The Role of Cyclotron in Medical Research PDF Download
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Author: Joseph Gilbert Hamilton
Publisher:
ISBN:
Category : Cyclotrons
Languages : en
Pages : 16
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Book Description
Author: Joseph Gilbert Hamilton
Publisher:
ISBN:
Category : Cyclotrons
Languages : en
Pages : 16
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The uses of radioactive isotopes in medical research can be conveniently divided into three principal categories; namely, the applications as tracers for the study of metabolic phenomena, as diagnostic aids in clinical medicine, and finally their role in therapy. Frequently radioisotopes available from the chain-reacting pile do not have a sufficient degree of specific activity for satisfactory use. A number of radioisotopes which can be produced with high specific activity in the pile possess half-lives too short to be of any practical value. Then, there are a few cases in which the desired radioisotope may be made in the pile with high specific activity, but concomitantly there is formed another radioisotope of the same element whose half-life is of such duration as to render its use hazardous in man. Finally, there are several elements of biological and medical interest whose radioactive isotopes can be produced only by the cyclotron.
Author: Alexander Gangl
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Die Bedeutung von Teilchenbeschleunigern, sowie das Zyklotron haben auf Grund ihrer Vielseitigkeit immer mehr an Bedeutung gewonnen. Die medizinischen Einsatzbereiche des Zyklotrons liegen in der Herstellung von Radioisotopen sowie auch in der Bereitstellung von hochenergetischen Teilchenstrahlen (Protonen, Kohlenstoff Ionen) für deren therapeutische Anwendung in der Strahlentherapie. Dieses breite Anwendungsspektrum wurde erst durch die kontinuierliche Weiterentwicklung im Bereich der Energieausbeute sowie durch die Gestaltung kompakter Systeme möglich.In Meilenstein in der Entwicklung des modernen Zyklotrons ist sicher die Entdeckung des stark-fokussierenden Prinzips, welches höhere Teilchenenergien und höhere Teilchenmassen erst zuließ.Diese Master Thesis beschäftigt sich mit den physikalischen Prinzipien des Zyklotrons. Des Weiteren wird die Dynamic der beschleunigten Teilchen auf mathematischem Weg beschrieben.WinAGILE ist eine Software, die es ermöglicht, die auf Magnetfeldern beruhende Strahlführung zu simulieren. In dieser Master Thesis wurde WinAGILE verwendet, um mittels Simulation, die Prinzipien der schwachen und starken Strahlenfokussierung zu demonstrieren.Da Zyklotrone in der modernen Medizin immer mehr Anwendung finden, wurden einzelne Designs näher beschrieben und neue, potentiell realisierbare Anwendungsbereiche behandelt. *****Particle accelerators, such as cyclotrons have been achieved growing importance in medical science because of an enlarged area of application concerning the production of short-lived radioisotopes as well as the application for hadron-therapy.This huge spectrum of applications would never have been available without constantly improving the performance of these machines.A big step up the ladder was development of the strong focusing principle allowing much higher beam energies of particles with higher mass. This master thesis contains a description of the physical principles of a cyclotron as well as the mathematical description of the particle dynamics.The WinAGILE beam transport code was used, to demonstrate the theory of weak and strong focusing on the basis of some simulations of beam dynamics.Different types of cyclotrons and their application in medical science were treated. Finally the latest trends and designs of cyclotrons and their application are showing a possible vision of the future.
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Category :
Languages : en
Pages :
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The purpose of this commentary is to present some background material on cyclotrons and other particle accelerators particularly with a view toward the considerations behind acquiring and installing such a machine for purely clinical and/or biomedical research use.
Author: Gerd Wolber
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Category :
Languages : de
Pages : 40
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Author: Kevin Zihlmann
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ISBN:
Category :
Languages : en
Pages : 67
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Author:
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Category :
Languages : en
Pages :
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Author: Australia. National Health Technology Advisory Panel
Publisher:
ISBN: 9780642098719
Category : Cyclotrons
Languages : en
Pages : 68
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Author: R. E. Boyd
Publisher:
ISBN: 9780642598806
Category : Cyclotrons
Languages : en
Pages : 43
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Author:
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Category :
Languages : en
Pages :
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A two year design study has been completed for medical ion accelerators with beams of sufficient range and intensity for therapy. The particles of main interest were ions between carbon and neon, but the generation of proton and neutron beams was studied also. Cyclotrons appear to be good injectors for a heavy ion medical synchrotron, particularly if neutron and/or isotope production is desired as well. They also offer a competitive solution for proton beams of 250 MeV. A superconducting cyclotron design for 380 MeV/u carbon was worked out, but a synchrotron for heavy ion beams of 400 to 600 MeV/u and 5 x 109 particles/sec was found to be more economical and flexible.
