Used in research and diagnostic applications to specifically detect and inhibit Matrix Metalloproteinase-9 (MMP-9), an enzyme involved in tissue remodeling, inflammation, and cancer progression. This antibody serves as a reference standard in immunoassays, Western blotting, and immunohistochemistry to quantify MMP-9 expression in biological samples. It is also employed in therapeutic development to neutralize MMP-9 activity in disease models such as multiple sclerosis, rheumatoid arthritis, and metastatic cancers. Due to its high specificity and well-characterized binding properties, it is widely used in preclinical studies and assay validation.