表面活性物質關聯蛋白A(SFTPA1)檢測試劑盒(酶聯免疫吸附試驗法)
ELISA Kit for Pulmonary Surfactant Associated Protein A1 (SFTPA1)
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
- 編號SEA890Hu
- 物種Homo sapiens (Human,人) 相同的名稱,不同的物種。
- 實驗方法雙抗夾心
- 反應時長3h
- 檢測范圍46.88-3,000pg/mL
- 靈敏度最小可檢測劑量小于等于16.99pg/mL.
- 樣本類型Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 48T96T 96T*5 96T*10 96T*100
- 價格 ¥ 2646 ¥ 3780 ¥ 17010 ¥ 32130 ¥ 264600
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特異性
本試劑盒用于檢測表面活性物質關聯蛋白A(SFTPA1),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表面活性物質關聯蛋白A(SFTPA1)(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) | 96-104 | 101 |
EDTA plasma(n=5) | 98-105 | 101 |
heparin plasma(n=5) | 80-90 | 84 |
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(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表面活性物質關聯蛋白A(SFTPA1),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表面活性物質關聯蛋白A(SFTPA1)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) | 78-91% | 93-105% | 92-101% | 78-91% |
EDTA plasma(n=5) | 96-105% | 92-105% | 95-105% | 80-104% |
heparin plasma(n=5) | 97-105% | 90-97% | 96-105% | 81-101% |
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
將表面活性物質關聯蛋白A(SFTPA1)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,其中的表面活性物質關聯蛋白A(SFTPA1)與連接于固相載體上的抗體結合,然后加入生物素化的表面活性物質關聯蛋白A(SFTPA1)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表面活性物質關聯蛋白A(SFTPA1)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。
增值服務
相關產品
編號 | 適用物種:Homo sapiens (Human,人) | 應用(僅供研究使用,不用于臨床診斷!) |
RPA890Hu01 | 表面活性物質關聯蛋白A(SFTPA1)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
EPA890Hu61 | 表面活性物質關聯蛋白A(SFTPA1)真核蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
RPA890Hu02 | 表面活性物質關聯蛋白A(SFTPA1)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
APA890Hu61 | 表面活性物質關聯蛋白A(SFTPA1)活性蛋白 | Cell?culture;?Activity?Assays. |
PAA890Hu01 | 表面活性物質關聯蛋白A(SFTPA1)多克隆抗體 | WB; IHC; ICC; IP. |
PAA890Hu02 | 表面活性物質關聯蛋白A(SFTPA1)多克隆抗體 | WB; IHC |
LAA890Hu81 | 表面活性物質關聯蛋白A(SFTPA1)多克隆抗體(異硫氰酸熒光素標記) | WB; IHC; ICC; IF. |
LAA890Hu71 | 表面活性物質關聯蛋白A(SFTPA1)多克隆抗體(生物素標記) | WB; IHC; ICC. |
MAA890Hu22 | 表面活性物質關聯蛋白A(SFTPA1)單克隆抗體 | WB; IHC |
MAA890Hu21 | 表面活性物質關聯蛋白A(SFTPA1)單克隆抗體 | WB; IHC; ICC; IP. |
WEA890Hu | 表面活性物質關聯蛋白A(SFTPA1)檢測試劑盒(酶聯免疫吸附試驗法,寬范圍) | Enzyme-linked immunosorbent assay for Antigen Detection. |
SEA890Hu | 表面活性物質關聯蛋白A(SFTPA1)檢測試劑盒(酶聯免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
SCA890Hu | 表面活性物質關聯蛋白A(SFTPA1)檢測試劑盒(化學發(fā)光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
LMA890Hu | 表面活性物質關聯蛋白A(SFTPA1)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
參考文獻
雜志 | 參考文獻 |
The American Journal of Rhinology & Allergy | Surfactant protein A and D in chronic rhinosinusitis with nasal polyposis and corticosteroid response [Ingenta: art00005] |
American Journal of Rhinology & Allergy | Detection of surfactant proteins A, B, C, and D in human nasal mucosa and their regulation in chronic rhinosinusitis with polyps [PubMed: 23406594] |
Plos one | Staphylococcus aureus and Pseudomonas aeruginosa Express and Secrete Human Surfactant Proteins [PubMed: PMC3551896] |
Plos one | The Detection of Surfactant Proteins A, B, C and D in the Human Brain and Their Regulation in Cerebral Infarction, Autoimmune Conditions and Infections of the CNS [PubMed: PMC3787032] |
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] |
PLoS One | The?Cerebral?Surfactant?System?and Its?Alteration?in?HydrocephalicConditions. [pubmed:27656877] |
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] |
American Journal of Physiology. Lung Cellular and Molecular Physiology | Chronic lung injury and impaired pulmonary function in a mouse model of acid ceramidase deficiency. [pubmed:29167126] |
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] |