Md Firoz Mortuza

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Questions related from Md Firoz Mortuza

Can anyone help me calculate the dose rates at 60, 75, 90, 105, 120, 135, 150 cm distances from 83.4 kCi Co-60 source using "line source" calculation?

The source consists of eight encapsulated Cobalt-60 pencils arranged in a cylinder. Each source pencil is of 1.4 cm outer diameter and 45.2 cm length. I want to compare the observed dose with...

16 December 2016 8,138 13 View

What is the relation between overdose ratio and density/thickness of products for a Cobalt-60 gamma irradiator?

From the ratio of maximum and minimum doses, we measured the overdose ratio for eight boxes. The highest overdose ratio was found for Box 2, which was 1.57, and lowest overdose ratio was for Box...

27 November 2016 4,936 2 View

Is there anyone who can help me calculate radiation dose using Monte Carlo simulation?

We have measured the radiation doses at different positions of a Cobalt-60 gamma irradiator room using Fricke and Ceric-cerous dosimeters. Now, we want to compare and validate the obtained dose...

04 August 2016 2,628 9 View

Can anyone provide me a simplified procedure to detect DNA damage and DNA mutation by gamma radiation?

We want to determine/understand DNA damage/mutation caused by different doses of gamma irradiation on different organisms. However, although I have performed DNA sequencing using Genetic Analyzer...

16 July 2016 2,484 3 View

Which theory is scientifically more accurate for predicting/assessing health effects of radiation; Threshold Theory, LNT Theory or Radiation Hormesis?

There are so many contradictory research papers published on health effects of radiation especially low dose radiation. Some are arguing for LNT model, others are for Threshold or Hormesis model....

05 June 2016 8,918 14 View