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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。
小鼠载脂蛋白E Apo-E 代检测是北京方程生物公司的优势产品,2017年买小鼠载脂蛋白E Apo-E 送好礼*活动火热进行中......
小鼠载脂蛋白E Apo-E 代检测
Pig Neuropilin 2 (NRP2) ELISA
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小鼠载脂蛋白E Apo-E ELISA results using S-OIV A neuraminidase antibody at 1 μg/ml to probe the immunogenic and the corresponding seasonal influenza A neuraminidase peptides at 50, 10, 2, and 0 ng/ml. Because the ELISA can be performed to evaluate either the presence of antigen or the presence of antibody in a sample, it is a useful tool for determining serum antibody concentrations (such as with the HIV test[3] or West Nile Virus). It has also found applications in the food industry in detecting potential food allergens such as milk, peanuts, walnuts, almonds, and eggs.[4] ELISA can also be used in toxicology as a rapid presumptive screen for certain classes of drugs. The ELISA was the first screening test widely used for HIV because of its high sensitivity. In an ELISA, a person's serum is diluted 400-fold and applied to a plate to which HIV antigens are attached. If antibodies to HIV are present in the serum, they may bind to these HIV antigens. The plate is then washed to remove all other components of the serum. A specially prepared "secondary antibody" — an antibody that binds to other antibodies — is then applied to the plate, followed by another wash. This secondary antibody is chemically linked in advance to an enzyme. Thus, the plate will contain enzyme in proportion to the amount of secondary antibody bound to the plate. A substrate for the enzyme is applied, and catalysis by the enzyme leads to a change in color or fluorescence. ELISA results are reported as a number; the most controversial aspect of this test is determining the "cut-off" point between a positive and a negative result. A cut-off point may be determined by comparing it with a known standard. If an ELISA test is used for drug screening at workplace, a cut-off concentration, 50 ng/mL, for example, is established, and a sample that contains the standard concentration of analyte will be prepared. Unknowns that generate a signal that is stronger than the known sample are "positive." Those that generate weaker signal are "negative." Doctor Dennis E Bidwell and Alister Voller created the test.
人D-氨基酸氧化酶(DAO)测定盒Human D-Amino Acid Oxidase (DAO) ELISA
人白介素19(IL19)测定盒Human Interleukin 19 (IL19) ELISA
人转录延伸因子A样蛋白3(TCEAL3)测定盒Human Transcription Elongation Factor A Like Protein 3 (TCEAL3) ELISA
猪半*丰富分泌蛋白2(CRISP2)检测盒Pig Cysteine Rich Secretory Protein 2 (CRISP2) ELISA
猪白介素7(IL7)检测盒Pig Interleukin 7 (IL7) ELISA
人分泌性白细胞蛋白酶抑制因子(SLPI)测定盒Human Secretory Leukocyte Peptidase Inhibitor (SLPI) ELISA
人白介素33(IL33)测定盒Human Interleukin 33 (IL33) ELISA
人B-淋巴细胞趋化因子1(BLC1)测定盒Human B-Lymphocyte Chemoattractant 1 (BLC1) ELISA
人肾母细胞瘤蛋白1(WT1)测定盒Human Wilms Tumor Protein (WT1) ELISA
猪补体因子D(CFD)检测盒Pig Complement Factor D (CFD) ELISA
猪PRMT5协同因子(COPR5)检测盒Pig Cooperator Of PRMT5 (COPR5) ELISA
猪信号素3C(SEMA3C)检测盒Pig Semaphorin 3C (SEMA3C) ELISA