Download or read book Transition Metal Thiolate Complexes and Models for Metal Protein Interactions written by Douglas Thomas Corwin and published by . This book was released on 1990 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transition Metal Thiolate Complexes Containing Nitrogen donor Ligands as Models for Metalloproteins written by Eric Stephen Gruff and published by . This book was released on 1990 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lead Its Effects on Environment and Health written by Astrid Sigel and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-04-10 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 17, entitled Lead: Its Effects on Environment and Health of the series Metal Ions in Life Sciences centers on the interrelations between biosystems and lead. The book provides an up-to-date review of the bioinorganic chemistry of this metal and its ions; it covers the biogeochemistry of lead, its use (not only as gasoline additive) and anthropogenic release into the environment, its cycling and speciation in the atmosphere, in waters, soils, and sediments, and also in mammalian organs. The analytical tools to determine and to quantify this toxic element in blood, saliva, urine, hair, etc. are described. The properties of lead(II) complexes formed with amino acids, peptides, proteins (including metallothioneins), nucleobases, nucleotides, nucleic acids, and other ligands of biological relevance are summarized for the solid state and for aqueous solutions as well. All this is important for obtaining a coherent picture on the properties of lead, its effects on plants and toxic actions on mammalian organs. This and more is treated in an authoritative and timely manner in the 16 stimulating chapters of Volume 17, which are written by 36 internationally recognized experts from 13 nations. The impact of this recently again vibrant research area is manifested in nearly 2000 references, over 50 tables and more than 100 illustrations (half in color). Lead: Its Effects on Environment and Health is an essential resource for scientists working in the wide range from material sciences, inorganic biochemistry all the way through to medicine including the clinic ... not forgetting that it also provides excellent information for teaching.
Download or read book Transition Metal Phosphine thiolate Complexes as Models for Metalloproteins written by Susan Teresa Beatty and published by . This book was released on 1995 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transition Metals in Biochemistry written by A. S. Brill and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal ions in biological systems are of interest in biology, biochemistry, chemistry, medicine, and physics. Scien tists with rather different viewpoints, employing many methods, have contributed to this area. A concise review of the current state of the field will, to some extent, reflect the special knowledge of the person writing it - in this case application of physical methods to the investigation of metal coordination. x ray diffraction is one of the most important of these methods, but a useful treatment of X-ray structure analysis would be com parable in size with and beyond the scope of the monograph. Many results of X-ray diffraction studies are, of course, presented. Electron paramagnetic resonance spectroscopy has played a major part in the rapid advance in knowledge of the electronic struc tures of transition metal ions in biological systems. More gener ally, measurements involving light, microwaves, and magnetic fields are capable of producing much new information, and the required instrumentation is available at most research institu tions. Therefore light absorption and paramagnetic resonance are treated in depth. The principles described in the latter discus sions are broadly applicable, for example to the promising tech niques of X-ray spectroscopy (utilizing synchrotron radiation) and lanthanide-perturbed, very high-resolution nuclear magnetic resonance spectroscopy.
Download or read book Thiols and Tribulations written by Jade Pratt and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work we describe the synthesis and characterization of several first row transition metal(II) dithiolates M(SAr[superscript iPr4]2 (Ar[superscript iPr4] = C6H3-2,6-(C6H3-2,6-iPr2)2, M = Cr, Mn, Fe, Co, Ni and Zn and Cr(SAr[superscript Me6])2 (2) (Ar[superscript Me6] = C6H3-2,6-(C6H2-2,4,6-Me3)2) and the ligand transfer reagent (NaSAri[superscript Pr4])2. They are compared to their M(SAr[superscript iPr6])2 (M = Cr, Mn, Fe, Co, Ni, and Zn; Ar[superscript iPr6] = C6H3-2,6-(C6H2-2,4,6-iPr3)2) congeners, which differ by having para-iPr groups on the flanking aryl rings of the terphenyl substituents. These transition metal (II) dithiolates display highly bent coordination geometries with S-M-S angles ranging from 91.730(3)° to 120.2828(3)° as well as relatively close metal-[eta]6 interactions with metal-flanking aryl centroid distances ranging from 1.6206(9) Å to 2.1527(6) Å. However, the d5 (Mn) and d10 (Zn) complexes display linear coordination geometry at the metal atom with no close metal-flanking aryl ring distances. These complexes were generally synthesized by the reaction of a lithium thiolate salt with the metal dihalide, or in the case of Mn(SAr[superscript iPr4])2, by the reaction of the thiol with the amido complex Mn[N(SiMe3)2]2. All compounds were characterized by electronic spectroscopy, X-ray crystallography and magnetic measurements using the Evans’ method and SQUID magnetometry. It was concluded that the absence of para isopropyl groups on the flanking rings of the ligand permit close secondary metal-ring approaches which are favored by the electronic properties of the metal ions. The compounds are characterized by more intense colors and display magnetic moments that are generally lower than the spin only values in agreement with the covalent character of the close metal-aryl ring interactions. The synthesis and characterization of a series of homoleptic copper (I) thiolato complexes (CuSAr[superscript tBu2])4 (Ar[superscript tBu2] = -C6H3-2,6-(C6H4-4-tBu)2), (CuSAr[superscript Me6])4 (Ar[superscript Me6] = -C6H3-2,6-(C6H2-2,4,6-Me3)2) and heteroleptic thiolato copper halides Cu3(SAr[superscript iPr4])2I and Cu3(SAr[superscript iPr6])2Cl are described. The tetrameric species were synthesized by the reaction of one-fourth equivalent of [CuCH2SiMe3]4 to one equivalent of the bulky terphenyl thiol ligands. Cu3(SAr[superscript iPr4])2I was synthesized by the reaction of the copper iodide with the sodium thiolate dimer (NaSAr[superscript iPr4])2 and compound Cu3(SAr[superscript iPr6])2Cl was synthesized by the reaction of the lithium salt, LiSAr[superscript iPr6], with copper chloride. These compounds were characterized by X-ray crystallography and electronic spectroscopy. Additionally, we report a short series of homoleptic tetrametric metal thiolates which were synthesized for silver, (AgSAr[superscript tBu2])4 (Ar[superscript tBu2] = C6H3-2,6-(C6H3-4-tBu2)2), and (AgSAr[superscript Me6])4 (Ar[superscript iPr4] = C6H3-2,6-(C6H3-2,4,6-Me3)2). These compounds were obtained by the reaction of one equivalent of the terphenyl thiolate sodium salt dimer (NaSAr[superscript iPr4])2 with AgOTf and were characterized by X-ray crystallography, IR and NMR spectroscopy.
Download or read book Metal Transporters written by Jose M. Arguello and published by Academic Press. This book was released on 2012-10-25 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Current Topics in Membranes focuses on metal transmembrane transporters and pumps, a recently discovered family of membrane proteins with many important roles in the physiology of living organisms. The book summarizes the most recent advances in the field of metal ion transport and provides a broad overview of the major classes of transporters involved in homeostasis of heavy metals. Various families of the transporters and metal specificities are discussed with the focus on the structural and mechanistic aspects of their function and regulation. The reader will access information obtained through a variety of approaches ranging from X-ray crystallography to cell biology and bioinformatics, which have been applied to transporters identified in diverse biological systems, such as pathogenic bacteria, plants, humans and others. Field is cutting-edge and a lot of the information is new to research community Wide breadth of topic coverage Contributors of high renown and expertise
Download or read book Understanding the Redox Behavior of Transition Metal Complexes from Molecular Models to Proteins written by Ana Patricia L Gámiz-Hernández and published by . This book was released on 2010 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Principles of Bioinorganic Chemistry written by Stephen J. Lippard and published by University Science Books. This book was released on 1994 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of unnatural metals - which have been introduced into human biology as diagnostic probes and drugs - is another active area of tremendous medical significance.
Download or read book Transition Metals in Coordination Environments written by Ewa Broclawik and published by Springer. This book was released on 2019-03-16 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the electronic properties of transition metals in coordination environments. These properties are responsible for the unique and intricate activity of transition metal sites in bio- and inorganic catalysis, but also pose challenges for both theoretical and experimental studies. Written by an international group of recognized experts, the book reviews recent advances in computational modeling and discusses their interplay using experiments. It covers a broad range of topics, including advanced computational methods for transition metal systems; spectroscopic, electrochemical and catalytic properties of transition metals in coordination environments; metalloenzymes and biomimetic compounds; and spin-related phenomena. As such, the book offers an invaluable resource for all researchers and postgraduate students interested in both fundamental and application-oriented research in the field of transition metal systems.
Download or read book Spectroscopic and Computational Studies of Metal thiolate Interactions in Metalloenzymes and Related Model Complexes written by Adam T. Fiedler and published by . This book was released on 2006 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Understanding the Redox Behavior of Transition Metal Complexes from Molecular Models to Proteins written by Ana Patricia L Gámiz-Hernández and published by . This book was released on 2010 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Functional Nanometer Sized Clusters of Transition Metals written by Wei Chen and published by Royal Society of Chemistry. This book was released on 2014-08-20 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights recent progress and challenges in size-controlled synthesis, size-dependent properties, characterization and applications of metal nanoclusters.
Download or read book Inorganic Chemistry of the Transition Elements written by B F G Johnson and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.
Download or read book Transition Metal Thiolate Complexes written by Philip A. Stenson and published by . This book was released on 2005 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Amoebae as Host Models to Study the Interaction with Pathogens written by Sascha Thewes and published by Frontiers Media SA. This book was released on 2019-08-27 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human body is constantly faced with microorganisms. Most of these bacteria, fungi, and viruses are harmless, many of them are beneficial, and a small fraction is pathogenic. For humans, infection with pathogenic microorganisms can be very serious or even fatal, ranging from mild transient or chronic infections to death. The first line of defence against pathogens is our innate immune system. Beside chemical and physical defence mechanisms of the innate immune system, phagocytic cells such as macrophages play a crucial role in the fight against pathogenic microorganisms. However, phagocytic cells and pathogens are in a constant evolutionary arms race, inventing new strategies to successfully kill pathogens and learning how to resist phagocytosis and intracellular killing, respectively. If pathogens are not obligatory adapted to the human body or other animals, they also have to face environmental phagocytes in the form of amoebae. Many aspects of phagocytosis and intracellular killing are surprisingly well conserved between amoebae and macrophages. Therefore, pathogens that have evolved with environmental amoebae as their “training grounds” can also be successful during infection of macrophages and other animal phagocytic cells. In this Research Topic, we provide the latest knowledge about the potential of using amoebae as host models to study the interaction with pathogens. The Research Topic covers the interaction of amoebae with bacteria, fungi, and viruses and also illustrates the similarities and differences between amoebae and macrophages. Investigation of evolutionary conserved pathways of amoebae and macrophages furthers our understanding of the biology of host-pathogen interactions and helps to develop new anti-infection therapies.
Download or read book Extended Interactions Between Metal Ions in Transition Metal Complexes written by and published by . This book was released on 1974 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
