For quantitatve determination of β -N-Acetylglucosaminidase activity and evaluation of drug modulators. Key Features: Fast and sensitive. Linear detection range (20 µ L sample) : 0.2 to 50 U/L for a 30 minute reaction at 37° C. High-throughput. Homogeneous "mix-incubate-measure" type assay. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: OD405nm. Samples: Urine, serum, plasma, cell lysate, etc. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.2 U/L.