Ⅰ型前胶原氨基端原肽(PINP)检测试剂盒(酶联免疫吸附试验法,快捷型)

Instant ELISA Kit for Procollagen I N-Terminal Propeptide (PINP)

P1NP; N-Propeptide Of Type I Procollagen; Procollagen I Amino Terminal Propeptide

  • Ⅰ型前胶原氨基端原肽(PINP)检测试剂盒(酶联免疫吸附试验法,快捷型) 产品包装(模拟)
  • Ⅰ型前胶原氨基端原肽(PINP)检测试剂盒(酶联免疫吸附试验法,快捷型) 产品包装(模拟)
  • Ⅰ型前胶原氨基端原肽(PINP)检测试剂盒(酶联免疫吸附试验法,快捷型) 实验结果图
  • Certificate 通过ISO 9001、ISO 13485质量体系认证

特异性

本试剂盒用于检测Ⅰ型前胶原氨基端原肽(PINP),经检测与其它相似物质无明显交叉反应。
由于受到技术及样本来源的限制,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Ⅰ型前胶原氨基端原肽(PINP)(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) 96-103 101
EDTA plasma(n=5) 78-97 90
heparin plasma(n=5) 83-94 87

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、中、高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、中、高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Ⅰ型前胶原氨基端原肽(PINP),并倍比稀释成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Ⅰ型前胶原氨基端原肽(PINP)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) 91-103% 89-101% 82-93% 95-105%
EDTA plasma(n=5) 90-97% 95-104% 81-98% 84-91%
heparin plasma(n=5) 80-92% 78-102% 87-99% 94-103%

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,实验室的环境条件需尽量保持一致,尤其是实验室内温度、湿度及温育条件。其次由同一实验员来进行操作可减少人为误差。

试剂盒内容

试剂名称 数量 试剂名称 数量
96孔板(预包被) 1 96孔板覆膜 4
标准品 5 标准品稀释液 1×20mL
检测溶液A 1×120µL 检测稀释液A 1×12mL
TMB底物 1×9mL 终止液 1×6mL
浓洗涤液 (30 × concentrate) 1×20mL 说明书 1

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;
6. 加TMB底物90µL,37°C孵育15-20分钟;
7. 加终止液50µL,立即450nm读数。

Instant ELISA Kit for Procollagen I N-Terminal Propeptide (PINP)

实验原理

将Ⅰ型前胶原氨基端原肽(PINP)单克隆抗体包被于96孔微孔板中,制成固相载体,向微孔中加入标准品或标本以及同时加入HRP标记Ⅰ型前胶原氨基端原肽(PINP)的多克隆抗体,孵育结束彻底洗涤后加入TMB底物显色。TMB在过氧化物酶的催化下转化成蓝色,并在酸的作用下转化成最终的黄色。颜色的深浅和样品中的被检测物浓度呈正相关。用酶标仪在450nm波长下测定吸光度(O.D.值),计算样品浓度。

增值服务

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