نتایج جستجو برای: نانوکامپوزیت mgo go

تعداد نتایج: 90148  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کردستان - دانشکده علوم 1392

از میان روش های متنوعی که برای تعیین کمی آنالیت ها توسعه داده شده اند روش های الکتروشیمیایی به دلیل سادگی و حساسیت بالا از اهمیت زیادی برخوردارند. اما واکنش اکسیداسیون و احیای مستقیم آنالیت در سطح الکترود معمولی، برگشت ناپذیر بوده و نیاز به اضافه ولتاژ بالایی دارد. بالا بودن اضافه ولتاژ، باعث آلوده شدن الکترود و کاهش تکرار پذیری، گزینش پذیری و حساسیت می شود. امروزه نانوذرات به عنوان یک گزینه بس...

Journal: :basic and clinical neuroscience 0
leila jahangiri department of biology, faculty of sciences, shahid chamran university, ahvaz, iran. mahnaz kesmati department of biology, faculty of sciences, shahid chamran university, ahvaz, iran. hossein najafzadeh department of pharmacology & toxicology, faculty of veterinary medicine, shahid chamran university, ahvaz (iran)

introduction: some studies show magnesium has anticonvulsive effect in some animal models. despite of the availability of well-studied anticonvulsant drugs, this evaluation was not carried on new kind of magnesium supplement, magnesium oxide nanoparticles (nmgo). according to the interaction between magnesium and convulsion, this study was designed to evaluate the effect of nmgo on strychnine-i...

2009
Min Ho Joo Kyu Ho Park Jong Wan Lee

The effect of aging temperature on discharge characteristics of the MgO film of alternating currentplasma display panels (AC-PDPs) has been investigated from the point of view of surface contamination on the MgO protective layer. AC-PDP front panel samples were tested with Ne-Xe (4%) gas discharge after aging at elevated substrate temperatures. Real time analysis of the plasma composition near ...

2004
Rhett T. Brewer David A. Boyd Mohamed Y. El-Naggar Stacey W. Boland Young-Bae Park Sossina M. Haile David G. Goodwin Harry A. Atwater

We prepared highly aligned, biaxially textured BaxPb1−xTiO3 (PBT) on amorphous Si3N4 by using an ion-beam-assisted deposited MgO as a template layer. PBT was deposited on a biaxially textured MgO using sol-gel synthesis, metal-organic chemical-vapor deposition, and molecular beam epitaxy. The biaxial texture of the PBT was inherited from the MgO template. The reflection high-energy electron dif...

Journal: :Nanotechnology 2009
W W Zhou L Sun T Yu J X Zhang H Gong H J Fan

The structure of metal nanoparticles embedded inside dielectric nanowires/nanotubes, namely nanopeapods, has been of increasing interest due to their unusual photoresponse and optical adsorption properties. This paper presents a type of new inorganic nanopeapod: faceted Au nanoparticles inside MgO nanowires. The Au self-assembles into a nanoparticle chain during the vapor-liquid-solid growth of...

2003
C. Xu D. W. Goodman

Adsorption of DzO on the MgO(100)/Mo(100) surface has been studied using temperature programmed desorption (TPD), reflection absorption infrared spectroscopy (RAIRS) and low energy electron diffraction (LEED). The epitaxially grown MgO(100) films show virtually identical water TPD spectra as the single crystal MgO(100) surface. The first, chemisorbed layer is adsorbed with the plane of the mole...

2013
Junghyun Kim Yun Mi Lee Chan-Sik Kim Eunjin Sohn Kyuhyung Jo So Dam Shin Jin Sook Kim

Pyruvate is an endogenous antioxidant substance. The aim of this study was to investigate the protective effects of ethyl pyruvate (EP) on retinal vascular injury in diabetic retinopathy. To investigate the protective effect of EP on vascular cell apoptosis and blood-retinal barrier (BRB) breakage, we have used intravitreally methylglyoxal-(MGO-) injected rat eyes. Apoptosis of the retinal vasc...

Journal: :Physical chemistry chemical physics : PCCP 2010
M Bieletzki T Hynninen T M Soini M Pivetta C R Henry A S Foster F Esch C Barth U Heiz

The surface topography and local surface work function of ultrathin MgO(001) films on Ag(001) have been studied by noncontact atomic force microscopy (nc-AFM) and Kelvin probe force microscopy (KPFM). First principles calculations have been used to explain the contrast formation of nc-AFM images. In agreement with literature, thin MgO films grow in islands with a quasi rectangular shape. Contra...

2009
A. Yoneda

present success was attained by making various technical developments, such as a liquid-solid hybrid system and indium bond between sample and buffer-rod. Analytical procedures were also developed both in required corrections for apparent travel times, and in formulation of pressure effect on elasticity. A distinct shear softening was found in MgAl2O4, and was predicted to occur in MgO beyond 3...

Journal: :Journal of chromatographic science 2008
A J Kandhro M Aslam Mirza M Y Khuhawar

Stilbenediamine is used as derivatizing reagent for methylglyoxal (MGo) and dimethylglyoxal for the gas chromatographic (GC) determination of MGo from the serum of diabetic patients and healthy volunteers. The derivatization is obtained at pH 3. GC elution and separation are carried out on an HP5 column (30 m x 0.32 mm i.d.) at column temperature 150 degrees C with a programmed heating rate of ...

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