Human MMP-9 Activity Assay Human MMP-9 Activity Assay specifications Measures endogenous active MMP-9 (naturally occurring) or total active MMP-9 (following activation with APMA). Samples: conditioned cell culture medium, serum, plasma, urine, synovial fluid and tissue homogenates. Quantitative. Range: 0.5 to 16 ng/ml (1 h incubation with detection reagent), 0.01-1 ng/ml (4 h incubation with detection reagent). Sensitivity: 0.005 ng/ml. Ease-of-use: Equivalent to ELISA. Overnight protocol. Store at -15 to -30°C规格：Kit