Enzyme-Linked Colorimetric Detection

How linking an enzyme to a detection antibody converts a captured antibody-antigen pair into an amplified, measurable color signal.

References

• Engvall, E., Perlmann, P. "Enzyme-Linked Immunosorbent Assay (ELISA): Quantitative Assay of Immunoglobulin G." Immunochemistry 8, no. 9 (1971): 871–874.