测定,每个样本使用同一试剂盒重复测定8次,分别计算不同浓度样本的平均值及SD值。
批内差: CV<10%
批间差: CV<12%

线性

在定值血清及血浆样本内加入适量的促甲状腺素(TSH),并倍?#35748;?#37322;成1:2,1:4,1:8,1:16的待测样本,线性范围即为稀释后样本中促甲状腺素(TSH)含量的测定值与理论值的比率。

样本 1:2 1:4 1:8 1:16
serum(n=5) 99-105% 81-95% 87-98% 80-92%
EDTA plasma(n=5) 98-105% 82-102% 78-104% 97-104%
heparin plasma(n=5) 94-105% 79-102% 97-105% 80-101%

稳定性

经测定,试剂盒在有效期内按推荐温度保存,其活性降低率小于5%。
为减小外部因素对试剂盒破坏前后检测值的影响,实验室的环?#31243;?#20214;需尽量保持一致,尤其是实验室内温?#21462;?#28287;度及温育条件。其次由同一实验员来进行操作可减少?#23435;?#35823;差。

实验流程

1. 实验前标准品、试剂及样本的准备;
2. 加样(标准品及样本)50µL,
    加入50µL检测液A(临用前配制);
    37°C温育1小时。
3. 洗板3次;
4. 加检测溶液B100µL,37°C孵育30分钟;
5. 洗板5次;
6. 加底物100µL,37°C孵育10分钟;
7. 读数。

实验原理

本试剂盒应用竞争?#31181;?#37238;联免疫分析法测定标本中待测物质水平。将促甲状腺素(TSH)单克隆抗体包被微?#35013;澹?#21046;成固相载体,往包被抗体的微孔中同时加入生物素标记的抗原和待测抗原(标准品或样本),待测抗原与生物素标记抗原对特异性抗体进行竞争结?#31232;?#28201;育后经洗?#23588;?#25481;未结合物,然后加入HRP标记的亲和素,再次彻底洗涤后加入底物。加入底物后会产生辉光型光信号。发射光强度和样?#20998;?#30340;促甲状腺素(TSH)呈负相关。用化学发光仪测定相对光单位(RLU),计算样品浓?#21462;?

相关产品

编号 适用物种:Canis familiaris; Canine (Dog,犬) 应用(仅供研究使用,不用于临床诊断!)
CEA463Ca 促甲状腺素(TSH)检测试剂盒(酶联免疫吸附试验法) Enzyme-linked immunosorbent assay for Antigen Detection.
CCA463Ca 促甲状腺素(TSH)检测试剂盒(化学发光免疫分析法) Chemiluminescent immunoassay for Antigen Detection.

参考文献

杂志 参考文献
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Frontiers in Molecular Neuroscience Impact of Triclosan on Female Reproduction through Reducing Thyroid Hormones to Suppress Hypothalamic Kisspeptin Neurons in Mice [Pubmed:29403355]
Neuroscience Letter Central irisin administration suppresses thyroid hormone production but increases energy consumption in rats [Pubmed:29574218]
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