Aware of the world-wide concern about the dapsone monotherapy problem, the National TB-Leprosy Programme (NTLP) has gradually introduced the multiple drug (MDT) treatment of leprosy in its activities . The programme as most of the delegates will recall started in July 1 977, and 3 years later MDT was started in some patients thought to be resistant to dapsone . Since then, the number of patient...

A durable nitroxide radical combined with a triarylamine moiety exhibited a hole-drift mobility of 6 x 10(-3) cm(2) V(-1) s(-1), to which the aminophenyl nitroxide structure contributed.