ELISA是以免疫学反应为基础，将抗原、抗体体的特异性反应与酶对底物的高效催化作用相结合起来的一种敏感性很高的试验技术。
猪朊病毒蛋白(PRNP)检测盒是北京方程生物公司的优势产品，2017年买猪朊病毒蛋白(PRNP)检测盒送好礼*活动火热进行中......
猪朊病毒蛋白(PRNP)检测盒
Pig Prion Protein (PRNP) ELISA
Enzyme-linked immunosorbent assay (ELISA), also known as an enzyme immunoassay (EIA), is a biochemical technique used mainly in immunology to detect the presence of an antibody or an antigen in a sample. The ELISA has been used as a diagnostic tool in medicine and plant pathology, as well as a quality-control check in various industries. In simple terms, in ELISA, an unknown amount of antigen is affixed to a surface, and then a specific antibody is applied over the surface so that it can bind to the antigen. This antibody is linked to an enzyme, and in the final step a substance is added that the enzyme can convert to some detectable signal, most commonly a colour change in a chemical substrate. Performing an ELISA involves at least one antibody with specificity for a particular antigen. The sample with an unknown amount of antigen is immobilized on a solid support (usually a polystyrene microtiter plate) either non-specifically (via adsorption to the surface) or specifically (via capture by another antibody specific to the same antigen, in a "sandwich" ELISA). After the antigen is immobilized, the detection antibody is added, forming a complex with the antigen. The detection antibody can be covalently linked to an enzyme, or can itself be detected by a secondary antibody that is linked to an enzyme through bioconjugation. Between each step, the plate is typically washed with a mild detergent solution to remove any proteins or antibodies that are not specifically bound. After the final wash step, the plate is developed by adding an enzymatic substrate to produce a visible signal, which indicates the quantity of antigen in the sample. Traditional ELISA typically involves chromogenic reporters and substrates that produce some kind of observable color change to indicate the presence of antigen or analyte. Newer ELISA-like techniques utilize fluorogenic, electrochemiluminescent, and real-time PCR reporters to create quantifiable signals. These new reporters can have various advantages including higher sensitivities and multiplexing.[1][2] In technical terms, newer assays of this type are not strictly ELISAs, as they are not "enzyme-linked" but are instead linked to some non-enzymatic reporter. However, given that the general principles in these assays are largely similar, they are often grouped in the same category as ELISAs.
猪朊病毒蛋白(PRNP)检测盒elisa试剂盒回收率是反应待测物在样品分析过程中的损失的程度，损失越少，回收率越高，如果作标液1PPM，就是1毫克/升，而作出标准数据为0.99毫克/升，就是说你的回收率是99%，这个与真实成分有密切的关系，说明方法的准确度。比如水中总无机氯含量测定，样品水中含有无机氯20mg/L，取100mL被测水样品，加入0.1mL浓度为10mg/mL的含无机氯标准样品，测定时忽略体积变化，如果测定出样品中无机氯为2.98mg/L，则认为回收率为99%。
猪朊病毒蛋白(PRNP)检测盒
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