PPT-Chapter 2. Radiation

Radioactivity 2Radiation interaction with Matter 3Radiation Doses and hazard Assessment   Overview Types of Radioactive Decay Energetics of Radioactive Decay Characteristics of Radioactive Decay. Most of them have the potential for both beneficial and harmful effects Even sunlight the most essential radiation of all can be harmful in excessive amounts Most public attention is given to the category of radiation known as ionizing radiation Thi The US Environmental Protection Agency EPA is responsible for advising the government on radiation hazards and regulating certain sources of radioactivity in the environment This booklet provides basic facts about radiation science as well as inform in vitro. CLS 212. Microbicidal. . Microbicidal is the process or an agent that . kills. the microorganism. . The suffix . -. cidal. or . –. cide. means . ??( . See chapter 8 page 131. ). . H. Section 7.3.1 Safety for Common Lab Operations. Incident 7.3.1.1 Explosion of a Non-Explosion-Proof Refrigerator. Learning Lab Operations and Safety Precautions from Others. Advanced and Research labs require learning new techniques. How is sunlight measured?. What types of radiation are more energetic than others?. What is the link between sun exposure and skin cancer?. How does Earth’s atmosphere naturally protect us from the Sun?. D. Sutton, L.T. Collins and J. Le Heron. of the IAEA publication (ISBN 978-92-0-131010-1):. Diagnostic Radiology Physics: . A Handbook for Teachers and Students. . . Objective:. . To familiarize students with the systems of radiation protection. Radiation Biology. Branch of biology concerned with the effects of ionizing radiation on living systems. Includes. Sequence of events occurring after the absorption of energy from ionizing radiation. Radiation effects:. Deterministic effects. Stochastic effects. Deterministic effects. A deterministic effects has a threshold in dose.. The severity of the effect is dose related.. Radiation induced cataracts are an example of a deterministic effects.. J. WONDERGEM. of the IAEA publication (ISBN 978-92-0-131010-1):. Diagnostic Radiology Physics: . A Handbook for Teachers and Students. . Objective:. . To familiarize students with . the action of ionizing radiation. E.B. Podgorsak . of the IAEA publication (ISBN 92-0-107304-6):. Radiation Oncology Physics: . A Handbook for Teachers and Students. . Objective:. . To familiarize the student with the basic principles of equipment used for external beam radiotherapy.. C. . Hindorf. of the IAEA publication (ISBN 92-0-107304-6):. Nuclear Medicine Physics:. A Handbook for Teachers and Students. . Objective: . To summarize the formalism of internal dosimetry and present its application in clinical practice. . J. C. Hourdakis and . R. . Nowotny. of the IAEA publication (ISBN 978-92-0-131010-1):. Diagnostic Radiology Physics: . A Handbook for Teachers and Students. . . Objective:. . To familiarize students with the instrumentation used for . Describe electromagnetic radiation.. Perform . calculations demonstrating the relationship among the speed of light, frequency, and wavelength.. Use . the inverse-square law to calculate radiation intensity at different distances.. P. Andreo, J.P. Seuntjens, and E.B. Podgorsak. of the IAEA publication (ISBN 92-0-107304-6):. Radiation Oncology Physics: . A Handbook for Teachers and Students. . Objective:. . To familiarize the student with the basic principles of radiation dosimetry..