Infrared Spectroscopic Study of the Matrix Isolated Complexes of Titanium Tetrachloride with Ammonia and Trimethylamine PDF Download
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Author: Jennifer Beatty Everhart
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Author: Jennifer Beatty Everhart
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 590
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Book Description
"Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Author: Susan Rae Anderson
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
The matrix isolation technique has been employed to sequentially isolate intermediates when formed in the oxidation of various organic electron donors and ammonia with chromyl chloride. Both merged jet and twin jet configurations were used to deposit the reactants upon the CsI window in the cold head. Annealing the matrix to 36K was done on most of the samples to enhance the intensity of the initial complex formed upon deposition. The matrix was then irradiated with a mercury arc lamp for one hour. In most instances, this led to the destruction of the initial complex and to the formation a new product. Density functional calculations (B3LYP/6-311G) were carried out on the SGI computers using Gaussian 94 in order to provide theoretical vibrational spectra of the intermediates for comparison with the experimental spectra. Blank depositions and theoretical calculations were also carried out on all the reactants individually.
Author: NA Infrared Spectroscopy Institute
Publisher: Springer
ISBN: 1489970096
Category : Science
Languages : en
Pages : 444
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Author: Aiguo Wu
Publisher: John Wiley & Sons
ISBN: 3527347240
Category : Science
Languages : en
Pages : 252
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Book Description
A unique book that summarizes the properties, toxicology, and biomedical applications of TiO2-based nanoparticles Nanotechnology is becoming increasingly important for products used in our daily lives. Nanometer-sized titanium dioxide (TiO2) are widely used in industry for different purposes, such as painting, sunscreen, printing, cosmetics, biomedicine, and so on. This book summarizes the advances of TiO2 based nanobiotechnology and nanomedicine, covering materials properties, toxicological research, and biomedical application, such as antibacter, biosensing, and cancer theranostics. It uniquely integrates the TiO2 applications from physical properties, toxicology to various biomedical applications, and includes black TiO2 based cancer theranostics. Beginning with a comprehensive introduction to the properties and applications of nanoparticles, TiO2 Nanoparticles: Applications in Nanobiotechnology, Theranostics and Nanomedicine offers chapters on: Toxicity of TiO2 Nanoparticles; Antibacterial Applications of TiO2 Nanoparticles; Surface Enhanced Raman Spectrum of TiO2 Nanoparticle for Biosensing (TiO2 Nanoparticle Served as SERS Sensing Substrate); TiO2 as Inorganic Photosensitizer for Photodynamic Therapy; Cancer Theranostics of Black TiO2 Nanoparticles; and Neurodegenerative Disease Diagnostics and Therapy of TiO2-Based Nanoparticles. This title: -Blends the physical properties, toxicology of TiO2 nanoparticles to the many biomedical applications -Includes black TiO2 based cancer theranostics in its coverage -Appeals to a broad audience of researchers in academia and industry working on nanomaterials-based biosensing, drug delivery, nanomedicine TiO2 Nanoparticles: Applications in Nanobiotechnology, Theranostics and Nanomedicine is an ideal book for medicinal chemists, analytical chemists, biochemists, materials scientists, toxicologists, and those in the pharmaceutical industry.
Author: Thomas F. DeRosa
Publisher: Elsevier
ISBN: 0080480918
Category : Science
Languages : en
Pages : 701
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Book Description
Significant Pharmaceuticals Reported in US Patents identifies the next generation of pharmaceuticals reported in US Patents. This "hands-on" title provides explicit laboratory methods for preparing the most recent and effective medications. Each entry documents the biological testing protocols used to evaluate a drug and the significance of the current treatment agent over previous methods. Pharmaceuticals are included in this review only if at least two of the following criteria were met: Effectiveness in treating an illness, Innovative, ease of preparation, synergy with existing Medications. Pharmaceuticals are reported for 27 separate classes of illness, including: AIDS, Alzheimer's Disease, Cardiovascular Disorders, Diabetes, Epilepsy, Hepatitis C, Osteoporosis, Obesity and Sleep Disorders. Significant Pharmaceuticals Reported in US Patents has been designed to be used as both a reference and synthetic guide for pharmaceutical, medicinal and organic chemists and graduate students. Researchers working in other areas will also find the information valuable as in many instances intermediates or the next generation pharmaceutical are readily convertible into other industrial products including: anti-oxidants, chemical additives, herbicides, polymer precursors, water purification agents. Clear structural depictions of reagents and chemical transformations have been supplied to permit the identification of other future applications. Identifies next generation pharmaceuticals Provides practical preparation methods for each active agent and derivatives Documents the analytical characterization and biological testing results of active agents
Author: W.L.F. Armarego
Publisher: Elsevier
ISBN: 0080515460
Category : Technology & Engineering
Languages : en
Pages : 627
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Book Description
Now in its fifth edition, the book has been updated to include more detailed descriptions of new or more commonly used techniques since the last edition as well as remove those that are no longer used, procedures which have been developed recently, ionization constants (pKa values) and also more detail about the trivial names of compounds.In addition to having two general chapters on purification procedures, this book provides details of the physical properties and purification procedures, taken from literature, of a very extensive number of organic, inorganic and biochemical compounds which are commercially available. This is the only complete source that covers the purification of laboratory chemicals that are commercially available in this manner and format. * Complete update of this valuable, well-known reference* Provides purification procedures of commercially available chemicals and biochemicals* Includes an extremely useful compilation of ionisation constants
Author: Henry Schaefer
Publisher: Springer Science & Business Media
ISBN: 1468485415
Category : Science
Languages : en
Pages : 470
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Book Description
These two volumes deal with the quantum theory of the electronic structure of ab initio is the notion that approximate solutions molecules. Implicit in the term of Schrodinger's equation are sought "from the beginning," i. e. , without recourse to experimental data. From a more pragmatic viewpoint, the distin guishing feature of ab initio theory is usually the fact that no approximations are involved in the evaluation of the required molecular integrals. Consistent with current activity in the field, the first of these two volumes contains chapters dealing with methods per se, while the second concerns the application of these methods to problems of chemical interest. In a sense, the motivation for these volumes has been the spectacular recent success of ab initio theory in resolving important chemical questions. However, these applications have only become possible through the less visible but equally important efforts of those developing new theoretical and computational methods and models. Henry F. Schaefer vii Contents Contents of Volume 3 xv Chapter 1. A Priori Geometry Predictions 1. A. Pople 1. Introduction . . . . . . . . . . . . . . . . . . . 1 2. Equilibrium Geometries by Hartree-Fock Theory 2 2. 1. Restricted and Unrestricted Hartree-Fock Theories 2 2. 2. Basis Sets for Hartree-Fock Studies . . . . . 4 2. 3. Hartree-Fock Structures for Small Molecules . 6 2. 4. Hartree-Fock Structures for Larger Molecules 12 3. Equilibrium Geometries with Correlation . . 18 4. Predictive Structures for Radicals and Cations 20 5. Conclusions 23 References 24 Chapter 2. Barriers to Rotation and Inversion Philip W. Payne and Leland C.
Author: Ru-Min Wang
Publisher: Elsevier
ISBN: 0857092227
Category : Technology & Engineering
Languages : en
Pages : 570
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Book Description
Given such properties as low density and high strength, polymer matrix composites have become a widely used material in the aerospace and other industries. Polymer matrix composites and technology provides a helpful overview of these materials, their processing and performance.After an introductory chapter, part one reviews the main reinforcement and matrix materials used as well as the nature of the interface between them. Part two discusses forming and molding technologies for polymer matrix composites. The final part of the book covers key aspects of performance, including tensile, compression, shear and bending properties as well as impact, fatigue and creep behaviour.Polymer matrix composites and technology provides both students and those in industry with a valuable introduction to and overview of this important class of materials. Provides a helpful overview of these materials, their processing and performance incorporating naming and classification of composite materials Reviews the main reinforcement and matrix materials used as well as the nature of the interface between them including damage mechanisms Discusses forming and molding technologies for polymer matrix composites outlining various techniques and technologies
Author: Arvi Rauk
Publisher: John Wiley & Sons
ISBN: 0471461849
Category : Science
Languages : en
Pages : 360
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Book Description
A practical introduction to orbital interaction theory and its applications in modern organic chemistry Orbital interaction theory is a conceptual construct that lies at the very heart of modern organic chemistry. Comprising a comprehensive set of principles for explaining chemical reactivity, orbital interaction theory originates in a rigorous theory of electronic structure that also provides the basis for the powerful computational models and techniques with which chemists seek to describe and exploit the structures and thermodynamic and kinetic stabilities of molecules. Orbital Interaction Theory of Organic Chemistry, Second Edition introduces students to the fascinating world of organic chemistry at the mechanistic level with a thoroughly self-contained, well-integrated exposition of orbital interaction theory and its applications in modern organic chemistry. Professor Rauk reviews the concepts of symmetry and orbital theory, and explains reactivity in common functional groups and reactive intermediates in terms of orbital interaction theory. Aided by numerous examples and worked problems, he guides readers through basic chemistry concepts, such as acid and base strength, nucleophilicity, electrophilicity, and thermal stability (in terms of orbital interactions), and describes various computational models for describing those interactions. Updated and expanded, this latest edition of Orbital Interaction Theory of Organic Chemistry includes a completely new chapter on organometallics, increased coverage of density functional theory, many new application examples, and worked problems. The text is complemented by an interactive computer program that displays orbitals graphically and is available through a link to a Web site. Orbital Interaction Theory of Organic Chemistry, Second Edition is an excellent text for advanced-level undergraduate and graduate students in organic chemistry. It is also a valuable working resource for professional chemists seeking guidance on interpreting the quantitative data produced by modern computational chemists.
