Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMicellization and Gelation of Symmetric Triblock Copolymers with Insoluble End BlocksMai Nguyen-Misra and Wayne L. MatticeCite this: Macromolecules 1995, 28, 5, 1444–1457Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDynamics of Structure Formation in Crystallizable Block CopolymersPratima Rangarajan, Richard A. Register, Douglas H. Adamson, Lewis J. Fetters, Wim Bras, Steven Naylor, and Anthony J. RyanCite this: Macromolecules 1995, 28, 5, 1422–1428Publication Date (Print):February 1, 1…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSalt-Gel Synthesis of Porous Transition-Metal OxidesAndreas Stein, Mark Fendorf, Thomas P. Jarvie, Karl T. Mueller, Alan J. Benesi, and Thomas E. MalloukCite this: Chem. Mater. 1995, 7, 2, 304–313Publication Date (Print):February 1, 1995Publication History Published online1…
The voltammetric behavior of solid Prussian blue mechanically attached to graphite, glassy carbon, or gold electrodes as an array of microscopically small particles is extremely well defined when the electrode is placed in aqueous media containing suitable electrolytes. Electron microscopy, electron microprobe analysi…
Extracts of Agrobacterium tumefaciens incorporated UDP-[14C]glucose into cellulose. When the extracts were fractionated into membrane and soluble components, neither fraction was able to synthesize cellulose. A combination of the membrane and soluble fractions restored the activity found in the original extracts. Extr…
<div class="htmlview paragraph">The paper describes basic investigations towards identifying optimum specifications of fuel injection and combustion system parameters for a new alternative fuel, Dimethylether (DME), allowing liquid direct injection, compression ignition and smokeless combustion.</div> <…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhysical Properties and Enzymic Degradability of Polymer Blends of Bacterial Poly[(R)-3-hydroxybutyrate] and Poly[(R,S)-3-hydroxybutyrate] StereoisomersHideki Abe, Isao Matsubara, and Yoshiharu DoiCite this: Macromolecules 1995, 28, 4, 844–853Publication Date (Print):Februar…
Dynamic MRI tracking of rat T-cells in vivo is performed in rat testicles after labeling isolated rat T-cells in vitro with superparamagnetic dextran-coated iron-oxide particles, BMS180549. Tissue inflammation induced by the local injection of the calcium ionophore, A23187, is used to attract labeled T-cells. Gradient…
A new algorithm to determine phase equilibria at the global minimum of the Gibbs free energy is presented. Using the Newton homotopy-continuation method, when checking for phase stability, multiple stationary points of the tangent-plane-distance function (TPDF) are determined. Subsets of these are selected as estimate…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNovel Contrast Agents for Magnetic Resonance Imaging. Synthesis and Characterization of the Ligand BOPTA and Its Ln(III) Complexes (Ln = Gd, La, Lu). X-ray Structure of Disodium (TPS-9-145337286-C-S)-[4-Carboxy-5,8,11-tris(carboxymethyl)-1-phenyl-2-oxa- 5,8,11-triazatridecan…
Perpendicularly oriented columnar structure was obtained for electropolymerized polypyrrole films formed from micellar solution of anionic surfactants. The surfactants used as dopants were a class of anionic surfactant, namely, sodium salts of dodecyl sulfate (SDS) and dodecylbenzene sulfonate (SDBS). The formation pr…
Characterization of the interaction of water with the highly ordered mesoporous solid MCM-41 (pore diameter -2.5 nm) is undertaken with the aid of several techniques (adsorption gravimetry, X-ray diffraction, Fourier transform infrared spectroscopy, and controlled rate-evolved gas analysis). The relatively complex wat…
Monodisperse colloids have found a wide range of technolgoical applications, in fields as diverse as ceramics, pigments, and catalysis. Recent work in analyzing the mechanism of formation of the particles is reviewed, and the facotrs influencing the size and shape of the colloids, such as the SiO 2 particles shown in…
The structural aspect of the temperature-induced neutral-to-ionic transition in the mixed-stack charge-transfer complex TTF-p-chloranil is directly analyzed using results obtained from neutron-scattering experiments. The symmetry breaking of the structural order parameter is determined together with the complete struc…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTZigzag Morphology of a Poly(styrene-b-hexyl isocyanate) Rod-Coil Block CopolymerJ. T. Chen, E. L. Thomas, C. K. Ober, and S. S. HwangCite this: Macromolecules 1995, 28, 5, 1688–1697Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Publish…
<div class="htmlview paragraph">A new 3-way catalyst with NO<sub>x</sub> conversion performance for lean-burn engines has been developed. The catalyst oxidizes NO<sub>x</sub> and stores the resulting nitrate, which is then reduced by HC and CO during engine operation around the stoichiome…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTShape of GlycinePeter D. Godfrey and Ronald D. BrownCite this: J. Am. Chem. Soc. 1995, 117, 7, 2019–2023Publication Date (Print):February 1, 1995Publication History Published online1 May 2002Published inissue 1 February 1995https://pubs.acs.org/doi/10.1021/ja00112a015https:/…
<div class="htmlview paragraph">A new, ultra-clean alternative fuel for diesel engines-a blend consisting predominantly of dimethyl ether (DME)- has been identified and evaluated by the authors. This paper reports engine test results with DME blends at emissions levels that will meet and surpass the California U…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular Meccano. 2. Self-Assembly of [n]CatenanesDavid B. Amabilino, Peter R. Ashton, Christopher L. Brown, Emilio Cordova, Luis A. Godinez, Timothy T. Goodnow, Angel E. Kaifer, Simon P. Newton, Marek Pietraszkiewicz, and Cite this: J. Am. Chem. Soc. 1995, 117, 4, 1271–129…
Electrical resistivity (\ensuremath{\rho}) and magnetic susceptibility (\ensuremath{\chi}) were measured for single crystals of ${\mathrm{La}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{Sr}}_{1+\mathit{x}}$${\mathrm{MnO}}_{4}$ (0.0\ensuremath{\le}x\ensuremath{\le}0.7), which were grown by the floating-zone method…