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List of Articles
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Open Access Article
1 - Green Synthesis and Investigation of Antioxidant Activity of New Quinoline Derivatives
Seyyed Ali Moghaddas Zinatossadat Hossaini Daryoush ZareyeeNew derivatives of furo[2,3-f]quinoline derivatives in high yields using multicomponent reaction ofthe 2-amino-4-hydroxyacetophenone, isopropenylacetylene, aldehydes and malononitrile or ethylcyanoacetate in the presence of catalytic amounts of Fe3O4/KF/Clinoptilolite@M MoreNew derivatives of furo[2,3-f]quinoline derivatives in high yields using multicomponent reaction ofthe 2-amino-4-hydroxyacetophenone, isopropenylacetylene, aldehydes and malononitrile or ethylcyanoacetate in the presence of catalytic amounts of Fe3O4/KF/Clinoptilolite@MWCNTs magneticnanocomposites using ionic liquid as green solvent at room temperature were synthesized. Thiscatalyst could be employed several times in these reactions and have the main role in the yield ofthe product. The synthesized compounds have NH group in their structure and for this reason, havegood antioxidant activity. Our procedure for preparation of furo[2,3-f]quinoline derivatives hassome advantages such as low reaction time, the product with high yields, and simple separation ofcatalyst and products. Manuscript profile -
Open Access Article
2 - Applying Kinetic Spectrophotometric Method and Artificial Neural Network Model for Determination of Metronidazole with Albizia Lebbeck Leaves-capped AgNPs Sensor in Blood and Urine Samples
Elham Pournamdari Leila Niknam Farzaneh MarahelThe environmental pollution caused by drug antibiotic waste presents a foremost concern in the ecosystem,as high levels of these antibiotic drugs after consumption when released into the ecosystem, biologicalsamples are accumulated and are producing overall contaminatio MoreThe environmental pollution caused by drug antibiotic waste presents a foremost concern in the ecosystem,as high levels of these antibiotic drugs after consumption when released into the ecosystem, biologicalsamples are accumulated and are producing overall contamination. Consequently, the need for selective,sensitive, fast, easy-to-handle, and low-cost early monitoring detection systems is growing. In this study, weused a prepared Albizia Lebbeck Leaves-capped AgNPs sensor to illustrate examples of friendly biosensorswith their real application fields for the sensitive detection of the metronidazole drug in various matricessuch as human fluids by kinetic spectrophotometric method. The calibration curve was linear in the range of(0.02 to 10.0 µg L−1). The standard deviation of less than (3%), and detection limits (3S/m) of the method(0.02 µg L−1in time 8 min, 367 nm) were obtained for sensor level response Albizia Lebbeck Leaves-cappedAgNPs with (95%) confidence evaluated. The artificial neural network model was used as a tool very low fordetermining mean square error (MSE 0.061) for metronidazole drug by Albizia Lebbeck Leaves-cappedAgNPs sensor. The observed outcomes confirmed the suitability of recovery and a very low detection limitfor measuring the metronidazole drug. The method introduced to measure metronidazole drugs in realsamples such as urine and blood was used and can be used for other drugs environmental pollution andhospital samples. Manuscript profile -
Open Access Article
3 - Green Fabrication of Albizia Lebbeck Leaves-Capped Silver Nanoparticles for Removal of Butylparaben
Fatemeh Maghami Maryam Abrishamkar Bijan Mombini Godajdar Mina HossieniAlbizia Lebbeck Leaves-Capped Silver Nanoparticles (ALLC AgNPs) were constructedusing a green and sustainable method and used as an effective adsorbent for the removal ofbutylparaben (BP) dye from an aqueous solution. The possible mechanisms for thefabrication of ALLC A MoreAlbizia Lebbeck Leaves-Capped Silver Nanoparticles (ALLC AgNPs) were constructedusing a green and sustainable method and used as an effective adsorbent for the removal ofbutylparaben (BP) dye from an aqueous solution. The possible mechanisms for thefabrication of ALLC AgNPs were also investigated and discussed. The proposed adsorbentwas characterized and identified using FT-IR, XRD, and SEM techniques. For investigatingthe influence of affective factors like BP dye concentration, pH, adsorbent dosage, andsonication time on the removal process and achieving optimum conditions, central compositedesign (CCD) based response surface methodology (RSM) was applied. To investigate theadsorption mechanism and kinetic of the removal reaction, different isotherm and kineticmodels were used. The obtained results proved the applicability of fabricated adsorbent as anideal material for the treatment of pollutants and especially dye molecules. Manuscript profile -
Open Access Article
4 - Application Molecularly Imprinted Solid Phase Extraction Method for Analysis and Determination of Bentazon as a Toxic Herbicide in Water
Alireza Geramizadegan Dadkhoda Ghazanfari Aliasghar AmiriIn this paper, a highly selective sample cleanup procedure combining molecular imprinting andsolid phase extraction (MI-SPE) was developed for the isolation of toxic bentazon in surface water.The molecularly imprinted polymer (MIP) was prepared using bentazon as the tem MoreIn this paper, a highly selective sample cleanup procedure combining molecular imprinting andsolid phase extraction (MI-SPE) was developed for the isolation of toxic bentazon in surface water.The molecularly imprinted polymer (MIP) was prepared using bentazon as the template molecule,methacrylic acid as the functional monomer, and ethylene glycol dimethacrylate as the cross-linkingmonomer. The bentazon imprinted polymer was used as a selective sorbent for the solid-phaseextraction of bentazon from surface water. An offline MI-SPE method followed by highperformance liquid chromatography was also established. To evaluate the applicability of the MIPfor separation and determination of bentazon by HPLC, general parameters for SPE including thenumber of loading solvents, washing solution and eluent, and pH of the sample were optimizedfollowing a step-by-step approach. The calibration curve was linear in the range of (0.05 to 0.6 µg L−1). The standard deviation of (2.2 %) and detection limit of the method (0.05 µg L−1) wereobtained for sensor level response. It was shown that recoveries up to approximately 97.0 % fromspiked surface water samples could be obtained. It was demonstrated that the proposed MI-SPEHPLC method could be applied to the direct determination of bentazon in surface water. Manuscript profile -
Open Access Article
5 - New Pt(II) Complexes with Heterocyclic Ligands Derived from Benzimidazole: Synthesis, Characterization, DFT Calculations and Catalytic Activities
Parisa Sadeghzadeh Mehdi Pordel Safar Ali Beyramabadi Abolghasem DavoodniaIn this work, the synthesis, spectral characterization, DFT calculations, and catalytic activity of thenew Pt(II) complexes with the ligand derived from benzimidazole derivatives have been described.The new heterocyclic ligands were obtained from the reaction of o-amino MoreIn this work, the synthesis, spectral characterization, DFT calculations, and catalytic activity of thenew Pt(II) complexes with the ligand derived from benzimidazole derivatives have been described.The new heterocyclic ligands were obtained from the reaction of o-amino-ketones with hydrazinehydrate in high yieldandPt(II) complexes prepared from the coordination of the new ligands toPt(II) cation. The new compounds have been characterized by spectral and microanalytical data.The DFT calculations at the B3LYP/6-311+G(d,p) level were also applied to gain further insightinto the geometry of Pt(II) complexes. The catalytic activity of Pt(II) complexes in Biginellireactionwas also examined as heterogeneous catalysts. The results showed that the 3,4-dihydropyrimidin-2(1H)-ones have been synthesized, in excellent yields, under solvent-free conditions, by reaction oftert-butyl acetoacetate, alcohol, arylaldehydes, and urea in the presence of Pt(II) complexes as anefficient and heterogeneous and catalyst. Manuscript profile -
Open Access Article
6 - Optimization of Process Parameters on Hydrothermal Liquefaction of Sambucus Ebulus for Bio-oil Production
Amir Hosein Mohseni Hadi BaseriNowadays, the production of bio-oil and chemical intermediates from renewable energy sources isvery important because of growing concerns about climate and environmental changes. In thiswork, the thermal liquefaction of Sambucus ebulus (Danewort plant) is studied with a MoreNowadays, the production of bio-oil and chemical intermediates from renewable energy sources isvery important because of growing concerns about climate and environmental changes. In thiswork, the thermal liquefaction of Sambucus ebulus (Danewort plant) is studied with a focus on theyield and composition of the produced bio-oil. The produced bio-oil was characterized by FTIR,GC, and GC-MS analyses, and more than 35 different chemical components were identified in it.About 60 w% of the produced bio-oil is composed of five chemical components of acetic acid(21.29%), pentanoic acid (19%), acetone (10.64%), neophytadiene (5%), and α-pinene (4.4%). Theeffects of various process parameters of reaction temperature, time, and concentration of solutionmedia on the yield and composition of products were studied. The maximum yield of the producedbio-oil is about 42% in a temperature of 160°C, a reaction time of 2 h, and 0.75 V% of ethyl acetatein the solution media. Manuscript profile
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