Versatile Micrielectrode Assembly for Nanosecond Pulse Delivery to Cell Suspensions
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39.Smaller is Softer: Tuning hardness and adhesion of transparent conductive oxide nanolaminates beyond their constituents: Low Temperature ALD of Al2O3/ZnO
International audience
Carbonation of concrete with high substitution of cement by blast furnace slag: influence of interaction between drying and hydration
International audience
Photocatalysis and Microbial Fungal Cells: Understanding Inactivation Mechanisms
International @ EAU+CGU
Lumped-element directional coupler with arbitrary output amplitude and phase distributions as building block for beam forming networks
International audience
Structural Studies of Hybrid Electroactive Polymer Materials Using Modern Experimental and Analytical Methods
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Porous Silicon Templates with High Aspect Ratio for Nanocomposites Formation
The paper describes the fabrication process of templates with high aspect ratio suitable for formation of nanomposites with enhanced anisotropy. The templates are thick ordered porous silicon layers formed with the pulsed galvanostatic mode. Characteristic feature of the developed mode is a short reversed polarity pul…
Space and time resolved characterization of in-air Pulsed Atmospheric Plasma Streams for biomedical applications
Non-Thermal Atmospheric Pressure Plasma Jets (NT-APPJ) are powerful tools of great interest for the growing Plasma Medicine field. The Plasma Gun, developed in GREMI, producing Pulsed Atmospheric pressure Plasma Streams (PAPS) is used for in vitro and in vivo studies of the antitumor effect of plasmas. Besides numerou…
Structure and the Physico-Mechanical Properties of the Ceramic Coatings Obtained by the Cumulative -Detonation Device
Dense, with good adhesion to the substrate, hard, wear-resistant coatings from the powder of Al2O3 were obtained on the surface of the steel (STE255) by using the cumulative-detonation device. The results of investigations of the structure and physico-mechanical properties of the coatings by using scanning, optical mi…
Elaboration of Nanocomposites Based on Poly (Ethyl Methacrylate-co-Acrylonitrile) by In Situ Polymerization Using an Algerian Bentonite. Thermal Stability and Kinetic Study
This contribution focuses on the synthesis and characterization of nanocomposites based on poly (ethyl methacrylate-co-acrylonitrile) (PEMAN) and different loadings of an organically modified bentonite from Algeria prepared via in situ polymerization. TEM images and X-ray patterns revealed that depending on the loadin…
Effects of combined plasma jet and gemcitabine treatments on tumor proliferation of a murine orthotopic pancreatic carcinoma model
Cancer of the exocrine pancreas is rarely curable and has an overall survival rate of less than 4%. While it is relatively rare for the time being, pancreatic cancer is also one of the most formidable and its incidence appears to increase significantly with number of cases of diabetes. Chemotherapy and radiotherapy tr…
In vitro antitumor activity of plasma Gun
Our group has recently showed a marked antitumor effect of DBD plasma treatment in vivo on U87 glioma bearing mice. Beside these results in vivo, various studies have showed an antitumor effect of plasma treatment on various cancer cells lines in vitro by apoptosis induction using DBD or plasma jet. In our lab, develo…
Observation of the Curie Transition in Palladium Bionanomaterial Using Muon Spin Rotation Spectroscopy
Palladium bionanomaterial was manufactured using the sulfate-reducing bacterium, Desulfovibrio desulfuricans, to reduce soluble Pd(II) ions to cell-bound Pd(0). The material was examined using a Superconducting Quantum Interference Device (SQUID) to observe bulk magnetisation over the temperature range 10 – 300 K and…
The influence of stabilizing impurities and annealing on the structure and mechanical properties of partially stabilized zirconia.
The phase composition and evolution of the twin structure of PSZ crystals, depending of the concentration stabilizing impurities have been investigated by X-ray diffraction and transmission electron microscopy. The measurements of hardness and fracture toughness by microindentation have been carried out. In work is sh…
Mechanical Properties of Nano- and Submicrocrystalline Iron Subjected to Severe Plastic Deformation by Friction
By using nanoindentation technique relationship between microstructure and mechanical parameters such as nanohardness Hh, plasticity characteristic A, and Young’s modulus E were found to be dependent on the grain size of the -Fe subjected to severe plastic deformation by friction (SPDF) with argon atmosphere. Unlike f…
Electrosynthesis of Chirality Conducting Poly[N-（9-fluorenylmethoxycarbonyl）-L-phenylalanine] with Good Blue Light-Emitting Properties
Poly[N-（9-fluorenylmethoxycarbonyl）-L-phenylalanine] （PN9FPA） films with good fluorescence properties and chirality were prepared electrochemically by direct anodic oxidation of N-（9-fluorenylmethoxycarbonyl）- L-phenylalanine （N9FPA） in boron trifluoride diethyletherate （BFEE）. Fourier transform infrared spectroscopy…
Synthesis and Characterization of Dendrimer-Encapsulated Bimetallic Core-Shell PdPt Nanoparticles
Using a successive method, PAMAM dendrimer-encapsulated bimetallic PdPt nanoparticles have been successfully prepared with core-shell structures （Pd@Pt DENs）. Evidenced by UV-vis spectra, high resolution trans- mission electron microscopy, and X-ray energy dispersive spectroscopy （EDS）, the obtained Pd@Pt DENs are mon…
Theoretical Study of the Mechanism of Cycloaddition Reaction between Silylene Silylene （H2Si=Si：） and Acetone
The mechanism of the cycloaddition reaction between singlet silylene silylene （H2Si = Si：） and acetone has been investigated with the CCSD （T）//MP2/6-31 G＊ method, According to the potential energy profile, it can be predicted that the reaction has two competitive dominant reaction channels. The present rule of this r…
Fullerene Black: Structure, Properties and Possible Applications
This review concerns the fullerene black, a poorly known nano-sized carbon material, the insoluble recidue after extraction of fullerenes from fullerene soot produced by arc evaporation of carbon material (usually graphite) in a helium atmosphere. This by-product of the production of fullerenes, whose yield reaches 80…
Competitive Nanotechnologies for Fabrication of Thin Films and Powderlike Nanomaterials
The present paper contains new data on the nanotechnologies for fabrication of fine-grained powderlike particles, films, bulk materials, nanocomposites, nanochips and devices for microelectronics, nanoelectronics, photonics and photocatalysis. The technology providing the replacement of precious metals by nonprecious…