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Open Access Article
1 - Investigation of carbon monoxide gas adsorption on the Al2O3/Pd(NO3)2/zeolite composite film
Nastaran Mozaffari Alireza Haji Seyed Mirzahosseini Amir Hossein Sari Leila Fekri Aval -
Open Access Article
2 - Formation of Doxycycline-Palladium Complex: Determination of Thermodynamic Parameters Using the KINFIT Program and determine of drug
AZAR bagheriThe formation of the complex between Pd + 2 ions and doxycycline in DMF was studied using ultraviolet spectroscopy at temperatures [15, 25, 35 and 45 ± 0.1] ° C. The process of forming the complex was optimized in terms of pH, temperature and time. The ratio MoreThe formation of the complex between Pd + 2 ions and doxycycline in DMF was studied using ultraviolet spectroscopy at temperatures [15, 25, 35 and 45 ± 0.1] ° C. The process of forming the complex was optimized in terms of pH, temperature and time. The ratio of stoichiometry (metal ion / ligand ion) was obtained 1: 1. The formation of the complex and the thermodynamic parameters have been obtained by information on the molar ratio method using the KINFIT program. Also the formation of a complex was used to determine the amount of drug and to determine the optical parameters. The formation of the complex between Pd + 2 ions and doxycycline in DMF was studied using ultraviolet spectroscopy at temperatures [15, 25, 35 and 45 ± 0.1] ° C. The process of forming the complex was optimized in terms of pH, temperature and time. The ratio of stoichiometry (metal ion / ligand ion) was obtained 1: 1. The formation of the complex and the thermodynamic parameters have been obtained by information on the molar ratio method using the KINFIT program. Also the formation of a complex was used to determine the amount of drug and to determine the optical parameters. Manuscript profile -
Open Access Article
3 - Study of Anti - Antimutagen and Anti-Cancer Effect of Oxali Paldyvm and Nano Oxali Palladium by Ames Test (Ames) and the Metabolic System (Rat Liver Microsomes)
Sedighe Mehrabian Mojtaba Vafajoo Adeleh DivsalarInroduction & Objective: Deaths from cancer are rising in many countries. Oxali palladium and palladium nano oxali are anti-cancer drugs, the consumption of beneficial effects on the health of the consumer. The aim of this study was to evaluate the effects of anti-cance MoreInroduction & Objective: Deaths from cancer are rising in many countries. Oxali palladium and palladium nano oxali are anti-cancer drugs, the consumption of beneficial effects on the health of the consumer. The aim of this study was to evaluate the effects of anti-cancer, anti-mutation and oxali Paldyvm and palladium nano is oxali materials and waysMaterial and MethodIn this study, oxali palladium and palladium nanoparticles synthesized oxali anti-ejection and anti-cancer effects were used to. Anti-mutagenicity test was performed according to the Ames test. After comparing test results between samples tested positive control (sodium azide) and negative control (distilled water) was determined. Statistical analysis was performed using SPSS version 16.Results: Anti-mutation effect was observed in both the tested materials. Oxali contain mutations in 83% of palladium and palladium nano oxali was 77. The percentage of inhibition of mutant rat liver microsomes in between the tested materials in emergency situations to the absence of microsomes were not significantly different (P Conclusions:Both of oxali palladium and palladium nano oxali anti-ejection and anti-cancer effects were high. Manuscript profile -
Open Access Article
4 - Cellulose nanocrystal functionalized palladium nanoparticles as an efficient heterogeneous catalyst for the synthesis of α-amino nitriles via Strecker reaction
Atieh Mirosanloo Daryoush Zareyee Mohammad Khalilzadeh -
Open Access Article
5 - An air stable and efficient palladium catalyst for Suzuki-Miyaura cross coupling reaction at room temperature
Raheleh Pourkaveh Hirbod Karimi -
Open Access Article
6 - Microwave assisted Pd(OAc)2-catalyzed chemoselective reduction of aryl α,β-unsaturated esters with triethylsilane
Yogesh Kumar Renuka Yadav Anshu Kumar Sinha Pooja Rawat Gyandshwar Kumar Rao Chandra Mohan Srivastava Nirmala Kumari Jangid Anamika Srivastava Manish Srivastava Varun Rawat -
Open Access Article
7 - Theoretical study on the mechanism of hydromethoxylation catalyzed by palladium(II) complex
S. Ali Beyramabadi Ali Morsali -
Open Access Article
8 - Immobilization of palladium nanoparticles on the magnetic quantum dots based on the carbon of chitosan and its catalytic efficiency in reduction of nitroarenes
fatemeh rafiee niloofar tajfarQuantum dot carbon nanoparticles based on magnetic chitosan (Fe3O4@CQD) were prepared through hydrothermal carbonization of chitosan biopolymer and then magnetization with iron oxide (Fe3O4) nanoparticles. Then, in the presence of palladium chloride in ethanol as a solv MoreQuantum dot carbon nanoparticles based on magnetic chitosan (Fe3O4@CQD) were prepared through hydrothermal carbonization of chitosan biopolymer and then magnetization with iron oxide (Fe3O4) nanoparticles. Then, in the presence of palladium chloride in ethanol as a solvent under reflux conditions without using a reducing agent, palladium nanoparticles were stabilized on the surface of carbon quantum dots, and finally, Fe3O4@CQD@Pd nanocatalyst was obtained. The prepared nanocatalyst was characterized by photoluminescence (PL), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), Inductively coupled plasma (ICP), Vibrating-sample magnetometry (VSM), and X-ray diffraction (XRD) techniques. The efficiency of this magnetic nanocatalyst was evaluated in the reduction reaction of nitroarene derivatives as environmental pollutants, with electron-donating and electron-withdrawing. In the presence of prepared nanocatalyst, at room temperature, and in H2O:EtOH (1:1) as green solvent, aniline derivatives were obtained in excellent yields at short reaction times. Moreover, the nanocatalyst was separated by applying an external magnet and reused at least for four successive runs without a decrease in its catalytic activity. Manuscript profile -
Open Access Article
9 - Removal, pre-concentration and determination of palladium from different environmental water samples using modified magnetic nanoparticles prior to flame atomic absorption spectrometry
مریم حمیدی مجید رمضانیIn this study, a new sorbent based on dimethylglyoxim/sodium dodecyl sulfate - immobilized on TEOS-coated magnetic nanoparticles (Fe3O4@SiO2@SDS/DMG) was prepared as a simple, inexpensive, and fast method for pre-concentration and determination of trace amounts of palla MoreIn this study, a new sorbent based on dimethylglyoxim/sodium dodecyl sulfate - immobilized on TEOS-coated magnetic nanoparticles (Fe3O4@SiO2@SDS/DMG) was prepared as a simple, inexpensive, and fast method for pre-concentration and determination of trace amounts of palladium. In the proposed approach, the analytes retained on the sorbent are effectively eluted with thiourea– HCl solution and the absorbance of analyte was determined by flame atomic absorption spectrometry. The effects of different parameters on extraction efficiency such as effect of pH, extraction time, type and amount of eluent, and amount of absorbent phase were investigated and optimized by batch procedures. Under the optimum experimental conditions, the preconcentration factor, detection limit, linear range, and relative standard deviation (RSD) of palladium (II) ions were 250, 0.49 μgl-1, 125-3750μ gl-1, and 2.26 % (for 125μ gl-1, n=6), respectively. Finally, the method was successfully applied to the evaluation of Pd2+ in different environmental water samples. Manuscript profile -
Open Access Article
10 - Optimization of catalyst for oxidative cross-coupling reaction of pyridine N-oxides and benzofurans for the synthesis of biologically active compounds
ابراهیم کیان مهر رکسانا فضلی مارال غلامحسینیIn this study, oxidative coupling of pyridine N-oxides with benzofurans has been investigated through palladium-catalyzed oxidative coupling reactions. Benzofuran derivatives, especially 2-aryl benzofurans, exhibit many functional and biological properties such as antic MoreIn this study, oxidative coupling of pyridine N-oxides with benzofurans has been investigated through palladium-catalyzed oxidative coupling reactions. Benzofuran derivatives, especially 2-aryl benzofurans, exhibit many functional and biological properties such as anticancer, antifungal, and antimalaria activity. These compounds are also used to treat asthma and rheumatism. 2-Pyridyl benzofurans have electroluminescence properties and are used for imaging of beta-amyloid plaques in Alzheimer's disease. In this paper, a series of compounds with anticipated biological properties are prepared with high efficiency by direct formation of a carbon-carbon bond between the two carbon-hydrogen bonds of benzofuran and pyidine N-oxide derivatives bearing electron donating or withdrawing groups, using palladium acetate as a catalyst and copper acetate and bromide as oxidant Manuscript profile -
Open Access Article
11 - Determination of palladium based on micro-funnel and magnetic stirring assisted displacement liquid-phase microextraction method and optimization using response surface methodology
سید حسین هاشمی مسعود کیخوائی فهیمه نجاری زهرا منفردزادهIn this research, a simple and effective method was developed for pre-concentration and determination of palladium ion, based on displacement with Cu(DDTC)2 complex in aqueous samples. This method involves two steps. First, Cu2+ reacts with diethyldithiocarbamate to for MoreIn this research, a simple and effective method was developed for pre-concentration and determination of palladium ion, based on displacement with Cu(DDTC)2 complex in aqueous samples. This method involves two steps. First, Cu2+ reacts with diethyldithiocarbamate to form Cu(DDTC)2 complex, which is extracted by microfunnel-supported liquid phase microextraction method using n-octanol as extraction solvent. Next, Cu2+ was replaced with Pd2+ to form Pd(DDTC)2in the organic phase and then was measured using flame atomic absorption spectrometry. In order to optimize effective parameters, Box-Behnken design methods were used. Under optimized conditions, enhancement factor (EF), limit of detection (LOD), and relative standard deviation (RSD) (n=8) were obtained 153, 1.22 μg.l-1 and 4.9%, respectively. Finally, this method was successfully used to determine Pd in water samples. Manuscript profile -
Open Access Article
12 - Utilization of electrodeposition on a graphite probe modified with palladium in determination of lead by graphite furnace atomic absorption spectrometry in water and environmental samples
Ahmad Rouhollahi Reza Moradkhani Hamid Shirkhanloo Jahan B. Ghasemi -
Open Access Article
13 - Preconcentration and determination of palladium water samples by ionic liquid - dispersive liquid liquid microextraction combined with flame atomic absorption spectrometry
Majid Ramezani Mohsen Heidarzadeh Fatemeh Yousefi -
Open Access Article
14 - Investigation of the electrochemical activity of paladium-carbon nanotubes nanocomposite toward methanol oxidation in fuel cells and comparing it with the platinium one
Roghayeh KhaleghianmoghadamIn this study, the nanocomposite of palladium-carbon nanotubes-chitosan was synthesized and characterized by XRD and TEM techniques. The synthesized nanocomposite was used for the modification of glassy carbon electrods surfaces. Using cyclic voltammetry (CV) technique, MoreIn this study, the nanocomposite of palladium-carbon nanotubes-chitosan was synthesized and characterized by XRD and TEM techniques. The synthesized nanocomposite was used for the modification of glassy carbon electrods surfaces. Using cyclic voltammetry (CV) technique, the electrochemical activity of modified electrode (GC/PdNPs-MWCNTs-CH) toward methanol oxidation was investigted in a solution of 0.5 M sodium hydroxide and 1.0 M methanol. The results revealed that the synthesized nanocomposite shows a high catalytic activity toward methanol oxidation and thus has an efficiency for use as anode for the methanol fuel cells. The effects of different parameters such as methanol and electrolyte concentrations, potential range, and potential scan reate on the anodic current density and the peak potential of methanol oxidation were also investigted. Moreover, comparing the electrochemical activity of the palladiun nanocatalyst for methanol oxidation with that of the platinum-type, it was concluded that the former has a considerable activity closed to the platinum one. Therefore, it coulde be a souitable substituer for platinum in the methonl oxidation process. This substitution, also reduces the catalyst price. Manuscript profile