Doses and Biological Effects

• Introduction
• Four Basic Radiation Types
  • Introduction
  • Alpha
  • Beta
  • Beta +
  • Gamma
  • Quiz
• Classification of Biological Effects
  • Introduction
  • Source of Data
  • Basic Radiobiology
  • Deterministic Effects
  • Stochastic effects
  • Quiz 1
  • Hereditary defects
  • Factors affecting damage to cells
  • Types of cell damage
  • Quiz 2
• Concepts of Risk
  • Introduction
  • Occupational Exposure
  • Loss of Life Expectancy
  • Risks relative to other occupations
  • Quiz 1
  • Sources of Exposure
  • Data on occupational exposure
  • Total Radiation Dose to the UK Population
  • Quiz 2
• Annual Limits on Intake (ALI)
  • Introduction
  • ALI factors
  • ALI Models
  • Quiz
• Medical Internal Radiation Dose (MIRD)
  • Introduction
  • Steps in the MIRD Calculation
  • Further Information
  • Quiz
• Key Points

Annual Limits on Intake (ALI)

ALI factors

ALI depends on:

• Type and energy of the radiation
• Physical half life
• Biological half life
• Concentration of the nuclide in a particular organ
• The chemical nature of the labelled compound.

 

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