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Questions and Answers
What is the direct action of ionizing radiation on microorganisms?
What is the direct action of ionizing radiation on microorganisms?
- Interaction with target regions in molecules (correct)
- Absorption of radiation by water
- Production of free radicals
- Excitation of mold spores
How does a single ionization in sensitive regions of molecules affect microorganisms?
How does a single ionization in sensitive regions of molecules affect microorganisms?
- Increases microbial resistance
- Promotes microbial reproduction
- Stimulates microbial growth
- Causes inactivation of the molecule (correct)
What is the role of water in indirect action of ionizing radiation?
What is the role of water in indirect action of ionizing radiation?
- Transfer of energy to solute molecules
- Production of free radicals (correct)
- Excitation of mold spores
- Direct interaction with target regions
How does ionizing radiation cause harm at the molecular level?
How does ionizing radiation cause harm at the molecular level?
What is the primary source of energy imparted in dilute solutions exposed to radiation?
What is the primary source of energy imparted in dilute solutions exposed to radiation?
How does ionizing radiation cause microbial death through indirect action?
How does ionizing radiation cause microbial death through indirect action?
What is considered the major subject of cellular damage?
What is considered the major subject of cellular damage?
What makes free radicals extremely reactive?
What makes free radicals extremely reactive?
What can be broken in free radical reactions?
What can be broken in free radical reactions?
How does oxygen influence free radical formation?
How does oxygen influence free radical formation?
What is the effect of transfer of a free radical to a biological molecule?
What is the effect of transfer of a free radical to a biological molecule?
What does the organic peroxy radical do in terms of transferring radicals?
What does the organic peroxy radical do in terms of transferring radicals?
Why is DUR important when optimizing radiation doses for irradiation-sensitive materials?
Why is DUR important when optimizing radiation doses for irradiation-sensitive materials?
What advantage does radiation sterilization have in terms of temperature independence?
What advantage does radiation sterilization have in terms of temperature independence?
What is a key benefit of radiation sterilization in terms of chemical usage?
What is a key benefit of radiation sterilization in terms of chemical usage?
In what aspect is radiation sterilization especially flexible?
In what aspect is radiation sterilization especially flexible?
What contributes to the time efficiency of e-beam sterilization?
What contributes to the time efficiency of e-beam sterilization?
What advantage does radiation sterilization offer in terms of packaging?
What advantage does radiation sterilization offer in terms of packaging?
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