胃泌素釋放多肽（GRP）價格

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北京方程嘉鴻科技有限公司

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北京方程生物公司經(jīng)營銷售胃泌素釋放多肽（GRP）ELISA試劑盒，可以提供免費代測，送檢贈京東卡活動正在進行中，詳情咨詢銷售人員

詳細介紹

Protein S

試劑盒名稱:胃泌素釋放多肽(GRP)ELISA試劑盒

英文名：Human Protein S

品牌:BIOFINE
種屬:大鼠ELISA試劑盒
檢測波長:450nm
所需樣本體積: 50-100ul
適用范圍:僅供科研
保存及有效期:2-8℃，六個月，-20℃一年
檢測目的:用于測定血清，血漿及相關液體胃泌素釋放多肽(GRP)含量。適合檢測包括血清、血漿、尿液、胸腹水、灌洗液、腦脊液、細胞培養(yǎng)上清、組織勻漿等標本。

ELISA實驗小知識：ELISA檢測試劑盒標本的稀釋原則：首先通過文獻檢索的方式了解待測樣本的大致含量，確定適當?shù)南♂尡稊?shù)。只有稀釋至標準曲線的范圍內(nèi)，檢測的結果才是準確的。稀釋的過程中，應做好詳細的記錄。zui后計算濃度時，稀釋了“N"倍，標本的濃度應再乘以“N"。

胃泌素釋放多肽(GRP)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.

胃泌素釋放多肽(GRP)價格

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淋巴細胞功能相關抗原3(LFA-3/CD58)

血管內(nèi)皮細胞生長因子(VEGF)

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