Why proteins prefer interfaces
(1991). Why proteins prefer interfaces. Journal of Biomaterials Science, Polymer Edition: Vol. 2, Festschrift in Honor of the 75th Birthday of Dr. Leo Vroman: Part I, pp. 183-202.
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Coil-globule type transitions in polymers. 1. Collapse of layers of grafted polymer chains
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCoil-globule type transitions in polymers. 1. Collapse of layers of grafted polymer chainsE. B. Zhulina, O. V. Borisov, V. A. Pryamitsyn, and T. M. BirshteinCite this: Macromolecules 1991, 24, 1, 140–149Publication Date (Print):January 1, 1991Publication History Published on…
Ordered structure in mixtures of a block copolymer and homopolymers. 1. Solubilization of low molecular weight homopolymers
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOrdered structure in mixtures of a block copolymer and homopolymers. 1. Solubilization of low molecular weight homopolymersHideaki Tanaka, Hirokazu Hasegawa, and Takeji HashimotoCite this: Macromolecules 1991, 24, 1, 240–251Publication Date (Print):January 1, 1991Publication…
Nonenzymatic Deamidation of Asparaginyl and Glutaminyl Residues in Protein
Some asparagine and glutamine residues in proteins undergo deamidation to aspartate and glutamate with rates that depend upon the sequence and higher-order structure of the protein. Functional groups within the protein can catalyze this reaction, acting as general acids, bases, or stabilizers of the transition state.…
Optimized antireflection coatings for high-efficiency silicon solar cells
Antireflection coatings for silicon solar cells have been optimized both theoretically and experimentally for a range of possible situations, such as single-layer and double-layer coatings, and on planar and microgrooved surfaces. The effect of a thin passivating silicon dioxide layer under the coating was also consid…
A permanent magnet motor drive without a shaft sensor
The authors describe a simple control for a permanent motor drive that provides a wide speed range without use of a shaft sensor. Two line-to-line voltages and two stator currents are sensed and processed in analog form to produce the stator flux linkage space vector. The angle of this vector is used in a microcontrol…
Chemie der Polyoxometallate: Aktuelle Variationen über ein altes Thema mit interdisziplinären Bezügen
Abstract Die Verbindungsklasse der Metall‐Sauerstoff‐Clusteranionen ist nicht nur einzigartig hinsichtlich ihrer topologischen und elektronischen Vielfalt — sie hat auch erhebliche Bedeutung für ganz unterschiedliche Disziplinen. So sind die früheren Arbeiten auf diesem Forschungsgebiet mit Namen wie Berzelius, Werner…
Reduction of CeO 2 by hydrogen. Magnetic susceptibility and Fourier-transform infrared, ultraviolet and X-ray photoelectron spectroscopy measurements
The reduction of CeO2 by hydrogen has been studied from 300–1200 K by several complementary techniques: temperature-programmed reduction (TPR) and magnetic susceptibility measurements, Fourier-transform infrared (FTIR), UV–VIS diffuse reflectance and X-ray photoelectron (XP) spectroscopy. Two CeO2 samples were used wi…
Optical Properties and Structure of Defects in Silica Glass
This paper reviews what is known about the structures and optical properties of point defects in silica glass and other amorphous forms of SiO2. The available structural information derives mainly from the results of electron spin resonance (ESR) spectrometry-a method which is directly applicable only to the subclass…
Self-assembly in synthetic routes to molecular devices. Biological principles and chemical perspectives : a review
This article first provides a concise summary of the concepts, limitations, and paradigms of biological self-assembly processes, then surveys covalent self-assembly processes in the synthesis of 3-dimensional molecules and ordered assemblies
Atom movements: Diffusion and mass transport in solids
The present book is the result of diverse courses on diffusion. It is intended to give as complete an overview as possible of diffusion in solid media, while relating the process of diffusion to both their physical bases and their applications. A series of a real situations is covered in this account, from self-diffus…
Erbium-doped glasses for fiber amplifiers at 1500 nm
Material-dependent properties influencing the performance of fiber amplifiers are reviewed together with the available data for Er/sup 3+/. The major glass types potentially useful in this application are considered and compared to silica. The topics addressed include quenching processes and the solubility of rare-ear…
XPS studies of solvated metal atom dispersed (SMAD) catalysts. Evidence for layered cobalt-manganese particles on alumina and silica
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTXPS studies of solvated metal atom dispersed (SMAD) catalysts. Evidence for layered cobalt-manganese particles on alumina and silicaBeng Jit Tan, Kenneth J. Klabunde, and Peter M. A. SherwoodCite this: J. Am. Chem. Soc. 1991, 113, 3, 855–861Publication Date (Print):January 1…
Computer Modeling of Chemical Reactions in Enzymes and Solutions
Basic Principles of Chemical Bonding. Chemical Reactions in the Gas Phase and in Simple Solvent Models. Chemical Reaction in All--Atom Solvent Models. Potential Surfaces and Simulations of Macromolecules. Modeling Reactions in Enzymes: An Introduction. General Acid Catalysis and Electrostatic Stabilization in the Cata…
New Design Concept of Structural Ceramics
Ceramic nanocomposites can be divided into three categories: intergranular nanocomposite, intergranular nanocomposite and nano/nano composite. The intra- and intergranular nanocomposites were found to show the two to five times higher toughness and strength at room temperature than those of monolithic materials. The h…
Ultraviolet–visible absorption spectra of the colloidal metallic elements
The ultraviolet–visible absorption spectra are given for 10 nm diameter colloidal particles of 52 of the metallic elements, calculated from the optical constants of the metals by means of Mie theory. For most of the elements the spectra cover the range 200–900 nm. Well resolved absorption bands are observed for colloi…
Nanometer-sized semiconductor clusters: materials synthesis, quantum size effects, and photophysical properties
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNanometer-sized semiconductor clusters: materials synthesis, quantum size effects, and photophysical propertiesYing Wang and N. HerronCite this: J. Phys. Chem. 1991, 95, 2, 525–532Publication Date (Print):January 1, 1991Publication History Published online1 May 2002Published…
Polyoxometalate Chemistry: An Old Field with New Dimensions in Several Disciplines
Abstract Inorganic metal–oxygen cluster anions form a class of compounds that is unique in its topological and electronic versatility and is important in several disciplines. Names such as Berzelius , Werner , and Pauling appear in the early literature of the field. These clusters (so‐called isopoly‐ and heteropolyani…
Mathematical Crystallography
Volume 15 of Reviews in Mineralogy is written with two goals in mind. The first is to derive the 32 crystallographic point groups, the 14 Bravais lattice types and the 230 crystallographic space group types. The second is to develop the mathematical tools necessary for these derivations in such a manner as to lay the…
The Al2SiO5 Polymorphs
Volume 22 of Reviews in Mineralogy is a book exclusively devoted to three minerals: the Al2SiO5 polymorphs - andalusite, sillimanite, and kyanite. It covers a wide variety of topics that must be considered in the analysis of metamorphic systems and illustrates the fact that modern metamorphic petrology demands an awar…