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High-resolution carbon-13 NMR study of silk fibroin in the solid state by the cross-polarization-magic angle spinning method. Conformational characterization of silk I and silk II type forms of Bombyx mori fibroin by the conformation-dependent carbon-13 chemical shifts

Hazime Saitô、Ryoko Tabeta、Tetsuo Asakura 等 7 位作者1984-07-01Macromolecules

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHigh-resolution carbon-13 NMR study of silk fibroin in the solid state by the cross-polarization-magic angle spinning method. Conformational characterization of silk I and silk II type forms of Bombyx mori fibroin by the conformation-dependent carbon-13 chemical shiftsHazime…

Insect and Arachnid Ecology and BehaviorSilk-based biomaterials and applicationsSilkworms and Sericulture Research

Adsorption Isotherms of Insulin onto Various Materials

Michael V. Sefton、Gina Marie Antonacci1984-07-01Diabetes

Insulin adsorption isotherms on various materials have been measured to begin to clarify the role of material surface energy in insulin aggregation. Using 125I-insulin and direct gamma-counting of the exposed material, more insulin (per unit area) was adsorbed to hydrophobic materials (Teflon, Silastic) than to the hy…

Polymer Surface Interaction StudiesProtein purification and stabilityAdvanced Biosensing Techniques and Applications

Hot‐Pressing of High‐Purity Magnesium Oxide

Joaquim M. Vieira、R. J. Brook1984-07-01Journal of the American Ceramic Society

High‐purity magnesium oxide powder was prepared by eon‐trolled decomposition of magnesium chloride hexahydrate. The MgO was hot‐pressed between 1720 and 2170 K and at pressures from 4.4 to 31 MPa. At 1873 K, the densification rates measured at fixed values of density were proportional to the power n = 3 of the applied…

Advanced ceramic materials synthesisHigh-Temperature Coating BehaviorsMagnesium Oxide Properties and Applications

Stage dependence of magnetic susceptibility of intercalated graphite

S. A. Safran1984-07-01Physical review. B, Condensed matter

The orbital magnetic susceptibility of two coupled graphite layers is calculated as a function of temperature and Fermi energy ($\ensuremath{\mu}$). The susceptibility is shown to be diamagnetic at small values of $\ensuremath{\mu}$, and paramagnetic at large values of $\ensuremath{\mu}$, with a paramagnetic peak at $…

Advancements in Battery MaterialsGraphene research and applicationsGraphite, nuclear technology, radiation studies

Hydrogen Induced Cracking in Pipeline Steels

A.M. Brown、Charley Jones1984-07-01CORROSION

This paper describes the work conducted at the British Gas Engineering Research Station (ERS) using laboratory tests of the BP and NACE type to assess the hydrogen induced cracking (HIC) resistance of pipeline steels. Various grades of linepipe and fittings steels have been studied, and the metallurgical parameters co…

Hydrogen embrittlement and corrosion behaviors in metalsNon-Destructive Testing TechniquesMaterial Properties and Failure Mechanisms

Polyurethane waste recycling. 1. Glycolysis and hydroglycolysis of water-blown foams

J.L. Gerlock、J. Braslaw、M. Zinbo1984-07-01Industrial & Engineering Chemistry Process Design and Development

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolyurethane waste recycling. 1. Glycolysis and hydroglycolysis of water-blown foamsJohn Gerlock, Jacob Braslaw, and Mikio ZinboCite this: Ind. Eng. Chem. Process Des. Dev. 1984, 23, 3, 545–552Publication Date (Print):July 1, 1984Publication History Published online1 May 200…

Polymer composites and self-healing

Ein einfacher Zugang zu benzoanellierten Centrotriquinanen

Dietmar Kuck1984-07-01Angewandte Chemie

Die faszinierende Gruppe der Centropolyquinane ist durch Cyclopentanringe mit einem gemeinsamen, zentralen C-Atom gekennzeichnet. Die Titelverbindungen 1 und 2 sind überraschend einfach aus 2,2-disubstituierten 1,3-Indandiolen erhältlich.

Mesoporous Materials and CatalysisPolyoxometalates: Synthesis and ApplicationsSynthetic Organic Chemistry Methods

Synthesis of Functionally-Terminated Oligomers by Free Radical Ring-Opening Polymerization

William J. Bailey、Takashi Endo、Benjamin Gapud 等 10 位作者1984-07-01Journal of Macromolecular Science Part A - Chemistry

Since free radical ring-opening polymerization made it possible to introduce functional groups, such as esters, carbonates, thioesters, and amides, into the backbone of an addition polymer, it was reasoned that simple hydrolysis of these copolymers would produce the desired oligomers that could be terminated with vari…

biodegradable polymer synthesis and propertiesSynthetic Organic Chemistry MethodsCarbon dioxide utilization in catalysis

Spin-state relaxation dynamics in iron(III) complexes: photochemical perturbation of the 2T .dblharw. 6A spin equilibrium by pulsed-laser irradiation in the ligand-to-metal charge-transfer absorption band

Ian Lawthers、John J. McGarvey1984-07-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpin-state relaxation dynamics in iron(III) complexes: photochemical perturbation of the 2T .dblharw. 6A spin equilibrium by pulsed-laser irradiation in the ligand-to-metal charge-transfer absorption bandIan Lawthers and John J. McGarveyCite this: J. Am. Chem. Soc. 1984, 106…

Magnetism in coordination complexesPhotochemistry and Electron Transfer StudiesMetal-Catalyzed Oxygenation Mechanisms

Precipitation Behavior of Ni–Cr–22 Fe–18 Mo (Hastelloy-X) and Ni-Cr-22 Co-12 Mo (Inconel-617) After Isothermal Aging

Hermann Kirchhöfer、F. Schubert、Hubertus Nickel1984-07-01Nuclear Technology

The precipitation behavior of the nickel-base alloys Ni-Cr-22 Fe-18 Mo (Hastelloy-X) and Ni-Cr-22 Co-12 Mo (Inconel-617) has been investigated as a function of aging temperature. Hastelloy-X shows that M6C and TiN are primary precipitates and M12C, A3B2 (≈ Fe3Mo2), and M23C6 are secondary precipitates, while Inconel-6…

Catalytic Processes in Materials ScienceHigh-Temperature Coating BehaviorsIntermetallics and Advanced Alloy Properties

CO 2 ‐Catalyzed Surface Area and Porosity Changes in High‐Surface‐Area CaO Aggregates

D. Beruto、L. Barco、Alan W. Searcy1984-07-01Journal of the American Ceramic Society

The changes in surface area and mesoporosity in aggregates of ∼0.01 μm cross‐section CaO particles when heated in CO 2 at 686°C were determined from N 2 adsorption isotherms. Initially, the surface area decreases rapidly with little change in porosity. When the surface area has decreased below ∼90 m 2 /g, surface area…

Catalytic Processes in Materials ScienceCO2 Sequestration and Geologic InteractionsChemical Looping and Thermochemical Processes

Vibrational Spectra of Species Adsorbed on Surfaces: Forms of Vibrations and Selection Rules for Regular Arrays of Adsorbed Species

N. Sheppard、J. Erkelens1984-07-01Applied Spectroscopy

In this paper we describe systematically the forms, symmetries, and selection rules for the normal modes of vibration of a number of examples of surface-adsorbed species. The chosen cases are discussed for adsorption both on isolated sites and in regular arrays of surface sites such as are occupied at higher coverage.…

Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesMolecular Junctions and Nanostructures

New phases and chemical reactions in solid carbon monoxide under pressure

A. I. Katz、David Schiferl、R. L. Mills1984-07-01The Journal of Physical Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNew phases and chemical reactions in solid carbon monoxide under pressureAllen I. Katz, David Schiferl, and Robert L. MillsCite this: J. Phys. Chem. 1984, 88, 15, 3176–3179Publication Date (Print):July 1, 1984Publication History Published online1 May 2002Published inissue 1…

Carbon Nanotubes in CompositesDiamond and Carbon-based Materials ResearchGas Dynamics and Kinetic Theory

Influence of hydrogen bonding on the properties of iron porphyrin imidazole complexes. An internally hydrogen bonded imidazole ligand

Robert E. Quinn、Janet A. Mercer-Smith、Judith N. Burstyn 等 4 位作者1984-07-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInfluence of hydrogen bonding on the properties of iron porphyrin imidazole complexes. An internally hydrogen bonded imidazole ligandRobert Quinn, Janet Mercer-Smith, Judith N. Burstyn, and Joan S. ValentineCite this: J. Am. Chem. Soc. 1984, 106, 15, 4136–4144Publication Dat…

Metal complexes synthesis and propertiesPorphyrin and Phthalocyanine ChemistryMetal-Catalyzed Oxygenation Mechanisms

A FLUID MECHANICAL APPROACH TO TURBULENT MIXING AND CHEMICAL REACTION PART I INADEQUACIES OF AVAILABLE METHODS

J. Bałdyga、John R. Bourne1984-07-01Chemical Engineering Communications

The series treats the mixing on the molecular scale (micromixing) of two miscible streams to bring about reaction between their constituents. The case where mixing and reaction have similar time constants is particularly interesting, although the framework is also valid for slow and instantaneous reactions. The case o…

Ionic liquids properties and applicationsInnovative Microfluidic and Catalytic Techniques InnovationCrystallization and Solubility Studies

4 × 4 Matrix formalisms for optics in stratified anisotropic media

P. J. Lin‐Chung、S. Teitler1984-07-01Journal of the Optical Society of America A

The 4 × 4 matrix formalisms developed respectively by Berreman [ D. W. Berreman , J. Opt. Soc. Am.62, 502 ( 1972)] and by Yeh [P. Yeh , J. Opt. Soc. Am.69, 742 ( 1979)] for the description of the ellipsometric properties of planar multilayer anisotropic media are compared. Features of both are used to provide a framew…

Liquid Crystal Research AdvancementsOptical Coatings and GratingsOptical Polarization and Ellipsometry

[(Me5C5)Rh(cis-Nb2W4O19)]2- isomers: synthesis, structure, and dynamics

C. J. Besecker、Victor W. Day、W. G. Klemperer 等 4 位作者1984-07-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT[(Me5C5)Rh(cis-Nb2W4O19)]2- isomers: synthesis, structure, and dynamicsC. J. Besecker, V. W. Day, W. G. Klemperer, and M. R. ThompsonCite this: J. Am. Chem. Soc. 1984, 106, 15, 4125–4136Publication Date (Print):July 1, 1984Publication History Published online1 May 2002Publis…

Organometallic Complex Synthesis and CatalysisMetal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and Applications

Spontaneous vesicles

James E. Brady、D. F. Evans、B. Kachar 等 4 位作者1984-07-01Journal of the American Chemical Society

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpontaneous vesiclesJames E. Brady, D. Fennell Evans, B. Kachar, and B. W. NinhamCite this: J. Am. Chem. Soc. 1984, 106, 15, 4279–4280Publication Date (Print):July 1, 1984Publication History Published online1 May 2002Published inissue 1 July 1984https://pubs.acs.org/doi/10.1…

Porphyrin and Phthalocyanine ChemistryMolecular Junctions and NanostructuresSurface Chemistry and Catalysis

Pattern selection in single-component systems coupling Bénard convection and solidification

Stephen H. Davis、Ulrich Müller、C. Dietsche1984-07-01Journal of Fluid Mechanics

A horizontal layer is heated from below and cooled from above so that the enclosed single-component liquid is frozen in the upper part of the layer. When the imposed temperature difference is such that the Rayleigh number across the liquid is supercritical, there is Bénard convection coupled with the dynamics of the s…

Theoretical and Computational PhysicsSolidification and crystal growth phenomenaFluid Dynamics and Thin Films

Properties of 2,3‐dicarboxy cellulose combined with various metallic ions

Eiichi Maekawa、Tetsuo Koshijima1984-07-01Journal of Applied Polymer Science

Abstract 2,3‐Dicarboxy cellulose and partially oxidized 2,3‐dicarboxy cellulose were prepared in good yields from the corresponding dialdehyde cellulose obtained by periodate oxidation of cellulose according to a modification of the method described by Hofreiter, Wolff, and Mehltretter [ J. Am. Chem. Soc ., 79 , 6457…

Advanced Cellulose Research StudiesLignin and Wood Chemistry