Materials Literature
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Escherichia coli, as most Gram-negative bacteria, is insensitive to the photosensitizing action of both lipid-soluble Zinc-phthalocyanine (Zn-Pc) and water-soluble Zinc-mono/disulfonated phthalocyanine (Zn-PcS). Photosensitivity can be induced by alteration of the outer membrane, as obtained by either induction of com…
Tubular solid oxide fuel cells employ yttria‐stabilized zirconia electrolyte film as an oxygen ion conductor at high temperatures. These yttria‐stabilized zirconia electrolyte films are deposited by an electrochemical vapor deposition (EVD) process. The electrochemical transport of oxygen ions during the EVD process i…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGeneral strategy for the systematic synthesis of oligosiloxanes. Silicone dendrimersHiroaki Uchida, Yoshio Kabe, Koji Yoshino, Akira Kawamata, Takeshi Tsumuraya, and Satoru MasamuneCite this: J. Am. Chem. Soc. 1990, 112, 19, 7077–7079Publication Date (Print):September 1, 199…
The third-order nonlinear-optical susceptibilities of 16 simple atoms and molecules (Ne, Ar, Kr, Xe, ${\mathrm{H}}_{2}$, ${\mathrm{D}}_{2}$, ${\mathrm{N}}_{2}$, ${\mathrm{O}}_{2}$, ${\mathrm{CO}}_{2}$, ${\mathrm{CF}}_{4}$, ${\mathrm{SF}}_{6}$, ${\mathrm{CH}}_{4}$, ${\mathrm{C}}_{2}$${\mathrm{H}}_{6}$, ${\mathrm{C}}_{3…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNew sulfonyl-containing materials for nonlinear optics: semiempirical calculations, synthesis, and propertiesAbraham Ulman, Craig S. Willand, Werner Kohler, Douglas R. Robello, David J. Williams, and Laura HandleyCite this: J. Am. Chem. Soc. 1990, 112, 20, 7083–7090Publicati…
A desirable feature of an implant surface which penetrates epithelium would be that the surface impedes epithelial downgrowth. Previous experiments have shown that the micromachined, horizontally oriented grooves on the percutaneous implant surface can impede epithelial downgrowth (Chehroudi et al., J. Biomed. Mater.…
In a strained layer grown epitaxially on a substrate, the motion of a dislocation on any particular glide plane in the layer can be influenced by the presence of dislocations on other glide planes. The focus here is on the glide of a dislocation extending from the free surface of the layer to the layer-substrate inter…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and properties of the triply bridged, ferromagnetically coupled dinuclear copper(II) complexes [Cu2(OAc)3(bpy)2](ClO4) and [Cu2(OH)(H2O)(OAc)(bpy)2](ClO4)2George Christou, Spiros P. Perlepes, Eduardo Libby, Kirsten Folting, John C. Huffman, Robert J. Webb, and Da…
Abstract Materials science, an interdisciplinary field of R & D, certainly benefits from the cooperation of engineers, chemists and physicists. An example is in the synthesis and applications development of organometallic polymers. Their structures are being optimized through employing different monomers, polymer…
Hepatocytes and fat-storing cells have been implicated in the production of collagen, under both normal and pathological conditions. In this study, short-term primary cultures of rat hepatocytes, maintained in a serum-free, hormonally defined medium without dexamethasone and cultured on a fibronectin-collagen type IV…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChromophoric self-assembled multilayers. Organic superlattice approaches to thin-film nonlinear optical materialsDeQuan Li, Mark A. Ratner, Tobin J. Marks, ChongHua Zhang, Jian Yang, and George K. WongCite this: J. Am. Chem. Soc. 1990, 112, 20, 7389–7390Publication Date (Pri…
Abstract This paper reviews the literature of polymer blends containing low and high molar mass liquid crystals. Low molar mass liquid crystals have been used as plasticizers for thermoplastic polymers and in applications such as electrooptics, optical recording media, and membranes. High molar mass liquid crystalline…
Si molecular-beam epitaxy (MBE) on smooth Si(100) surfaces is shown to occur at room temperature. We demonstrate for the first time that Si deposition becomes amorphous after growth of a limiting epitaxial thickness (${\mathit{h}}_{\mathrm{epi}}$). ${\mathit{h}}_{\mathrm{epi}}$ is \ensuremath{\approxeq}10--30 \AA{} at…
This article —included on a long time ICCET Investigation Program— studies the mechanical resistances variation, to flexure, of the 1 X 1 X 6 cm mortar samples (1:3) made with high initial resistance cement and with several slags addition (cement/slag = 85/15 - 65/35 - 40/60 and 30/70) with high furnace slag and a fly…
The lithotype mainly used in the construction of the Cathedral of Seville is the calcarenite from Puerto de Santa f\/laria followed by the limestone from Espera. The primordial extrinsecal factor of deterioration is the atmospherical contamination, mainly sulphur oxides and smoke, within a humid environment. From both…
This updating review describes, from the conceptual standpoint, all the research works so far carried out at the IDIEM by the group in charge of Probabilistic Strength of Materials as well as research activities under way at present. This description considers three aspects. First, the general purposes of the commente…
This paper has adopted a theoretical viewpoint for studying Fracture Statistics in round bars subjected to torsion, and for determining the cumulative probabilities of fracture using Weibull's specific-risk function for materials that exhibit volume and surface brittleness. The use of the defined-functions method has…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMoisture permeability of edible films made with fatty acid and hydroxypropyl methyl celluloseRobert D. Hagenmaier and Philip E. ShawCite this: J. Agric. Food Chem. 1990, 38, 9, 1799–1803Publication Date (Print):September 1, 1990Publication History Published online1 May 2002P…