In collaboration with Payame Noor University and Iranian Chemical Science and Technologies Association
Hydrogenation of Carbon Dioxide Using a New Green System of Biogenic ZnO Nanoparticles

Farzaneh Shamsa; Alireza Motavalizadehkakhky; Rahele Zhiani; Jamshid Mehrzad; Malihe Sadat Hosseiny

Volume 10, Issue 2 , September 2023, , Pages 14-21

  Microorganisms create metal nanoparticles (MNPs) after being exposed to toxic metal ions. Nevertheless, the catalytic performance of biosynthesized MNPs has not been investigated in spite of the possibility of utilizing these biological processes in the stable improvement of vital metals (e.g. zinc oxide). ...  Read More

Silica Nanoparticle Hyperbranched Polyglycerolsulfuric Acid: The Chemoselective, Efficient, Green and Reusable Nanocatalyst for the Alcohol Oxidation

Maryam Malekzadeh; Faeze Daneshfar; Seyed Mohsen Sadeghzadeh

Volume 1, Issue 2 , September 2014, , Pages 72-77

  Nano SiO2/hyperbranched polyglycerol (HPG)/SO3H catalyst was readily prepared for first time from inexpensive starting materials in aqueous media which catalyzed the synthesis of benzoic acid. FTIR spectra, X-ray diffraction (XRD) and transmission electron micrographs (TEM) was employed to characterize ...  Read More