نتایج جستجو برای: نانو mgo

تعداد نتایج: 21348  

2015
Zhongmou Liu Xianze Wang Zhen Luo Mingxin Huo Jinghui Wu Hongliang Huo Wu Yang Yogendra Kumar Mishra

The magnetic graphene oxide (MGO) was successfully synthesised by the in situ chemical co-precipitation method with Fe3+, Fe2+ and graphene oxide (GO) in laboratory and, was used as an adsorbent for disinfection by-product (DBP) precursors removing from four natural surface water samples. The results indicate that various DBPs formation significantly decreased by 7-19% to 78-98% for the four sa...

Journal: :Physical review letters 2013
T Jaouen S Tricot G Delhaye B Lépine D Sébilleau G Jézéquel P Schieffer

By combining x-ray excited Auger electron diffraction experiments and multiple scattering calculations we reveal a layer-resolved shift for the Mg KL23L23 Auger transition in MgO ultrathin films (4-6 Å) on Ag(001). This resolution is exploited to demonstrate the possibility of controlling Mg atom incorporation at the MgO/Ag(001) interface by exposing the MgO films to a Mg flux. A substantial re...

Journal: :Acta biochimica et biophysica Sinica 2014
Bingjie Xie Fankai Lin Lei Peng Kaleem Ullah Hanyan Wu Hong Qing Yulin Deng

More and more studies have suggested that methylglyoxal (MGO) induced by type-2 diabetes is related to Parkinson's disease (PD). However, little is known about the molecular mechanism. In this study, we explored the MGO toxicity in neuroblastoma SH-SY5Y cells. Neurotoxicity of MGO was measured by mitochondrial membrane potential, malondialdehyde, and methylthiazoletetrazolium assays. The levels...

2016
Dorj Odkhuu

The exploration of electric field controlled magnetism has come under scrutiny for its intriguing magnetoelectric phenomenon as well as technological advances in spintronics. Herein, the tremendous effect of an epitaxial strain on voltage-controlled perpendicular magnetic anisotropy (VPMA) is demonstrated in a transition-metal|ferromagnet|MgO (TM|FM|MgO) heterostructure from first-principles el...

2014
Wei-Chun Chen Chun-Yen Peng Li Chang

TiN thin films were deposited on MgO (100) substrates at different substrate temperatures using rf sputtering with Ar/N2 ratio of about 10. At 700°C, the growth rate of TiN was approximately 0.05 μm/h. The structural and electrical properties of TiN thin films were characterized with x-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM), transmission electro...

2014
Daniel J. Hickey

Magnesium in the body regulates nucleic acid chemistry, mediates cell-cell and cellextracellular matrix (ECM) interactions via integrin activation, and directly influences mineral formation and resorption in bone. Importantly, magnesium oxide (MgO) nanoparticles also exhibit powerful antibacterial properties. Here, MgO nanoparticles were dispersed within poly-L-lactic acid (PLLA) composites and...

Journal: :Nanoscale 2016
Shuang Liu Yufeng Luo Gaolin Liang

Methylglyoxal (MGO) is a toxic, dicarbonyl metabolite in all living cells and its detoxification is regulated by glyoxalase I (GLOI). Herein, we rationally designed a precursor o-phenylenediamine-Phe-Phe-OH (1) which “click” reacts with MGO to yield amphiphilic methylquinoxaline-Phe-Phe-OH (2) to self-assemble into supramolecular hydrogel II (Gel II). Cryo-TEM images of Gel II suggested that th...

2017
Cecilia Nigro Alessia Leone Gregory Alexander Raciti Michele Longo Paola Mirra Pietro Formisano Francesco Beguinot Claudia Miele

The highly reactive dicarbonyl methylglyoxal (MGO) is mainly formed as byproduct of glycolysis. Therefore, high blood glucose levels determine increased MGO accumulation. Nonetheless, MGO levels are also increased as consequence of the ineffective action of its main detoxification pathway, the glyoxalase system, of which glyoxalase 1 (Glo1) is the rate-limiting enzyme. Indeed, a physiological d...

Journal: :Journal of the American Chemical Society 2009
Chris Harding Vahideh Habibpour Sebastian Kunz Adrian Nam-Su Farnbacher Ueli Heiz Bokwon Yoon Uzi Landman

Control and tunability of the catalytic oxidation of CO by gold clusters deposited on MgO surfaces grown on molybdenum, Mo(100), to various thicknesses are explored through temperature-programmed reaction measurements on mass-selected 20-atom gold clusters and via first-principles density functional theory calculations. Au(20) was chosen because in the gas phase it is characterized as an extrao...

2018
Cecilia Nigro Paola Mirra Immacolata Prevenzano Alessia Leone Francesca Fiory Michele Longo Serena Cabaro Francesco Oriente Francesco Beguinot Claudia Miele

Evidence has been provided linking microRNAs (miRNAs) and diabetic complications, by the regulation of molecular pathways, including insulin-signaling, involved in the pathophysiology of vascular dysfunction. Methylglyoxal (MGO) accumulates in diabetes and is associated with cardiovascular complications. This study aims to analyze the contribution of miRNAs in the MGO-induced damaging effect on...

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