Materials Literature
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Fat injection is being used for the correction of various soft-tissue defects. In this study, the manner of fat injection yielding the greatest transplant viability was examined. Autologous fat was obtained from the inguinal area of rats and subsequently reinjected to the nuchal region, an area naturally poor in subcu…
We present the technology and the performance of blue-light-emitting porous silicon devices. The devices are fabricated using porous silicon formation with UV-light applied. Furthermore, indium is electroplated into the pores, causing an increase of the quantum efficiency. The blue electroluminescence exhibits a peak…
Improved polar ( c ‐axis) oriented growth of fresnoite (Ba 2 TiSi 2 O 8 ) was observed for surface crystallization of a glass 33.3BaO· 16.7TiO 2 · 50SiO 2 (in mol%) due to ultrasonic surface treatment with an aqueous suspension of Ba 2 TiSi 2 O 8 , and an oriented film more than 50 μm in thickness was prepared. The ef…
The dynamical behavior of lyotropic ferronematic liquid crystals of potassium laurate, decanol (or decilamonium chloride), water, and ferrofluid is studied by means of optical techniques, under the influence of magnetic fields. Making use of interferometric measurements, three different processes, with typical charact…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructural and Magnetic studies on a Bromine-Bridged Copper(II) Dimer with 5,7-Dimethyl[1,2,4]triazolo[1,5-a]pyrimidineM. Angustias Romero, Juan M. Salas, Miguel Quiros, M. Purificacion Sanchez, Jose Romero, and Daniel MartinCite this: Inorg. Chem. 1994, 33, 24, 5477–5481Pub…
Abstract Results of experiments are compared to simulations of the performance of V 2 O 5 /γ‐alumina SCR catalyst used to remove nitrogen oxides from diesel exhausts. The kinetic model is based on Eley‐Rideal kinetics. Temperature programmed desorption (TPD) of the ammonia is used to evaluate adsorption/desorption par…
The symmetry adapted cluster-configuration interaction (SAC-CI) method is briefly reviewed and applied to the excitation and ionization spectra of TiX4 (X=Br, I). The valence excited states of these molecules are investigated systematically and compared with the previous study on TiCl4. The experimental spectra are we…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAb Initio Study of Structures and Energetics of Small Copper-Selenium ClustersAnsgar Schaefer and Reinhart AhlrichsCite this: J. Am. Chem. Soc. 1994, 116, 23, 10686–10692Publication Date (Print):November 1, 1994Publication History Published online1 May 2002Published inissue…
Elastic constants of the high-temperature phases of the shape-memory alloys NiTi and PdTi are determined by means of full-potential linearized augmented-plane-wave total-energy calculations. Thereby, insight into the driving mechanism of the martensitic transformation of these alloys can be obtained. In the case of Ni…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProbing Biopolymers with Scanning Force Methods: Adsorption, Structure, Properties, and Transformation of Gelatin on MicaGreg Haugstad, Wayne L. Gladfelter, Elizabeth B. Weberg, Rolf T. Weberg, and Timothy D. WeatherillCite this: Langmuir 1994, 10, 11, 4295–4306Publication D…
The effect of hydrostatic pressure on the crystallization of hen egg white (HEW) lysozyme was studied using a diamond anvil cell (DAC). The nucleation rate of crystals and the normal growth rates of {101} and {110} faces were measured in situ under hydrostatic pressure. Both rates were decreased when the pressure was…
The citric acid cycle enzyme, malate dehydrogenase (MDH), is a dimer of identical subunits. In the crystal structures of 2 prokaryotic and 2 eukaryotic forms, the subunit interface is conformationally homologous. To determine whether or not the quaternary structure of MDH is linked to the catalytic activity, mutant fo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpectroscopic and excited-state properties of titanium dioxide gelsFelix N. Castellano, Jeremy M. Stipkala, Lee A. Friedman, and Gerald J. MeyerCite this: Chem. Mater. 1994, 6, 11, 2123–2129Publication Date (Print):November 1, 1994Publication History Published online1 May 20…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTreatment of Activated Carbon To Enhance Catalytic Activity for Reduction of Nitric Oxide with AmmoniaBon Jun Ku, Joong Kee Lee, Dalkeun Park, and Hyun-Ku RheeCite this: Ind. Eng. Chem. Res. 1994, 33, 11, 2868–2874Publication Date (Print):November 1, 1994Publication History…
Abstract Injection molded short glass fiber reinforced poly(butylene terephthalate) was subjected to hygrothermal aging at two different relative humidities—81.2% and 100% RH. A single free phase model of diffusion has been used to analyze the data obtained from the kinetics of moisture absorption study. The diffusion…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthetic Models for Low-Molecular-Weight Chromium-Binding Substance: Synthesis and Characterization of Oxo-Bridged Tetranuclear Chromium(III) AssembliesTruitt Ellis, Miriam Glass, Anthony Harton, Kristen Folting, John C. Huffman, and John B. VincentCite this: Inorg. Chem. 1…
Wood fiber reinforced cement composites provide the highest performance‐to‐cost ratio among fibrous cement composites being considered for the replacement of asbestos cement. Fairly strong and stiff wood fibers are particularly suited for the reinforcement of thin‐sheet cement products. There is, however, concern rega…
In the presence of a fluorine mineralizer, highly aggregated, <5 μm α‐Al 2 O 3 platelet particles form by vapor transport during the thermal transformation of γ‐alumina. Platelet aggregation was determined to occur by platelet inter‐growth and by edge nucleation on primary α‐Al 2 0 3 platelets. The addition of 10 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComponent Dynamics in Miscible Blends of 1,4-Polyisoprene and 1,2-PolybutadieneJeffrey A. Zawada, Gerald G. Fuller, Ralph H. Colby, Lewis J. Fetters, and Jacques RooversCite this: Macromolecules 1994, 27, 23, 6861–6870Publication Date (Print):November 1, 1994Publication Hist…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPossible "Reentrant" Behavior in Magnetic Properties of TBA[Fe(tdas)2] ComplexKunio Awaga, Tsunehisa Okuno, Yusei Maruyama, Akiko Kobayashi, Hayao Kobayashi, Stephen Schenk, and Allan E. UnderhillCite this: Inorg. Chem. 1994, 33, 24, 5598–5600Publication Date (Print):Novembe…