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Recent Techniques And Applications In Ionizing Radiation Research
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Book Synopsis Recent Techniques and Applications in Ionizing Radiation Research by : Ahmed M. Maghraby
Download or read book Recent Techniques and Applications in Ionizing Radiation Research written by Ahmed M. Maghraby and published by BoD – Books on Demand. This book was released on 2020-12-23 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ionizing radiation can be found everywhere; in the Earth, inside buildings, in space, in the food we eat, and even inside our bodies. It is of much importance to know more about radiation and how it can improve human life, including how to make use of it and how to avoid its harm. This book covers several topics on ionizing radiation to enrich our knowledge about its applications and effects.
Download or read book Ionizing Radiation written by Tamar Reeve and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this compilation, the authors examine the importance of ionizing radiations for thermoluminescence dosimetry that is the current area of research for medical and industrial purposes. Ionizing radiations are harmful to the human body, so, there is a need to measure small doses in the environment as well as very high doses at the time of accident like radiation leakage and for the treatment of cancer. Next, recent advances regarding effects on exposure of some foods to ionizing radiations are presented. The dosage required for complete sterilization may, at times, lead to undesirable changes in food flavours or may exceed the permitted levels. Combining irradiation with other treatments yields satisfactory results in these cases. Combined applications of ionizing radiation with heat, low temperature, high hydrostatic pressure, and modified atmospheres are also discussed. Later, new results concerning cell survival and genetic instability of wild-type and radiosensitive yeast cells of Saccharomyces cerevisiae surviving after irradiation with 60Co γ-rays, 239Pu α-particles and 254 nm UV light are presented. Survival was determined by cell ability to produce macrocolonies on a solid nutrient medium. The authors also review data on the radiation resistance of AlGaN/GaN and InAlN/GaN High Electron Mobility Transistors (HEMTs) as well as emerging Ga2O3 photodetectors and rectifiers to different types of ionizing radiation. Both of these wide bandgap semiconductor (nitride-based and gallium oxide-based) materials are much more radiation-hard than GaAs or Si and this is largely a result of their high bond strengths. By using the test system of blood lymphocytes of healthy individuals, the following paper presents the co-mutagenic (potentiating) effect of the drugs a calcium channel blocker verapamil and an antioxidant ascorbic acid-on the radiosensitivity of cells. It was found that when the lymphocytes are irradiated in a small dose (0.3 Gy), ascorbic acid (80.0 μg / blood) and verapamil (4.0 μg / ml blood) increase the frequency of chromosomal aberrations in comparison with the radiation effect by 75 and 62, 5% respectively. Afterwards, the experimental data of the effects of temperature, light intensity, background ionizing and non-ionizing radiation on physicochemical properties of water, water solution and cell function are presented. Considering the fact that the cell membrane permeability for water is more than 10 times higher than for inorganic ions, it is hypothesized that, upon the effect of chemical and physical factors, the changes of net water efflux through the membrane precede the activation of ionic fluxes in the membrane. Also in this compilation, a study is included which investigated the modifying effect of astaxanthin on radiation induced genome damages in cultivating human peripheral blood lymphocytes (PBL). The study indicated that astaxanthin in concentration of 20.0 �g/ml demonstrated evident radioprotective properties by reduction of the ChA level, decreasing of DNA damages and increasing of the apoptotic rate. In the last chapter, the authors present some works that study the causes of the high resistance of IRRB to ionizing radiation. Then we focus on presenting in silico approaches that use protein sequences of bacteria in order to predict if an unknown bacterium belongs to IRRB or ionizing-radiationsensitive bacteria (IRSB).
Book Synopsis Radiation in Medicine by : Institute of Medicine
Download or read book Radiation in Medicine written by Institute of Medicine and published by National Academies Press. This book was released on 1996-03-25 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Does radiation medicine need more regulation or simply better-coordinated regulation? This book addresses this and other questions of critical importance to public health and safety. The issues involved are high on the nation's agenda: the impact of radiation on public safety, the balance between federal and state authority, and the cost-benefit ratio of regulation. Although incidents of misadministration are rare, a case in Pennsylvania resulting in the death of a patient and the inadvertent exposure of others to a high dose of radiation drew attention to issues concerning the regulation of ionizing radiation in medicine and the need to examine current regulatory practices. Written at the request from the Nuclear Regulatory Commission (NRC), Radiation in Medicine reviews the regulation of ionizing radiation in medicine, focusing on the NRC's Medical Use Program, which governs the use of reactor-generated byproduct materials. The committee recommends immediate action on enforcement and provides longer term proposals for reform of the regulatory system. The volume covers: Sources of radiation and their use in medicine. Levels of risk to patients, workers, and the public. Current roles of the Nuclear Regulatory Commission, other federal agencies, and states. Criticisms from the regulated community. The committee explores alternative regulatory structures for radiation medicine and explains the rationale for the option it recommends in this volume. Based on extensive research, input from the regulated community, and the collaborative efforts of experts from a range of disciplines, Radiation in Medicine will be an important resource for federal and state policymakers and regulators, health professionals involved in radiation treatment, developers and producers of radiation equipment, insurance providers, and concerned laypersons.
Book Synopsis Adverse Reproductive Outcomes in Families of Atomic Veterans by : Institute of Medicine
Download or read book Adverse Reproductive Outcomes in Families of Atomic Veterans written by Institute of Medicine and published by National Academies Press. This book was released on 1995-07-17 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past several decades, public concern over exposure to ionizing radiation has increased. This concern has manifested itself in different ways depending on the perception of risk to different individuals and different groups and the circumstances of their exposure. One such group are those U.S. servicemen (the "Atomic Veterans" who participated in the atmospheric testing of nuclear weapons at the Nevada Test Site or in the Pacific Proving Grounds, who served with occupation forces in or near Hiroshima and Nagasaki, or who were prisoners of war in or near those cities at the time of, or shortly after, the atomic bombings. This book addresses the feasibility of conducting an epidemiologic study to determine if there is an increased risk of adverse reproductive outcomes in the spouses, children, and grandchildren of the Atomic Veterans.
Book Synopsis Ionizing Radiation Effects and Applications by : Boualem Djezzar
Download or read book Ionizing Radiation Effects and Applications written by Boualem Djezzar and published by BoD – Books on Demand. This book was released on 2018-03-28 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The benefits of ionizing radiations have been largely demonstrated through many achievements of human life. Understanding the fundamental elementary interactions of ionizing radiations with material has allowed the development of various applications needed by different industries. This book draws some facets of their applications, such as hardening process for semiconductor devices, biomedical imaging by radiation luminescent quantum dots, hydrogen gas detection by Raman lidar sensor for explosion risk assessment, water and wastewater purification by radiation treatment for environment, doping by the neutron transmutation doping for the semiconductor industry, and polymerization by irradiation, which is useful for industries requiring resistant and protective coating. I wish the chapters of this book can provide some helpful information on ionizing radiation applications.
Book Synopsis New Insights on Gamma Rays by : Ahmed M. Maghraby
Download or read book New Insights on Gamma Rays written by Ahmed M. Maghraby and published by BoD – Books on Demand. This book was released on 2017-05-24 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma radiation has been discovered since more than a century and contributed in many achievements in human life. Continuous developments make it necessary to have more understandings and more discussions about well-established concepts as well as newly implemented hypothesis and applications of gamma rays. This book presents new visions of gamma ray spectrometry and applications. I hope this book can present part of the useful applications of gamma rays.
Book Synopsis Biological Dosimetry by : W. G. Eisert
Download or read book Biological Dosimetry written by W. G. Eisert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: In October 1982, a small international symposium was held at the Gesellschaft fUr Strahlen- und Umweltforschung mbH (GSF) in Munich as a satellite meeting of the IX International Conference on Analytical Cytology. The symposium focussed on cytometric approaches to biological dosimetry, and was, to the best of our knowledge, the first meeting on this subject ever held. There was strong encouragement from the 75 attendees and from others to publish a proceedings of the symposium. Hence this book, containing 30 of the 36 presentations, has been assembled. Dosimetry, the accurate and systematic determination of doses, usually refers to grams of substance administered or rads of ionization or some such measure of exposure of a patient, a victim or an experimental system. The term also can be used to describe the quantity of an ultimate, active agent as delivered to the appropriate target material within a biological system. Thus, for mutagens, one can speak of DNA dosimetry, meaning the number of adducts produced in the DNA of target cells such as bone-mar row stem cells or spermatogonia.
Book Synopsis Health Effects of Exposure to Low Levels of Ionizing Radiation by : National Research Council
Download or read book Health Effects of Exposure to Low Levels of Ionizing Radiation written by National Research Council and published by National Academies. This book was released on 1990-02-01 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
Book Synopsis Practical Radiation Protection in Healthcare by : Colin J. Martin
Download or read book Practical Radiation Protection in Healthcare written by Colin J. Martin and published by Oxford University Press, USA. This book was released on 2015 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by practitioners experienced in the field, 'Practical Radiation Protection in Healthcare' provides a practical guide for medical physicists and others involved with radiation protection in the healthcare environment.
Book Synopsis Ion Beam Applications by : Ishaq Ahmad
Download or read book Ion Beam Applications written by Ishaq Ahmad and published by BoD – Books on Demand. This book was released on 2018-07-18 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ion beam of various energies is a standard research tool in many areas of science, from basic physics to diverse areas in space science and technology, device fabrications, materials science, environment science, and medical sciences. It is an advance and versatile tool to frequently discover applications across a broad range of disciplines and fields. Moreover, scientists are continuously improving the ion beam sources and accelerators to explore ion beam at the forefront of scientific endeavours. This book provides a glance view on MeV ion beam applications, focused ion beam generation and its applications as well as practical applications of ion implantation.
Book Synopsis Evolution of Ionizing Radiation Research by : Mitsuru Nenoi
Download or read book Evolution of Ionizing Radiation Research written by Mitsuru Nenoi and published by BoD – Books on Demand. This book was released on 2015-09-17 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The industrial and medical applications of radiation have been augmented and scientific insight into mechanisms for radiation action notably progressed. In addition, the public concern about radiation risk has also grown extensively. Today the importance of risk communication among stakeholders involved in radiation-related issues is emphasized much more than any time in the past. Thus, the circumstances of radiation research have drastically changed, and the demand for a novel approach to radiation-related issues is increasing. It is thought that the publication of the book Evolution of Ionizing Radiation Research at this time would have enormous impacts on the society. The editor believes that technical experts would find a variety of new ideas and hints in this book that would be helpful to them to tackle ionizing radiation.
Author :Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation Publisher :National Academies Press ISBN 13 :0309133343 Total Pages :422 pages Book Rating :4.3/5 (91 download)
Book Synopsis Health Risks from Exposure to Low Levels of Ionizing Radiation by : Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation
Download or read book Health Risks from Exposure to Low Levels of Ionizing Radiation written by Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation and published by National Academies Press. This book was released on 2006-03-23 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the seventh in a series of titles from the National Research Council that addresses the effects of exposure to low dose LET (Linear Energy Transfer) ionizing radiation and human health. Updating information previously presented in the 1990 publication, Health Effects of Exposure to Low Levels of Ionizing Radiation: BEIR V, this book draws upon new data in both epidemiologic and experimental research. Ionizing radiation arises from both natural and man-made sources and at very high doses can produce damaging effects in human tissue that can be evident within days after exposure. However, it is the low-dose exposures that are the focus of this book. So-called “late” effects, such as cancer, are produced many years after the initial exposure. This book is among the first of its kind to include detailed risk estimates for cancer incidence in addition to cancer mortality. BEIR VII offers a full review of the available biological, biophysical, and epidemiological literature since the last BEIR report on the subject and develops the most up-to-date and comprehensive risk estimates for cancer and other health effects from exposure to low-level ionizing radiation.
Book Synopsis Uses of Ionizing Radiation for Tangible Cultural Heritage Conservation by : International Atomic Energy Agency
Download or read book Uses of Ionizing Radiation for Tangible Cultural Heritage Conservation written by International Atomic Energy Agency and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The preservation of world cultural heritage is a key issue for maintaining national identity and understanding the influences or exchanges among civilizations throughout history. Development of appropriate preservation techniques that do not compromise longevity or authenticity are therefore of utmost importance. Radiation techniques have demonstrated significant success in the disinfestation and preservation of cultural heritage artefacts, and national and international research programmes have developed harmonized methodologies for such radiation treatment. This publication provides state of the art knowledge on radiation technology applied to the conservation and consolidation of items of cultural heritage and will be of use to collection curators, conservators, restorers, registrars, art historians, archaeologists and conservation scientists active in the various fields of cultural heritage in museums, libraries, archives, archaeological institutions, historical buildings and conservation workshops.
Book Synopsis Biomolecular Action of Ionizing Radiation by : Shirley Lehnert
Download or read book Biomolecular Action of Ionizing Radiation written by Shirley Lehnert and published by CRC Press. This book was released on 2007-10-24 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Embracing the transformation of radiation sciences by the recent surge of developments in molecular biology, this progressive text offers an up-to-date analysis of in vitro and in vivo molecular responses in the body induced by ionizing radiation. With a unique emphasis on medical physics applications, Biomolecular Action of Ionizi
Book Synopsis Radiobiology for the Radiologist by : Eric J. Hall
Download or read book Radiobiology for the Radiologist written by Eric J. Hall and published by Lippincott Williams & Wilkins. This book was released on 2012-03-28 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt: In print since 1972, this seventh edition of Radiobiology for the Radiologist is the most extensively revised to date. It consists of two sections, one for those studying or practicing diagnostic radiolo, nuclear medicine and radiation oncology; the other for those engaged in the study or clinical practice of radiation oncology--a new chapter, on radiologic terrorism, is specifically for those in the radiation sciences who would manage exposed individuals in the event of a terrorist event. The 17 chapters in Section I represent a general introduction to radiation biology and a complete, self-contained course especially for residents in diagnostic radiology and nuclear medicine that follows the Syllabus in Radiation Biology of the RSNA. The 11 chapters in Section II address more in-depth topics in radiation oncology, such as cancer biology, retreatment after radiotherapy, chemotherapeutic agents and hyperthermia. Now in full color, this lavishly illustrated new edition is replete with tables and figures that underscore essential concepts. Each chapter concludes with a "summary of pertinent conclusions" to facilitate quick review and help readers retain important information.
Book Synopsis Ionizing Radiation Technologies by : Shima Shayanfar
Download or read book Ionizing Radiation Technologies written by Shima Shayanfar and published by John Wiley & Sons. This book was released on 2022-08-02 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ionizing Radiation Technologies An authoritative overview of major advances in the application of ionizing radiation technologies to industrial, agricultural, and municipal waste products In Ionizing Radiation Technologies: Managing and Extracting Value from Wastes, a team of expert researchers delivers a broad overview of the value trapped in waste streams and how a strategic application of ionizing radiation technologies can be valuable from both an environmental and an economic perspective. A valuable addition to the discussions around sustainability and green technologies, the book introduces ionizing radiation technologies, including gamma (cobalt-60) irradiation and high and low energy electron beam technologies. The contributions included explore the major advances taking place in the application of ionizing radiation technologies to derive high value end-products from agricultural, municipal, and industrial wastes. Each chapter reviews original research and data and considers likely future directions in research and development. The book also includes: A thorough introduction to the application of ionizing radiation technologies to agricultural waste, including the production of activated carbon Comprehensive explorations of the application of ionizing radiation technologies to municipal waste, including municipal solid wastes and recycling wastewater Practical discussions of the application of ionizing radiation technologies to industrial waste, including textile wastewater management and polymer recycling In-depth examinations of the economics of waste valorization, including several case studies of businesses involved in waste valorization Perfect for consulting engineers and industry professionals involved in waste management and mitigation, Ionizing Radiation Technologies will also earn a place in the libraries of professionals at government agencies, international food organizations, and NGOs focused on waste management, environment sustainability, and urban planning.
Author :Gustavo García Gómez-Tejedor Publisher :Springer Science & Business Media ISBN 13 :9400725639 Total Pages :508 pages Book Rating :4.4/5 (7 download)
Book Synopsis Radiation Damage in Biomolecular Systems by : Gustavo García Gómez-Tejedor
Download or read book Radiation Damage in Biomolecular Systems written by Gustavo García Gómez-Tejedor and published by Springer Science & Business Media. This book was released on 2012-01-05 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of X-rays and radioactivity, ionizing radiations have been widely applied in medicine both for diagnostic and therapeutic purposes. The risks associated with radiation exposure and handling led to the parallel development of the field of radiation protection. Pioneering experiments done by Sanche and co-workers in 2000 showed that low-energy secondary electrons, which are abundantly generated along radiation tracks, are primarily responsible for radiation damage through successive interactions with the molecular constituents of the medium. Apart from ionizing processes, which are usually related to radiation damage, below the ionization level low-energy electrons can induce molecular fragmentation via dissociative processes such as internal excitation and electron attachment. This prompted collaborative projects between different research groups from European countries together with other specialists from Canada, the USA and Australia. This book summarizes the advances achieved by these research groups after more than ten years of studies on radiation damage in biomolecular systems. An extensive Part I deals with recent experimental and theoretical findings on radiation induced damage at the molecular level. It includes many contributions on electron and positron collisions with biologically relevant molecules. X-ray and ion interactions are also covered. Part II addresses different approaches to radiation damage modelling. In Part III biomedical aspects of radiation effects are treated on different scales. After the physics-oriented focus of the previous parts, there is a gradual transition to biology and medicine with the increasing size of the object studied. Finally, Part IV is dedicated to current trends and novel techniques in radiation reserach and the applications hence arising. It includes new developments in radiotherapy and related cancer therapies, as well as technical optimizations of accelerators and totally new equipment designs, giving a glimpse of the near future of radiation-based medical treatments.
