@article { author = {Bakkali, S and Cherkaoui, M and Warad, I and Zarrouk, Abdelkader}, title = {Investigation on Tin Electrodeposition from Sulphuric Acid Medium}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {160-175}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {The tin electrodeposition in an acidic sulphate solution is reported. Electrochemical techniques (chronoamperometry, cyclic and linear voltammetry) are used to find out some kinetic parameters that govern the tin electrodeposition process while scanning electron microscopy (SEM) is used to explore the morphology of the coating. The influence on the tin electrodeposition of certain experimental parameters such as tin ion concentration, potential scan rate and deposition current density are described. Sharifker–Hills and Palomar Pardavé models are used to investigate the nucleation process of tin. It is found that the tin and proton reductions occur simultaneously. Dimensionless current-time transient related only to the tin reduction reaction fits well the theoretical transient for instantaneous mechanism nucleation. The diffusion coefficient has been determined by various electrochemical techniques and is found to be between 6.24×10-6 and 7.4×10-6 cm2s–1. i0 the exchange current density value is 0.0023 A/cm2 and the charge transfer coefficient αc is approximately 0.5. It is also noted that the deposition current density affects the morphology of the deposited tin.}, keywords = {Tin electrodeposition,Sulphuric Acid,Voltammetry,chronoamperometry,SEM}, url = {https://www.abechem.com/article_246470.html}, eprint = {https://www.abechem.com/article_246470_816c0a0d461b40af235fde251db305a4.pdf} } @article { author = {LAKSHMI, Gundluru and Rami Reddy, Y and Ravi, Raminani}, title = {PMA and Poly (Paraphenylenediamine) Modified Carbon Paste Electrode using Voltammetric Determination of Dopamine and Uric Acid}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {176-189}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {AbstractA polymerized film of PMA/Poly(Paraphenylenediamine) (PPD) was prepared. The surface of carbon paste electrode was polymerized with film of PhosphoMolybdic Acid (PMA) and paraphenylenediamine in PBS buffer solution of physiological pH 7.4 by the process of ionic deposition and electro polymerization, and electrochemical identifications was studied by cyclicvoltammetry. This MCPE was used to investigate DP and UA by CV and DPV techniques, number of parameters affecting the electrocatalytic activity of modified CPE such as effect of pH, scan rate, and concentration were studied. The detection limits of dopamine(DP) and Uric Acid(UA) were calculated by CV as 1.3550µM and 4.230µM respectively. The high electro catalytic activity of PMA and PPD modified carbon paste electrodes expected to be highly applicable in the field of electro analytical chemistry for the determination of other bio active molecules or neurotransmitters. The modified electrode showed higher sensitivity and selectivity for the simultaneous determination of DP and UA, and fouling effect is also eliminated by this MCPE.}, keywords = {Dopamine,Uric acid,Phosphomolbdic acid,Carbon paste electrode}, url = {https://www.abechem.com/article_246471.html}, eprint = {https://www.abechem.com/article_246471_ab9345c0dc508a0f4510c5bcfc6ac527.pdf} } @article { author = {Patil, Shreekant and Bagogi, Atmanand and Konnur, Santosh and Gokavi, Naveen and Nanadibewoor, Sharanappa}, title = {Electroanalysis of Orphenadrine Hydrochloride by Graphene Modified Glassy Carbon Electrode and Its Oxidation Mechanism}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {190-201}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {Electroanalysis of orphenadrine (ORD) by graphene modified glassy carbon electrode (GPN/GCE) was studied using cyclic voltammetric and linear sweep voltammetric (LSV) techniques. The variation of the current with pH, concentration and scan rate was investigated to optimize the experimental condition for determination of ORD. The optimal pH value for voltammetric determination of ORD is the physiological pH 7.0. The electrochemical behavior of the ORD at GPN/GCE was a diffusion-controlled process. Under the optimal conditions, the anodic peak current was linearly proportional to the concentration of ORD in the range from 1.0 × 10-7 to 1.2 × 10-6M with a limit of detection 2.8 nM for LSV. This method was applied for quantitative determination of ORD levels in urine as real samples. Further interference study was also carried with some common interfering substances. The present method could possibly be adopted for the pharmacokinetic studies as well as for quality control laboratories.}, keywords = {Orphenadrine,Voltammetric,Graphene,Glassy carbon electrode,Oxidation}, url = {https://www.abechem.com/article_246472.html}, eprint = {https://www.abechem.com/article_246472_a04b67f40c4d6cfc44ccef5f448aefaa.pdf} } @article { author = {Diaz-Ballote, Luis and Genesca, Juan}, title = {Effect of the Free Water Content in Biodiesel on the Corrosion of Copper and AISI 1045 Steel: An Approach Using the Biodiesel/KOH-Solution Interface}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {202-213}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {Electrochemical measurements in low conductive media, such as biodiesel, are challenging. Here, the electrochemical corrosion process of carbon steel and copper, due to the free water content in biodiesel storage tanks, is studied. The electrochemical analysis was carried out at the interface of the biodiesel and a KOH aqueous solution under controlled experiments that replicate the free water content in biodiesel. The main contribution of this work is a movable working electrode in a typical three-electrode cell configuration for electrochemical characterization purposes. Corrosion of copper and AISI 1045 carbon steel was investigated using three standard electrochemical techniques, open circuit potential, potentiodynamic polarization, and electrochemical impedance spectroscopy. The working electrode was placed on a translation stage provided with a micrometer that allowed measurements at different points of the interface. Copper (4.0 µA·cm2) was found to be more prone to corrosion than carbon steel (0.03 µA·cm2). The results demonstrate that the novel proposed experimental setup provides a reliable option to study the corrosion of metals exposed to biodiesel.}, keywords = {Electrochemical methods,Biofuels,Movable Electrode,Oily Film,Lineal Polarization}, url = {https://www.abechem.com/article_246474.html}, eprint = {https://www.abechem.com/article_246474_289e2426982830a8d67122bb0743e2bb.pdf} } @article { author = {Sheikh-Mohseni, Mohammad Ali and Hassanzadeh, Vahdat and Habibi, Biuck}, title = {Electro-oxidation of Formaldehyde on A Non-Platinum Metal/RGO Nanocomposite Modified Electrode in Alkaline Solution}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {214-225}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {Since the catalysis of formaldehyde oxidation is an important subject in fuel cells and also air and water purification, in this work a novel non-platinum electrocatalyst was proposed for oxidation of formaldehyde. The electrocatalyst was constructed by electro-deposition of Ni and Co nanoparticles on the reduced graphene oxide (RGO) modified carbon paste electrode. It was characterized by scanning electron microscopy, energy dispersive spectroscopy, X-ray diffraction and cyclic voltammetry. The electrocatalyst is worked by the mediation role of redox species of Ni nanoparticles. Also its ability enhanced by the synergetic effect of Ni and Co nanoparticles and the electrical properties of RGO. The current density is reached to 25 mAcm-2 in 200 mM of formaldehyde. The onset potential of formaldehyde oxidation at the electrocatalyst become as 0.38V and its anodic peak as 0.75V versus SCE. The catalytic reaction rate constant for formaldehyde electro-oxidation at the electrode was obtained as 55.6 M-1s-1, which indicates the suitability of the proposed electrocatalyst for formaldehyde oxidation in fuel cells and purification applications.}, keywords = {Graphene,Voltammetry,Electrocatalysis,Nickel,Nanotechnology}, url = {https://www.abechem.com/article_246475.html}, eprint = {https://www.abechem.com/article_246475_144078cdd4de2890dde1f0836b37354f.pdf} } @article { author = {Malekzadeh, Maryam and Mohadesi, Alireza and Karimi, Mohammad Ali and Ranjbar, Mehdi}, title = {Development of a New Sensitive Electrochemical Sensor for Dapsone Detection Using a Cobalt Metal-Organic Framework/Molecularly Imprinted Polymer Nanostructures}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {226-238}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {This study reports a novel, inexpensive, and efficient approach for the synthesis of the Co metal-organic framework molecularly imprinted polymer nanoparticles (Co-MOF/MIP), which can be used as a highly selective and sensitive method for the determination of dapsone (DDS). MOFs due to high potential in the presence of porosity properties can be used in sensors based on glassy carbon electrode (GCE). The synergistic effect of the porosity network structure on glassy carbon electrode increases the power of the limits of detection (LOD). The average size of the MOFs was obtained about 17- 27nm. The first metal-organic frameworks (MOFs) with high specific surface area and high porosity were synthesized by morcellation and microwave methods. Some parameters affecting the sensor response were optimized, and a calibration curve was plotted using the differential pulse voltammetric (DPV) technique. The calibration curve of dapsone was linear in the concentration range of 0.5 up to 170 µM with y=0.0259x+0.4887 and R2= 0.9983. The linear response was obtained in the range of 0.5-170 μM of DDS concentrations with a detection limit of 0.15 µM under optimized conditions. Also, the relative standard deviation (RSD) was calculated as 1.42 % for five electrodes prepared independently.}, keywords = {Dapsone,Molecularly imprinted polymers,Metal-organic framework,Electrochemical sensor}, url = {https://www.abechem.com/article_246476.html}, eprint = {https://www.abechem.com/article_246476_c768ff027509491c1eb52414a4d3ecf9.pdf} } @article { author = {MAMERI, Sonia and Boughrara, Dalila and Chopart, Jean-Paul and Kadri, Abdelaziz}, title = {Electrochemical Corrosion Behavior of API 5L X52 Pipeline Steel in Soil Environment}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {239-263}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {In this work, the corrosion rate of X52 pipeline steel used in Algerian soil was calculated and compared to that of a simulated soil solution (NS4). The effect of soil related parameters such as pH, temperature and immersion time on the corrosion of steel in NS4 solution is studied using different methods such as open circuit potential, potentiodynamic polarization, electrochemical impedance spectroscopy and energy dispersive spectrometry (EDX) coupled with scanning electron microscopy. The results are well correlated and showed that the corrosion rate increases when the medium is acidic or alkaline and when the temperature increases. The load transfer resistance increases with immersion time up to 3 days and then decreases with the presence of a film of corrosion products on the steel surface which becomes porous. It was also found that the corrosion rate of X52 steel immersed in the aqueous soil extract collected in southern Algeria is the lowest.}, keywords = {API 5L X52 steel,NS4 solution,aqueous soil extract,Polarization,EIS}, url = {https://www.abechem.com/article_246477.html}, eprint = {https://www.abechem.com/article_246477_96f539a3eb6da66f67b6f27be1108caa.pdf} } @article { author = {Hosseini, Farzad and Bahmaei, Manochehr and Davallo, Mehran}, title = {A Sensitive Method for the Electrochemical Determination of Tramadol, Codeine and Caffeine by A CeO2-SnO2/rGO Nanocomposite-Modified Glassy Carbon Electrode}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {264-282}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {The CeO2-SnO2/rGO was synthesized and used for modification of glassy carbon electrode (GCE) to measurement of Tramadol (Tra), Codeine (Cod) and Caffeine (Caf). Electrical impedance spectroscopy (EIS) techniques showed that CeO2-SnO2/rGO/GCE has the lower electron transfer resistance (Rct) (63 Ω) in comparison to GCE (223 Ω) and was suitable for electrochemical applications. The synthesized nanomaterials were investigated by some methods such as Transmission electron microscopy (TEM), X-ray Diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). The pH value was investigated in the range of 5.5 to 9.5 which the best signal was obtained at pH=6.5. At the CeO2-SnO2/rGO/GCE three oxidation peaks appeared at 0.755, 1.05, and 1.412 V with Ipa= 22.1, 78.4 and 69.49 µA for Tra, Cod, and Caf and the peaks separation of ΔEp (Tra-Cod)=295 mV, and ΔEp (Cod-Caf)=362 mV in the potential region 0.4-1.6 V. In optimum condition, a dynamic range of 0.008-10 μM and 10-270 μM for Tra, 0.01-12 μM and 12-260 μM for Cod, 0.01-14 μM and 14-260 μM for Caf with the detection limit of 0.0056, 0.0053, and 0.0055 μM for of Tra, Cod and Caf, respectively, were obtained. Investigation of effect of scan rate (25 and 300 mV/s) shows that the electrode process was diffusion-controlled. Interference studies show that Li+, Na+, K+, Cl-, Ca2+, Uric acid, Ascorbic acid, Morphine, sucrose, and glucose have no effect on the oxidation current of the analytes. Finally, The presented electrochemical electrode was applied for the measurement of Tra, Cod and Caf in urine and human plasma spiked samples.}, keywords = {Tramadol,Codeine,Caffeine,Glassy carbon electrode,Reduced graphene oxide,Metal oxide nanoparticle}, url = {https://www.abechem.com/article_246478.html}, eprint = {https://www.abechem.com/article_246478_aeabe76032b6de87f3a9fc4de9c5caa0.pdf} } @article { author = {Th Al-Taee, Amer and Al-Layla, ALAA and Mahmood, Anfal Raad}, title = {Electrochemical Behavior of Aminoguanidine and its Detection by Hybrid Polymer of Theophylline with Copper Oxide Nanoparticles}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {283-295}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {Aminoguanidine (AG), as a group of nucleophilic hydrazine compounds, has different pharmacological activities, like reducing the pathological consequence of diabetes. Here, the electrochemical oxidation behavior of aminoguanidine was examined, directly at bare graphite electrode and indirectly, with theophylline hybrid polymer and copper oxide nanoparticles, using cyclic voltammetry (CV) and square wave voltammetry (SWV). The impact of pH, buffer type, time, and concentration were studied in the two methods. Two oxidation peaks were found at (0.773 V , 1.15 V) vs. Ag/AgCl in acetate buffer (0.1 M, pH 4.5) and (0.8 V , 1.1 V) vs. Ag/AgCl in phosphate buffer (0.1 M, pH 7.0). At graphite bare electrode (GCE), the optimal result was achieved when the phosphate buffer was used, changing the linear range for the detection of aminoguanidine at bare electrode from 299.1 to 990 µM with R2 of 0.992 and standard deviation of 33.5 µM. At modified graphite electrode with theophylline hybrid polymer and copper oxide nanoparticles (GCE-poly TP/CuO-NPs), a much wider range was obtained for AG, at 9.9 to 610.316 µM with R2 =0.990 the limit of detection of 6.34 µM, and SD of 0.089 µM. Finally, the preparation of modified graphite electrode with nanoparticles (GCE-poly TP/CuO NPs) showed good stability, persisting for more than 2 weeks, and showing a potential to be used as a drug sensor.}, keywords = {Aminoguanidine,CuO nanoparticles,Theophylline,Electropolymerization,Graphite electrode}, url = {https://www.abechem.com/article_246479.html}, eprint = {https://www.abechem.com/article_246479_a7bb1c8a39ff7a74701aedd1681524e4.pdf} } @article { author = {Nemati, Fatemeh and Hosseini, Morteza}, title = {Recent Advances in Electrochemiluminescence Sensors for Hg2+ Ion Detection: A Review}, journal = {Analytical and Bioanalytical Electrochemistry}, volume = {13}, number = {2}, pages = {296-304}, year = {2021}, publisher = {Analytical and Bioanalytical Electrochemistry is an international scientific journal, which is published online every 3 months (since 2009), every 2 months (since 2011) and monthly (since 2018) by Center of Excellence in Electrochemistry, University of Tehran}, issn = {-}, eissn = {2008-4226}, doi = {}, abstract = {As one of the most sensitive detection methods, electrochemiluminescence (ECL) has received great attention due to its unique properties such as extremely low background, high sensitivity, wide dynamic range, simple, rapid and inexpensive instrumentation and ability to measure in the area of environmental, biochemical and pharmaceutical matrices. Electrochemiluminescent sensors are able to detect the presence and evaluate the content of various toxic substances (pesticides, heavy metals, etc.) both in water and in food. Among the heavy metal ions, mercury ion (Hg2+) is one of the most stable forms in mercury pollution. It is a widely investigated analyte since it is a toxic element at very low concentrations and its determination is very important for environmental purposes. This article reviews key advances in electrochemiluminescence measurements of Hg (II) ions over the past decade. The categorization of different ECL sensors is done on the basis of different luminophores including luminol, ruthenium (II) complexes and quantum dots.}, keywords = {Electrochemiluminescence,heavy metals,Mercury ion, Luminophore,sensor}, url = {https://www.abechem.com/article_246480.html}, eprint = {https://www.abechem.com/article_246480_3f89f09115446d06c9430d668e118308.pdf} }