1. HORSERADISH PEROXIDASE - CATALYZED OXIDATION OF WATER - INSOLUBLE PHENOTHIAZINES. Authors: RADU SILAGHI-DUMITRESCU, S. AMTHOR, C. PAIZS, C. MAJDIK, M. TOŞA, PAULA MOLDOVAN, A. SAS, L. TAMAS, FLORIN-DAN IRIMIE.2. BIOTRANSFORMATION OF NITROSO NAPHTOLS BIOASSISTED BY BAKER''S YEAST. Authors: RADU SILAGHI-DUMITRESCU, CS. PAISZ, FLORIN-DAN IRIMIE, FR. JOO, C. MAJDIK, M. TOŞA.