Materials Literature
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Summary A new Nicalon SiC‐based fibre, characterized by a low oxygen content (0–5% wt) has been studied. The absence in this fibre of a continuous Si–C–O phase, which characterized the previous NLM 202 series of fibres, induces larger mean sizes for the constituents: the fibre is composed of β‐SiC grains 5–20 run in d…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Structure of Grafted Polystyrene Layers in a Range of Matrix PolymersC. J. Clarke, R. A. L. Jones, J. L. Edwards, K. R. Shull, and J. PenfoldCite this: Macromolecules 1995, 28, 6, 2042–2049Publication Date (Print):March 1, 1995Publication History Published online1 May 20…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on the Iron(II) meso-Oxyporphyrin .pi.-Neutral Radical as a Reaction Intermediate in Heme CatabolismIsao Morishima, Hiroshi Fujii, Yoshitsugu Shiro, and Seiyo SanoCite this: Inorg. Chem. 1995, 34, 6, 1528–1535Publication Date (Print):March 1, 1995Publication History…
Adsorption-desorption of plasma protein on various polymer membranes was evaluated by a dynamic contact angle (DCA) measurement using the Wilhelmy plate method. Poly(ethylene terephthalate) (PET) was used as a substrate membrane; we examined this membrane coated with hydrophilic polymers such as poly[2-methacryloyloxe…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPyridazine Complexes of Copper(II) Nitrate: Synthesis and Structural and Magnetic StudiesTom Otieno, Steven J. Rettig, Robert C. Thompson, and James TrotterCite this: Inorg. Chem. 1995, 34, 7, 1718–1725Publication Date (Print):March 1, 1995Publication History Published onlin…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfluence of Bridging Ligand Unsaturation on Excited State Behavior in Mono- and Bimetallic Ruthenium(II) Diimine ComplexesAaron I. Baba, Harry E. Ensley, and Russell H. SchmehlCite this: Inorg. Chem. 1995, 34, 5, 1198–1207Publication Date (Print):March 1, 1995Publication Hi…
ADVERTISEMENT RETURN TO ISSUEPREVarticleNEXTMultiple Bonds between Main-Group Elements and Transition Metals. 136. "Polymerization" of an Organometal Oxide: The Unusual Behavior of Methyltrioxorhenium(VII) in WaterWolfgang A. Herrmann and Richard W. FischerCite this: J. Am. Chem. Soc. 1995, 117, 11, 3223–3230Publicati…
Abstract Seven samples from a chronosequence of soils developed in historically created polders on the Atlantic coast (Marais Poitevin, Vendée, France) were investigated in order to illustrate the rate of mineralogical change in a clay-dominated system. The oldest polder was constructed in 1665, the last one in 1912;…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGreen Upconversion Emission from Er3+ Ion Doped into Sol-Gel Silica Glasses under Red Light (647.1 nm) ExcitationW. Xu, S. Dai, L. M. Toth, G. D. Del Cul, and J. R. PetersonCite this: J. Phys. Chem. 1995, 99, 13, 4447–4450Publication Date (Print):March 1, 1995Publication His…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical Properties of Iron Phthalocyanine Immobilized on Titanium(IV) Oxide Coated on Silica Gel SurfaceLauro T. Kubota, Yoshitaka Gushikem, Joelma Perez, and Auro A. TanakaCite this: Langmuir 1995, 11, 3, 1009–1013Publication Date (Print):March 1, 1995Publication Hi…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDetermination of Low Critical Surface Tensions of Novel Fluorinated Poly(amide urethane) Block Copolymers. 2. Fluorinated Soft-Block Backbone and Side ChainsToby M. Chapman and Kacey Gribbin MarraCite this: Macromolecules 1995, 28, 6, 2081–2085Publication Date (Print):March…
Haloalkane dehalogenase catalyzes the hydrolytic cleavage of carbon-halogen bonds in short-chain haloalkanes. Two tryptophan residues of the enzyme (Trp125 and Trp175) form a halide-binding site in the active-site cavity, and were proposed to play a role in catalysis. The function of these residues was studied by repl…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEffects of Ligand Substituents (F for H; OR for R) on Mesogenic Properties of M(Salen) Derivatives (M = Cu, Ni, VO). New Fluoro-Substituted Complexes and Crystal Structure of the Mesogen Ni(5-hexylSalen)Antony B. Blake, John R. Chipperfield, Wasif Hussain, Reinhard Paschke,…
We investigated the correlation between orientational order and microscopic organization of the molecules in smectic A and chiral (racemic) smectic C phases by means of solid-state C-13 NMR, powder X-ray diffraction, and electrooptical measurements. The compounds under investigation are 4-((S)-2-methyloctanoyl)phenyl…
The residual stresses within a deformation band in a ceriastabilized tetragonal zirconia/alumina (Ce‐TZP/Al 2 O 3 ) ceramic composite are measured by piezo‐spectroscopy, in the zirconia phases from their Raman spectra and in the alumina phase from its Cr 3+ fluorescence. The concentrations of monoclinic zirconia acros…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStudies on Conducting Polymers. 1. Aniline-Initiated Polymerization of NitroanilinesBidhan C. Roy, Maya Dutta Gupta, and Jayanta K. RayCite this: Macromolecules 1995, 28, 6, 1727–1732Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Publishe…
Shape memory alloy (SMA) composites are a class of smart materials in which embedded nitinol wires are used as actuators. Previous research in SMA composites has been limited to wires using one-way shape memory behavior. The objective of this paper is to assess the feasibility of using two-way shape memory (TWSM) trai…
The effect of the method of silanation of zirconia-silica by 3-methacryloxypropyltrimethoxysilane (MAPM) and 3-acryloxypropyltrimethoxysilane (APM) on the diametral tensile and transverse strength of composites made from these silanated fillers and a urethane dimethacrylate was determined after 0-108 h of boiling in w…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSmall-Angle X-ray and Neutron Scattering from Bulk and Oriented Triblock Copolymer GelsN. Mischenko, K. Reynders, M. H. J. Koch, K. Mortensen, J. S. Pedersen, F. Fontaine, R. Graulus, and H. ReynaersCite this: Macromolecules 1995, 28, 6, 2054–2062Publication Date (Print):Mar…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTControl of Intramolecular Magnetic Interaction by the Spin Polarization of d.pi. Spin to p.pi. Orbital of an Organic Bridging LigandHiroki Oshio and Hikaru IchidaCite this: J. Phys. Chem. 1995, 99, 10, 3294–3302Publication Date (Print):March 1, 1995Publication History Publis…