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Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Polyoxometalates (POMs) form a large, distinctive class of molecular inorganic compounds of unrivaled electronic versatility and structural variation, with impacts ranging from chemistry, catalysis, and materials science to biology, and medicine. This book covers the basic principles governing the structure, bonding and reactivity of these metal-oxygen cluster anions and the major developments in their molecular science. The book comprises three sections. The first covers areas ranging from topological principles via synthesis and stability to reactivity in solution. It also focuses on the physical methods currently used to extract information on the molecular and electronic structures as well as the physical properties of these clusters. The second part reviews different types of POMs, focusing on those systems that currently impact other areas of interest, such as supramolecular chemistry, nanochemistry and molecular magnetism. The third section is devoted to POM-based materials and their applications and prospects in catalysis and materials science.
Considerable interest has developed in recent years in crucifers and particularly in their wild relatives, as they contain genetic material that may be utilized for further evolution of superior crop varieties through introgression and distant hybridization. Until now, there has been no single volume that focuses exclusively on the biology and bree
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Plants possess a range of potential cellular mechanisms that may be involved in the detoxification of heavy metals and thus tolerance to metal stress. Metal toxicity causes multiple direct and indirect effects in plants that concern practically all physiological functions. The main purpose of this book is to present comprehensive and concise information on recent advances in the field of metal transport and how genetic diversity affects heavy metal transport in plants. Other key futures of the book are related to metal toxicity and detoxification mechanisms, biochemical tools for HM remediation processes, molecular mechanisms for HM detoxification, how metallomics and metalloproteomics are affected by heavy metal stress in plants, and the role of ROS metabolism in the alleviation of heavy metals. Some chapters also focus on recent developments in the field of phytoremediation. Overall the book presents in-depth information and the most essential advances in the field of heavy metal toxicity in plants in recent years.
Diversos especialistas internacionales exponen las aplicaciones de sensores de fibra óptica en campos tan diversos como la ingeniería civil, energía nuclear, medio ambiente...
"The collection of Italian medieval sculpture in The Metropolitan Museum of Art and The Cloisters began with the acquisition in 1908 of a Romanesque column statue; today the Museum's holdings comprise more than seventy works dating from the ninth to the late fifteenth century ... The birthplaces of these works range from Sicily to Venice; some typify local styles, others illustrate the intense artistic exchanges taking place within Italy and between Italy and the wider world ... Technological advances of the last decades have made it possible to determine more precisely the materials and techniques from which works of art are made, the history of their alteration, and the mechanisms of their...