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泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)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:單次混測多因子不超過8個指標 )

  • 泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)產品包裝(模擬)
  • 泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)產品包裝(模擬)
  • Certificate通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法),經檢測與其它相似物質無明顯交叉反應。
由于受到技術及樣本來源的限制,不可能完成對所有相關或相似物質交叉反應檢測,因此本試劑盒有可能與未經檢測的其它物質有交叉反應。

回收率

分別于定值血清及血漿樣本中加入一定量的泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)(加標樣品),重復測定并計算其均值,回收率為測定值與理論值的比率。

樣本回收率范圍(%)平均回收率(%)
serum(n=5)96-105101
EDTA plasma(n=5)82-10186
heparin plasma(n=5)84-9188
sodium citrate plasma(n=5)89-9794

精密度

精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內差:取同批次試劑盒對低、中、高值定值樣本進行定量檢測,每份樣本連續(xù)測定20 次,分別計算不同濃度樣本的平均值及SD值。
批間差:選取3個不同批次的試劑盒分別對低、中、高值定值樣本進行定量測定,每個樣本使用同一試劑盒重復測定8次,分別計算不同濃度樣本的平均值及SD值。
批內差: CV<10%
批間差: CV<12%

線性

在定值血清及血漿樣本內加入適量的泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法),并倍比稀釋成1:2,1:4,1:8,1:16的待測樣本,線性范圍即為稀釋后樣本中泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)含量的測定值與理論值的比率。

樣本1:21:41:81:16
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%

穩(wěn)定性

經測定,試劑盒在有效期內按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響,實驗室的環(huán)境條件需盡量保持一致,尤其是實驗室內溫度、濕度及溫育條件。其次由同一實驗員來進行操作可減少人為誤差。

實驗流程

1. 實驗前標準品、試劑及樣本準備;
2. 加樣(標準品、樣本、磁珠)標準品或樣本100μL及磁珠10μL,
    37°C酶標板振蕩器孵育90分鐘;
3. 磁吸甩干,加檢測溶液A100μL,37°C酶標板振蕩器孵育60分鐘;
4. 磁吸洗板3次;
5. 加檢測溶液B100μL,37°C振動孵育30分鐘;
6. 磁吸洗板3次;
7. 加鞘液100μL,旋渦震蕩2分鐘后讀數(shù)。

實驗原理

將泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體包被于磁珠,制成固相載體,向微孔中分別加入標準品或標本以及磁珠,其中的泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體結合,然后加入生物素化的泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體,將未結合的生物素化抗體洗凈后,加入PE標記的親和素,再次徹底洗滌后即可上機讀數(shù)。MFI值和樣品中的泛素羧基端酯酶L1(UCHL1)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關。

贈品

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參考文獻

雜志參考文獻
J Neurol SciChanges of ubiquitin C-terminal hydrolase-L1 levels in serum and urine of patients with white matter lesions[PubMed: 26232084]
Journal of the Neurological SciencesIncreased plasma UCH-L1 after aneurysmal subarachnoid hemorrhage is associated with unfavorable neurological outcome[Pubmed:26810533]
Ulutas Medical JournalSerum Carnosine Dipeptidase 1 and Ubiquitin C - Terminal Hydrolase L1 as Markers of Brain Damage in Patients after Carotid Endarterectomy [mnstemps:135]
Scientific ReportsActivation of hepatic stellate cells by the ubiquitin C-terminal hydrolase 1 protein secreted from hepatitis C virus-infected hepatocytes[pubmed:28667290]
Intensive?Care?MedicineRelationships between markers of neurologic and endothelial injury during critical illness and long-term cognitive impairment and disability[Pubmed:29523900]
Earth and Environmental ScienceSerum 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 CareAssociation of neuronal repair biomarkers with delirium among survivors of critical illness[Pubmed: 31896448]
Brain SciencesBDNF and IL-8, But Not UCHL-1 and IL-11, Are Markers of Brain Injury in Children Caused by Mild Head Trauma[Pubmed: 32987792]