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Related Concept Videos

Biological Effects of Radiation02:59

Biological Effects of Radiation

All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they produce ions...
Mutations01:35

Mutations

Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
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Radiation: Applications01:17

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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Burn Injuries01:22

Burn Injuries

Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
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Absorption of Radiation01:05

Absorption of Radiation

The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
Cellular Injury II: Classification01:21

Cellular Injury II: Classification

Cellular injury is any process that disrupts a cell’s ability to maintain homeostasis, leading to structural or functional changes. It is broadly classified based on etiology (cause) and mechanism of damage.Classification by EtiologyCellular injury may result from several causes. Hypoxic injury happens due to reduced oxygen delivery, most commonly from inadequate blood supply, such as arterial obstruction; for example, coronary artery thrombosis can cause myocardial infarction. Chemical injury...

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Related Experiment Video

Updated: Jul 11, 2026

Establishment of a Robust and Reproducible Model of Radiation-Induced Skin and Muscle Fibrosis
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Combined radiation burn injuries: A note.

Ajay Kumar Sharma1, Ayushi Prasad2, Aman Kalonia1

  • 1Institute of Nuclear Medicine & Allied Sciences, Defence Research and Development Organization, Lucknow Road, Timarpur, New Delhi 110054, India.

Journal of Radiological Protection : Official Journal of the Society for Radiological Protection
|November 1, 2022
PubMed
Summary

Combined radiation burn injury (CRBI) results from ionizing radiation and thermal burns, impacting multiple organ systems. Research reviews CRBI effects and countermeasures to improve survival rates in mass casualty incidents.

Keywords:
CRBIbone marrowburn woundgastro-intestinal injuryhematopoieticinflammatory response

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Area of Science:

  • Radiation oncology
  • Trauma medicine
  • Medical countermeasures

Background:

  • Combined radiation injury (CRI) occurs when radiation exposure is coupled with other traumas.
  • Historical incidents like Hiroshima, Nagasaki, and Chernobyl highlight the significant casualties from CRI.
  • Preparedness for mass casualty events involving CRI is crucial due to potential massive loss of life.

Purpose of the Study:

  • To review current research on the effects of combined radiation burn injury (CRBI) on various organ systems.
  • To explore potential countermeasures for mitigating the lethal effects of CRBI.
  • To enhance understanding for improved survival strategies in radiation emergencies.

Main Methods:

  • Literature review of ongoing research on CRBI.
  • Analysis of effects on hematopoietic, digestive, lymphatic, cardiovascular, and respiratory systems.
  • Identification of key lethal effects such as hematopoietic dysfunction and gastrointestinal leakage.

Main Results:

  • CRBI significantly impacts multiple organ systems, leading to severe health consequences.
  • Lethal effects include hematopoietic dysfunction, gastrointestinal leakage, bacterial translocation, pulmonary fibrosis, and pneumonitis.
  • Understanding these effects is vital for developing effective treatment protocols.

Conclusions:

  • CRBI poses a severe threat, necessitating comprehensive understanding of its pathophysiology.
  • Further research into countermeasures is essential for improving patient outcomes and survival.
  • Preparedness and knowledge dissemination are key to managing mass casualty incidents involving CRBI.