abstract |
Use of a compound of formula (I) below, as an enzymatic substrate for the detection of a peptidase activity and/or a change in pH: according to which: * Y1 is a peptide, H or an alkyl * W1, W2, W3 and W4 are independently H, Br, Cl, F, I, alkyl, alkoxy, thiomethyl, perfluoroalkyl, nitro, cyano, carboxyl (including esters or amides thereof), or any combination of these * n >= 0, 1 or 2 * U is N or N+R and V is CZ6 N or N+R or V is N or N+R and U is CZ6, * R is H, alkyl, aralkyl, aryl, alkanoic or alkylsulfonic * Z1, Z2, Z3, Z4 and Z5 are independently H, Br, Cl, F, I, alkyl, aryl, alkoxy, perfluoroalkyl, nitro, cyano, carboxyl, sulfonyl, including carboxyl or sulfonyl esters or amides and their salts. |