Uses of Radiation in Medicine Nuclear Chemistry and the Field of Medicine: A Union Shan Gupta‚ Yahoo! Contributor Network Jul 2‚ 2009 "Contribute content like this. Start Here." Applications of Radiation in the Field of Medicine Overview: With the discovery of radiation in the late 1800’s by Antoine Henri Becquerel‚ Marie Curie‚ and Pierre Curie‚ the powers of the atom were seemingly multiplied greatly. With this new power of the atom also came new uses for it‚ especially in the
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have leaked significant amounts of radiation that have affected ecosystems in the region. On March 21‚ 2011‚ TEPCO (Tokyo Electric Power Company) investigated the seawater near the southern discharge port of the Fukushima Daiichi NPS‚ revealed that radioactive substances significantly exceeding safety standard values were detected. According to National Geographic‚ Joseph Rachlin‚ director of Lehman College’s Laboratory for Marine and Estuarine Research says “radiation can hurt ocean animals in several
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The History of the Discovery of Radiation and Radioactivity Introduction: Radiation can be defined as the propagation of energy through matter or space. It can be in the form of electromagnetic waves or energetic particles. Ionizing radiation has the ability to knock an electron from an atom‚ i.e. to ionize. Examples of ionizing radiation include: • alpha particles • beta particles • neutrons • gamma rays • x-rays Non-ionizing radiation does not have enough energy to ionize atoms in the material
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1. What concepts in the chapter are illustrated in this case? What ethical issues are raised by radiation technology? Basic concepts that are covered in this case are responsibility‚ accountability and liability. Ethical issues that are raised by radiation technology is when scientist is finding ways to use radiation therapy to destroy cancerous cells while making sure that healthy cells are not being harmed. An incident occurred where Mr. Jerome-Parks “experienced deafness and near-blindness‚
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Cobalt 60 Mode of decay: Beta particles and gamma radiation Chemical properties: Metallic solid that can become magnetically charged What is it used for? Co-60 is used medically for radiation therapy as implants and as an external source of radiation exposure. It is used industrially in leveling gauges and to x-ray welding seams and other structural elements to detect flaws. Co-60 also is used for food irradiation (http://www.cdc.gov/ncidod/dbmd/diseaseinfo/ foodirradiation.htm)‚ a sterilization
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something having to do with radiation. This should not be a major concern because “Millimeter wave energy is much lower than that of X-rays‚ so it poses fewer health concerns” (Hamalainen). Getting a scan is practically equivalent “…to 3to9 of the radiation received through normal daily living” (Martin). “Natural background radiation exposes us to about 2.4 millisieverts of radiation annually‚ which is about 24‚000 times the high end estimate of 0.1 microsievert of radiation from a backscatter airport
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few types of weeds and insects but Rachel Carson poses the question “Can anyone believe it is possible to lay down such a barrage of poisons on the surface of the earth without making it unfit for all life?” (614). Carson also touches on man-made radiation releasing harsh chemicals into the air‚ such as Strontium 90‚ which comes down as rain and soaks into the earth or even “…in time takes up its abode in the bones of a human being‚ there to remain until his
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business‚ social and personal purposes. On the other hand‚ the usage of cell phone had become addictive to people of all around the world and the abuse of prolongated hours on the cell phones can cause health hazard. Cell phones work under a non-ionizing radiation bases. But there is still a concern of how much cell phone usage a person can endure without any harmful reaction to them. I myself believe that cell phones may cause a reduction of blood cell count‚ but I do not believe that cell phones
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chemical symbol identifies the element it is redundant to include the atomic number‚ so it is rarely used. Carbon-14‚ therefore‚ would be written as 14C or C-l4. Unit of Radiation Energy The electron volt (eV) is an extremely small unit and is equal to only 1.6 X 10-12 ergs. It is only used in radiation safety to express radiation energy. The electron volt is such a small unit that it is usually written as mega- or kilo- electron volts which is a million electron volts (MeV) or a thousand electron
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manufactured by the Atomic Energy of Canada Limited (AECL) and went down to history as one of the world’s worst software disasters. The machine was released to the market in 1983 and was later involved in at least 6 accidents that lead to enormous radiation overdoses for the patients. One of the major innovations of the Therac-25 was the move to complete computer control‚ which allowed operators to set up the machines more quickly‚ so they could focus more on the patients. Altogether‚ eleven Therac-25
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