In collaboration with Payame Noor University and Iranian Chemical Science and Technologies Association
A Multi-Residue Method for Simultaneous Determination of 42 Pesticides in Rice Using QuEChERS Sample Preparation Procedure and Gas Chromatography Mass Spectrometry

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

Volume 10, Issue 2 , September 2023, Pages 1-13

  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

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

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

Volume 10, Issue 2 , September 2023, Pages 22-35

  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

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

Volume 10, Issue 2 , September 2023, Pages 36-43

  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

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

Maryam Omidvar Motlagh; Zarrin Eshaghi; Hasan Ali Hosseini

Volume 10, Issue 2 , September 2023, Pages 44-60

  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

Mechanically produced Hazelnut Skin Micro and Nano Biosorbents for the Fast Removal of Lead Ions from Polluted Waters

Hassan Karami; Seyyed Kazem Kazemi

Volume 10, Issue 2 , September 2023, Pages 61-71

  The work is a feasible study about the performance of woody skin and outer soft shell of Hazelnut for the removal of lead ions from water. The Hazelnut woody skin and soft outer shell are crushed by an innovative ball mill to prepare micro and nano powders. TEM images show that the produced nano powder ...  Read More

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

Mina Akbarpour; Azizollah Nezhadali

Volume 10, Issue 2 , September 2023, Pages 72-78

  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

Design and Developed Novel and Ultrasensitive Chemosensor for Sequential Determination of Arginine and Glutathione Amino Acids

Hossein Tavalali; Abolfath Parhami; Mohammad Ali Karimi; Jamshid Askari

Volume 10, Issue 2 , September 2023, Pages 79-96

  In this study, a novel mixed ligand (Dithizone-Co(II)-Alizarin red S: DTZ-Co-ALR-) ensemble is designed and developed ultra-sensitive, and highly selective to UV-Vis absorption and for naked-eye detection of Arginine (Arg), and Glutathione (GSH). The out coming high sensitivity and selectivity for new ...  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

Volume 10, Issue 2 , September 2023, Pages 97-105

  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

Fabrication of Cellulose Acetate/Iron Oxide Electrospun Nanocomposite as a New Sorbent for Removal of Arsenic from Aqueous Solution

Maryam Akhondi; Daryoush Afzali; Ali Mostafavi

Volume 10, Issue 2 , September 2023, Pages 106-113

  In this study, iron oxide/cellulose acetate nanocomposite was prepared by electrospinning method and its performance was evaluated for removal of arsenic. Here, oleic acid coated magnetite nanoparticle was synthesized by co-precipitation method and was impregnated in cellulose acetate solution. This ...  Read More

Mechanically Produced Sub-Micro and Nano Powders of Mg and Mg/Carbon Composites as Anode Material of Primary and Secondary Mg-Air Batteries

Hassan Karami; Foroozandeh Taala; Mohammad Ali Karimi; Reza Behjat-Manesh Ardakani

Volume 10, Issue 2 , September 2023, Pages 114-128

  In this work, sub-micro and nanometer sized Mg and Mg/carbon composites as anode materials of Mg-air batteries is prepared by using an innovative rotary ball mill. Characterization of the prepared samples is performed by dynamic light scattering, scanning electron microscopy, transmission electron microscopy ...  Read More

Micronization of Clozapine Particles Using Rapid Expansion of Supercritical Solution with Solid Cosolvent (RESS-SC) Process

Majid Haji Hosseini

Volume 10, Issue 2 , September 2023, Pages 129-137

  The rapid expansion of a supercritical solution (RESS) process has limited commercial applicability due to the extremely low solubility of polar drugs in supercritical CO2 (sc CO2). To overcome this major limitation, a modified process of rapid expansion of supercritical solution with solid cosolvent ...  Read More

Green Synthesis and Characterization of Gold Nanoparticles Using Aqueous Extract of Menthapolegium

Pouran Pourhakkak; Shokoufeh Omidi; Mahdi Yarahmadi

Volume 10, Issue 2 , September 2023, Pages 138-143

  In this research, the results of two existing methods for synthesizing gold nanoparticles, i.e., the green and environment-friendly method and the usual chemical method called Turkovich, were compared and analyzed. In the green method, the extract of the aerial parts of the medicinal plant Mentha pulegium ...  Read More

A Simple, Sensitive and Validated Method with HPLC-DAD For the Simultaneous Determination of Sodium Benzoate and Potassium Sorbate Preservatives in Processed Food

Mahnaz Ghereghlou; Jalil Afshar; Seyed Hossein Mousavi

Volume 10, Issue 2 , September 2023, Pages 144-153

  Measuring preservative concentrations in food is crucial due to their potential health implications. Therefore, it is necessary to develop a reliable and validated analytical method for monitoring. This study focuses on the validation of a simple, sensitive and precise analytical approach using HPLC-DAD ...  Read More

Thiourea as an Additive in Copper Electrorefining Process– a Review

Alireza Mohadesi; Rasool Roohparvar; Nahid Yaghoobi

Volume 10, Issue 2 , September 2023, Pages 154-164

  The use of additives is a standard method in both electrowinning and electrorefining of copper. They have multiple roles in the electrodeposition of copper. They are diffusion barriers and/or complexing agents for copper. In addition, they can perform other important roles as well. Thiourea has been ...  Read More