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Cytokeratin 7 is not expressed by epithelial cells of the gastrointestinal tract
This ES (Endostatin) ELISA Kit uses the sandwich-ELISA principle
NELL1 present in the sample is added and binds to antibodies coated on the wells
And then biotinylated Rat CSF2 Antibody is added and binds to CSF2 in the sample
The concentration of Human IgG2 in tested samples can be calculated by comparing the OD of the samples to the standard curve
Human SPHK1 (Sphingosine Kinase 1) ELISA Kit Packaging:96 wells Cytokeratin 7 is not expressedThe Human (SPHK1) Sphingosine Kinase 1 ELISA Kit measures Sphingosine Kinase 1 in samples. The plate has been pre coated with Human SPHK1 antibody. SPHK1 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human SPHK1 Antibody is added and binds to SPHK1 in the sample. Then Streptavidin HRP is added and binds to the Biotinylated SPHK1 antibody. After incubation unbound Streptavidin HRP is washed away
