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補(bǔ)體因子B(CFB)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Complement Factor B (CFB) ,etc. by FLIA (Flow Luminescence Immunoassay)

CF-B; BF; BFD; CFAB; GBG; H2-Bf; PBF2; B-Factor; Properdin; Properdin factor B; C3/C5 convertase; Glycine-rich beta glycoprotein

(注:單次混測多因子不超過8個(gè)指標(biāo) )

  • 補(bǔ)體因子B(CFB)等多因子檢測試劑盒(流式熒光發(fā)光法)產(chǎn)品包裝(模擬)
  • 補(bǔ)體因子B(CFB)等多因子檢測試劑盒(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

本試劑盒用于檢測補(bǔ)體因子B(CFB),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質(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補(bǔ)體因子B(CFB)(加標(biāo)樣品),重復(fù)測定并計(jì)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)91-10398
EDTA plasma(n=5)83-10386
heparin plasma(n=5)78-9282
sodium citrate plasma(n=5)78-9287

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(nèi)差:取同批次試劑盒對低、中、高值定值樣本進(jìn)行定量檢測,每份樣本連續(xù)測定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低、中、高值定值樣本進(jìn)行定量測定,每個(gè)樣本使用同一試劑盒重復(fù)測定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)加入適量的補(bǔ)體因子B(CFB),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補(bǔ)體因子B(CFB)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)89-101%88-96%97-104%78-104%
EDTA plasma(n=5)86-93%80-102%89-97%85-93%
heparin plasma(n=5)90-103%78-104%98-105%79-93%
sodium citrate plasma(n=5)85-92%86-93%95-103%98-105%

穩(wěn)定性

經(jīng)測定,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%。
為減小外部因素對試劑盒破壞前后檢測值的影響,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、向?qū)嶒?yàn)板每孔內(nèi)加入200μL分析緩沖液以預(yù)濕;
2、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,25°C酶標(biāo)板振蕩器孵育2小時(shí);
3、磁吸甩干,加檢測溶液A 100μL,25°C酶標(biāo)板振蕩器孵育1小時(shí);
4、磁吸甩干,加檢測溶液B 100μL,25°C振動(dòng)孵育30分鐘;
6、磁吸洗板1次;
7、加鞘液100μL,旋渦震蕩10分鐘后讀數(shù)。

實(shí)驗(yàn)原理

將補(bǔ)體因子B(CFB)抗體包被于磁性微球表面,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,其中的補(bǔ)體因子B(CFB)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的補(bǔ)體因子B(CFB)抗體,加入PE標(biāo)記的親和素,上機(jī)讀數(shù)。MFI值和樣品中的補(bǔ)體因子B(CFB)濃度呈正相關(guān)。

贈(zèng)品

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編號適用物種:Homo sapiens (Human,人)應(yīng)用(僅供研究使用,不用于臨床診斷!)
RPC011Hu05補(bǔ)體因子B(CFB)重組蛋白Positive Control; Immunogen; SDS-PAGE; WB.
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PAC011Hu03補(bǔ)體因子B(CFB)多克隆抗體WB; IHC
PAC011Hu02補(bǔ)體因子B(CFB)多克隆抗體WB,IHC
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PAC011Hu04補(bǔ)體因子B(CFB)多克隆抗體WB; IHC
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MAC011Hu26補(bǔ)體因子B(CFB)單克隆抗體WB; IHC
MAC011Hu22補(bǔ)體因子B(CFB)單克隆抗體WB
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參考文獻(xiàn)

雜志參考文獻(xiàn)
BMC NephrologyComplement in patients receiving maintenance hemodialysis: functional screening and quantitative analysis[BioMed: 14712369]
J. Proteome Res.Identification and Confirmation of Differentially Expressed Fucosylated Glycoproteins in the Serum of Ovarian Cancer Patients Using a Lectin Array and LC–MS/MS[ACS: pr300330z]
Pediatr IntAtypical hemolytic uremic syndrome: Korean pediatric series[PubMed: 25443527]
Journal of NeuroimmunologyAcute and prolonged complement activation in the central nervous system during herpes simplex encephalitis[Pubmed:27235358]
Biochemical and Biophysical Research CommunicationsAdipose tissue complement factor B promotes adipocyte maturation.[pubmed:29137982]
Journal?of?proteome?researchSerum exosomes from newborn piglets restrict porcine epidemic diarrhea virus infection[]
journal of human geneticsIdentification of susceptibility locus shared by IgA nephropathy and inflammatory bowel disease in a Chinese Han population[Pubmed: 31857673]
Nephrol Dial TransplantAssociation between thrombotic microangiopathy and activated alternative complement pathway in malignant nephrosclerosis[33367879]
JOURNAL OF GENERAL VIROLOGYChanges in complement alternative pathway components, factor B and factor H during dengue virus infection in the AG129 mouse[33410734]
J Proteome ResEarly Diagnostic Ability of Human Complement Factor B in Pancreatic Cancer Is Partly Linked to Its Potential Tumor-Promoting Role[34766501]
J Clin MedA Three-Protein Panel to Support the Diagnosis of Sepsis in Children[Pubmed:35329889]