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Contributions by scientists working in international laboratories provide the novice researcher with synthetic data and high-technology applications of leuco dyes. Covering leuco dye classes that exhibit reasonable stability, the book discusses photochromic materials that have wide-ranging applications in memory technology, leuco dyes for color photography, and a special class of dyes formulated by reduction instead of the oxidation process.

Vat dyes. --- Chemistry, Physical organic. --- Physical Chemistry. --- Physical chemistry. --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Leuco dyes --- Triphenylmethane dyes --- Dyes and dyeing

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These books, with of a total of 40 chapters, are a comprehensive and complete introductory text on the synthesis, characterization, and applications of nanomaterials. They are aimed at graduate students and researchers whose background is chemistry, physics, materials science, chemical engineering, electrical engineering, and biomedical science. The first part emphasizes the chemical and physical approaches used for synthesis of nanomaterials. The second part emphasizes the techniques used for characterizing the structure and properties of nanomaterials, aiming at describing the physical mechanism, data interpretation, and detailed applications of the techniques. The final part focuses on systems of different nanostructural materials with novel properties and applications.

Materials science. --- Physical chemistry. --- Optical materials. --- Electronic materials. --- Materials Science. --- Characterization and Evaluation of Materials. --- Optical and Electronic Materials. --- Physical Chemistry. --- Surfaces (Physics). --- Chemistry, Physical organic. --- Chemistry, Physical organic --- Chemistry, Organic --- Chemistry, Physical and theoretical --- Optics --- Materials --- Physics --- Surface chemistry --- Surfaces (Technology) --- Nanostructured materials --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Electronic materials --- Material science --- Physical sciences --- Characterization and Analytical Technique. --- Optical Materials. --- Analysis.

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We present here the second issue devoted entirely to the spin-labeling technique as part of Biological Magnetic Resonance. Volume 14 commemorates a modification in our editorial policy with the retirement of my esteemed coeditor, Jacques Reuben. From this juncture into the future, each issue will focus on some special topic in magnetic resonance. Each volume will be organized in most cases by guest editors, for example forthcoming issues will address the following topics: in vivo magnetic resonance (P. Robitaille and L. J. Berliner, eds. ) Modern techniques in proton NMR of proteins (R. Krishna and L. J. Berliner, eds. ) Instrumental techniques of EPR (C. Bender and L. J. Berliner, eds. ) The current volume, Spin Labeling: The Next Millennium, presents an excellent collection of techniques and applications that evolved during the past decade since the last volume, volume 8 (1989). Some obvious omissions, such as multi-quantum EPR and very high-frequency FT-ESR were unfortunately not possible for this volume. Perhaps they will appear in Spin Labeling: 2001. Lastly it is a pleasure to honor two scientists whose contributions were both pioneering and pivotal to the spin label technique: Professor Eduard G. Rozantsev (Moscow), whose synthetic feats in nitroxyl chemistry set the broad stage for a versatile catalog of labels; and Professor Harden M. McConnell, last year's International ESR (EPR) Society Gold Medalist, who conceived and developed the spin label technique to address many biological problems (proteins, enzymes, m- branes, cells, immune response, etc. ). Lawrence J.

Biomolecules --- Magnetic resonance. --- Analysis. --- Chemistry, Physical organic. --- Analytical biochemistry. --- Biochemistry. --- Physical Chemistry. --- Analytical Chemistry. --- Biochemistry, general. --- Physical chemistry. --- Analytical chemistry. --- Biological chemistry --- Chemical composition of organisms --- Organisms --- Physiological chemistry --- Biology --- Chemistry --- Medical sciences --- Analysis, Chemical --- Analytic chemistry --- Chemical analysis --- Chemistry, Analytic --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Composition

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As quantum theory enters its second century, it is fitting to examine just how far it has come as a tool for the chemist. Beginning with Max Planck’s agonizing conclusion in 1900 that linked energy emission in discreet bundles to the resultant black-body radiation curve, a body of knowledge has developed with profound consequences in our ability to understand nature. In the early years, quantum theory was the providence of physicists and certain breeds of physical chemists. While physicists honed and refined the theory and studied atoms and their component systems, physical chemists began the foray into the study of larger, molecular systems. Quantum theory predictions of these systems were first verified through experimental spectroscopic studies in the electromagnetic spectrum (microwave, infrared and ultraviolet/visible), and, later, by nuclear magnetic resonance (NMR) spectroscopy. Over two generations these studies were hampered by two major drawbacks: lack of resolution of spectroscopic data, and the complexity of calculations. This powerful theory that promised understanding of the fundamental nature of molecules faced formidable challenges. The following example may put things in perspective for today’s chemistry faculty, college seniors or graduate students: As little as 40 years ago, force field calculations on a molecule as simple as ketene was a four to five year dissertation project.

Quantum chemistry. --- Quantum theory. --- Chemistry, Physical organic. --- Chemistry. --- Physical Chemistry. --- Computer Applications in Chemistry. --- Theoretical and Computational Chemistry. --- Physical chemistry. --- Chemoinformatics. --- Chemistry, Physical and theoretical. --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry --- Chemical informatics --- Chemiinformatics --- Chemoinformatics --- Chemistry informatics --- Information science --- Computational chemistry --- Data processing --- Chemistry, Quantum --- Chemistry, Physical and theoretical --- Quantum theory --- Excited state chemistry

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According to R.H. Crabtree, Metal Dihydrogen and sigma-Bond Complexes is described as `the definitive account of twentieth-century work in the area of sigma complexation'. It covers not only Kubas' discovery of dihydrogen coordination and the study of its structure and general properties but also discusses both the theoretical beliefs and experimental results of bonding and activation of dihydrogen on metal centers and the coordination and activation of C-H, B-H, X-H, and X-Y bonds, giving an overview of `one of the hottest areas in chemistry'.

Metal complexes. --- Hydrogen. --- Chemical bonds. --- Chemistry, Organic. --- Chemistry, Physical organic. --- Chemistry, inorganic. --- Chemical engineering. --- Organometallic Chemistry. --- Physical Chemistry. --- Inorganic Chemistry. --- Industrial Chemistry/Chemical Engineering. --- Organometallic chemistry . --- Physical chemistry. --- Inorganic chemistry. --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Inorganic chemistry --- Chemistry --- Inorganic compounds --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Chemistry, Organometallic --- Metallo-organic chemistry --- Chemistry, Organic --- Nonmetals