WATER’S HYDROGEN BONDING WITH TWO CHOLIC ACID RESIDUESSYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF MANNICH BASE METAL COMPLEXESHIGHER PERFORMANCE METHODS FOR HIGH-TEMPERATURE PROTON EXCHANGE MEMBRANE FUEL CELLSSYNTHESIS AND BIOLOGICAL ACTIVITY STUDY OF NEW SCHIFF AND MANNICH BASE LIGANDS DERIVED FROM ISATIN AND 3- AMINO-1,2,4 -TRIAZOLE AND THEIR METAL COMPLEXESMAGNETIZED DEXTRIN ECO-FRIENDLY NANOCATALYST SYNTHESIZES DIHYDROPYRANO[2,3-C]PYRAZOLE DERIVATIVES.SOLIDSTATE RELAY INRUSH CURRENT LIMITER WITH OVER VOLTAGE AND UNDER VOLTAGE PROTECTION FOR SMALL LOADSBIOMEDICAL IMPORTANCE OF INDOLESSOLAR RED SENSORLESS BLDC MOTOR DRIVE FOR WATER PUMPSYNTHESIS, CHARACTERIZATION, ANTI-MICROBIAL, ANTI-CANCER, AND ANTI-OXIDANT ACTIVITY OF NOVEL 1-(NAPHTHALEIN 2-YL OXY) (PHENYL)(METHYL) THIOUREA MANNICH BASE AND ITS METAL COMPLEXESANNEALING EFFECT ON PHOTOCATALYTIC ACTIVITY OF ZNO NANO STRUCTURES FOR ORGANIC DYE DEGRADATION.