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表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Pulmonary Surfactant Associated Protein A1 (SFTPA1) ,etc. by FLIA (Flow Luminescence Immunoassay)

PRL; SFTPA; PSAP; PSPA; SFTP; SPA; COLEC4; PSP-A; SFTP1; SFTPA1B; SP-A1; Collectin-4; Alveolar proteinosis protein; 35 kDa pulmonary surfactant-associated protein; Surfactant Associated Protein A

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

  • 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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)
  • 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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(guò)ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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(wú)明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來(lái)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表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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) 97-105 102
EDTA plasma(n=5) 90-104 101
heparin plasma(n=5) 78-105 102

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)加入適量的表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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) 78-91% 92-105% 94-102% 92-101%
EDTA plasma(n=5) 83-94% 78-88% 95-103% 80-98%
heparin plasma(n=5) 92-101% 85-93% 78-88% 79-98%

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(lái)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

將表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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,其中的表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)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值和樣品中的表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法)呈正相關(guān)。

贈(zèng)品

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編號(hào) 適用物種:Sus scrofa; Porcine (Pig,豬) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
RPA890Po01 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
PAA890Po01 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)多克隆抗體 WB; IHC; ICC; IP.
MAA890Po21 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)單克隆抗體 WB; IHC; ICC; IP.
SEA890Po 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMA890Po 表面活性物質(zhì)關(guān)聯(lián)蛋白A(SFTPA1)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.

參考文獻(xiàn)

雜志 參考文獻(xiàn)
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Plos one Staphylococcus aureus and Pseudomonas aeruginosa Express and Secrete Human Surfactant Proteins [PubMed: PMC3551896]
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Nachweis und Charakterisierung des Oberfl?chenproteins PLUNC (Palate, Lung and Nasal Clone Protein) an der Augenoberfl?che und Bedeutung für das Trockene Auge [Opus4:Source]
Mol Med Rep Expression of surfactant protein-A in exhaled breath condensate of patients with chronic obstructive pulmonary disease [PubMed: 26707652]
Plos One Serum Levels of Surfactant Proteins in Patients with Combined Pulmonary Fibrosis and Emphysema (CPFE) [Pubmed:27337142]
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Frontiers in Aging Neuroscience Correlations?of?Ventricular?Enlargement?with?Rheologically?Active?SurfactantProteins?in?Cerebrospinal?Fluid. [pubmed:28101052]
Frontiers in?Aging?Neuroscience Correlations of Ventricular Enlargement with Rheologically Active Surfactant Proteins in Cerebrospinal Fluid [PMC5209370]
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Molecular biosystems Metabolic profiling of asthma in mice and the interventional effects of SPA using liquid chromatography and Q-TOF mass spectrometry [pubmed:28463380]
PLoS One Evaluation of surfactant proteins A, B, C, and D in articular cartilage, synovial membrane and synovial fluid of healthy as well as patients with osteoarthritis and?… [Pubmed: 30235245]
PLOS ONE Organic barn dust inhibits surfactant protein D production through protein kinase-c alpha dependent increase of GPR116 [Pubmed: 30543664]
Molecular Neurobiology Elevated levels of multifunctional surfactant proteins in cerebrospinal fluid are associated with signs of increased cerebrospinal fluid flow in cranial magnetic?… [Doi: 10.1007/s12035-017-0835-5]
Molecular Neurobiology Rheologically Essential Surfactant Proteins of the CSF Interacting with Periventricular White Matter Changes in Hydrocephalus Patients–Implications for CSF?… [Doi: 10.1007/s12035-019-01648-z]
Antioxidants (Basel) Oxidative Stress and Inflammatory Mediators in Exhaled Breath Condensate of Patients with Pulmonary Tuberculosis. A Pilot Study with a Biomarker Perspective [34679707]
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