Materials Literature
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Samples of the freshwater red algae, Bangiadulcis atropurpurea, collected from the mountain waterfalls and its close species, Bangia fuscopurpurea, collected from coasts, were phylogenetically analyzed. The sequences of the rbcL gene and RuBisCO spacer region of the freshwater Bangiadulcis atropurpurea species were id…
Two series of poly(e-caprolactone) nanocomposites with different organo-modified clays (1 to 8 wt%) were prepared by the solution casting method. Organoclays with polar (Cloisite?C30B) and nonpolar (Cloisite?C15A) organic modifier and with different miscibility with poly(e-caprolactone) matrix, were chosen. Exfoliated…
We report on the development of an unconventional method for heating a Mo-coated substrate during the deposition of a Cu(In,Ga)Se2 (CIGS) layer by the pulsed electron deposition technique, to be used as absorber in thin film solar cells. This method is based on the application of a DC electrical power directly through…
1- x - y)BiFeO3-x(K0.5Bi0.5)TiO3-yPbTiO3 (BFKBT- PT) piezoelectric ceramics were investigated across the compositional space and contrasted against the xBiFeO3- (1-x)(K0.5Bi0.5)TiO3 (BF-KBT) system, whereby a range of relaxor-like/ferroelectric behavior was observed. Structural and piezoelectric properties were closel…
Photoelectrochemical Behavior of Compact and Inverse Opal Tungsten Trioxide Films: Surface Area and Charge Transfer Properties, Kim, Yun Ok, Yu, Seung-Ho, Ahn, Kwang-Soon, Lee, Sang Kwon, Kang, Soon Hyung
Geogrids are designed to be a support structure in geotechnical and civil engineering applications. Geogrids manufactured with the extrusion of a polymer must posses the necessary level of tensile strength and low creep. In this paper, a study on application of stepped isothermal method for prediction of creep behavio…
In the present investigation antibacterial activity of latexes from ten Indian plant species Spondias dulcis (Amra), Diospyros melanoxylon (Tendu), Terminalia bellirica (Wahera), Ficus glomerata (Gular), Phyllanthus emblica (Awla), Thevetia nerifolia (Kaner), Carica papaya (Papita), Calotropis procera (Ak), Ficus beng…
2LiFePO 4 ·Li 3 V 2 (PO 4 ) 3 @carbon/graphene (2LFP·LVP@C/G) as a cathode material, based on an in situ grown Fe 4 (VO 4 ) 4 ·15H 2 O precursor on the surface of graphene oxide, was synthesized by a solid-state process.
A technique was developed to determine the low contents of smectite layers in the dispersed dioctahedral K-bearing micaceous minerals of the illite-glauconite composition. To implement this technique, diffraction patterns were calculated for two-component mixed-layer mica-smectite structures, in which the content of s…
The phase behaviour of small globular proteins is often modeled by approximating them as spherical particles with fixed internal structure. However, changes in the local environment of a protein can lead to changes in its conformation rendering this approximation invalid. We present a simple two-state model in which p…
In a giant magnetoimpedance (GMI) magnetic sensor, the magnetic field is measured by the voltage amplitude across the sensing element, the GMI wire. Most often, the amplitude of the high-frequency signal is measured by a peak detector, i.e., a diode-capacitor system. A new measurement technique has been developed, by…
A UV-vis method with the use of DNA self-assembled gold nano-rods for analysis of trace amounts of Pb 2+ and Hg 2+ in drinking water samples.
The experience of the joint research by the Department of Chemistry, Lomonosov Moscow State University, and the Federal State Budgetary Scientific Institution “N.N. Blokhin Russian Cancer Research Center” (FSBSI “N.N. Blokhin RCRC”), on the application of medium-intensity ultrasound in combination with chemotherapy an…
The reactions of TCNE- and TCNQ-functionalized (TCNE: tetracyanoethylene and TCNQ: 7,7',8,8'-tetracyanoquinodimethane) zwitterionic benzoquinonemonoimines with a Cu(I)-BIAN complex (BIAN = bis(o,o'-bisisopropylphenyl)acenaphthenequinonediimine) have been investigated and found to follow a diversity of interesting patt…
The presence of oscillating gas bubbles in a liquid generates attenuation, dispersion, and nonlinearity. We take advantage of these effects to set the theoretical basis for two new devices. An acoustic diode that blocks the propagation of ultrasonic waves in one direction and let them pass in the other direction is pr…
The influence of high-frequency electromagnetic radiation on propagation of solitary electromagnetic waves in graphene superlattice is analyzed taking into consideration energy dissipation. The expression for dissipative soliton potential is derived. It is demonstrated that the shape of the dissipative soliton depends…
The PEU-MA solutions can gelate at physiological temperature, and be further crosslinked by UV light.
The synthesis and characterization of three novel keplerate-type compounds containing the {W72Mo60} mixed-metal core are reported. Complexes (NH4)72[{W6O21(H2O)6}12{Mo2O4(SeO4)}30]·150H2O·6(NH4)2SeO4 (1a) and (NH4)25(NH2Me2)47[{W6O21(H2O)6}12{Mo2O4(SeO4)}30]·130H2O·3(NH4)2SeO4 (1b) were prepared by ligand substitution…
Light harvesting titanium dioxide/silica photoanodes are used for dye-sensitized solar cells.
N , N -Dimethylformamide (DMF) and N -methyl-2-pyrrolidone (NMP) as typical nitrogen-based solvents were used as the catalyst for RTCP without additional catalyst, which could also be carried out in the presence of a limited amount of air.