The Porphyrins V6
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| Author | : David Dolphin |
| Publisher | : Elsevier |
| Total Pages | : 957 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323141943 |
The Porphyrins, Volume VI: Biochemistry, Part A deals with the biochemistry of porphyrins, their precursors, catabolic derivatives, and related compounds. The book covers the biosynthesis of porphyrins and chlorophylls; the formation and metabolism of bile pigments in animals and plants; as well as the synthesis, characterization, and chemistry of the bile pigments and their derivatives. An account of the historical and clinical aspects of porphyrins and bile pigments is also given. This volume is organized into 12 chapters and begins with an overview of protoporphyrins and their metabolic intermediates, paying particular attention to their synthesis and biosynthesis. The discussion then shifts to the biosynthesis of porphyrins and chlorophylls; the in vivo formation and metabolism of bile pigments such as biliverdin and bilirubin; and yellow, green, and blue bile pigments. The reader is then introduced to bile pigments of plants including phytochrome and phycobiliproteins; the general structures and nomenclature of bile pigment derivatives; and the Stokvis reaction. The book also considers the clinical chemistry of porphyrins, and then concludes with a chapter on milestones in the history of bile pigments. This book will be of value to inorganic, organic, physical, and biochemists interested in the biochemistry of porphyrins.
| Author | : Marcel Florkin |
| Publisher | : Elsevier |
| Total Pages | : 582 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323145248 |
Comparative Biochemistry: A Comprehensive Treatise, Volume VI: Cells and Organisms focuses on the complex composition of cells and organisms. The book opens with discussions on the biochemistry of morphogenesis. Bacterial germination and sporulation; seed germination; egg development of sea urchins; sporulation of cellular slime mold; and amphibian differentiation are described. The volume looks at the comparative aspects of metabolic control, biochemical basis of chemical needs, biochemistry of insect metamorphosis, and hormones in invertebrates. The text also highlights the presence of protein hormones in vertebrates. The differences between neurohypophyseal and melanocorticotropic hormones are identified. The book ends with discussions on the comparative biochemistry of digestive mechanisms and detoxication. Digestion in special physiological and systematic groups of vertebrates, carnivorous plants, and invertebrates; detoxication and adoption of terrestrial habitat; and the developmental aspects of detoxication are discussed. The book is a good source of data for readers wanting to explore the complex composition of organisms and cells.
| Author | : Jonathan Cremers |
| Publisher | : Springer Nature |
| Total Pages | : 294 |
| Release | : 2020-02-13 |
| Genre | : Science |
| ISBN | : 3030391019 |
This book cuts across the divisions of organic, inorganic, and physical chemistry. It describes new methods for creating π-conjugated porphyrin oligomers with precisely defined sequences of zinc and copper metal cations, and how EPR spectroscopy was used to investigate the dipolar and exchange coupling between the paramagnetic copper(II) centres. Porphyrins are a group of heterocyclic macrocycle organic compounds that play an important role in our everyday life and can for example be found in blood where they form a red complex with iron (haem). Various metallic elements can be inserted into a porphyrin and changing the coordinated metal is an excellent way to influence the chemical and physical properties of these molecules. Focusing on 3 metals - zinc, magnesium and copper - the author established new methods for creating π-conjugated porphyrin oligomers and lastly presents the synthesis and investigation of two novel porphyrin nanoballs. Giving the template-directed strategy the author developed for constructing these molecules, this work could provide access to other related nano-cages.
| Author | : |
| Publisher | : ScholarlyEditions |
| Total Pages | : 308 |
| Release | : 2013-06-21 |
| Genre | : Medical |
| ISBN | : 1481691635 |
Porphyrins—Advances in Research and Application: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Chlorophyll. The editors have built Porphyrins—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Chlorophyll in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Porphyrins—Advances in Research and Application: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
| Author | : William Pryor |
| Publisher | : Elsevier |
| Total Pages | : 468 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0323149316 |
Free Radicals in Biology, Volume VI covers the significant biological implications of arachidonic acid chemistry in free radical biology. This 11-chapter volume explores the biochemistry of the prostaglandins, leukotrienes, and other products from arachidonic acid. The introductory chapters describe the chemistry of the eicosanoids; the structures of prostaglandin and leukotriene compounds; the role of lipid hydroperoxides in controlling prostaglandin biosynthesis; and the oxidation of xenobiotics during prostaglandin H biosynthesis. The discussion then shifts to the effects of the so-called fatty acid paradoxes on cell proliferation, tumorigenesis, and metastasis, followed by chapters on arachidonic acid cascade process; the causes of lung injury conditions, such as hyperoxia; and the origin of low-level chemiluminescence in cells. This volume further deals with the oxy-radical involvement in parasitic diseases and the mechanisms for activation of aromatic amine carcinogens. The concluding chapters examine the controversial one- and two-electron mechanisms for activation of polynuclear hydrocarbon carcinogens and a hypothesis to rationalize the effects of radicals on the life span of mammals. These chapters propose that aging results from toxic by-products of metabolism, and longevity is determined by the ability of an organism to deal with these products. This book will be of great benefit to biochemists, biologists, and physicists.
| Author | : Karl Kadish |
| Publisher | : Academic Press |
| Total Pages | : 456 |
| Release | : 1999-10-15 |
| Genre | : Science |
| ISBN | : 9780123932020 |
Scientists in such fields as mathematics, physics, chemistry, biochemistry, biology, and medicine are currently involved in investigations of porphyrins and their numerous analogues and derivatives. Porphyrins are being used as platforms for the study of theoretical principles, as catalysts, as drugs, as electronic devices, and as spectroscopic probes in biology and medicine. The need for an up-to-date and authoritative treatise on the porphyrin system has met with universal acclaim amongst scientists and investigators.
| Author | : David Dolphin |
| Publisher | : |
| Total Pages | : 664 |
| Release | : 1978 |
| Genre | : Science |
| ISBN | : 9780122201035 |
| Author | : American Chemical Society |
| Publisher | : |
| Total Pages | : 1042 |
| Release | : 2004 |
| Genre | : Chemistry |
| ISBN | : |
| Author | : Morris Rockstein |
| Publisher | : Elsevier |
| Total Pages | : 569 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 032316157X |
The Physiology of Insecta, Second Edition, Volume VI, is part of a multivolume treatise that brings together the known facts, the controversial material, as well as the many unresolved and unsettled problems of insect physiology. It features chapters written by the outstanding workers in each of a wide range of insect function areas. It is designed to meet a manifest need, which has arisen from the phenomenal increase in research activity on insects, for an authoritative, comprehensive reference work in insect physiology. The book begins with a discussion of the physiology of insect resistance to insecticides. This is followed by separate chapters on the structure and formation of the integument in insects; the physical properties and chemical components of the insect cuticle; and permeability of the insect cuticle. Subsequent chapters cover the organization and evolution of the insect tracheal system; aquatic respiration in insects; and factors affecting insect respiratory rates.
| Author | : Arthur K. Balin |
| Publisher | : CRC Press |
| Total Pages | : 554 |
| Release | : 1994-05-19 |
| Genre | : Medical |
| ISBN | : |
This landmark book focuses on the methodology used to measure human biological age. Although functional decline appears to be an inevitable and inescapable consequence of aging, there are often considerable differences between individuals with respect to the rate and extent of this decline. Individuals may be young or old in relation to their number of years. As a result, age-related disease or age-related death may occur at different chronological ages. It follows that the true or practically relevant age of an individual is not adequately defined by the time that has elapsed since birth; rather, it is expressed as "biological age"-a figure reflecting the individual's progressive inability to respond adaptively to an environmental stress that leads to a decreased viability and increased vulnerability to death. This book features contributions from leading investigators in the field and represents a comprehensive worldwide collection of the most recent research on estimating human biological age. Tests described in the book can be used to monitor the effects of any interventional therapy, including drug treatment, behavioral therapy, and lifestyle modification.
