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抗泛素羧基端酯酶L1抗體(Anti-UCHL1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)

ELISA Kit for Anti-Ubiquitin Carboxyl Terminal Hydrolase L1 Antibody (Anti-UCHL1)

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

  • 抗泛素羧基端酯酶L1抗體(Anti-UCHL1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產品包裝(模擬)
  • 抗泛素羧基端酯酶L1抗體(Anti-UCHL1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)產品包裝(模擬)
  • 抗泛素羧基端酯酶L1抗體(Anti-UCHL1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)實驗結果圖
  • AEG945Hu.jpg標準曲線圖
  • Certificate通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測抗泛素羧基端酯酶L1抗體(Anti-UCHL1),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抗泛素羧基端酯酶L1抗體(Anti-UCHL1)(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)87-9592
EDTA plasma(n=5)95-105101
heparin plasma(n=5)78-10188

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抗泛素羧基端酯酶L1抗體(Anti-UCHL1),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抗泛素羧基端酯酶L1抗體(Anti-UCHL1)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)94-102%84-95%87-104%80-97%
EDTA plasma(n=5)88-95%84-101%88-101%78-105%
heparin plasma(n=5)96-105%96-105%87-94%97-105%

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、試劑及樣本的準備;
2. 加樣(標準品及樣本)100µL,37°C孵育1小時;
3. 吸棄,加檢測溶液A100μL,37°C孵育1小時;
4. 洗板5次;
5. 加TMB底物90µL,37°C孵育10-20分鐘;
6. 加終止液50µL,立即450nm讀數(shù)。

實驗原理

將抗原包被于96孔微孔板中,制成固相載體,向微孔中分別加入標準品或標本,其中的抗泛素羧基端酯酶L1抗體(Anti-UCHL1)與連接于固相載體上的抗原結合,然后加入HRP標記的二抗,徹底洗滌后加入TMB底物顯色。TMB在過氧化物酶的催化下轉化成藍色,并在酸的作用下轉化成最終的黃色。顏色的深淺和樣品中的抗泛素羧基端酯酶L1抗體(Anti-UCHL1)呈正相關。用酶標儀在450nm波長下測定吸光度(O.D.值),計算樣品濃度。

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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]