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脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)

Multiplex Assay Kit for Brain Natriuretic Peptide (BNP) ,etc. by FLIA (Flow Luminescence Immunoassay)

GC-B; B-Type Natriuretic Peptide; Ventricular Natriuretic Peptide; Gamma-brain natriuretic peptide; Brain natriuretic peptide 32

（注：单次混测多因子不超过8个指标 ）

  • 脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法) 产品包装(模拟)
  • 脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法) 产品包装(模拟)
  • Certificate 通过ISO 9001、ISO 13485质量体系认证

特异性

本试剂盒用于检测脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)，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脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)（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) 93-101 96
EDTA plasma(n=5) 80-103 85
heparin plasma(n=5) 92-101 95

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脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)，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脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)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) 79-99% 79-98% 85-92% 95-104%
EDTA plasma(n=5) 86-98% 79-95% 82-104% 93-102%
heparin plasma(n=5) 94-102% 80-95% 82-94% 83-94%

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。

实验流程

1. 实验前标准品、试剂及样本准备；
2. 加样（标准品、样本、磁珠、检测溶液A）标准品或样本50μL及磁珠10μL，加检测溶液A50μL，
    37°C酶标板振荡器孵育60分钟；
3. 磁吸洗板3次；
4. 加检测溶液B100μL，37°C振动孵育30分钟；
5. 磁吸洗板3次；
6. 加鞘液100μL，旋涡震荡2分钟后读数。

实验原理

将脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)抗体包被于磁珠，制成固相载体，向微孔中分别加入标准品或标本以及磁珠、标记VEGFA，标记的脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)和未标记的脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)与连接于固相载体上的抗体竞争结合，然后将未结合物洗净后，加入PE标记的亲和素，再次彻底洗涤后即可上机读数。MFI值和样品中的脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法)呈负相关。

赠品

相关产品

编号 适用物种：Chicken (Gallus，鸡) 应用(仅供研究使用，不用于临床诊断！)
CEA541Ga 脑钠素(BNP)检测试剂盒(酶联免疫吸附试验法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMA541Ga 脑钠素(BNP)等多因子检测试剂盒(流式荧光发光法) FLIA Kit for Antigen Detection.

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