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

Articles in Press, Accepted Manuscript, Available Online from 13 July 2023

  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

A Multi-Residue Method for Simultaneous Determination of 42 Pesticides in Rice Using QuEChERS Sample Preparation Procedure and Gas Chromatography Mass Spectrometry

Setareh Zakeri-Shahvari; Hamidreza Zare-mehrjardi; Mehdi Taghdiri

Articles in Press, Accepted Manuscript, Available Online from 23 July 2023

  The principle of this research is based on the development of multi-residue method by QuEChERS sample preparation follow by gas chromatography with mass spectrometric detection in the selected ion monitoring mode (GC–MS-SIM) for the routine analysis of 42 pesticides in rice samples. The rice samples ...  Read More

Separation and Preconcentration of Trace Amounts of Lead Ion by Coacervative Extraction Method and Determination by Flame Atomic Absorption Spectroscopy

Reyhaneh Rahnama; Atena Shabani Afroozi; Mohammad Reza Jamali

Articles in Press, Accepted Manuscript, Available Online from 10 October 2023

  In the present work, an efficient method was developed for the determination of lead in natural water samples. In this method, lead was extracted by octanoic acid reverse micelles (bulk phase) and measured by flame atomic absorption spectroscopy (FAAS). Ligand 1-(2-Pyridylazo)-2-naphthol was used as ...  Read More

Comparative Study on Ability of Some Magnetic Nanocompounds of Fe3O4, Fe3O4/Polystyrene and Fe3O4/Polyaniline to Remove of Methyl Orange from Aqueous Solutions

Robab Mohammadi; Bakhshali Massoumi; Amin Mashayekhi

Articles in Press, Accepted Manuscript, Available Online from 15 October 2023

  In this research, Fe3O4, Fe3O4/polystyrene and Fe3O4/polyaniline nanocompounds were prepared and compared on the removal of methyl orange from aqueous solutions. The chemical structures of the synthesized compounds were studied using FT-IR. The crystalline phase of Fe3O4, Fe3O4/polystyrene and Fe3O4/polyaniline ...  Read More

Eco-Friendly Adsorptive Removal of Chromium From Water and Wastewater by Nano Sodium Bentonite

maryam omidvar motlagh; Zarrin Eshaghi; Hasan Ali Hosseini

Articles in Press, Accepted Manuscript, Available Online from 17 October 2023

  Contamination of water sources with chromium has become a pervasive global problem due to its wide use in industry. In this research, low-cost commercial sodium bentonite and synthesized nano bentonite were used to remove chromium ions from aqueous solutions along with electro thermal atomic absorption ...  Read More

Aroma Profiles Study in Ocimum Sanctum L. During Plant Growth Using Head-Space Solid-Phase Microextraction

Azizollah Nejadali; Mina Akbarpour

Articles in Press, Accepted Manuscript, Available Online from 16 December 2023

  A head space solid-phase microextraction (HS-SPME) method coupled to gas chromatography/mass spectrometry (GC/MS) has been developed and applied for profiling of volatile compounds released from Ocimum sanctum L.  during plant growth. Three types of different SPME fibers including polydimethylsiloxane ...  Read More

The Role of a Semiconductor Chalcogenide in a Label-Free Aptasensor for Detection of Ultra-Trace amounts of Aflatoxin B1 in Wheat Flour

Amirkhosro Beheshti; Sayed Zia Mohammadi; Mahdokht Arjmand Kermani; Tahereh Rohani

Articles in Press, Accepted Manuscript, Available Online from 15 January 2024

  Addressed herein, Bismuth sulfide (Bi2S3) as a synthetic semiconductor chalcogenide applied in fabrication process of an aptasensor as a signal promoter for ultra-trace detection of aflatoxin B1(AFB1). The analytical signal was improved by using optimized amounts of Bi2S3 for electrode modification. ...  Read More