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髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Myelin Basic Protein (MBP) ,etc. by FLIA (Flow Luminescence Immunoassay)

Myelin A1 protein; Myelin membrane encephalitogenic protein

(注:?jiǎn)未位鞙y(cè)多因子不超過8個(gè)指標(biāo) )

  • 髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • 髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • Certificate 通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法),經(jīng)檢測(cè)與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對(duì)所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測(cè),因此本試劑盒有可能與未經(jīng)檢測(cè)的其它物質(zhì)有交叉反應(yīng)。

回收率

分別于定值血清及血漿樣本中加入一定量的髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)(加標(biāo)樣品),重復(fù)測(cè)定并計(jì)算其均值,回收率為測(cè)定值與理論值的比率。

樣本 回收率范圍(%) 平均回收率(%)
serum(n=5) 78-93 83
EDTA plasma(n=5) 93-102 99
heparin plasma(n=5) 80-96 87

精密度

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

線性

在定值血清及血漿樣本內(nèi)加入適量的髓鞘堿性蛋白(MBP)等多因子檢測(cè)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(cè)樣本,線性范圍即為稀釋后樣本中髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)含量的測(cè)定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 78-95% 85-93% 92-101% 99-105%
EDTA plasma(n=5) 81-93% 97-105% 94-105% 92-101%
heparin plasma(n=5) 80-92% 96-103% 92-104% 85-99%

穩(wěn)定性

經(jīng)測(cè)定,試劑盒在有效期內(nèi)按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對(duì)試劑盒破壞前后檢測(cè)值的影響,實(shí)驗(yàn)室的環(huán)境條件需盡量保持一致,尤其是實(shí)驗(yàn)室內(nèi)溫度、濕度及溫育條件。其次由同一實(shí)驗(yàn)員來進(jìn)行操作可減少人為誤差。

實(shí)驗(yàn)流程

1. 實(shí)驗(yàn)前標(biāo)準(zhǔn)品、試劑及樣本準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品、樣本、磁珠)標(biāo)準(zhǔn)品或樣本100μL及磁珠10μL,
    37°C酶標(biāo)板振蕩器孵育90分鐘;
3. 磁吸甩干,加檢測(cè)溶液A100μL,37°C酶標(biāo)板振蕩器孵育60分鐘;
4. 磁吸洗板3次;
5. 加檢測(cè)溶液B100μL,37°C振動(dòng)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(shí)驗(yàn)原理

將髓鞘堿性蛋白(MBP)等多因子檢測(cè)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(biāo)準(zhǔn)品或標(biāo)本以及磁珠,其中的髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)抗體,將未結(jié)合的生物素化抗體洗凈后,加入PE標(biāo)記的親和素,再次徹底洗滌后即可上機(jī)讀數(shù)。MFI值和樣品中的髓鞘堿性蛋白(MBP)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)呈正相關(guān)。

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參考文獻(xiàn)

雜志 參考文獻(xiàn)
PLOS ONE CD98 Positive Eosinophils Contribute to T Helper 1 Pattern Inflammation [PlosOne: Source]
Journal of Occupational Health Effects of Exposure to 1-Bromopropane on Astrocytes and Oligodendrocytes in Rat Brain [Pubmed: 23183024]
Pak J Med Sci Myelin basic protein and ischemia modified albumin levels in acute ischemic stroke cases [PubMed: 26648996]
Experimental and Toxicologic Pathology Morphology and staining behavior of neutrophilic and eosinophilic granulocytes of the common marmoset (Callithrix jacchus) [Pubmed:27165445]
Acta Angiologica Serum microtubule associated protein tau and myelin basic protein as the potential markers of brain ischaemia-reperfusion injury in patients undergoing carotid endarterectomy [AA.2016.0008]
Stem Cells. Myelin Basic Protein Regulates Primitive and Definitive Neural Stem Cell Proliferation from the Adult Spinal Cord. [pubmed:27573615]
Environmental Science and Pollution Research Glial?markers?and?emotional?memory?in?rats?following?acute?cerebral?radiofrequency?exposures. [pubmed:27696165]
Acta Angiol Serum microtubule associated protein tau and myelin basic protein as the potential markers of brain ischaemia-reperfusion injury in patients undergoing carotid endarterectomy [AA.2016.0008]
PLoS?Neglected?Tropical?Diseases Functional and phenotypic evaluation of eosinophils from patients with the acute form of paracoccidioidomycosis [pubmed:28489854]
Pesticide Biochemistry and Physiology Acrolein-mediated neurotoxicity in growing Wistar male rats [Pubmed:30033014]
International Journal of Livestock Research Association and Risk of Canine Distemper with Respect to Age, Sex and Breed of Dogs Suffering from Demyelinating Neuropathies [10.5455:ijlr.20170811080455]
Microchimica Acta Biosensors and nanobiosensors for rapid detection of autoimmune diseases: a review [Pubmed: 31760523]
The role of light desynchronosis in the development of stress-induced aging []
Adv Med Sci Association of eosinophil-mediated inflammatory biomarkers with the presence of the Schatzki ring [34091432]
biomolecules Searching for Noninvasive Predictors of the Diagnosis and Monitoring of Eosinophilic Esophagitis?aThe Importance of Biomarkers of the Inflammatory Reaction??- []
Talanta Monitoring autoimmune diseases by bioelectrochemical detection of autoantibodies. Application to the determination of anti-myelin basic protein autoantibodies in?… [Pubmed:35202838]
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