Materials Literature
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Abstract The oxidation kinetics of NO by O 2 in aqueous solution was observed using a stopped flow apparatus. The kinetics follows a third order rate law of the form k · [NO] 2 · [O 2 ] in analogy to gas‐phase results. The rate constant at 296 K was measured as (6.4 ± 0.8) · 10 6 M −2 s −1 with an activation energy of…
High-temperature oxide melt solution calorimetry with molten 2PbO{center_dot} B{sub 2}O{sub 3} as a solvent can be used for determining enthalpies of formation of carbonates and hydrous silicates. Under conditions of gas flow at 1-2 cm{sup 3}/s, all H{sub 2}O and CO{sub 2} is expelled from the solvent, leading to a re…
The heat-stable inhibitor of cAMP-dependent protein kinase (PKI) was shown previously to export the kinase catalytic subunit (C) from the nucleus (Fantozzi, D. A., Harootunian, A. T., Wen, W., Taylor, S. S., Feramisco, J.R., Tsien, R. Y., and Meinkoth, J. L. (1994) J. Biol. Chem. 269, 2676-2686), in addition to its ab…
Fluid–fluid phase separation in a simple model for a colloid dispersed in a solution of stiff rodlike polymers is studied by means of Gibbs ensemble Monte Carlo simulations. The fluid–solid transition for this model is computed using first-order perturbation theory. The phase diagrams clearly show that a stable critic…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA well-defined surface-confinable fullerene: monolayer self-assembly on Au(111)Xiaobo Shi, W. Brett Caldwell, Kaimin Chen, and Chad A. MirkinCite this: J. Am. Chem. Soc. 1994, 116, 25, 11598–11599Publication Date (Print):December 1, 1994Publication History Published online1…
Temperature programmed static secondary ion mass spectrometry (TPSSIMS) and temperature programmed desorption (TPD) have been used to study the kinetics of adsorption, dissociation, and desorption of NO on Rh(111). At 100 K, NO adsorption is molecular and proceeds via mobile precursor state kinetics with a high initia…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTUrea-Derivatized p-tert-Butylcalix[4]arenes: Neutral Ligands for Selective Anion ComplexationJurgen Scheerder, Mariacristina Fochi, Johan F. J. Engbersen, and David N. ReinhoudtCite this: J. Org. Chem. 1994, 59, 25, 7815–7820Publication Date (Print):December 1, 1994Publicati…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA New Bimetallic Ferromagnet, [Ni(en)2]3[Fe(CN)6]2.cntdot.2H2O, with a Rare Rope-Ladder Chain StructureMasaaki Ohba, Naomi Maruono, Hisashi Okawa, Toshiaki Enoki, and Jean-Marc LatourCite this: J. Am. Chem. Soc. 1994, 116, 25, 11566–11567Publication Date (Print):December 1,…
Protein Science, the flagship journal of The Protein Society, serves an international forum for publishing original reports on all scientific aspects of protein molecules. The Journal publishes papers by leading scientists from all over the world that report on advances in the understanding of proteins in the broadest…
Rapid determination of cation exchange capacity (CEC) of soils can be useful for soil testing to improve efficiency of fertilizer use. The methylene blue (MB) method of Wang et al. (1989) has been simplified for rapid determination of CEC of mineral soils in field. For the temperate and tropical soils used, the relati…
The nearest-neighbor substitutional nitrogen center [N-N${]}^{0}$ (A center), is one of the most common defects in natural diamond. [N-N${]}^{0}$ is diamagnetic and therefore cannot be studied by electron paramagnetic resonance (EPR). However, the [N-N${]}^{+}$ center is paramagnetic, and we report detailed EPR and el…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEstimation of Hansen Solubility Parameters for (Hydroxyethyl) and (Hydroxypropyl) cellulose through Molecular SimulationPhillip Choi, Tom A. Kavassalis, and Alfred RudinCite this: Ind. Eng. Chem. Res. 1994, 33, 12, 3154–3159Publication Date (Print):December 1, 1994Publicatio…
Abstract The “modified chlorite structure” forms by the dehydroxylation of the interlayer octahedral sheet of magnesian chlorite at around 500°C and results in a structure with a basal spacing near 27 Â (Brindley and Chang 1974). This process involves drastic textural modifications as indicated by gas adsorption exper…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCombined Effect of Phenoxy and Carboxylate Bridges on Magnetic Properties of a Series of Macrocyclic Dinickel(II) ComplexesKausik K. Nanda, Ramprasad Das, Laurence K. Thompson, Krishnan Venkatsubramanian, and Kamalaksha NagCite this: Inorg. Chem. 1994, 33, 25, 5934–5939Publi…
A series of immersion tests for eight high-alloy materials was performed in a variety of hydrofluoric acid (HF) environments. Solution strengths of 0.05%, 1%, 10%, 24%, and 48% HF were examined at 24°C, 50°C, and 76°C. Coupons of each alloy were exposed fully immersed in solution and partially exposed in the aerated v…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation and Properties of Magnesium, Calcium, Strontium, and Barium Selenolates and TellurolatesDavid E. Gindelberger and John ArnoldCite this: Inorg. Chem. 1994, 33, 26, 6293–6299Publication Date (Print):December 1, 1994Publication History Published online1 May 2002Publ…
The objective of this research is to evaluate the possibility of enhanced metal precipitation inside algal biofilms. The pH environment surrounding microorganisms growing in biofilms is frequently different than the environment of the bulk liquid because products of metabolic reactions are limited in their ability to…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotoluminescence studies of lanthanide ion complexes of gold and silver dicyanides. 2. A new low dimensional solid state class for nonradiative excited state energy transferZerihun Assefa and Howard H. PattersonCite this: Inorg. Chem. 1994, 33, 26, 6194–6200Publication Date…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTQuantitative Relations between Glass Transition Temperatures and Thermodynamic Parameters for Various Materials: Molecular Design for Nonpolymeric Organic Dye Glasses with Thermal StabilityKatsuyuki NaitoCite this: Chem. Mater. 1994, 6, 12, 2343–2350Publication Date (Print):…
Variation in the nucleotide sequence of the B2 high-sulfur protein genes has not been reported previously. This paper reports 15 nucleotide substitutions in each of the genes for the B2A and B2C proteins and a length of polymorphism in the B2A gene which translates to the insertion/deletion of one 30-nucleotide repeat…