Testing of dose-rate models with Chlamydomonas reinhardi. Academic Article

abstract

• Survival of Chlamydomonas reinhardi exposed to 1.5-MeV electrons was measured for six dose rates, from 45 to 2700 rad/min; exposure times ranged from 1 to 300 min. When the data were plotted as the quotient of the negative logarith of the surviving fraction by the square of the dose versus the irradiation time, they fell essentially on a single curve regardless of the dose rate. Study of six dose-rate models found in the literature showed that only one of them, the Accumulation Model, predcits such a single curve; the others predict families of curves, one for each dose rate. The latter five can be rejected as not applying to C. reinhardi. The fit of the Accumulation Model to the data gave a mean recovery time of 24 min.

authors

• Braby, Leslie

published proceedings

• Radiat Res

author list (cited authors)

• Braby, L. A., & Roesch, W. C.

citation count

• 10

complete list of authors

• Braby, LA||Roesch, WC

publication date

• November 1978

publisher

• JSTOR  Publisher

published in

• RADIATION RESEARCH  Journal

keywords

• Cells, Cultured
• Chlamydomonas
• Dose-Response Relationship, Radiation
• Electrons
• Models, Biological
• Time Factors

PubMed Central ID

• 752157

Digital Object Identifier (DOI)

• 10.2307/3574777

start page

• 259

end page

• 270

volume

• 76

issue

• 2

URL

• http://dx.doi.org/10.2307/3574777