COMPOSITIONS,TEST DEVICE AND METHOD FOR DETERMINING THE PRESENCE OF LEUKOCYTES,ESTERASE OR PROTEASE IN A TEST SAMPLE

摘要

A composition for determining the presence of leukocytes, esterase or protease in a test sample. The composition comprises an ester having the structure IMAGE in which: A is an N-blocked-amino acid residue or an N-blocked-peptide residue, X is O, S or NR', R is aryl, or lower alkyl, R* is H, or lower alkyl, and R' is H, lower alkyl or aryl; and a suitable buffer substance.