Is a specific protein present in my sample, and how much?

Detecting and quantifying a specific protein in solution using antibody-based capture and a measurable readout.

References

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