试剂盒名称:小鼠脑源性神经营养因子 BDNF
Pig Gamma-Aminobutyric Acid (gABA) ELISA
规格: 96T/48T
品牌:BIOFINE
种属:人ELISA试剂盒
检测波长:450nm
所需样本体积: 50-100ul
适用范围:仅供科研
保存及有效期:2-8℃，六个月，-20℃一年
检测目的:用于测定血清，血浆及相关液体小鼠脑源性神经营养因子 BDNF含量。适合检测包括血清、血浆、尿液、胸腹水、灌洗液、脑脊液、细胞培养上清、组织匀浆等标本。
注意事项：1. 当混合蛋白溶液时应尽量轻缓，避免起泡。2. 洗涤过程非常重要，不充分的洗涤易造成假阳性。3. 一次加样时间控制在5分钟内，如标本数量多，*使用排枪加样。4. 请每次测定的同时做标准曲线，做复孔。5. 如标本中待测物质含量过高，请先稀释后再测定，计算时请zui后乘以稀释倍数。6. 在配制标准品、检测溶液工作液时，请以相应的稀释液配制，不能混淆。7. 底物请避光保存。8. 不要用其它生产厂家的试剂替换试剂盒中的试剂。
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.
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