Radiation Protection Dosimetry Advance Access originally published online on November 21, 2007
Radiation Protection Dosimetry 2008 128(3):294-298; doi:10.1093/rpd/ncm382
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Study of Zeff for DNA, RNA and retina by numerical methods
Department of Physics, Bangalore University, Bangalore, Karnataka, India
* Corresponding author: manjunathhc{at}rediffmail.com
Received October 20, 2006, amended April 12, 2007, accepted June 26, 2007
The effective atomic number of a biomolecule for photon interaction present in DNA, RNA and retina has been estimated in the energy range 0.001–20 MeV using two different numerical methods. The significant variation of Zeff with photon energy is reported. This shows that Zeff is not constant with energy for photon interaction in DNA, RNA and retinal.