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上海笃玛生物科技有限公司
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ELISA
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人
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血清、血浆、尿液、胸腹水、脑脊液、细胞培养上清、组织匀浆等
48T/96T
规格: | 48T | 产品价格: | ¥1080.0 |
---|---|---|---|
规格: | 96T | 产品价格: | ¥1896.0 |
人chemerin ELISA试剂盒
保存条件及有效期:
1.试剂盒保存:2-8℃。
2.有效期:6个月
实验原理
1. 抗原抗体反应
ELISA试剂盒中的抗原或抗体被固定在固相载体上,当加入待测样本时,样本中的抗原或抗体与固相载体上的抗原或抗体发生反应,形成抗原抗体复合物。
2. 酶标记物的结合
将酶标记物与特异性抗体或抗原结合,形成酶标记抗体或抗原。酶标记物在反应中起到催化作用,加速反应进程,提高检测灵敏度。
3. 酶促反应
在酶标记物与抗原抗体复合物结合后,加入底物溶液,底物在酶的催化下发生氧化还原反应,产生颜色变化。颜色深浅与待测样本中的抗原或抗体浓度成正比。
4. 吸光度检测
将反应体系中的吸光度进行测量,通过比较标准品溶液与待测样本溶液的吸光度值,即可计算出待测样本中的抗原或抗体浓度。
ELISA试剂盒的作用
ELISA试剂盒是一种用于体外定性检测人血清或血浆中的特定抗体的试剂盒,例如抗人类戊型肝炎(HEV)病毒IgM抗体ELISA检测试剂盒。
ELISA试剂盒基于抗原抗体之间的特异结合反应,以前用于免疫测定的抗原通常为各种纯化抗原,而抗体则为纯化抗原免疫动物后获得的多克隆抗体和使用杂交瘤技术得到的单克隆抗体,而抗原或抗体的标记物如酶标结合物则通过各种化学合成方法制备。
ELISA试剂盒具有灵敏度高、特异性好、操作简便、安全、快速等优点,可以用于检测类风湿因子、病毒、细菌等,在临床诊断、科研和生物制品检测等领域具有广泛的应用。
实验步骤
1. 抗原包被:将抗原溶液加入到酶标板孔中,包被抗原,使其在孔底形成一层薄膜。
2. 清洗:清洗酶标板,去除未结合的抗原和其他杂质。
3. 阻断:加入阻断液,封闭酶标板孔中的非特异性结合位点,以减少非特异性结合。
4. 清洗:清洗酶标板,去除未结合的阻断液和其他杂质。
5. 加样:加入待测样本,使其与抗原发生特异性结合。
6. 清洗:清洗酶标板,去除未结合的样本和其他杂质。
7. 加酶标抗体:加入酶标记的抗体,使其与特异性结合的样本中的待测物质发生反应。
8. 清洗:清洗酶标板,去除未结合的酶标抗体和其他杂质。
9. 显色反应:加入底物溶液,发生酶催化反应,产生有色产物。
10. 终止反应:加入终止液,停止酶催化反应。
11. 检测:用酶标仪测定各孔的光密度值,记录数据。
结果分析
根据试剂盒提供的标准品浓度及对应的OD值,利用标准品绘制的标准曲线,计算待测样品的浓度。一般采用拟合曲线法或直线回归法进行数据处理,通过计算得到待测样品的浓度。
注意事项
1. 试剂盒保存于2-8℃,切勿反复冻融或长时间保存于室温。
2. 实验前确保所有试剂均已恢复至室温。
3. 加样时注意避免产生气泡。
4. 洗涤时要保证充分洗涤,避免残留物影响实验结果。
5. 底物溶液应避光保存,避免长时间暴露于空气中。
6. 酶标仪应使用450nm波长进行读数,其他波长可能导致误差。
7. 本试剂盒仅用于科研实验和诊断参考,不适用于临床诊断和治疗。
公司简介
上海笃玛生物科技有限公司是一家国内合资集科研和生产为一体的专业化生物公司。专业提供各类进口品牌,研发生产ELISA试剂盒、细胞株、抗体、耗材、培养基等产品,并提供实验外包,技术指导,操作指导,代做实验,代做课题等技术服务。公司拥有研发团队、研发平台及现代化的生产基地,生产各类科研用的产品。 我们由衷的感谢海内外科学家、感谢国内外广大科研工作者、学者予以我们鼎力的支持和理解,我们将在未来的工作中,百尺竿头,发挥优势,勇于开拓、自主创新、敢为人先、锲而不舍,在生命科学的道路上,不断进取,奋发努力,瞄准国际生命科学的前沿,不断创新研发新产品。为科研工作提供更好、更人性化的服务。
(Shanghai Duoma Biotechnology Co. , Ltd is a domestic joint venture integrating scientific research and production as one of the specialized biological companies. We specialize in providing various imported brands, R&D and production of ELISA kits, cell strains, antibodies, consumables, culture media and other products, as well as technical services such as experimental outsourcing, technical guidance, operation guidance, experimentation and research. The company has a world-class R&D team, leading technology, cutting-edge R&D platform and modern production base to produce various scientific research products. We are sincerely grateful to scientists at home and abroad, scientific researchers and scholars at home and abroad for their strong support and understanding. In the future work, we will give full play to our advantages, dare to pioneer, independently innovate, dare to be pioneering and persevere, keep forging ahead on the road of life science, strive hard, aim at the frontier of international life science, and continuously innovate and develop new products. Provide better and more humanized services for scientific research.)
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DM-Sh45365 | 绵羊胰岛素样生长因子结合蛋白1(IGFBP-1)酶联免疫试剂盒 | Sheep IGFBP-1 (Insulin Like Growth Factor Binding Protein 1) ELISA Kit |
DM-Sh45366 | 绵羊嗜中性粒细胞防御素α1(DEFα1)酶联免疫试剂盒 | Sheep DEFα1 (Defensin Alpha 1, Neutrophil) ELISA Kit |
DM-Sh45367 | 绵羊血小板衍生生长因子亚基A(PDGFA)酶联免疫试剂盒 | Sheep PDGFA (Platelet Derived Growth Factor Subunit A ) ELISA Kit |
DM-Sh45368 | 绵羊X型胶原(COL10)酶联免疫试剂盒 | Sheep COL10 (Collagen Type X) ELISA Kit |
DM-Sh45369 | 绵羊淋巴毒素α(LTA)酶联免疫试剂盒 | Sheep LTA (Lymphotoxin α)ELISA Kit |
DM-Sh45370 | 绵羊线粒体肌酸激酶1B(CKMT1B)酶联免疫试剂盒 | Sheep CKMT1B (Creatine Kinase, Mitochondrial 1B ) ELISA Kit |
DM-Sh45371 | 绵羊髓分化因子88(MYD88)酶联免疫试剂盒 | Sheep MYD88 (Myeloid Differentiation Factor 88) ELISA Kit |
DM-Sh45372 | 绵羊蛋白激酶Bγ(PKBG)酶联免疫试剂盒 | Sheep PKBG (Protein Kinase B Gamma) ELISA Kit |
DM-Sh45373 | 绵羊凋亡诱导因子(AIF)酶联免疫试剂盒 | Sheep AIF (Apoptosis Inducing Factor) ELISA Kit |
DM-Sh45374 | 绵羊细胞粘附蛋白1(CYTH1)酶联免疫试剂盒 | Sheep CYTH1 (Cytohesin 1) ELISA Kit |
DM-Sh45375 | 绵羊膀胱肿瘤抗原(BTA)酶联免疫试剂盒 | Sheep BTA (Bladder Tumor Antigen) ELISA Kit |
DM-Sh45376 | 绵羊补体成分3a(C3a)酶联免疫试剂盒 | Sheep C3a (Complement Component 3a) ELISA Kit |
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