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eBook Biological Effects of Radiation (The Wykeham science series) ePub

eBook Biological Effects of Radiation (The Wykeham science series) ePub

by G.R. Noakes,J.E. Coggle

  • ISBN: 0851092004
  • Category: Computer Science
  • Subcategory: Computers
  • Author: G.R. Noakes,J.E. Coggle
  • Language: English
  • Publisher: Taylor & Francis Ltd (April 29, 1971)
  • Pages: 150
  • ePub book: 1281 kb
  • Fb2 book: 1631 kb
  • Other: lrf rtf lrf docx
  • Rating: 4.1
  • Votes: 925

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Several biological effects can result from ionizing radiation. No biological effects in individuals have ever been documented as being due to levels of ionizing radiation employed for medical diagnosis. These can be due to direct or indirect mechanisms, and they can be acute or delayed. Acute effects occur with exposure to high-level radiation. Absorbed doses from nuclear medicine procedures are very low. Fear of radiation must not be permitted to undermine the great value of radiation in clinical practice. However, safe handling of all levels of radiation is important to prevent or minimize possible biological effects.

Biological Effects of Exposure to Radiation. The effects of radiation depend on the type, energy, and location of the radiation source, and the length of exposure. Radiation can harm either the whole body (somatic damage) or eggs and sperm (genetic damage). It is one of the products of the radioactive decay series of U-238 (Chapter 2. Radioactive Decay), which is found in trace amounts in soil and rocks. The radon gas that is produced slowly escapes from the ground and gradually seeps into homes and other structures above.

The biological effect of ionizing. The excited and. ionized water molecules undergo a series of reactions. Radiobiological Effects : The harmful effects of the radiation fall into two categories, non-. stochastic & stochastic effects15. radiation is a consequence of the energy transfer by ionization and excitation to body cells. Therefore, there is need to know the various biological effects of radiation on human beings so. that we can use radiation safely. Radiation on interactions with water. produces the radiolytic products of water such is H, OH, HO2, eraq, O2 and H2O2. Non-Stochastic Effects : These effects are deterministic in nature and do not occur below a.

Ionizing radiation can cause biological effects which are passed on to offspring through the epigenome. The effects of radiation on cells has been found to be dependent on the dosage of the radiation, the location of the cell in regards to tissue, and whether the cell is a somatic or germ line cell. Generally, ionizing radiation appears to reduce methylation of DNA in cells.

A dose of ionizing radiation absorbed in a biological environment will initiate a complex process of various events. The physical events start with energy transfer from the ionizing particles to the atoms and molecules of surrounding tissues

A dose of ionizing radiation absorbed in a biological environment will initiate a complex process of various events. The physical events start with energy transfer from the ionizing particles to the atoms and molecules of surrounding tissues. This process takes about 10-13 seconds. Following this, physicochemical processes take place, such as intramolecular energy transfers, excitation and ionization of atoms. The time length of this is about 10-10 s. Then the chemical processes start.

Here we present some of the most recent. I. Effects On Fetal And Newborn Development II. Effects On Young Children III.

The biological effects of ionizing radiation are well known. The nuclear industry is closely monitored and inspected to ensure that safety procedures and regulations are precisely followed to protect workers in the industry, as well as the public and the environment. Sources: World Health Organization. What is Ionizing Radiation? ww. ho. int/ionizing is ir/en/index.

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