泛素羧基端酯酶L1(UCHL1)等多因子检测试剂盒(流式荧光发光法)

Multiplex Assay Kit for Ubiquitin Carboxyl Terminal Hydrolase L1 (UCHL1) ,etc. by FLIA (Flow Luminescence Immunoassay)

PARK5; PGP9.5; Uch-L1; Neuron cytoplasmic protein 9.5; Ubiquitin thioesterase L1; Ubiquitin carboxyl-terminal hydrolase isozyme L1

(注:单次混测多因子不超过8个指标 )

  • 泛素羧基端酯酶L1(UCHL1)等多因子检测试剂盒(流式荧光发光法) 产品包装(模拟)
  • 泛素羧基端酯酶L1(UCHL1)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

本试剂盒用于检测泛素羧基端酯酶L1(UCHL1)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泛素羧基端酯酶L1(UCHL1)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) 96-105 101
EDTA plasma(n=5) 82-101 86
heparin plasma(n=5) 84-91 88
sodium citrate plasma(n=5) 89-97 94

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泛素羧基端酯酶L1(UCHL1)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泛素羧基端酯酶L1(UCHL1)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) 97-105% 91-101% 86-101% 92-99%
EDTA plasma(n=5) 79-102% 87-104% 95-104% 89-96%
heparin plasma(n=5) 91-104% 78-91% 82-97% 90-98%
sodium citrate plasma(n=5) 96-103% 97-105% 92-104% 88-102%

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)标准品或样本100μL及磁珠10μL,
    37°C酶标板振荡器孵育90分钟;
3. 磁吸甩干,加检测溶液A100μL,37°C酶标板振荡器孵育60分钟;
4. 磁吸洗板3次;
5. 加检测溶液B100μL,37°C振动孵育30分钟;
6. 磁吸洗板3次;
7. 加鞘液100μL,旋涡震荡2分钟后读数。

实验原理

将泛素羧基端酯酶L1(UCHL1)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,其中的泛素羧基端酯酶L1(UCHL1)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结合,然后加入生物素化的泛素羧基端酯酶L1(UCHL1)等多因子检测试剂盒(流式荧光发光法)抗体,将未结合的生物素化抗体洗净后,加入PE标记的亲和素,再次彻底洗涤后即可上机读数。MFI值和样品中的泛素羧基端酯酶L1(UCHL1)等多因子检测试剂盒(流式荧光发光法)呈正相关。

赠品

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参考文献

杂志 参考文献
J Neurol Sci Changes of ubiquitin C-terminal hydrolase-L1 levels in serum and urine of patients with white matter lesions [PubMed: 26232084]
Journal of the Neurological Sciences Increased plasma UCH-L1 after aneurysmal subarachnoid hemorrhage is associated with unfavorable neurological outcome [Pubmed:26810533]
Ulutas Medical Journal Serum Carnosine Dipeptidase 1 and Ubiquitin C - Terminal Hydrolase L1 as Markers of Brain Damage in Patients after Carotid Endarterectomy [mnstemps:135]
Scientific Reports Activation of hepatic stellate cells by the ubiquitin C-terminal hydrolase 1 protein secreted from hepatitis C virus-infected hepatocytes [pubmed:28667290]
Intensive Care Medicine Relationships between markers of neurologic and endothelial injury during critical illness and long-term cognitive impairment and disability [Pubmed:29523900]
Earth and Environmental Science Serum concentration of ubiquitin c-terminal hydrolase-L1 in detecting severity of traumatic brain injury [article:10.1088]
Peripheral blood biomarkers in aneurysmal subarachnoid hemorrhage [ISBN:978-952-03-0750-9]
Journal of Critical Care Association of neuronal repair biomarkers with delirium among survivors of critical illness [Pubmed: 31896448]
Brain Sciences BDNF and IL-8, But Not UCHL-1 and IL-11, Are Markers of Brain Injury in Children Caused by Mild Head Trauma [Pubmed: 32987792]
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