1. ADSORPTION OF AMMONIUM IONS ONTO MULTI-WALLED CARBON NANOTUBES. Authors: MALLIKARJUNA N. NADAGOUDA, ZEYNAB ABBASI, GOMAA A. M. ALI, HAMIDREZA SADEGH.2. PREPARATION OF Mg-DOPED TiO2 NANOPARTICLES FOR PHOTOCATALYTIC DEGRADATION OF SOME ORGANIC POLLUTANTS. Authors: VINOD KUMAR GUPTA, KWOK FENG CHONG, GOMAA A. M. ALI, SHILPI AGARWAL, DEEPAK PATHANIA, MASOUD GIAHI.