Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEvolution of order in thin block copolymer filmsA. M. Mayes, T. P. Russell, P. Bassereau, S. M. Baker, and G. S. SmithCite this: Macromolecules 1994, 27, 3, 749–755Publication Date (Print):January 1, 1994Publication History Published online1 May 2002Published inissue 1 Janua…
Abstract We investigated the effect of poly(ethylene‐co‐vinyl alcohol) (EVOH) concentration on the processability and physical properties of thermoplastic starch plasticized with glycerine and water. Waxy maize starch (Amioca), native corn starch (Melogel), and a treated high amylose corn starch (Hylon VII) were emplo…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMiscibility and morphology of blends of isotactic and atactic poly(3-hydroxybutyrate)Hideki Abe, Yoshiharu Doi, Michael M. Satkowski, and Isao NodaCite this: Macromolecules 1994, 27, 1, 50–54Publication Date (Print):January 1, 1994Publication History Published online1 May 20…
Hot pressing kinetics of α‐Si 3 N 4 , AIN, Al 2 O 3 , and Y 2 O 3 powder mixtures forming α′‐ and β′‐SiAlONs have been studied. Densification proceeds in two steps, first by a small shrinkage upon ternary eutectic oxide melting (SiO 2 –Al 2 O 3 –Y 2 O 3 ) at 1340°C, followed by a massive particle rearrangement and fur…
A monoclonal antibody (mAb 4D9) was used to analyze engrailed expression in amphipod embryos. As in other arthropods, engrailed is expressed in iterated transverse stripes in the germ band. In the anterior region these stripes are generated without a recognizable division pattern, and their appearance and formation sh…
We present the results from a recent study of the structure and energies of the low-index surfaces of spinel (MgAl2O4) using atomistic simulation techniques. These illustrate the complexity of modelling the surfaces of ternary oxides, particularly since cation ordering, resulting in the formation of inverse spinel, pl…
Abstract The dynamic affinity adsorption oflysozyme through stacked flat‐sheet cellulose membranes with immobilized cibacron blue 3GA was studied and compared to three affinity‐membrane models: diffusion model to explore the importance of axial and radial diffusion; variation model to study the effects of pore‐size di…
Cyclic dipeptides consisting of diverse amino acids can cause physical gelation in a wide variety of organic fluids, including edible oils, glyceryl esters, alcohols and aromatic molecules; the gelation phenomenon is characterized by minimum gel concentration, FTIR spectroscopy, transmission electron microscopy, and X…
The resistance to pitting of an Fe‐17%Cr alloy in neutral chloride solution was studied, as a function of chloride concentration and of polarization time (aging), using combined electrochemical measurements and XPS analyses. Potentiodynamic experiments (at 1 V/h) show that pitting occurs at chloride concentrations abo…
We propose a new type of liquid substrate, perfluorinated oil (F-oil), for the formation of two-dimensional arrays from colloidal particles. The appropriate conditions for particle ordering (experimental cell, type and concentration of surfactants, etc.) are reported. Large and well ordered structures from µm-sized la…
Observations of intact reconstituted and native collagen fibres were performed with the atomic force microscope. The results are compared between the two types of fibres and with those obtained previously with the electron microscope on freeze-etched or negative stained samples. Some of the findings presented here ind…
Part 1 Tables for plane groups and space groups: symbols and terms used in this volume, Th. Hahn guide to the use of the space-group tables, Th. Hahn and A. Vos space-group determination and diffraction symbols, A. Vos and M.J. Buerger synoptic tables of space-group symbols group-subgroup relations, E.F. Betaut transf…
O.B. Ptitsyn; Kinetic and equilibrium intermediates in protein folding, Protein Engineering, Design and Selection, Volume 7, Issue 5, 1 May 1994, Pages 593–596,
The critical behavior of charge-density waves (CDWs) in the pinned phase is studied for applied fields increasing toward the threshold field, using recently developed renormalization-group techniques and simulations of automaton models. Despite the existence of many metastable states in the pinned state of the CDW, th…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHole transport in 1-phenyl-3-((diethylamino)styryl)-5-(p-(diethylamino)phenyl)pyrazoline-doped polymersP. M. Borsenberger and L. B. ScheinCite this: J. Phys. Chem. 1994, 98, 1, 233–239Publication Date (Print):January 1, 1994Publication History Published online1 May 2002Publi…
The constitutive equations based on polycrystalline models include information on the microstructure of the metallic materials and offer extended modelling capabilities with respect to macroscopic approaches. The purpose of this paper is to show that they can now be used in finite element calculations. The material is…
Abstract Complexation between pyridines and carboxylic acids is driven by hydrogen bonding. This simple, single hydrogen bond is shown to be capable of serving concomitantly as both the agent of liquid crystallinity and as the coupling bond generating an extended linear chain structure. Three such complexes made from…
The concept of interpolymer complexation is applied to develop a new method for interfacial modification of immiscible binary homopolymer blends. In this method, end-functional homopolymers terminated with acid and base groups are added to the blend to promote in situ end-complexation of the immiscible materials acros…
Time-resolved flash photography was used to investigate the dynamics of shock waves and cavitation bubbles generated by picosecond optical breakdown in bovine corneal tissue and water. A picosecond Nd:YLF laser was employed. A rapid decay of the shock waves was observed in both materials, with similar temporal charact…
Numerical solutions are obtained for a set of self-consistent-field equations that give the thickness dependence of the Helmholtz energy of a polymer film. Helmholtz energies are calculated for a series of polymer melts in order to illustrate some of the unique wetting behaviours that are exhibited by amorphous polyme…