Materials Literature
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ABSTRACT Natural rubber latex contains different allergenic proteins and peptides that restrict its application in consumer products. Small mineral particles have a comparatively high specific surface area and are therefore well suited to adsorb such biomolecules. The adsorption of such biomolecules onto different pol…
A high dye coverage on the TiO 2 surface diminishes dye-sensitized solar cell (DSSC) performances because of the significant degree of excited electron and hole recombination that results from the strong dye–dye intermolecular interactions. In this study, interplay between dye coverage and photovoltaic performances of…
INTRODUCTION: Cardiac surgery is accompanied by an increase of oxidative stress, a significantly reduced antioxidant (AOX) capacity, postoperative inflammation, all of which may promote the development of organ dysfunction and an increase in mortality. Selenium is an essential co-factor of various antioxidant enzymes.…
A novel approach, based on surface-enhanced Raman scattering (SERS) and 5,5′-dithiobis-(2-nitrobenzoic acid) (DTNB) functionalized silver nanoparticles, was developed to determine the critical micelle concentration (CMC) of cationic surfactants. A graph was generated by plotting the Raman intensity ratio between the a…
In this article, the generalized thermoelastic problem of an axially moving microbeam subjected to ramp-type heating is studied. Based on the heat conduction equation containing the thermoelastic coupling term and the classical Euler–Bernoulli thin beam theory, the thermoelastic coupling differential equation of motio…
Hollow chalcopyrite CuInSe2 nanospheres are prepared by colloidal synthesis, for the first time, and assembled inside TiO2 nanotube arrays (NTAs) as a high performance photocatalyst for hydrogen evolution. In order to improve the charge separation, we engineer the CuInSe2-based photoelectrode with a novel strategy: th…
To explore the potential of ternary blend bulk heterojunction (BHJ) solar cells as a general platform for improving the performance of organic photovoltaics, we studied a ternary BHJ system based on poly(3-hexylthiophene) (P3HT), [6,6]-phenyl C61 butyric acid methyl ester (PC 61 BM), and DTDCTB. The optimized ternary…
AEROSIL(®) P25 titanium dioxide (TiO2) nanoparticles dispersed in 0.2% disodium phosphate solution were intratracheally administered to male F344 rats at doses of 0 (control), 0.375, 0.75, 1.5, 3.0, and 6.0 mg/kg. The rats were sacrificed under anesthesia at 1 day, 3 days, 7 days, 4 weeks, 13 weeks, and 26 weeks after…
The application study of phosphorescence complexes is important for further investigation and exploration of novel optofunctional materials. In this work, neutral poly(vinylcarbazole) (PVK) and tris[2-(4,6-difluorophenyl)pyridinato-C 2,N]iridium(III) (Ir(F 2 ppy) 3 ) were assembled with LDH nanosheets to form ordered…
In this study, a flexible tool to simulate the bulk optical properties of polydisperse spherical particles in an absorbing host medium is described. The generalized Mie solution for Maxwell's equations is consulted to simulate the optical properties for a spherical particle in an absorbing host, while polydispersity o…
The analytical potential of ArF* excimer Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) is investigated for fast qualitative depth profile analysis of multi-layer CdTe photovoltaic (PV) devices.
Natural extract graminoids coordinated with plasmonic silver nanoparticles are reported to serve as efficient light harvesting antennas for bio-photovoltaic cells, where emission quenching by silver nanoparticles facilitates electron collection from natural sensitizers. Moreover, the (100) nanosheet of titanium dioxid…
We report the low-temperature properties of ${}^{11}\mathrm{B}$-enriched single-crystal ${\mathrm{CrB}}_{2}$ as prepared from high-purity Cr and B powder by a solid-state reaction and optical float zoning. The electrical resistivity, ${\ensuremath{\rho}}_{\mathrm{xx}}$, Hall effect, ${\ensuremath{\rho}}_{\mathrm{xy}}$…
Here we present the first report of a carbon-γ-Fe₂O₃ nanoparticle composite of mesoporous carbon, bearing COOH- and phenolic OH- functional groups on its surface, a remarkable and magnetically separable adsorbent, for the radioactive material emitted by the Fukushima Daiichi nuclear power plant accident. Contaminated…
The gate-opening adsorption behavior of the one-dimensional chain compound [Ru2(4-Cl-2-OMePhCO2)4(phz)] (1; 4-Cl-2-OMePhCO2(-) = 4-chloro-o-anisate; phz = phenazine) for various gases (O2, NO, and CO2) was electronically monitored in situ by applying ac electric fields to pelletized samples attached to a cryostat, whi…
We investigated the effects of an increase in the barrier height on the enhancement of the efficiency of two-step photo-excitation in InAs quantum dot (QD) solar cells with a dot-in-well structure. Thermal carrier escape of electrons pumped in QD states was drastically reduced by sandwiching InAs/GaAs QDs with a high…
The electrochemical organic memristive device with polyaniline active layer is a stand-alone device designed and realized for reproduction of some synapse properties in the innovative electronic circuits, including the neuromorphic networks capable for learning. In this work, a new theoretical model of the polyaniline…
We report a low-voltage-driven amorphous indium-gallium-zinc oxide (a-IGZO) semiconductor-based Corbino (circular) thin-film transistor (TFT) with infinite output resistance beyond pinchoff. The Corbino TFT has inner and outer concentric ring electrodes, and when the latter is the drain, channel width (W) decreases wi…
Autologous tissue-engineered blood vessels (TEBVs) generated using adult stem cells have shown promising results, but many preclinical evaluations do not test the efficacy of stem cells from patient populations likely to need therapy (i.e., elderly and diabetic humans). Two critical functions of these cells will be (i…
Two types of multi-walled carbon nanotubes (MWCNTs) functionalized with dendrimer/hydroxyapatite (HAp) nanohybrids viz., MWCNTs-poly(propylene imine) generation 2 (G2)-HAp (MWCNTs-PPI(G2)/HAp) and MWCNTs-poly(propylene imine) generation 3 (G3)-HAp (MWCNTs-PPI(G3)/HAp) were prepared. Initially, pristine-MWCNTs were oxi…