Detection of 1,4-benzodiazepine derivatives in liver tissues by immunochemical methods

The possibility of using immunochemical methods in general forensic chemical analysis of cadaveric material for narcotics is demonstrated. Conditions of isolation of 1,4-benzodiasepines from tissues and analysis of the resultant tissue extracts by polarization fluoroimmunoassay (PFIA) and solid-phase enzyme immunoassay are described. Time course of concentrations in tissue extracts stored for a long time has been studied by PFIA. Characteristics of Benzodiazepines Serum kits (Abbott) for PFIA of liver extracts are determined.