Materials Literature
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A new phase separation methodology has been initially proposed for creating white or colorful super-hydrophobic coatings on the surfaces of various material substrates simply by using a common polymer, i.e., polycarbonate (PC), and its solvent and non-solvents suitably selected. The cleaned substrates were first dippe…
Unusual hierarchical stacked superstructures of cubic beta-In2S3 were fabricated via a facile hydrothermal process in the presence of a surfactant cetyltrimethylammonium bromide CTAB; the 3D superstructures were developed by helical propagation of surface steps from microflakes of 10-20 nm thickness.
The impedance behavior of nanotubular self-organized porous TiO 2 ͑PTO͒ films with thickness of Ͼ2 m, 100 nm pore diameter, and 150 nm average spacing formed on titanium by anodization in 1 M Na 2 SO 4 solution +0.5 wt % NaF was investigated and compared to the behavior of compact TiO 2 layers ͑CTO͒.At potentials clos…
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The feasibility of using Gd dendrimer-based macromolecules (Gd-G8 dendrimer) as a dual CT and MR contrast agent for monitoring convection-enhanced delivery of therapy in the brain is evaluated both in vitro and in vivo with optimal dosing established. In vitro CT attenuation values of the Gd-based agents ( approximate…
The synthesis, structures and multifunctional sensory properties of amphiphilic poly[2,7-(9,9-dihexylfluorene)]-block-poly[2-(dimethylamino)ethyl methacrylate] (PF-b-PDMAEMA) rod-coil diblock copolymers are reported. The new copolymers, with PDMAEMA coil lengths of 31, 45, 93 and 185 repeating units, were synthesized…
A 2205 duplex stainless steel, which had undergone a slow cooling process in order to precipitate intermetallic phases, was characterized by means of magnetic force microscopy (MFM) and scanning Kelvin probe force microscopy (SKPFM), in addition to conventional scanning electron microscope and energy-dispersive spectr…
The development of a meaningful dissolution procedure for drug products with limited water solubility has been a challenge to the pharmaceutical industry. Aceclofenac (BCS Class II drug) is a nonsteroidal anti-inflammatory drug. There is no official dissolution medium available in the literature. In the present study,…
The morphological changes of micelles composed of triblock copolymer of ethylene oxide and propylene oxide (EO20PO70EO20) in the presence of different inorganic salts and ethanol have been investigated using dynamic light scattering (DLS), rheometry, and cryogenic transmission electron microscopy (cryo-EM). The follow…
The performances of hydrous Ru oxide supercapacitors have been characterized by cyclic voltammetry, constant current discharge, and impedance experiments. The effective series resistance (ESR) was reduced to 0.10 Ω cm2 by using a Nafion®NRE 211 separator, providing a power density of over 100 kW kg−1 at 5 W h kg−1, ca…
The reaction of (S)P[N(CH(3))N=CH-C(6)H(3)-2-OH-3-OCH(3)](3) with a Mn(II) salt followed by a Ln(III) salt (Ln = Eu, Gd and Dy), afforded linear heterometallic complexes [L(2)Mn(2)Ln](+) that showed interesting magnetic properties.
Biological materials naturally display a variety of functional structures highly organized at the nanoscale. Various bioassemblies have been shown to template complex, multidimensional inorganic nanoarchitectures that are typically not available by conventional synthetic methodologies. In addition to the various natur…
The excellent pseudoelasticity, shape memory and biocompatibility of Nitinol has made it a leading candidate for various applications, including aerospace, micro-electronics and medical devices. Challenges associated with the welding Nitinol need to be resolved before its full potential in practical applications can b…
If titanium dioxide nanoparticles are inert and non-biodegradable, they must be evaluated similarly to fullerenes, carbon nanotubes and asbestos. We surveyed the titanium level in typical raw food materials, and then intravenously injected titanium dioxide nanoparticles (primary particle diameter: 15 nm; secondary par…
Diarylethene derivatives with oxidized thiophene rings shift their absorption band to a shorter wavelength in the UV region upon photocyclization; no color change was observed during the photochromic reaction, and the invisible photochromism is advantageous for devices used under room light.
A new route for the preparation of magneto-responsive polymeric gels involving iron nanoparticles as nano cross-linkers has been described.
Electrochemical Behaviors of Mixed Conducting Oxide Anodes for Solid Oxide Fuel Cell, Nakamura, Takashi, Kobayashi, Tsuneyuki, Yashiro, Keiji, Kaimai, Atsushi, Otake, Takanori, Sato, Kazuhisa, Mizusaki, Junichiro, Kawada, Tatsuya
Sensory perception of fat is related to orally perceived in-mouth friction. From this perspective, we investigate adhesion and spreading of emulsion droplets on solid surfaces and connect it to the ability of food emulsions to lower friction. Furthermore, we study what the contribution is of the separate colloidal for…
A tetrametallic iridium-ytterbium complex has been synthesised that shows sensitized near-infrared emission (lambda(max) = 976 nm) upon excitation of the iridium unit in the visible region (400 nm) due to efficient energy transfer from the iridium units to the Yb(III) ion. The iridium phosphorescence is quenched nearl…
An organic molecule, (EtO)3Si(CH2)3NH(CO)NH–(CH2)12–NH(CO)NH(CH2)3Si(OEt)3, combining urea functionalities and a 12-carbon alkyl chain, underwent sol–gel reactions in the presence of an acid catalyst, a large excess of water and variable amounts of EuCl3, giving rise to the formation of crystalline hybrids through a s…