Application of Non-bilinear Voltammetric Data for the First-Order Excellence in Simultaneous Determination of Ascorbic Acid, Uric Acid, Acetaminophen and Noradrenalin in Interfering Media

Ghobad Mansori; Mohammad_Bagher - Gholivand; Zarrin - Es'haghi

Volume 9, Issue 1 , March 2022, Pages 1-14

https://doi.org/10.30473/ijac.2022.62555.1221

Abstract
  For the first time, an analytical methodology based ondifferential pulse voltammetry (DPV) at a glassy carbon electrode (GCE) assisted by two multivariate calibration (MVC) models including back propagation-artificial neural network (BP-ANN), non-linear class, and partial least squares-1 (PLS-1), classical ...  Read More

Synthesis, Characterization, Antioxidant and ctDNA -Binding Activity of Bi(III)-Quercetin Complex: Multispectral Analysis

Masoomeh Shaghaghi; Gholamreza Dehghan; Fatemeh Khajevand

Volume 9, Issue 1 , March 2022, Pages 15-26

https://doi.org/10.30473/ijac.2022.62686.1224

Abstract
  Chelation therapy has been used to remove toxic metals from the body for a long time. Flavonoids such as quercetin (QUR), a well-known protective antioxidant and free radical scavenger, can bind to metal cations and protect our bodies from toxic metals. In the current study, we used UV–Vis, 1HNMR, ...  Read More

Curcuma Zedoaria Extract as a Novel Corrosion Inhibitor for Mild Steel in 0.5 M H2SO4

Nasrin Soltani; Nahid Tavakkoli; Maryam Khayatkashani; Elham Eslami

Volume 9, Issue 1 , March 2022, Pages 27-39

https://doi.org/10.30473/ijac.2022.63029.1226

Abstract
  In this study, curcuma zedoaria extract was investigated as a mild steel (MS) corrosion inhibitor in 0.5 M H2SO4 solution by conventional methods of weight loss (WL), electrochemical impedance spectroscopy (EIS) and polarization at 25 °C. The highest percentage of inhibition was obtained for the ...  Read More

Determination of Acid Dissociation Constant of Bromocresol Green, Phenolphtalein and Methyl Orange by a Novel Program in MATLAB Software and Changing Color of pH Paper

Gohar Deilamy-Rad; Parisa Hossein-Khezri,; Pegah Pykarimah; Leila Elyasi

Volume 9, Issue 1 , March 2022, Pages 40-49

https://doi.org/10.30473/ijac.2022.63580.1232

Abstract
  In this study, the acid dissociation constants (pKa) of three indicators, bromocresol green, phenolphthalein and methyl orange, were determined by scanning the solution of indicators and deposited pH paper in these solutions (in each step of color-changing solution) and then chemometrics method. These ...  Read More

DFT Investigation for Better Efficiency of Fuel Cells in Presence of Nitrogen Containing Graphene sheets as Catalysts

Marjan Rafiee; Parvane Amini; Shahla Mozaffari; Juliet Ordukhanian

Volume 9, Issue 1 , March 2022, Pages 50-55

https://doi.org/10.30473/ijac.2022.63047.1227

Abstract
  Fuel cells can directly convert chemical energy into electric energy with high conversion efficiency and no pollution. Among many factors affecting the chemical-electrical energy conversion, oxygen reduction reaction (ORR) on cathode is the pivot in fuel cell. This reaction is a kinetically slow process, ...  Read More

Determination of Free Amino Acids in Fertilizer Samples by Switchable Hydrophilic Solvent-Based Extraction (SHSE) Followed by HPLC-UV

Kobra Sadat Hasheminasab; Karim Shahbazi

Volume 9, Issue 1 , March 2022, Pages 56-62

https://doi.org/10.30473/ijac.2022.63614.1233

Abstract
  In the present work, switchable hydrophilic solvent-based extraction (SHSE) followed by high performance liquid chromatography with UV detection (HPLC-UV) was used to determine free amino acids in fertilizer samples. During the phase transformation of SHSE, the organic phase appeared to effectively capture ...  Read More

Carbon Nanotube Reinforced Heterostructure Electrochemical Sensor for the Simultaneous Determination of Morphine and Fentanyl in Biological Samples

Zahra Nazari; Zarrin Eshaghi

Volume 9, Issue 1 , March 2022, Pages 63-77

https://doi.org/10.30473/ijac.2022.63857.1235

Abstract
  In this study, an electrochemical sensor for simultaneous measurement of morphine and fentanyl based on a modified pencil graphite electrode with a semiconductor nanocrystalline structure was developed.The first layer of the sensor has a core of thioglycolic acid-bonded cadmium selenidequantum dot (TGA-CdSe), ...  Read More

Electrochemical Investigation and Voltammetric Determination of Hydrazine Based on Organic Modifier and N-Doped Reduced Graphene Aerogel/ Molybdenum Oxide Nanorods Multilayer Nanocomposite Modified Glassy Carbon Electrode

Mohammad Mazloum-Ardakani; Hamed Arabi; Zahra Alizadeh; Mahnoosh Haghshenas; Fatemeh Farbod; Sahar Saadat HosseiniKhah; Bibifatemeh Mirjalili

Volume 9, Issue 1 , March 2022, Pages 78-87

https://doi.org/10.30473/ijac.2022.63882.1236

Abstract
  In this research, a novel modified glassy carbon electrode (GCE) was successfully fabricated with a tri-component nanocomposite consisting of 5-(3,4-dihydroxyphenyl)8,8-dimethyl-2-(methyl thio)-7,8,9,10-tetrahydropyrimido [4,5-b]quinolone-4,6(3H,5H)-dione (PQ23) and Nitrogen-doped reduced graphene oxide ...  Read More

Synthesis and Evaluation of Nano Zeolite Na/Al as a New Modifier for Electrochemical Determination of Acetaminophen

Afroozeh Arabi; Alireza Mohadesi; Mohammad Ali Karimi; Mehdi Ranjbar

Volume 9, Issue 1 , March 2022, Pages 88-96

https://doi.org/10.30473/ijac.2022.64005.1238

Abstract
  In this study, a new Zeolite Al/Na (ZAN) was synthesized and characterized and then a new modified Carbon Paste Electrode with ZAN was made to determine Acetaminophen. Electrochemical studies using Linear Sweep Voltammetry and differential pulse voltammetry were used to determine electrochemical  Acetaminophen ...  Read More