Effect of tilorone dihydrochloride on the changes of transmembrane potential of mitochondrial membranes of the isolated rat hepatocytes has been investigated. Tilorone dihydrochloride is an orally active, interferon-inducing antiviral agent.Tilorone dihydrochloride was used to study the interaction of drμgs with synthetic self-complementary DNA by SPR (Surface Plasmon Resonance). Effect of tilorone dihydrochloride on the changes of transmembrane potential of mitochondrial membranes of the isolated rat hepatocytes has been investigated. Tilorone dihydrochloride is an orally active, interferon-inducing antiviral agent.