Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetics of the pyrolysis of almond shells and almond shells impregnated with cobalt dichloride in a fluidized bed reactor and in a pyroprobe 100Rafael Font, Antonio Marcilla, Emilio Verdu, and Joaquin DevesaCite this: Ind. Eng. Chem. Res. 1990, 29, 9, 1846–1855Publication D…
We calculate the osmotic pressure in a semi-dilute solution of stretched polymers in a good solvent. The results are applied to polymer brushes where polymers are stretched either directly or by application of shear. It is shown that when a brush is sheared against the solvent, the stretching proceeds always within th…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular weight dependence of lamellar domain spacing of diblock copolymers in bulkYushu Matsushita, Katsuaki Mori, Ryuichi Saguchi, Yasushi Nakao, Ichiro Noda, and Mitsuru NagasawaCite this: Macromolecules 1990, 23, 19, 4313–4316Publication Date (Print):September 1, 1990Pu…
The p,T-dependence of the self-diffusion coefficient D for methanol, methan(2H)ol and ethanol has been studied between 150 and 450 K at pressures up to 250 MPa. The experiments were performed in strengthened high-pressure glass cells by the application of the nuclear magnetic resonance (NMR) spin-echo technique with p…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMagnetism of A-copper(II) bimetallic chain compounds (A = iron, cobalt, nickel): one- and three-dimensional behaviorsPetra J. Van Koningsbruggen, Olivier Kahn, Keitaro Nakatani, Yu Pei, Jean Pierre Renard, Marc Drillon, and Patrick LegollCite this: Inorg. Chem. 1990, 29, 18,…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT[Tetrakis(2-pyridylmethyl)ethylenediamine]iron(II) perchlorate, the first rapidly interconverting ferrous spin-crossover complexHsiu Rong Chang, James K. McCusker, Hans Toftlund, Scott R. Wilson, Alfred X. Trautwein, Heiner Winkler, and David N. HendricksonCite this: J. Am.…
X‐ray photoelectron spectroscopy was employed to study surface films generated by anodic electrochemical oxidation of copper in Na 2 SO 4 solutions at p H = 12 . A simple and efficient, low‐cost transfer system is described which allows electrochemical manipulation and transfer of specimens into the vacuum analysis ch…
We have characterized cDNA and genomic clones coding for a sponge collagen. The partial cDNA has an open reading frame encoding 547 amino acid residues. The conceptual translation product contains a probably incomplete triple-helical domain (307 amino acids) with one Gly-Xaa-Yaa-Zaa imperfection in the otherwise perfe…
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…