what is sandwich elisa
Sandwich ELISA Protocol. An Enzyme-linked immunosorbent assay or Sandwich ELISA is a scientific technique used by researchers to detect the presence of an antibody or an antigen in a sample.An ELISA can also be used as a diagnostic tool in medicine.andwich ELISA Protocol. An Enzyme-linked immunosorbent assay or Sandwich ELISA is a scientific technique used by researchers to detect the presence of an antibody or an antigen in a sample.