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5 produkter
5 produkter
Hadrons and Heavy Ions
Proceedings of the Summer School held at the University of Cape Town, January 16 – 27, 1984
Häftad, Engelska, 1985
536 kr
Skickas inom 10-15 vardagar
536 kr
Skickas inom 10-15 vardagar
Quantum dots, often denoted artificial atoms, are the exquisite tools by which quantum behavior can be probed on a scale appreciably larger than the atomic scale, that is on the nanometer scale. In this way, the physics of the devices is closer to classical physics than that of atomic physics but they are still sufficiently small to clearly exhibit quantum phenomena. The present volume is devoted to an introduction to some of these fascinating aspects, addressing in particular graduate students and young researchers in the field. In the first lecture by R. Shankar, the general theoretical aspects of Fermi liquids are addressed, in particular the renormalization group approach. This is then aptly applied to large quantum dots. A completely different approach is encountered in the second contribution by J.M. Elzerman et al., in that it is a thorough experimental expose of what can be done or expected in the study of small quantum dots. Here the emphasis lies on the electron spin to be used as a qubit. In the third lecture series by M. Pustilnik and Leonid I.Glazman, mechanisms of low-temperature electronic transport through a quantum dot - weakly coupled to two conducting leads - are reviewed. The fourth series of lectures, by C.W.J. Beenakker, deals with a very interesting aspect of nanophysics: a peculiar property of superconducting mirrors discovered by Andreev about forty years ago and still a challenge to experimental physicists.
536 kr
Skickas inom 10-15 vardagar
Quantum dots, often denoted artificial atoms, are the exquisite tools by which quantum behavior can be probed on a scale appreciably larger than the atomic scale, that is on the nanometer scale. In this way, the physics of the devices is closer to classical physics than that of atomic physics but they are still sufficiently small to clearly exhibit quantum phenomena. The present volume is devoted to an introduction to some of these fascinating aspects, addressing in particular graduate students and young researchers in the field. In the first lecture by R. Shankar, the general theoretical aspects of Fermi liquids are addressed, in particular the renormalization group approach. This is then aptly applied to large quantum dots. A completely different approach is encountered in the second contribution by J.M. Elzerman et al., in that it is a thorough experimental expose of what can be done or expected in the study of small quantum dots. Here the emphasis lies on the electron spin to be used as a qubit. In the third lecture series by M. Pustilnik and Leonid I. Glazman, mechanisms of low-temperature electronic transport through a quantum dot – weakly coupled to two conducting leads – are reviewed. The fourth series of lectures, by C.W.J. Beenakker, deals with a very interesting aspect of nanophysics: a peculiar property of superconducting mirrors discovered by Andreev about forty years ago and still a challenge to experimental physicists.
PET Studies on Amino Acid Metabolism and Protein Synthesis
Proceedings of a Workshop held in Lyon, France within the framework of the European Community Medical and Public Health Research
Häftad, Engelska, 2012
1 098 kr
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Parameters such as membrane transport, metabolism and protein incorporation govern the fate of amino acids in living tissue. Is it possible to use positron tomography to measure some of them, and what is their meaning in normal and pathological situations? These questions have been addressed for a long time and no satisfactory answer has yet been given.This book, which derives from an EEC workshop organized in the frame of the Concerted Action on `PET Investigation of Cellular Regeneration and Degeneration', held in Lyon in February 1992, gives the present state of knowledge in this field based on the most recent studies. Contributions from 24 leading European and American scientists are presented and discussed in the following four parts:biochemistry and animal studies; amino acids labelling with positron emittors, quality control and metabolites measurement; kinetic modelling of amino acids transport, metabolism, and protein incorporation; clinical use of amino acids. This book will aid and interest biochemists, radiochemists, pharmacologists, neurologists, oncologists and medical imaging scientists.
552 kr
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The series of workshops sponsored by the European Communities started with "Methodology of PET" at Hammersmith Hospital, London, in March 1984. This was followed by "Radiochemistry, Methodology and Standardization in PET" at the Service Hospitalier Frederic Joliot in Orsay, France, in March 1985. Both these meetings were, in the opinion of all participants, great successes, and it was agreed that such work shops should continue and be organized on the same basis. After these two workshops on the fundamentals of PET, time now is ripe to evaluate the clinical efficacy of PET investigations, and to discuss to what extend the information provided by this high technology and theoretical area has contributed to the understanding of disease mechanisms, leading to immediate clinical applications. As pointed out in the previous meetings, PET using short-lived radioisotopes produced in an on-line cyclotron is restricted to a few centers. Therefore, the topics studied so far were mainly of scientific interest and clinical problems were dealt with only marginally. Before this costly technique can be spread and new information made accessible to a broader clinical clientele, its clinical value must be demonstrat ed. So far, in the majority of studies, the central nervous system was the primary target organ, and PET has contributed a great deal to our understanding of brain physiology and pathology. Also on the heart, a substantial number of studies have been performed in various centers, but the application of PET to this organ is still somewhat limited.