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      1. 血小板因子4(PF4)檢測試劑盒(酶聯免疫吸附試驗法)

        ELISA Kit for Platelet Factor 4 (PF4)

        CXCL4; SCYB4; Chemokine C-X-C-Motif Ligand 4; Oncostatin-A; Iroplact

        • 血小板因子4(PF4)檢測試劑盒(酶聯免疫吸附試驗法) 產品包裝(模擬)
        • 血小板因子4(PF4)檢測試劑盒(酶聯免疫吸附試驗法) 產品包裝(模擬)
        • 血小板因子4(PF4)檢測試劑盒(酶聯免疫吸附試驗法) 實驗結果圖
        • SEA172Mu.jpg 標準曲線圖
        • Certificate 通過ISO 9001、ISO 13485質量體系認證

        特異性

        本試劑盒用于檢測血小板因子4(PF4),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血小板因子4(PF4)(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) 95-105 101
        EDTA plasma(n=5) 86-93 90
        heparin plasma(n=5) 78-97 86

        精密度

        精密度用樣品測定值的變異系數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血小板因子4(PF4),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血小板因子4(PF4)含量的測定值與理論值的比率。

        樣本 1:2 1:4 1:8 1:16
        serum(n=5) 89-103% 84-93% 80-96% 93-101%
        EDTA plasma(n=5) 86-93% 80-93% 83-101% 79-98%
        heparin plasma(n=5) 84-98% 93-101% 82-101% 93-101%

        穩定性

        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3次;
        5. 加檢測溶液B100µL,37°C孵育30分鐘;
        6. 洗板5次;
        7. 加TMB底物90µL,37°C孵育10-20分鐘;
        8. 加終止液50µL,立即450nm讀數。

        實驗原理

        將血小板因子4(PF4)抗體包被于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,其中的血小板因子4(PF4)與連接于固相載體上的抗體結合,然后加入生物素化的血小板因子4(PF4)抗體,將未結合的生物素化抗體洗凈后,加入HRP標記的親和素,再次徹底洗滌后加入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血小板因子4(PF4)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。

        相關產品

        編號 適用物種:Mus musculus (Mouse,小鼠) 應用(僅供研究使用,不用于臨床診斷!)
        APA172Mu01 血小板因子4(PF4)活性蛋白 Cell?culture;?Activity?Assays.
        RPA172Mu01 血小板因子4(PF4)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
        RPA172Mu02 血小板因子4(PF4)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
        PAA172Mu01 血小板因子4(PF4)多克隆抗體 WB; IHC; ICC; IP.
        PAA172Mu02 血小板因子4(PF4)多克隆抗體 WB; IHC; ICC; IP.
        LAA172Mu71 血小板因子4(PF4)多克隆抗體(生物素標記) WB; IHC; ICC.
        LAA172Mu81 血小板因子4(PF4)多克隆抗體(異硫氰酸熒光素標記) WB; IHC; ICC; IF.
        SEA172Mu 血小板因子4(PF4)檢測試劑盒(酶聯免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
        SCA172Mu 血小板因子4(PF4)檢測試劑盒(化學發光免疫分析法) Chemiluminescent immunoassay for Antigen Detection.
        LMA172Mu 血小板因子4(PF4)單因子檢測試劑盒(流式熒光發光法) Magnetic Luminex Assay for Antigen Detection.
        KSA172Mu01 血小板因子4(PF4)檢測試劑盒DIY材料(酶聯免疫吸附試驗法) Main materials for "Do It (ELISA Kit) Yourself".

        參考文獻

        雜志 參考文獻
        Biochimica et Biophysica Acta (BBA) - Proteins & Proteomics Propofol lowers serum PF4 level and partially corrects hypercoagulopathy in endotoxemic rats [PubMed: 20601223]
        Basic Research in Cardiology Secretome of apoptotic peripheral blood cells (APOSEC) attenuates microvascular obstruction in a porcine closed chest reperfused acute myocardial infarction model: role of platelet aggregation and vasodilation [PubMed: 22899170]
        PLoS One Platelets Recognize Brain-Specific Glycolipid Structures, Respond to Neurovascular Damage and Promote Neuroinflammation [PubMed: PMC3608633]
        Diving and Hyperbaric Medicine Effect of splenectomy on platelet activation and decompression sickness outcome in a rat model of decompression [Pubmed:25311322]
        Journal of Functional Foods A?Phellinus baumii–based supplement containing?Salvia miltiorrhiza?Bunge improves atherothrombotic profiles through endothelial nitric oxide synthase and cyclooxygenase pathwaysin vitro?and?in vivo [science:S1756464616300676]
        Plos one Aspirin, but Not Tirofiban Displays Protective Effects in Endotoxin Induced Lung Injury [pubmed:27583400]
        international journal of molecular sciences Evidence of the Role of R-Spondin 1 and Its Receptor Lgr4 in the Transmission of Mechanical Stimuli to Biological Signals for Bone Formation. [pubmed:28272338]
        Experimental?and?Therapeutic?Medicine Feasibility of improving platelet?rich plasma therapy by using chitosan with high platelet activation ability [pubmed:28450960]
        Reproductive Toxicology Aspirin pre-treatment modulates ozone-induced fetal growth restriction and alterations in uterine blood flow in rats [Pubmed: 30528429]
        INTERNATIONAL JOURNAL OF CARDIOLOGY Short and long-term changes in platelet and inflammatory biomarkers after cryoballoon and radiofrequency ablation [Pubmed: 30857843]
        Available at SSRN 3335365? Evaluating the Platelet Activation Related to the Degradation of Biomaterials by Scheme of Molecular Markers []
        journal of biotechnology Newly Identified HNP‐F from Human Neutrophil Peptide 1 Promotes Hemostasis [Pubmed: 30927490]
        Data in Brief Data for short and long-term prothrombotic biomarkers after cryoballoon and radiofrequency ablation []
        journal of thoracic and cardiovascular surgery Evaluating Platelet Activation Related to the Degradation of Biomaterials Using Molecular Markers [Pubmed: 32812629]
        Marine Drugs The Inhibitory Effect of Protamine on Platelets is Attenuated by Heparin without Inducing Thrombocytopenia in Rodents [Pubmed: 31533230]
        Thrombosis Research Feasibility study of use of rabbit blood to evaluate platelet activation by medical devices [Pubmed: 31838449]
        Nat Commun The C5a/C5a receptor 1 axis controls tissue neovascularization through CXCL4 release from platelets [34099640]
        Vaccine The effect of ChAdOx1 nCov-19 vaccine on arterial thrombosis development and platelet aggregation in female rats [Pubmed:35183388]
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