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نمایش تعداد 1-10 از 76

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    Evaluation of Electrochemical Reduction of Chloroform by Drop ‎Mercury Electrode 

    نوع: Journal Paper
    نویسنده : محمدحسین ارباب زوار; غلامحسین رونقی; محمود چمساز; نرجس اشرف; Mohammad Hossein Arbab Zavar; Glamhossein Ronagi; Mahmod CHamsaz; Narjes Ashraf
    سال: 2009
    خلاصه:

    In this work, the reduction wave of chloroform was studied by diffe rential pulse polarography (DPP) and square wave ‎voltammetry (SWV). The effects of supporting electrolyte and solvent were discussed. In DPP experiments, the ‎reduction wave...

    Optimization of oleylamine Fe3O4/MWCNTs nanocomposite modified GC electrode for electrochemical determination of ofloxacin 

    نوع: Journal Paper
    نویسنده : Kumar, D.R. - Manoj, D. - Santhanalakshmi, J.
    ناشر: American Scientific Publishers
    سال: 2014

    Preparation and electrochemical characterization of polyaniline functionalized copper bridges carbon nanotube for supercapacitor applications 

    نوع: Journal Paper
    نویسنده : Giri, S. - Das, C.K.
    ناشر: American Scientific Publishers
    سال: 2014

    Electrochemical determination of riboflavin using a synthesized ethyl[(methythio)carbonothioyl] glycinate monolayer modified gold electrode 

    نوع: Journal Paper
    نویسنده : فرشته کریمیان عظیمی صراف; غلامحسین رونقی; منیژه محدث زاده; Fereshteh Karimian Azimi Saraf; Glamhossein Ronagi; manijeh mohadeszadeh
    سال: 2016
    خلاصه:

    2). The electrochemical properties of the monolayer assembled on the gold disk, were investigated by cyclic voltammetry and electrochemical impedance spectroscopy. Under the optimized conditions, the voltammetric peak currents resulting from vitamin...

    Excellent Electrocatalytic Activity of Gold DVD@Au Nanoparticles Towards Oxidation of Sulfite: Application to Electrochemical Detection of Sulfite in Environmental Samples 

    نوع: Conference Paper
    نویسنده : خدیجه طاهری تربتی; نرجس اشرف; محمدحسین ارباب زوار; Khadijeh Taheri Torbati; Narjes Ashraf; Mohammad Hossein Arbab Zavar
    سال: 2016
    خلاصه:



    ferri/ferrocyanide solution at the surface of modified electrode. Electrochemical oxidation of sulfite at the

    surface of the modified electrode was investigated using cyclic voltammetry which showed the decreased

    oxidation overpotentials and increased current...

    Development of a dimethyl disulfide electrochemical sensor based on electrodeposited reduced graphene oxide-chitosan modified glassy carbon electrode 

    نوع: Journal Paper
    نویسنده : سمیه رجب زاده; غلامحسین رونقی; محمدحسین ارباب زوار; نرجس اشرف; SOMAYEH RAJABZADEH; Glamhossein Ronagi; Mohammad Hossein Arbab Zavar; Narjes Ashraf
    سال: 2014
    خلاصه:

    . The morphology and electrochemical properties of the CS/RGO film have been characterized by Transition Electron Microscopy (TEM) and cyclic voltammetry (CV). The effects of relevant parameters such as the electrodeposition techniques, the amounts of the graphene...

    Biophysical probing of the binding properties of a Cu(II) complex with G-quadruplex DNA: an experimental and computational study 

    نوع: Journal Paper
    نویسنده : محمدرضا حسین دخت; اسماء وردیان دوغایی; Mohammad Reza Housaindokht; asma verdian
    سال: 2015
    خلاصه:

    Telomerase inhibition through G-quadruplex stabilization by small molecules is of great interest as a novel anticancer therapeutic strategy. Here, we show that newly synthesized Cu-complex binds to G-quadruplex DNA and ...

    Mechanochemical leaching of chalcopyrite concentrate by sulfuric acid 

    نوع: Journal Paper
    نویسنده : فرهاد خرمشاهی محمدآباد; Sina Hejazi; جلیل وحدتی خاکی; ابوالفضل باباخانی; Farhad KhorramshahiMohammadAbad; Jalil Vahdati Khaki; Abolfazl Babakhani
    سال: 2016
    خلاصه:

    voltammetry were used to determine the leaching behavior of chalcopyrite. Moreover, X-ray diffraction and scanning electron microscopy were used to characterize the chalcopyrite powder before and after leaching. The results demonstrated that mechanochemical...

    Fabrication a new modified electrochemical sensor based on Au–Pd bimetallic nanoparticle decorated graphene for citalopram determination 

    نوع: Journal Paper
    نویسنده : لیلی دانشور; غلامحسین رونقی; زرین اسحاقی; محمود چمساز; سمیه ترحمی; leili daneshvar; Glamhossein Ronagi; Mahmod CHamsaz; somayeh tarahomi
    سال: 2016
    خلاصه:

    dispersion spectroscopy (EDS), electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and square wave voltammetry (SWV).

    The novel sensor exhibited an excellent catalytic activity towards the oxidation of CTL. The oxidation peak current...

    Simultaneous extraction and determination of lead, cadmium and copper in rice samples by a new pre-concentration technique: Hollow fiber solid phase microextraction combined with differential pulse anodic stripping voltammetry 

    نوع: Journal Paper
    نویسنده : Zarrin Es’haghi; Maryam Khalili; Ali Khazaeifar; غلامحسین رونقی; Glamhossein Ronagi
    سال: 2011
    خلاصه:

    In the present work, a novel solid phase microextraction (SPME) technique using a hollow fiber-supported sol–gel combined with multi-walled carbon nanotubes, coupled with differential pulse anodic stripping voltammetry (DPASV) was employed...

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