This volume is a description of the current knowledge on the different metal-oxo and metal-peroxo species involved in catalytic oxidations. The series contains critical reviews of the present position and future trends, and short and concise reports written by the world s renowned experts."

Some of the more interesting elements in the chemistry of life are less commonly occuring ones such as nickel and molybdenum. This volume elucidates the chemistry of these elements in important enzymes and also explores the chemistry of elements that do not normally occur in biological molecules, but are useful in probing their structure and function. Topics include: Acquisition and transport of Ni. Mechanistic action of Ni in a wide variety of enzymes. Multielectron redox systems involving pterins in proteins. Chemistry of the pterin and flavin complexes of Mo, Fe, Cu and Ru ions. Replacement of iron in transferrin by a number of other metal ions. Use of polypyridyl complexes of ruthenium and other transition metals as probes of nucleic acid structure through photochemical reactions.

Bioinorganic Chemistry of Copper focuses on the vital role of copper ions in biology, especially as an essential metalloenzyme cofactor. The book is highly interdisciplinary in its approach--the outstanding list of contributors includes coordination chemists, biochemists, biophysicists, and molecular biologists. Chapters are grouped into major areas of research interest in inorganic copper chemistry, spectroscopy, oxygen chemistry, biochemistry, and molecular biology. The book also discusses basic research of great potential importance to pharmaceutical scientists. This book is based on the first Johns Hopkins University Copper Symposium, held in August 1992. Researchers in chemistry, biochemistry, molecular biology, and medicinal chemistry will find it to be an essential reference on its subject.

The fields of hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) continue to attract the attention of researchers in the various disciplines connected to these fascinating problems that represent two of the key outstanding chemical challenges for the petroleum refining industry in view of their very strong environmental and commercial implications. One area that has flourished impressively over the last 15 years is the organometallic chemistry of thiophenes and other related sulfur-containing molecules. This has become a powerful method for modeling numerous surface species and reactions implicated in HDS schemes, and nowadays it represents an attractive complement to the standard procedures of surface chemistry and heterogeneous catalysis, for understanding the complex reaction mechanisms involved in this process. Similar developments have begun to appear in connection with HDN mechanisms, although in a much more modest scale and depth. Some years ago when, encouraged by Prof. B. R. James, this book was planned, several excellent reviews and monographs treating different aspects of HDS were already available including some on the subject of organometallic models. However, it seemed appropriate to try to summarize the most striking features of this chemistry in an updated and systematic way, and inasmuch as possible in connection with the common knowledge and beliefs of the mechanisms of heterogeneous HDS catalysis. Hopefully, this attempt to build some conceptual bridges between these two traditionally separated areas of chemistry has met with some success.

The aesthetically pleasing molecular architectures of fullerenes and nanotubes are appealing not only because of their beauty but also because they are responsible for the many unprecedented chemical and physical properties of this compound class. Although succession of exciting new discoveries continues unabated fullerene research has become a mature science. It is now possible to predict fullerene chemistry, to design new structure variations like open fullerene clusters, heterofullerenes and endohedral fullerenes, and to develop fullerene materials and modified nanotubes with high potential for technological applications. This volume represents the state-of-the-art of fullerene research, focussing on areas showing high potential for future growth and practical applications. The authors are leading scientists whose groups are making major contributions in the field.

Drawing a picture of the current situation of this new field, this volume both summarizes the past achievements and analyzes the present unsolved problems.

This book contains the proceedings of the Symposium on FT-IR Characterization of Polymers, which was held under the auspices of the Division of Polymer Chemistry, American Chemical Society (ACS) during the annual ACS meeting in Philadelphia, August, 1984. The content of each paper has been substantially extended from the papers presented during the conference. Due to the accidental, irrecoverable loss of the entire contents of the book by the computer system used for editorial purposes, the publication of this book has been delayed more than one year over the initial scheduled date. It has been a continuous, frustrating experience for the editor as well as for the authors. An extended Murphy's law, -anything can go wrong goes multiply wrong- has been demonstrated in editor's office. It necessitated, otherwise unnecessary, repeated proof reading during which time the editor had valuable experience ~n familiarizing himself with each paper much more than usual. The papers in this book are state-of-the-art even after such a delay. It is the authors pride and integrity toward the quality of each paper that makes the value of this book long lasting, while responsibility of the loss of any timeliness rests at the editor's hand. For the purpose of official records, submission and acceptance dates must be stated. All papers had been submitted by September, 1984, and had been accepted for publication by November, 1984, after the critical review processes.

Molecular Beam Epitaxy describes a technique in wide-spread use for the production of high-quality semiconductor devices. It discusses the most important aspects of the MBE apparatus, the physics and chemistry of the crystallization of various materials and device structures, and the characterization methods that relate the structural parameters of the grown (or growing) film or structure to the technologically relevant procedure. In this second edition two new fields have been added: crystallization of as-grown low-dimensional heterostructures, mainly quantum wires and quantum dots, and in-growth control of the MBE crystallization process of strained-layer structures. Out-of-date material has been removed.

Self-assembly is undoubtedly a topic of special interest in current chemistry and is related to very wide scientific areas. Recent progress in this field seems to be featured by the construction of well-defined discrete systems exploiting complementary hydrogen bonding as well as coordination bonding. Seven leading international experts introduce the current topics in this very interesting field, focusing on two major subjects: organic assemblies and inorganic assemblies. All researchers who are interested in molecular recognition, material science, nanotechnology, and supramolecular chemistry will welcome this book as an inspiring source for creative research ideas.

R. Bruce King: Structure and Bonding in Zintl Ions and Related Main Group Element Clusters

Stefanie Gartner, Nikolaus Korber: Polyanions of Group 14 and Group 15 Elements in Alkali and Alkaline Earth Metal Solid State Compounds and Solvate Structures

Bryan Eichhorn, Sanem Kocak: Dynamic Properties of the Group 14 Zintl Ions and Their Derivatives

Thomas F. Fassler: Relationships between soluble Zintl anions, ligand-stabilized cage compounds, and intermetalloid clusters of tetrel (Si Pb) and pentel (P Bi) elements

Gerasimos S. Armatas, Mercouri Kanatzidis: Germanium-Based Porous Semiconductors from Molecular Zintl Anions