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My CartApplication：ELISA
Reactivity：Human
Sample Type：Serum，Plasma，Cell Culture Supernatant
Sensitivity：31.25 pg/ml
Storage：2-8℃，6 months
Gene ID：6280
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| Name | Human S100A9 ELISA Kit |
| Storage | 2-8℃，6 months |
| Detection Target | S100A9 |
| Sample Type | Serum，Plasma，Cell Culture Supernatant |
| Reactivity | Human |
| Application | ELISA |
| Reaction Type | Sandwich-ELISA |
| Quantitative/Qualitative | Quantitative |
| Detection Range | 62.5-4000 pg/ml |
| Sensitivity | 31.25 pg/ml |
| Specificity | Do not react with Human RAGE/FcChimera，S100A4，S100A8，S100A13，TLR4，TLR4/MD-2Complex， Mouse S100A9 etc. |
| Precision | Both intra-plate and inter-plate variation coefficients were less than 10% |
| Recovery | 80%-120% |
| Assay Time | 3.5h |
| Swiss Prot | P06702 |
| Gene ID | 6280 |
| Detection Principle | Solarbio ELISA试剂盒采用基于双抗体夹心法的酶联免疫吸附检测技术。将抗人S100A9单克隆抗体包被在酶标板上；分别加入梯度稀释的标准品和预稀释的样本，标准品和样本中的人S100A9会与酶标板上的包被抗体充分结合；洗板后加入生物素化抗人S100A9抗体，该抗体会与板子上包被抗体捕获的标准品和样本中的人S100A9发生特异性结合；洗板后加入辣根过氧化物酶（HRP）标记的链霉亲和素，生物素与链霉亲和素会发生高强度的非共价结合；洗板后加入显色剂底物TMB，若反应孔中样品存在不同浓度的人S100A9，则HRP会使无色TMB变成不同深浅（正相关）的蓝色物质，加入终止液后反应孔会变成黄色；最后，在λmax=450 nm（OD=450 nm）处测定反应孔样品吸光度（OD），样本中的人S100A9浓度与OD成正比，通过绘制标准曲线和四参数拟合软件便可计算出样本中人S100A9的浓度。 |
| Background | Human S100A9 (also MRP-14，Calgranulin-B，and p14) is a 14 kDa member of the S100 family of EF-hand calcium-binding proteins. It is 114 amino acids (aa) in length and contains short sequential modules. There is an N-terminal helical region，followed by a calcium-binding EF-hand domain，two more helical regions，a second EF-hand domain，and three additional helical regions. S100A9 will noncovalently heterodimerize with S100A8. In the presence of calcium，this heterodimer will form a heterotetramer. S100A9 is expressed in granulocytes，monocytes，and macrophages during acute and chronic inflammation. Human S100A9 shares 62% and 57% aa identity with rat and mouse S100A9，respectively. |
| Unit | Kit |
| Specification | 48T 96T |
Remark：These protocols are for reference only. Solarbio does not independently validate these methods.
Note：
1. The products are all for scientific research use only. Do not use it for medical, clinical diagnosis or treatment, food and cosmetics, etc. Do not store them in ordinary residential areas.
2. For your safety and health, please wear laboratory clothes, disposable gloves and masks.
3. The experimental results may be affected by many factors, after-sale service is limited to the product itself and does not involve other compensation.
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