Advances In Chemistry Research

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Advances in Chemistry Research

Author : James C. Taylor
Publisher :
ISBN 13 : 9781536150636
Total Pages : 0 pages
Book Rating : 4.1/5 (56 download)

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Book Synopsis Advances in Chemistry Research by : James C. Taylor

Download or read book Advances in Chemistry Research written by James C. Taylor and published by . This book was released on 2019-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this compilation, the authors begin by highlighting the recent developments in asymmetric 1,4- and 1,2- additions to α, β-unsaturated carbonyl compounds. The recent finding of Cu (I)-catalyzed asymmetric 1,2-addition of Grignard reagents to α, β-unsaturated carbonyl compounds, as well as aromatic ketones, has categorically revolutionized catalytic asymmetric reactions.This compilation also aims to use the well-known coordination preference of zinc in phthalocyanine and porphyrin ligands in correlation with supramolecular systems. The light-absorption process in dye-sensitized solar cells is studied using the time-dependent density functional theory.In recent years, a series of investigations on detonation wave formation in acetylene have been published. In these studies, it was shown that the formation of detonation proceeds entirely due to the energy released during the condensation of carbon nanoparticles during the growth of poly-aromatic hydrocarbons. The results of these studies are summarized and practical applications are discussed.The authors discuss aromatic amines, derivatives of aromatic hydrocarbons containing an amino group/an amine group/nitrogen atom in their structures. These compounds represent one of the most important classes of industrial and environmental chemicals. Three groups have been studied: monocyclic, polycyclic, and heterocyclic aromatic amines, which are used as intermediates in azo dye manufacturing, pigments, drugs, antibiotics, antidepressants, pesticides, and other industrial products.In the closing study, the GC-MS/MS method has been developed for the determination and quantification of 35 multiclass pesticide residues in chili samples. Pesticides were selected from different families including organochlorines, organophosphorus, carbamates, pyrethroids, triazines, triazoles, and pyrazoles. The QuEChERS-dSPE method was used for the extraction of pesticide residue.

Advances in Chemistry Research

Author : James C. Taylor
Publisher :
ISBN 13 : 9781685071837
Total Pages : 0 pages
Book Rating : 4.0/5 (718 download)

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Book Synopsis Advances in Chemistry Research by : James C. Taylor

Download or read book Advances in Chemistry Research written by James C. Taylor and published by . This book was released on 2021-10-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume comprises five chapters, each detailing recent updates in chemistry research. Chapter One describes different types of polymer electrolytes and their preparation methods as well as ion transport mechanisms, methods of improving properties, and techniques for evaluating their structure and properties. Chapter Two analyzes the scopes and limitations of chromatography, NMR spectroscopy, and UV spectroscopy for assigning fullerene C60 regioisomeric multiadducts. Chapter Three focuses on electrochemical techniques used for developing insulin sensors of high specificity and sensitivity. Chapter Four presents selected contemporary achievements of different computational methods in modeling of natural and newly synthesized compounds with determined antibacterial, antifungal and antiviral activities. Lastly, Chapter Five reviews some metal porphyrins of manganese, cobalt, vanadium, and chromium and their catalytic applications.

Advances in Organometallic Chemistry Research

Author : Kenji Yamamoto
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.X/5 (3 download)

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Book Synopsis Advances in Organometallic Chemistry Research by : Kenji Yamamoto

Download or read book Advances in Organometallic Chemistry Research written by Kenji Yamamoto and published by . This book was released on 2007 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new and important book presents recent advances in organometallic chemistry which is based on the reactions and use of a class of compounds (R-M) that contain a covalent bond between carbon and metal. They are prepared either by direct reaction of the metal with an organic compound or by replacement of a metal from another organometallic substance. Research in organometallic chemistry is also conducted in the areas of cluster synthesis, main-group derivatives in unusual oxidation states, organometallic polymers, unstable organometallic compounds and intermediates in matrices, structure determination of organometallic compounds in the solid state [X-ray diffraction] and gaseous states [electron diffraction], and mechanisms of reactions of transient silylenes and related species. In addition to the traditional metals and semimetals, elements such as selenium, lithium and magnesium are considered to form organometallic compounds, e.g. organomagnesium compounds MeMgI, iodo(methyl)magnesium and diethylmagnesium which are Grignard reagents an organo-lithium compound BuLi butyllithium; Organometallic compounds often find practical use as catalysts, the processing of petroleum products and the production of organic polymers.

Advances in Medicinal Chemistry Research

Author : Edeildo Ferreira Da Silva, Jr.
Publisher :
ISBN 13 : 9781536163681
Total Pages : 366 pages
Book Rating : 4.1/5 (636 download)

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Book Synopsis Advances in Medicinal Chemistry Research by : Edeildo Ferreira Da Silva, Jr.

Download or read book Advances in Medicinal Chemistry Research written by Edeildo Ferreira Da Silva, Jr. and published by . This book was released on 2019-10-15 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Medicinal Chemistry Research is a book addressed to undergraduate and postgraduate students, where recent advances in the discovery and development of effective agents against the most remarkable wide-reaching diseases are presented, divided into seven chapters. This first edition of Advances in Medicinal Chemistry Research offers insights into medicinal chemistry that arguably have the most significant impact on our lives than any other. It draws together research on therapeutic agents from natural, synthetic, and virtual screening sources as starting points for the design of drugs against obesity, multidrug-resistant bacteria, neglected tropical diseases, Alzheimer, and cancer. From the prediction of promising hits and identification of active compounds to the extraction of more complex molecules, this book explores a range of essential topics to support the development of novel, economical, and efficacious therapeutics for these diseases, which currently affect a billion people worldwide. Beginning with an overview of obesity, showing the current research landscape, the books shows the importance of natural and synthetic products as promising anti-obesity agents. Subsequently, the medicinal chemistry of modulation of bacterial resistance is presented, focusing on the MFS, RND, ABC, and MATE superfamilies. The book goes on to discuss such topics as antituberculosis, antileishmanial, and anti-hepatitis thiophene-containing compounds, under the medicinal chemistry point of view. Also, potent human glutaminyl cyclase inhibitors are deeply discussed and displayed as hopeful anti-Alzheimer's agents. The last three chapters are focused on the development of researches involving new anticancer agents, initializing with LBDD, SBDD, QSAR, and QM/MM methods applied to the identification of novel promising anticancer compounds. Moreover, IDO1 inhibitors are exhaustively explored and analyzed as a new promise for the immunotherapy of cancer. Finally, a great update on Eg5 kinesin inhibitors is provided, exploring different chemical classes of synthetic and natural compounds, including miscellanea as a new approach for Eg5 inhibition. Combining the expertise of researchers from around the world, this volume aims to support and encourage researches for the development of novel, safe, and active agents against lipase enzyme, bacteria, neglected tropical diseases, Alzheimer, and cancer. The clear narrative truly engages the reader, holding their attention right from the opening of a chapter, and maintaining interest and understanding as a chapter leads into more complex material. Advances in Medicinal Chemistry Research is a book that reviews ongoing developments and recent cutting-edge advances in medicinal chemistry of the most relevant diseases found nowadays, underlining how medicinal chemistry research continues to make significant contributions to the discovery and development of new therapeutic entities. Key Features â¢Chapters written by active specialists and leading experts deeply engaged in the research field of most deadly and limiting diseases for drug discovery. â¢Draws together cutting-edge research advances in medicinal chemistry focused at the obesity, multidrug-resistant microorganisms, Alzheimer, and cancer in a single volume. â¢Highlights the future potential of researches for the medicinal chemistry of most impactful diseases today. â¢Contents addressed to medicinal chemistry, biochemistry, biology, and pharmacy students, professors, and researchers.

Advances in Chemistry Research. Volume 62

Author : James C. Taylor
Publisher :
ISBN 13 : 9781536179217
Total Pages : 284 pages
Book Rating : 4.1/5 (792 download)

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Book Synopsis Advances in Chemistry Research. Volume 62 by : James C. Taylor

Download or read book Advances in Chemistry Research. Volume 62 written by James C. Taylor and published by . This book was released on 2020-07-09 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Chemistry Research. Volume 62 first provides information related to the synthesis, morphology, crystal structure, and porosity of bentonite and bentonite/magnetite powders. Following this, the authors discuss carbon tetrachloride, a clear, colourless, volatile and very stable chlorinated hydrocarbon with a non-polar nature, making it an excellent solvent.Recent research on the applications of hydrogen peroxide as oxidizing and reducing agent is presented, as well as its application in biocatalysis, as signaling molecule, and in nanochemistry.The mode of action hydrogen peroxide induces in yeast apoptosis is also addressed, including overexpression of apoptosis inducing factor homologue proteins.Additionally, this compilation describes the recent advances concerning the use of hydrogen peroxide in heteropolyacid-catalyzed oxidation reactions of terpenic alcohols, which are renewable origin compounds whose oxidation provides aldehydes and epoxides.Diamines, organic compounds with two amino groups, are described. In one study, different diamines are synthesized with complex formulas used in the preparation of different thermally stable polymers.A few diamines used in developing thin-film polyamide composite membranes are reviewed.The concluding study is focused on gas hydrates, mixtures of light gases such as methane, ethane or carbon dioxide, and water molecules under a special temperature and pressure condition, forming a liquid-like material.

Advances in Medicinal Chemistry

Author : B.E. Maryanoff
Publisher : Elsevier
ISBN 13 : 0080526373
Total Pages : 338 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Advances in Medicinal Chemistry by : B.E. Maryanoff

Download or read book Advances in Medicinal Chemistry written by B.E. Maryanoff and published by Elsevier. This book was released on 1999-04-01 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 4 of Advances in Medicinal Chemistry is comprised of six chapters on a wide range of topics in medicinal chemistry, including molecular modeling, structure-based drug design, organic synthesis, peptide conformational analysis, biological assessment, structure-activity correlation, and lead optimization. Chapter 1 presents an account about amino acid-based peptide mimetics corresponding to b-turn, loop, helical motifs in proteins as a probe of ligand-receptor and ligand-enzyme molecular interactions. Chapter 2 addresses new facets of the medicinal chemistry of the important anticancer drug Taxol® (paclitaxel). Chapter 3 relates an account of the search for new drugs for the treatment of malaria based on the natural product artemisinin. Chapter 4 applies computational chemistry to the evaluation of compound libraries for biological testing. Chapter 5 describes the construction of a 3-dimensional molecular model of the human thrombin receptor, the first protease-activated G-protein coupled receptor (PAR-1), as a means to explore the intermolecular contacts involved in agonist peptide recognition. Finally, Chapter 6 describes the research conducted at Merck on inhibitors of farnesyl transferase as a potential treatment for human cancers.

Recent Advances in Organic Chemistry

Author : Alfred Walter Stewart
Publisher :
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Recent Advances in Organic Chemistry by : Alfred Walter Stewart

Download or read book Recent Advances in Organic Chemistry written by Alfred Walter Stewart and published by . This book was released on 1927 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Solvent Effects in Chemistry: Advances in Applications and Research

Author : Valérie Mireault
Publisher : Nova Science Publishers
ISBN 13 : 9781536182262
Total Pages : 285 pages
Book Rating : 4.1/5 (822 download)

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Book Synopsis Solvent Effects in Chemistry: Advances in Applications and Research by : Valérie Mireault

Download or read book Solvent Effects in Chemistry: Advances in Applications and Research written by Valérie Mireault and published by Nova Science Publishers. This book was released on 2020-08-26 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Solvent Effects in Chemistry: Advances in Applications and Research, a critical review of solvent influence on the performance of metal catalysts in the hydrogenation of carbonyl compounds, specifically unsaturated aldehydes, ketones and ketoesters, is provided.Additionally, the effects of solvent on the kinetics and mechanism of different reactions, stability, and sensitivity of the nanostructures are investigated.The uses of a large of variety of solvents varying from non-polar low basic solvents to polar strong basic solvents are discussed, showing that the properties of different solvents strongly influence the product composition of both studied reactions.The effects of solvent on the isomerization of monoterpenes epoxides as α- and β-pinene epoxide, limonene epoxide, verbenol epoxide, and nopol epoxide are explained from molecular and mechanistic points of view.The concluding study explores how heterolytic bond dissociation forms ionic species, while the corresponding homolytic bond dissociation results in the formation of neutral radical species.

Recent Advances in Medicinal Chemistry, Volume 1

Author : Atta-ur Rahman
Publisher : Elsevier
ISBN 13 : 0128039620
Total Pages : 487 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Recent Advances in Medicinal Chemistry, Volume 1 by : Atta-ur Rahman

Download or read book Recent Advances in Medicinal Chemistry, Volume 1 written by Atta-ur Rahman and published by Elsevier. This book was released on 2015-06-16 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published by Bentham and now distributed by Elsevier, Recent Advances in Medicinal Chemistry, Volume 1 covers leading-edge research and recent developments in rational drug design, synthetic chemistry, bioorganic chemistry, high-throughput screening, combinatorial chemistry, drug targets, and natural product research and structure-activity relationship studies. The fourteen updated reviews include unique experimental data and references, and each article highlights an important topic in current medicinal chemistry research. Topics covered include: aureolic acid group of anti-cancer antibiotics and non-steroidal anti-inflammatory drugs; aromatase inhibitors in adjuvant endocrine treatment of early-stage breast cancer in postmenopausal women; Rho GTPases and statins in targeting and developing therapies for tumors; and more. - Edited and written by leading experts in medicinal chemistry research - Reviews recent advances in the field, including the characterization of inorganic nanomaterials as therapeutic vehicles - Covers a variety of topical areas, such as HPLC and in the analysis of tricyclic antidepressants in biological samples, and tannins and their influence on health

Surfactants

Author : Laurier Lincoln Schramm
Publisher : Cambridge University Press
ISBN 13 : 0521640679
Total Pages : 633 pages
Book Rating : 4.5/5 (216 download)

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Book Synopsis Surfactants by : Laurier Lincoln Schramm

Download or read book Surfactants written by Laurier Lincoln Schramm and published by Cambridge University Press. This book was released on 2000-03-23 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2000 book provides an introduction to the nature, occurrence, physical properties, propagation, and uses of surfactants in the petroleum industry.

Advances in Adsorption Technology

Author : Bidyut Baran Saha
Publisher :
ISBN 13 : 9781608768332
Total Pages : 0 pages
Book Rating : 4.7/5 (683 download)

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Book Synopsis Advances in Adsorption Technology by : Bidyut Baran Saha

Download or read book Advances in Adsorption Technology written by Bidyut Baran Saha and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The efficient utilisation of energy at low heat source temperature is a key issue for both industry and academia. In recent years, the heat-activated adsorption cycles are proven to be practical and energy efficient method for converting low-temperature waste heat into useful effects such as cooling, freezing, heating, storage and desalination and this is reflected by the dearth of literature publications. The adsorption technology would steer towards the key development of heat activated machines for the energy industry and they could offer cost-effective solutions for achieving energy efficiency and environment sustainability. This edited book covers the state-of-the art of adsorption research and technologies for relevant applications with the objectives of energy efficiency and sustainability. It consists of fifteen chapters from renowned experts in adsorption fields around the world covering the aspects of adsorption fundamentals, adsorbent materials characterisations, adsorption cooling, storage, and heat pump systems. This book examines new research directions in this frontier field.

Advances in Protein Chemistry

Author : D. C. Rees
Publisher : Academic Press
ISBN 13 : 9780120342075
Total Pages : pages
Book Rating : 4.3/5 (42 download)

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Book Synopsis Advances in Protein Chemistry by : D. C. Rees

Download or read book Advances in Protein Chemistry written by D. C. Rees and published by Academic Press. This book was released on 1952 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume in the Advances in Protein Chemistry series features cutting-edge articles on topics in protein chemistry. This volume includes chapters on the structural basis of effector regulation and signal termination in heterotrimeric G?n?nproteins; How do receptors activate G proteins; Some mechanistic insights into GPCR activation from detergent solubilized ternary complexes on beads; Activation of G protein coupled receptors; Kinetic analysis of g-protein-coupled receptor signaling using fluorescence resonance energy transfer in living cells; Regulation of Rho Guanine Nucleotide Exchange Factors (RhoGEFs) by G proteins.

Advances in Quantum Chemistry

Author : Per-Olov Lowdin
Publisher :
ISBN 13 : 9780120348190
Total Pages : 365 pages
Book Rating : 4.3/5 (481 download)

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Book Synopsis Advances in Quantum Chemistry by : Per-Olov Lowdin

Download or read book Advances in Quantum Chemistry written by Per-Olov Lowdin and published by . This book was released on 1988 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Quantum Chemistry presents surveys of current developments in this rapidly developing field that falls between the historically established areas of mathematics, physics, chemistry, and biology. With invited reviews written by leading international researchers, each presenting new results, it provides a single vehicle for following progress in this interdisciplinary area.This Volume and Volume 39 will be thematic volumes based on the proceedings of the Fifth European Workshop on Quantum Systems in Chemistry and Physics which was held April 13-18, 2000, in Uppsala, Sweden. We published the proceedings from a previous meeting in 1998. See Volumes 31 and 32.

Tritium

Author : Marija M. Janković
Publisher :
ISBN 13 : 9781536135077
Total Pages : 295 pages
Book Rating : 4.1/5 (35 download)

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Book Synopsis Tritium by : Marija M. Janković

Download or read book Tritium written by Marija M. Janković and published by . This book was released on 2018 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tritium, 3H (T), is a radioactive isotope of hydrogen. Naturally occurring tritium is rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. Once formed in the stratosphere, the tritium atoms have a large amount of kinetic energy. At a pressure lower than atmospheric, they react with the oxygen, creating a stable radical HO2. This radical reacts with ozone, following the photochemical reaction of decomposition TO2 to HTO. Once tritium is incorporated into the water molecule, then it falls to the Earth's surface as precipitation or snow, thus entering into the natural hydrological cycle.With a half-life of 12.32 years and a maximum energy of 18 keV beta radiation, this radioisotope is not dangerous externally, but it can be a radiation hazard when inhaled, ingested via food or water, or absorbed through the skin. The biological half-life ranges from around 7 to 14 days, so bioaccumulation of tritium is not a significant concern.Tritium is a very useful hydro-geological tracer and can be successfully applied in assessing the age of groundwater and residence times of continental hydrologic systems or as an oceanic transient tracer. Tritium releases from nuclear installations may be useful for some applications as a powerful local tracer, but on the other hand such releases may affect the reliability and accuracy of tritium use as a global tracer. For this reason, measuring of the activity concentrations of tritium is regularly a part of every national and/or international monitoring programme. Tritium is also used in radio luminescent light sources for watches and various instruments, and, along with deuterium, as a fuel for nuclear fusion reactors with applications in energy generation and weapons.The amount of tritium that appears in the atmosphere as a product of human activity comes from: nuclear reactors, production of nuclear weapons, atmospheric and above ground nuclear explosions, heavy water and tritium plants, and plants for tritium separation. The use of tritium labeled compounds for medical and research purposes is also a possible source of contamination by tritium.Knowledge of the tritium concentration distribution in the environment, awareness of various anthropogenic sources of tritium, and optimization of measurement conditions are of great importance in various applications and in preserving human health.

Advances in Chemistry Research. Volume 59

Author : James C. Taylor
Publisher :
ISBN 13 : 9781536171129
Total Pages : 0 pages
Book Rating : 4.1/5 (711 download)

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Book Synopsis Advances in Chemistry Research. Volume 59 by : James C. Taylor

Download or read book Advances in Chemistry Research. Volume 59 written by James C. Taylor and published by . This book was released on 2020-03-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This compilation opens with a study on the catalytic conversion of methanol to olefins, mainly SAPO-34 and ZSM-5, as well as the synthesis, properties, applications. A description of phenylalanine ammonia-lyase is presented in relation to structure, localization, expression, regulation, assay methods and the factors influencing phenylalanine ammonia-lyase activity, as well as its importance to the phenylpropanoid pathway for plant growth and development. The authors critically analyze the development of molecular nanocatalysts based on organochalcogenligands and their applications in the transfer of hydrogenation. Following this, the progress in applications of dimensional analysis and similarity theory in electrochemical kinetics and electrochemical engineering is discussed. The use of dimensionless groups in problems of current density distribution and electrochemical mass transfer is described and the similarity criteria involved are considered. The authors focus on various solvent-minimized sample pre-treatment procedures which are inexpensive and offer minimal exposure to toxic organic solvents during sample analysis. The concluding chapter explores bis-azides, i.e., organic compounds presenting two azido groups in their structures. Their utility in synthetic group transformation is covered, as well as in polymer chemistry, the preparation of bioactive compounds, click chemistry, and in the synthesis of cross-linked DNA.

Advances in Chemistry Research

Author : James C. Taylor
Publisher : Nova Science Publishers
ISBN 13 : 9781634822428
Total Pages : 0 pages
Book Rating : 4.8/5 (224 download)

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Book Synopsis Advances in Chemistry Research by : James C. Taylor

Download or read book Advances in Chemistry Research written by James C. Taylor and published by Nova Science Publishers. This book was released on 2015-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents original research results on the leading edge of chemistry research. Each article has been carefully selected in an attempt to present substantial research results across a broad spectrum. Topics discussed include integrated upgrading of energy agro-crops for production of dissolving grade eco-clean cellulose fibres; effective medium simmons (EMS) model for accounting of multi-barrier tunnelling in single molecular nanodevice; methods for converting nitro aryls to secondary aryl amines in one-pot; effect of NaOH coatings on the 330Cb alloy oxidation at 900 °C; evaluation of a novel natural adsorbent for heavy metal removal and its comparison to banana peel; structural diversity, surface composition, and redox behaviour in the La0.6Sr0.4CoO3 PrO2- system; improvement of x-ray fluorescence and x-ray radiometric methods of rare heavy metals' diagnostics in soils; difference in deformation characteristics by forming into the agglomerates in KCl:Sr2+ single crystals; the electrolytic dissociation of alkyl and aryl derivatives of glutaric acid; and thermodynamic consistency tests for experimental data of salt deposition in saline water.

The Future of U.S. Chemistry Research

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309164451
Total Pages : 160 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Future of U.S. Chemistry Research by : National Research Council

Download or read book The Future of U.S. Chemistry Research written by National Research Council and published by National Academies Press. This book was released on 2007-06-08 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry plays a key role in conquering diseases, solving energy problems, addressing environmental problems, providing the discoveries that lead to new industries, and developing new materials and technologies for national defense and homeland security. However, the field is currently facing a crucial time of change and is struggling to position itself to meet the needs of the future as it expands beyond its traditional core toward areas related to biology, materials science, and nanotechnology. At the request of the National Science Foundation and the U.S. Department of Energy, the National Research Council conducted an in-depth benchmarking analysis to gauge the current standing of the U.S. chemistry field in the world. The Future of U.S. Chemistry Research: Benchmarks and Challenges highlights the main findings of the benchmarking exercise.