"Synthesis, characterization and analytical applications of Aluminum oxide / polyaniline nanocomposite" Utility of a novel optical sensor design for ultra-trace detection of chromium colorimetrically in real environmental samples Facile Fabrication of Nano-sized SiO 2 by an Improved Sol-Gel Route: As an Adsorbent for Enhanced Removal of Cd(II) and Pb(II) Ions Quantification of silver in several samples using a new ionophore polymer membrane as an optical sensor Removal of Malachite Green Dye from Aqueous Solutions by an Efficient Nanosized NiO Fabricated by a Facile Sol-Gel Autocombustion Utilization of a plasticized PVC optical sensor for the selective and efficient detection of cobalt(II)in environmental samples Utility of 5-(2 ′ ,4 ′ -dimethylphenylazo)-6-hydroxy-pyrimidine-2,4-dione in PVC membrane for a novel green optical chemical sensor to detect zinc ion in environmental samples A novel sensor for the selective monitoring of trace ytterbium ions using an agarose-based optical membrane The Impact of Ultrasonication on SDS‑stabilized Silver Nanoparticles as a Probe for Trace Determination of Diaveridine The Impact of Ultrasonication on SDS‑stabilized Silver Nanoparticles as a Probe for Trace Determination of Diaveridine