Saeid Ahmadzadeh

Kerman University of Medical Sciences | KMU

The present study focused on the removal of ciprofloxacin from hospital wastewater using electrocoagulation (EC) process by iron electrode and the kinetic and isotherms of adsorption were investigated. Response surface methodology (RSM) was used to evaluate the main effects of parameters, their simultaneous interactions and quadratic effect to achi...

Fullerenes are effective acceptor components with high electron affinity for charge transfer. The significant influences of chemical adsorption of the cations on the electrical sensitivity of pristine C60 and 15-(C2H4O)5/C60 nanocages could be the basis of new generation of electronic sensor design. The density functional theory calculation for alk...

The electronic and structural properties of Pd doped single-walled carbon nanotubes show advantages as new nanocomposites that enable a wide variety of applications as nanosensors, nano storage devices, nanoplatform in biosensors. Our previous research demonstrated that Pd atom loaded onto single-walled carbon nanotubes have been shown that sensiti...

The effect of protic and aprotic solvents polarity on optimized geometry and some chemical reactivity indices for Tamoxifen (TAM) and three of its important metabolites, i.e. 3-hydroxy Tamoxifen (3-HTAM), Droloxifen, 4-hydroxy Tamoxifen (4-HTAM), Afimoxifen, and Z-N-desmethyl-4-hydroxy Tamoxifen, Endoxifen (ENDX), antitumor are studied theoreticall...

A chemically modified electrode was constructed and applied to the electrooxidation of the chlorpromazine (CPZ). The oxidation peak potential of the CPZ at a surface of CdO/NPs ionic liquid carbon paste electrode (CdO/NPs/IL/CPE) appeared at 695 mV. The CdO nanoparticle (CdO/NPs) was characterized with different methods such as transmission electro...

Staphylococcus aureus ( S. aureus ) is an opportunistic pathogen of the gram-positive variety, known to cause a range of severe infections including cellulitis, pneumonia, osteomyelitis, endocarditis, and sepsis. These infections are associated with significant morbidity and mortality rates in both hospital and community settings. Therefore, it is...

Pesticide residues in the environment have irreparable effects on human health and other organisms. Hence, it is necessary to treat and degrade them from polluted water. In the current work, the electrochemical removal of the fenitrothion (FT), trifluralin (TF), and chlorothalonil (CT) pesticides were performed by catalytic electrode. The character...

Sarafloxacin (SAR) is an antibiotic from the fluoroquinolone group and is also one of the most widely used antibiotics in veterinary medicine. Potential performance and appropriate effectiveness have made SAR a special place among antibiotics. Antibiotic residues in the environment cause many problems, the most important of which is antibiotic resi...

Wastewater pollution is a worldwide concern, and wastewater treatment is gaining growing global attention. Electro-Fenton is a promising method for the treatment of wastewater containing organic pollutants. This work offers an overview and bibliometric analysis of research on electro-Fenton treatment of wastewater. The literatures, consisting of 18...

The Article Abstract is not available.

In recent decades, an emerging concern of widespread antimicrobial resistance has been raised due to the existence of pharmaceutical samples such as antibiotics in an aqueous medium. Herein, antibiotic ceftriaxone (CTX) removal from hospital wastewater employing a hybrid process of electrocoagulation (EC) and adsorption (AD) was investigated. The r...

A simple and precise analytical approach developed for single and simultaneous determination of resorcinol (RC) and hydroquinone (HQ) in pharmaceutical samples using carbon paste electrode (CPE) modified with 1-Ethyl-3-methylimidazolium tetrafluoroborate as ionic liquid and ZnFe 2 O 4 nanoparticle. A significant enhancement in the peak current and...

Malathion (MT) is a widely used organophosphate insecticide with a broad spectrum. MT residues in the environment even at low concentrations can have adverse effects on humans, plants, animals, and ecosystems. In this study aimed to investigate the MT degradation yield from groundwater using persulfate activated magnetic Fe3O4/graphene oxide nanoco...

The current work investigated the efficacy of the hybrid treatment process of electrocoagulation and adsorption in removing hydroxyzine (HDZ) from polluted aqueous solutions. Response surface methodology (RSM) was used to optimize the operating parameters based on the sub-category of central composite design (CCD). The significance of variables, in...

In this work, modified Bi–PbO2 electrode was fabricated and employed for simultaneous degradation of fenitrothion (FT), trifluralin (TF), and chlorothalonil (CT) from synthetic and pesticide wastewater through the anodic oxidation process. A novel high-performance liquid chromatography method was developed and optimized to identify the pesticides s...

The presence of pharmaceutical compounds in aqueous media, even in low concentrations, has caused adverse effects on human, animal, and environmental health. Captopril is a widely used pharmaceutical compound detected in the environment at different concentrations. Because of the concern and problems caused by the presence of captopril in water and...

The widespread occurrence of chlorpyrifos (CPF) in water sources makes it critical to develop efficient and low-cost adsorbents. This work developed a simple approach to prepare a green, efficient, and recyclable composite of magnetic graphene oxide and carboxymethyl cellulose (MGOC) for CPF removal from groundwater. Various analytical techniques s...

In the present study, response surface methodology was employed to investigate the effects of main variables, including the initial MB concentration, hydrogen peroxide dosage, current density, and electrolysis time on the removal efficiency of MB using the electro-Fenton (EF) process. The MB concentration determination by UV-VIS spectrometer. The E...

Introduction: Perchloroethylene (PCE) is one of the most well-known chlorinated organic compounds recently detected in aqueous environments. The presence of PCE in aquatic ecosystems has caused many health problems and environmental challenges. Therefore, its removal and treatment from aqueous environments are essential. Materials and Methods: The...

Acetaminophen is a widely used drug worldwide and is frequently detected in water and wastewater as a high-priority trace pollutant. This study investigated the applicability of the adsorption processes using a composite of magnetic chitosan and multi-walled carbon nanotubes (MCS@MWCNTs) as an adsorbent in the treatment of acetaminophen. The model...

Introduction: Acetamiprid (AP) is one of the most widely used pesticides in the neonicotinoid class. AP residues in the environment have received considerable due to their potential toxicity to humans. Therefore, it is important to remove AP from the aqueous solution. Materials and Methods: In the current study, response surface methodology (RSM) w...

Innovative engineering design for biologically active hydroxyapatites requires enhancing both mechanical and physical properties, along with biocompatibility, by doping with appropriate chemical elements. Herein, the purpose of this investigation was to evaluate and elucidate the model of naturally occurring hydroxyapatite and the effects of doped...

A simple and precise analytical approach developed for single and simultaneous determination of resorcinol (RC) and hydroquinone (HQ) in pharmaceutical samples using carbon paste electrode (CPE) modified with 1-Ethyl-3-methylimidazolium tetrafluoroborate as ionic liquid and ZnFe 2 O 4 nanoparticle. A significant enhancement in the peak current and...

Introduction: Since phthalate esters and their derivatives have the potential to disrupt proper endocrine function, these compounds are considered as one of the most important groups of endocrine-disrupting chemicals. The presence of these compounds in various aquatic environments has caused main concerns about human and animal health and causes pr...

Purpose: Free radicals such as hydroxyl and peroxide are contributing factors to neuronal destruction in cerebral ischemia. Alpha-lipoic acid (ALA) is one of the potent known antioxidants. Preparation of ALA niosomes allows IV injection and can increase bioavailability and penetration into the central nervous system (CNS). Methods: Film hydration m...

2,4-Dichlorophenoxyacetic acid (2,4-DPAA) as a commonly used herbicide in agricultural farms causes severe contamination of groundwater and surface water. Herein, a treatment process based on the electro-Fenton (EF) technique was developed for efficient removal of 2,4-DPAA from agricultural wastewater. Response surface methodology (RSM) was employe...

This study deals with an economical and green approach for the successful removal of acetamiprid (ATP) from groundwater samples using pistachio shell-based modified activated carbon (MAC). The prepared MAC has an apparent surface area (SBET) of 1158.7 m² g⁻¹, total pore (Vtotal) of 0.982 cm³ g⁻¹, and micropore (Vmicro) volumes of 0.841 cm³ g⁻¹, and...

Introduction: Endocrine disruptive compounds as a class of organic contaminants in the aquatic environment received severe attention in the last decades. The release of bisphenol A (BPA) as a hazardous organic chemical into the environment has caused high health and environmental concerns. Therefore, its removal from aquatic environments is strongl...

Background and aim Finding a cost-effective adsorbent can be an obstacle to large-scale applications of adsorption. This study used an efficient activated carbon adsorbent based on agro-waste for dye removal. Methods Pistachio shells as abundant local agro-wastes were used to prepare activated carbon. Then, it was modified with iron to improve its...

Herein, the dimethyl phthalate (DMP) contamination, as an emerging pollutant, has been cost-effectively removed from landfill leachate through an advanced oxidation process, that is the electro-Fenton (EF) process. For this purpose, a quadratic polynomial model was developed via response surface methodology (RSM). Furthermore, the analysis of varia...

This article is a Letter to the Editor and does not include an Abstract.

An economical and sensitive nanostructured sensor based on carbon paste electrode (CPE) for the determination of kojic acid (KA) was developed in the current work. The applied CPE was modified with 1-butyl-3-methylimidazolium tetrafluoroborate (1B3MITFB) as a conductive binder and NiO nanoparticles (NiO/NPs). The proposed modified ionic liquid-base...

Artificial Neural Networks (ANNs) model and Adaptive Neuro-Fuzzy Inference System (ANFIS) were used to estimate and predict the removal efficiency of tetracycline (TC) using the adsorption process from aqueous solutions. The obtained results demonstrated that the optimum condition for removal efficiency of TC were 1.5 g L⁻¹ modified zeolite (MZ), p...

Mefenamic acid (MFA) is a nonsteroidal anti‐inflammatory drug widely used for the short‐term treatment of mild to moderate pain as well as treatment of primary dysmenorrhea and for decreasing the pain and blood loss during menstrual periods. Since MFA has been detected in raw and sewage water worldwide, the current work deals with the optimizing of...

Abstract The current work deals with fabrication and validation of a new highly Fe3+ selective sensor based on benzo-18-crown-6 (b-18C6) using the potentiometric method. The proposed sensor revealed satisfactory performance for quantitative evaluation of Fe3+ trace amount in environmental samples. The ratio of membrane ingredients optimized and the...

In the current work, a new highly selective and sensitive sensor based on PVC membrane for accurate trace detection of chromium (III) ions as the environmental contaminant based on 4-Isopropylcalix[4]arene (4-IPC4) was developed. The electrode demonstrated a working range from 1.0 × 10⁻⁶ to 1.0 × 10⁻¹ M with 19.45 ± 0.21 mV and 9.0 × 10−7 M of Nern...

Presence of emerging contaminant such as pharmaceutical products in aquatic environments received high concerns due to their undesirable effect on wildlife and human health. Current work deals with developing a treatment model based on Electro- Fenton (EF) process for efficient removal of metformin (MET) from aqueous medium. The obtained experiment...

Antibiotics as the severe contaminants of aqueous environments were received growing attention during the last decades. The current work is the first report on investigating the potency and efficiency of electrocoagulation process in the successful removal of metronidazole (MNZ) from pharmaceutical wastewater using response surface methodology base...

Paraquat (PQ) poisoning is principally reported in developing countries. However, most fatalities occur elsewhere due to the induction of multi-organ failure. PQ poisoning can hardly be managed by clinical practice, and no specific antidote has come into existence yet. Here three cases, including 17-, 20-, and 23-year-old men, who were poisoned wit...

Since 2,4-dichlorophenol (2,4-DCP) as a priority pollutant is used in numerous industrial processes, its removal from the aqueous environment is of utmost importance and desire. Herein, the authors describe an electrochemical treatment process for efficient removal of 2,4-DCP from aqueous solutions using electro-Fenton (EF) process. Response surfac...

To remove the bisphenol A (BPA) effectively from groundwater great attempts made in the current work to optimize the operating parameters of electrochemical peroxidation (ECP) process using response surface methodology (RSM) based on central composite design (CCD). The obtained data from ANOVA analysis revealed the significance of experimental vari...

The current work deals with efficient removal of acetaminophen (AC) from hospital wastewater using electro-Fenton (EF) process. The degradation yield of 99.5% was obtained under optimal experimental conditions, namely 5.75 mg L−1 initial AC concentration, 2.75 pH solution, 3-cm inter-electrode distance, 100 mg L−1 KCl electrolyte, 122.5 µL L−1 H2O2...

Pharmaceuticals as severe contaminants of surface and ground water around the manufacturing communities and residential zones received growing attention recently. Since, there is no report on ciprofloxacin (CIP) removal using electrocoagulation (EC) process by aluminum electrodes, the present work deals with efficient removal of CIP from hospital w...

The current work deals with developing a suitable drug delivery system of doxorubicin (DOX) for intraperitoneal chemotherapy using niosomes through formulating non-ionic surfactants consisting of Brij? 52, span? 60 and Solulan? C24. Entrapping the magnetite nanoparticles in the hydrophilic parts of niosomes was accompanied with high-efficient DOX l...

Recently widespread usage of cephalosporin antibiotics in medical and veterinary fields has received growing attentions as severe contaminants of aquatic ecosystems. Since there is no report on the removal of cefazolin (CFZ) using electrocoagulation and adsorption (EC/AD) coupling treatment process, the present work deals with efficient removal of...

A sensitive modified carbon paste electrode (MCPE) employing NiO nanoparticle (NiO/NPs) and 1-butyl-3-methylimidazolium tetrafluoroborate (BMITFB) ionic liquid was used for trace level analysis of hydroquinone (HQ) in aqueous solution. Compared to bare electrode, the electro-oxidation signal of HQ was greatly improved. The obtained result shows tha...

A square wave voltammetric method for the trace analysis of ascorbic acid was developed in this study. Carbon paste electrode was modified with NiO nanoparticle and 1-butyl-3-methylimidazolium tetrafluoroborate as a binder. Electro-oxidation behavior of ascorbic acid on the modified electrode was studied, which indicated that the nanostructure modi...

A new method for determination of methyldopa in the presence of folic acid has been described in this work. This method is based on modification of carbon paste electrode with NiO nanoparticles and an ionic liquid (1-Butyl-3-methylimidazolium hexafluorophosphate). Electrochemical studies showed that on the surface of modified electrode, oxidation c...

Release of textile industries waste especially their dying effluent impose a serious pollution on the environment. Reactive dyes are one of the most used dyes which are recalcitrant to conventional treatment processes. In the performed project, the effectiveness of electrocoagulation process was studied on decolorization. RR141 was selected as mode...

A novel Ti 3+ selective membrane electrode based on meso-octamethylcalix[4]pyrrole (OMCP) as an ionophore was successfully fabricated. The developed sensor revealed high selectivity towards Ti 3+ ion over alkali, alkaline earth and transition metal cations. Among all of the membranes examined, the membrane with a composition of 4:33:62.8:0.2 mg of...

In the present work, the conductometric measurements for complexation process between Cr3+ cation and the macrocyclic ionophore, 4-Isopropylcalix[4]arene (IPC4) were studied in tetrahydrofuran–dimethylsulfoxide (THF–DMSO) binary non-aqueous medium at different temperatures. The results reveal that the stoichiometry of the IPC4–Cr3+ complex in all b...

The present work deals with developing a high selective membrane electrode based on p-Isopropylcalix[6]arenefor (p-IPC6) accurate determination of trace amount of cesium cation. The amounts of ionophore (5 mg), PVC (30 mg), dioctyl phthalate (DOP) as a plasticizer (62 mg) and potassium tetrakis(4-chlorophenyl)borate (KTpClPB) as an ionic additive (...

The introduction of low detection limit ion selective electrodes (ISEs) may well pave the way for the determination of trace targets of cationic compounds. This research focuses on the detection of titanium (III) cation using a new PVC-membrane sensor based on synthesized tris(2pyridyl) methylamine (tpm) ionophore. The application and validation of...

A high sensitive carbon paste electrode modified with NiO/CNTs and ionic liquid (ILs/NiO/CNT/CPE) was describe for voltammetric determination of quercetin. Compared to unmodified carbon paste electrode, the electrochemical response was greatly improved for quercetin electrooxidation. Result shows, the oxidation peak current was increased to about 6...

Novel ionophores comprising various hydroxide and amine structures were immobilized onto poly(vinyl chloride) (PVC) matrices, and these were examined to determine Ti(III) selectivity. To predict the selectivity of Ti(III), a PVC membrane was used to investigate the binding of Ti(III) to c-methylcalix[4]resorcinarene (CMCR). The study showed that th...

Due to the increasing industrial use of titanium compounds, its determination is the subject of considerable efforts. The ionophore or membrane active recognition is the most important component of any polymeric membrane sensor. The sensor's response depends on the ionophore and bonding between the ionophore and the target ion. Ionophores with mole...

The present paper reports the UV-assisted degradation of 1,4-benzoquinone in ZnO suspensions. The variables studied include the concentration of 1,4-benzoquinone, photocatalyst, pH and the total organic carbon. The concentration of 1,4-benzoquinone and residue organic carbon were measured using UV-Visible spectrophotometer and TOC analyzer, respect...

The complexation reaction between CrO 4 2-anion with macrocyclic ligand, N,N′Bis(salicylidene) ethylenediamino cobalt(II) (Co(SALEN)), was studied in acetonitrile–water (AN–H 2 O) binary mixed systems at 25 ᴼ C. The conductance data show that the stoichiometry of the complexes formed between (Co(SALEN)) with CrO 4 2-anion in most cases is 1:1 [M:L]...

The equilibrium constants and thermodynamic parameters for complexation process between titanium (III) cation and meso-octamethylcalix[4]pyrrole were determined by conductivity measurements in acetonitrile–ethanol (AN–EtOH) binary mixture at different temperatures. The conductance data show that the stoichiometry of the (meso-octamethylcalix[4]pyrr...

A conductance study of the interaction between titanium (III) cation and tris(2-pyridyl) methylamine (tpm), in water-acetonitrile mixtures was carried out at various temperatures. The formation constants of the resulting 1:1 complexes were determined from the molar conductance-mole ratio data. The stability constants of 1:1 (M:L) complexes of tpm w...

The complexation reactions between the macrocyclic ionophore, p-isopropylcalix[6]arene and Cs+ cation were studied in dimethylsulfoxide-acetonitrile (DMSO-AN) binary non-aqueous solvents at different temperatures using a conductometry method. The conductance data show that the stoichiometry of the (p-isopropylcalix[6]-arene·Cs)+ complex in all bina...

Thallium is a toxic metal that introduced into the environment mainly as a waste from the production of zinc, cadmium, and lead and by combustion of coal. Thallium causes gastrointestinal irritation and nerve damage when people are exposed to it for relatively short period of time. For long term, thallium has the potential to cause the following ef...

The complexation reaction between benzo-15-crown-5 (B15C5) with Na+ cation was studied in acetonitrile–methanol (AN–MeOH), tetrahydrofuran–methanol (THF–MeOH), acetonitrile–tetrahydrofuran (AN–THF) and nitromethane–dimethylformamide (NM–DMF) binary mixtures at different temperatures using conductometry method. The conductometric data show that in m...