In the world of molecular biology and biomedical research, antibody-horseradish peroxidase (HRP) conjugates have emerged as indispensable tools for various applications, including immunoassays, immunohistochemistry, and Western blotting. To appreciate their significance fully, one must delve into the chemistry of the peroxidase reaction that powers these conjugates. In this blog post, we’ll explore HRP chemistry, shedding light on the catalytic process that makes antibody-HRP conjugates invaluable in the laboratory.