Cat#:EIA-683C;Product Name:Estradiol ELISA Kit;Size:96 T;Sample:serum and plasma;Synonym:17ß-Estradiol; E2; ethynyl Estradiol; Oestradiol; Estradiol;Background:17ß-Estradiol belongs to the group of natural sexual hormones. The concentration of this hormone in cattle plasma is very low. Calves’ plasma contains ca. 1-2 pg/mL and plasma of adult animals approximately 1-5 pg/mL. Only in plasma of pregnant cows or animals treated illegally with hormones concentrations ranging from 100 to 1000 pg/mL are found. In the EU currently a MRL of 40 pg/mL is valid.;Application:quantitative;Storage:Unopened Kit: Store at 2 - 8°C. Do not use past kit expiration date. Opened/Reconstituted Reagents: TMB Solution A; TMB Solution B; TMB Stop Solution; Wash Buffer; HRP-conjugate antibody The above mentioned reagents should be stored for up to 1 month at 2 - 8°C. Microplate Wells: Return unused wells to the foil pouch containing the desiccant pack, reseal along entire edge of zip-seal. May be stored for up to 1 month at 2 - 8°C.;Usage:For Lab Research Use Only;Detection Principle:Competitive ELISA;