نتایج جستجو برای: cyclic voltametry cv

تعداد نتایج: 126513  

2012
Tahar Abbaz Amel Bendjeddou Abdelkrim Gouasmia Zine Regainia Didier Villemin

The synthesis and properties of a series of bis-tetrathiafulvalenes (bis-TTFs) containing nitrophenyl, aminophenyl or dimethylaminophenyl is reported. The synthesis was carried out by using routes involving Wittig-type, cross-coupling, reduction and alkylation reactions. The electron donor ability of these new compounds has been measured by cyclic voltammetry (CV). Charge transfer complexes wit...

2012
K. Ravi B. Krishnakumar M. Swaminathan

A new BiCl3-loaded montmorillonite K10 catalyst has been prepared by solid dispersion method and was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and cyclic voltammetry (CV) measurements. BiCl3 loaded K10 (BiCl3-K10) has been used as solid acid catalyst for the synthesis of azine derivatives from benzophenone hydrazone and ketones/aldehydes by ...

2010
Emilio Álvarez-Parrilla Ricardo Palos Laura A. de la Rosa Bernardo A. Frontana-Uribe Gustavo Adolfo González-Aguilar Lorena Machi Jesús Fernando Ayala-Zavala

Complexation of chlorogenic acid (CA) by b-cyclodextrin (b-CD) at mildly acidic pH, was studied by fluorescence spectroscopy, isothermal titration calorimetry (ITC), cyclic voltammetry (CV) and NMR spectroscopy. Thermodynamic parameters (DH°, DS° and K) determined by both fluorescence and ITC, showed that the complexation of CA by b-CD is an enthalpy-driven process. Results show that CA molecul...

2017

Submit Manuscript | http://medcraveonline.com Abbreviations: aMBs: Allosteric Molecular Beacons; AuNPs: Gold Nanoparticles; CNTs: Carbon Nanotubes; CV: Cyclic Voltammetry; DPV: Differential Pulse Voltammetry; dsDNA: Double Stranded DNA; FRET: Fluorescence Resonance Energy Transfer; G-DNA Genomic DNA; GMO: Genetically Modified Organisms; ITO: Indium Tin Oxide; LOD: Limit of Detection; MB: Molecu...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2005
Jia Li Xuanmin Liu Manli Guo Yingju Liu Shanchao Liu Shouzhuo Yao

The electrochemical behavior of breast cancer cells was studied on a graphite electrode by cyclic voltammetry (CV) and potentiometric stripping analysis (PSA). In both cases, only one oxidative peak at approximately +0.75 V was observed. The peak area in PSA was used to study the growth of the cells and the effect of diosgenin on MCF-7 cells. The results showed that diosgenin can effectively in...

Journal: :Chemical communications 2011
Kallum M Koczkur Emad M Hamed Colin R Hesp Abdelaziz Houmam

The reduction of N-(p-fluorobenzenesulfonyl)phthalimide on polycrystalline gold and Au(111) was studied. Our key finding is the decomposition of the compound on the surface, leaving only sulfur behind. This was supported by X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV) and scanning tunneling microscopy (STM). The modification leads to observation by STM of well-known as well a...

Journal: :Human reproduction 2011
Hans-Peter Steiner

Ovulation in the absence of the ovarian surface epithelium in the primate. Biol Reprod 2010;82:599–605. Wright JW, Jurevic L, Stouffer RL. Dynamics of the primate ovarian surface epithelium during the ovulatory menstrual cycle. Hum Reprod 2011a; 26:1408–1421. Wright JW, Pejovic T, Jurevic L, Bishop CV, Hobbs T, Stouffer RL. Ovarian surface epitheliectomy in the non-human primate: continued cycl...

Journal: :Bulletin of The Chemical Society of Ethiopia 2022

ABSTRACT. The mechanical attachment method was used to modify the glass carbon electrode (GCE) with polyaniline nanoparticles (PANI NPs) produce a new nanosensor (PAN NPs/GCE). Electrochemical properties studied by nano working using cyclic voltammetric (CV) technique develop oxidation – reduction reaction. K4[Fe(CN)6] solution is one of standard solutions for CV titration redox peak current Fe...

Journal: :ChemElectroChem 2021

Micro emulsions (MEs) offer an exceptionally broad spectrum of applications covering sensing, electrosynthesis, supercapacitors and redox-flow batteries. Herein, we develop the theory for a sophisticated electrochemical characterizion MEs with spatially time-invariant anisotropy in diffusion domain by means cyclic voltammerty (CV). By introducing dependent coefficients into Ficks' first law, de...

Journal: :European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 2011
Tatsuya Kawasaki Michiyo Yamano Toshiro Kuribayashi Satoshi Kaimoto Shigeyuki Miki Tadaaki Kamitani Hiroaki Matsubara Hiroki Sugihara

AIMS A necropsy study of patients with hypertrophic cardiomyopathy (HCM) who died at a young age exhibited marked disarray and fibrosis in the mid-wall layer of the left ventricular (LV) myocardium. We assessed ultrasonic tissue characteristics in the three layers of the ventricular septum (VS), and correlated the result with long-term prognosis in HCM. METHODS AND RESULTS The magnitude of cy...

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