Materials Literature
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We present a calculation of the quasiparticle decay rate due to electron-electron interactions in a doped graphene sheet. In particular, we emphasize subtle differences between the perturbative calculation of this quantity in a doped graphene sheet and the corresponding one in ordinary parabolic-band two-dimensional (…
To understand the role of different metallurgical parameters on the void formation mechanisms, various austenitic stainless steels were elaborated and irradiated with heavy ions. Two alloys, in several metallurgical conditions (15Cr/15Ni–Ti and 15Cr/25Ni–Ti), were irradiated in the JANNUS-Saclay facility at 600 °C wit…
The control of the oxidation time of helical-ribbon carbon nanofibers enables the production of a wide variety of graphene materials.
A hybridization chain reaction (HCR) lightened by DNA-stabilized silver nanoclusters (AgNCs) as a label-free and turn on fluorescence platform for nucleic acid assays.
The theoretical study on the molecular structure of a serie of <i>p</i>-aminophenyl benzene-fused bis tetrathiafulvalenes is presented. Optimized geometry of the title compound was calculated using DFT method at the level of B3LYP theory and 6-31G(d,p) basis set. The HOMO and LUMO analysis were used to determine the c…
Understanding how nanoparticle properties such as size, morphology and rigidity influence their circulation time and biodistribution is essential for the development of nanomedicine therapies. Herein we assess the influence of morphology on cellular internalization, in vivo biodistribution and circulation time of nano…
Polypentafluorostyrene chains were anchored on the surface of silica nanoparticles by nitroxide-mediated polymerization with PS–DEPN as macroinitiator using a “grafting through” strategy. Relevant hydrophobic surface properties were evidenced.
The ferroelectric, piezoelectric and electrostrictive properties of BaTiO3 (BT) dense ceramic synthesized by solid-state reaction were investigated. X-ray diffraction study confirmed tetragonal crystal structure having c/a ~1.0144. The dense microstructure was evidenced from morphological studies with an average grain…
The article analyzes the influence of the main technological parameters of electrostatic spinning on the morphology and properties of ultrathin fibers on the basis of polyhydroxybutyrate. It is found that the electric conductivity and viscosity of the spinning solution affects the process of forming fibers macrostruct…
The effect of montmorillonite on the structure and properties of nonwoven microfibrous materials based on polyamide-6 and prepared by electrospinning of the polymer melt was studied. Addition of 3% montmorillonite into the melt increases its viscosity and electrical conductivity, with the mean diameter of the formed f…
Nanocarriers designed, synthesized and characterized for the targeted delivery of diagnostic and therapeutic <sup>99m</sup> Tc to folate-overexpressing tumors.
5,10,15,20-Tetrakis-(4-hydroxymethylphenyl)porphyrin (THMP), metalloporphyrin [(Co( <sc>iii</sc> )THMP)] and its nanocomposites with graphene oxide (GO–CoTHMP) were synthesized for the first time.
Large sized crystals of Na2TeW2O9 with dimensions up to 75 × 35 × 25 mm3 were successfully grown using an optimized top-seeded solution growth method. The as-grown Na2TeW2O9 single crystal exhibits well-developed faces with the major forms {200}, {002}, {202}, and {220}, which are in superior accordance with the ideal…
The structural stability, electronic and optical properties of α-Si3N4 nanobelts orientating along the different directions with surface H, F and Cl modifications are investigated using first-principles methods. The stabilities of α-Si3N4 nanobelts are greatly affected by the surface modifications and increased in the…
The surface height fluctuations of a layer of low molecular weight (2.2k) untethered perdeuterated polystyrene (dPS) chains adjacent to a densely grafted polystyrene brush are slowed dramatically. Due to the interpenetration of the brush with the layer of "untethered chains" a hydrodynamic continuum theory can only de…
Addition of polyethylenimine into drug loaded hydrogel nanoparticle leads to enhanced cellular uptake, better ability to control drug release and deliver drugs to the cytosol, while evading the endosomes.
The synthesis of aza(dibenzopyrro)methenes (ADBMs) using aryl boron compounds as templates is described. Compounds ( <bold>1–3</bold> ) are structurally related to the BODIPYs and were isolated with terminal imine, oxo, or mixed imine-oxo groups. Compounds <bold>1–3</bold> were investigated for their absorption/emissi…
We fabricate Cu <sub>2−x</sub> Se/CNT nanohybrids with enhanced photo-thermal performance compared to the individual components and further exploit them for the ablation of cancer cells.
RuO <sub>2</sub> · <italic>x</italic> H <sub>2</sub> O/CoAl-LDH synthesized by the co-precipitation method was pretreated by different temperature which showed the highest activity at 200 °C.
Silicon quantum dots obtained by the reaction of magnesium silicide with ethylenediamine dihydrochloride were utilized to investigate the sensing mechanism and sensitivity for DMNB detection applications. Sensing DMNB provided us with evidence that Si QDs with a higher lying conduction band have better sensitivity com…