Materials Literature
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Rare earth terbium (III) ternary complexes were synthesized using acrylic acid (AA) or 5-sulfosalicylic acid (SSA) as the first ligand and 1,10-phenanthroline (Phen) as the second ligand. Tri-cellulose acetate (TCA)/Tb(AA)3Phen or TCA/Tb(SSA)3Phen composites were prepared by means of solution blend, and their luminesc…
Agricultural wastes and rubber tires have the potential to be used in industries seeking alternative fuel and sustainable raw materials sources. Previous studies focused on recycling these materials as fuel resources, i.e. rubber in cement industry and agricultural materials for power production. The present paper foc…
Well-defined amphiphilic diblock terpolymers of poly(ethylene- alt -propylene)–poly[( N , N ′-dimethylacrylamide)- grad -poly(6-deoxy-6-methacrylamido trehalose)] (denoted as PEP–poly(DMA- grad -MAT) or PT) have been synthesized using a PEP macromolecular chain transfer agent by reversible addition–fragmentation chain…
Titanium dioxide nanotubes were grown from titanium foil by anodization in ethylene glycol solutions containing water, ammonium fluoride and ethylenediaminetetraacetic acid (EDTA). Different anodization voltages and times were used and the properties of the grown nanotubular films were compared with the films anodized…
We report on an experimental procedure in confocal single molecule fluorescence lifetime correlation spectroscopy (FLCS) to determine the range of excitation power and molecular or particulate concentration in solution under which the application of an unmodified model autocorrelation function is justified. This proce…
Optical anisotropy of indium nanoclusters formed on the (001) surface of indium arsenide was found by differential reflectance anisotropy spectroscopy. The fact of such an observation for nanocluster arrays unambiguously evidences the presence of their macroscopic anisotropy which could not be disclosed by conventiona…
A new configuration of frequency-selective surfaces (FSSs) is designed and presented with multiresonance characteristics which covers all of the frequency domain of X-band from 8 to 12 GHz. The proposed FSS comprises three conductor-based split ring resonators, connected together. In this design, two unit cells of the…
Inverted organic photovoltaic cells (IOPVCs), based on the planar heterojunction C60/CuPc, were grown using MoO3 as anode buffer layer and CsI or Cs2CO3 as cathode buffer layer (CBL), the cathode being an ITO coated glass. Work functions, Φf, of treated cathode were estimated using the cyclic voltammetry method. It is…
Hexagonal boron nitride (h-BN) and hexagonal boron nitride-titanium diboride (h-BN-TiB2) composites are advanced materials for high-tech applications. They were investigated against gamma radioisotope sources Cs-137 and Co-60 which have gamma peaks 0.662 MeV for Cs-137, and 1.17 and 1.33 MeV for Co-60. Materials have…
A technique for the sequence-specific recognition of single-stranded DNA using gold nanoparticles and silver-coated glass modified with oligonucleotides was developed, with determination by atomic absorption spectrometry.
Catalytic pyrolysis of biomass has the potential to produce bio-oil , which is rich in aromatic hydrocarbons and can be used as transportation fuel. In this paper, microcrystalline cellulose were pyrolysis with HZSM-5(Si/Al=25), HZSM-5(Si/Al=50), HZSM-5(Si/Al=100), HY, Hβin a CDS5200 pyroprobe at temperature ranging f…
In situ measurements of X-ray absorption spectra at an Fe K absorption edge were carried out during the transformation of chloride-containing green rust (GR(Cl–)) to oxyhydroxide (that is, lepidocrocite (γ-FeOOH)), by oxidation via aqueous solution. Results showed that the Fe K absorption edge in X-ray absorption near…
Natural photonic structures have been extensively studied and have shown their interest as a source of inspiration for new bio-inspired devices in many areas. After these initial studies and characterization phases, we have now to reproduce these structures, mainly in inorganic materials, to exacerbate interesting eff…
To produce environments suitable for cell culture, thin polymer films were deposited onto commercial PVC plates from radiofrequency acetylene-argon plasmas. The proportion of argon in the plasmas, P(Ar), was varied from 5.3 to 65.8%. The adhesion and growth of Vero cells on the coated surfaces were examined for differ…
We compared the bone healing capacity of three different demineralized bone matrix (DBM) products applied using different carrier molecules (hyaluronic acid [HA] vs. carboxymethylcellulose [CMC]) or bone compositions (cortical bone vs. cortical bone and cancellous bone) in a rabbit segmental defect model. Overall, 15-…
We use plasmonic antenna arrays to unidirectionally couple incident light in two different polarization states to long-range surface plasmon polariton waveguide modes propagating in opposite directions. The structures enable polarization-sorting with extinction rates in excess of 30dB.
We report an erbium doped ZBLAN glass fiber laser operating at 3.5μm band with a continuous output power of 260mW at room temperature. We achieved substantial efficiency improvement by using a dual wavelength pumping approach.
On an AgNO3 crystal, an equilateral or a right-angle triangle-shaped Ag trimer was selectively fabricated through near-field photo-reduction and observed in situ by using an apertured cantilever coupled with an atomic force microscope. By using the different triangle-shaped Ag trimers, irradiation wavelength and polar…
Graphene film growth on a Cu–Ni alloy thin film with various alloy compositions is reported in this paper.
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation R. Umamaheswari, D. Vijayalakshmi, M. Yogeswari, G. Kalpana; Half-metallic ferromagnetism in full…