Comparative study of some new EPR dosimeters

Radiation Physics and Chemistry - Tập 95 - Trang 109-112 - 2014
K.S. Alzimami1, Ahmed M. Maghraby2,3, D.A. Bradley4,5
1Department of Radiological Sciences, King Saud University, PO Box 10219, Riyadh 11433, Saudi Arabia
2National Institute of Standards (NIS), Radiation Dosimetry Department, Tersa St., P.O. Box 136, 12211 Giza, Egypt
3Physics Department, Faculty of Science and Humanities, Salman Bin AbdulAziz University, Alkharj, Saudi Arabia
4Department of Physics, University of Surrey, Guildford, GU2 7XH, UK
5Department of Physics, University of Malaya, Pantai Valley, 50603 Kuala Lumpur, Malaysia

Tài liệu tham khảo

Attix, 1972 Attix, 1986 Baccaro, 2004, In-phantom dose mapping in neutron capture therapy by means of solid state detectors, Nucl. Instrum. Methods: Phys. Res. B, 213, 666, 10.1016/S0168-583X(03)01683-5 Bradshaw, 1962, The use of alanine as a solid dosimeter, Radiat. Res., 17, 11, 10.2307/3571206 Haskell, 1998, A high sensitivity EPR technique for alanine dosimetry, Radiat. Prot. Dosim., 77, 43, 10.1093/oxfordjournals.rpd.a032293 Heydari, 2002, Alanine radicals. 2. The composite polycrystalline alanine EPR spectrum studied by ENDOR, thermal annealing, and spectrum simulations, J. Phys. Chem. A, 106, 8971, 10.1021/jp026023c Hubbell, J., Seltzer, S., 1995. Tables for mass attenuation coefficients and mass energy-absorption coefficients 1keV to 20MeV for elements Z=1 to 92 and 48 additional substances of dosimetric interest. NIST Report (NIST-IR-5632), U.S. Department of Commerce, Ionizing Radiation Division, Gaithersburg, USA. ICRU, 1984. Stopping Powers for Electrons and Positrons. Report 37. International Commission on Radiation Units and Measurement, Bethesda, MD. ICRU, 1989. Tissue Substitutes in Radiation Dosimetry and Measurements. Report 44. International Commission on Radiation Units and Measurements, Bethesda, MD. Maghraby, 2005, A new EPR dosimeter based on sulfanilic acid, Radiat. Meas., 41, 170, 10.1016/j.radmeas.2005.07.001 Maghraby, 2007, A sensitive EPR dosimetry system based on sulfamic acid, Nucl. Instrum. Methods: Phys. Res. B, 262, 46, 10.1016/j.nimb.2007.05.010 Maghraby, 2012, Taurine for EPR dosimetry, Radiat. Environ. Biophys., 51, 255, 10.1007/s00411-012-0415-z Maghraby, 2011, EPR/homotaurine: a possible dosimetry system for high doses, Nucl. Instrum. Methods: Phys. Res. A, 659, 504, 10.1016/j.nima.2011.08.017 Maghraby, 2011, Uncertainty attributed to signal averaging in a single averaged alanine EPR spectrum for low-dose applications, Radiat. Prot. Dosim., 143, 6, 10.1093/rpd/ncq292 Maghraby, A., 2012. Ionizing radiation induced radicals. In: Mitsuru Nenoi (Ed.), Current Topics in Ionizing Radiation Research. Tech Publishers, isbn:978-953-51-0196-3. Malinen, 2003, Alanine radicals, Part 4: relative amounts of radical species in alanine dosimeters after exposure to 6–19MeV electrons and 10kV–15MV photons, Radiat. Res., 159, 149, 10.1667/0033-7587(2003)159[0149:ARPRAO]2.0.CO;2 Malinen, 2003, Alanine radicals, Part 3: properties of the components contributing to the EPR spectrum of X-irradiated alanine dosimeters, Radiat. Res., 159, 23, 10.1667/0033-7587(2003)159[0023:ARPPOT]2.0.CO;2 Mehta, 2000, IAEA high-dose intercomparison in Co-60 field, Appl. Radiat. Isot., 52, 1179, 10.1016/S0969-8043(00)00067-1 Mojgan Z., 2002, Alanine radicals. 2. The composite polycrystalline alanine EPR spectrum studied by ENDOR, thermal annealing, and spectrum simulations, J. Phys. Chem. A, 106, 8971, 10.1021/jp026023c Nagy, 1996, Complex time dependence of the EPR signal of irradiated l-α-alanine, Appl. Radiat. Isot., 47, 789, 10.1016/0969-8043(96)00053-X Wagner, 2008, In vivo alanine/electron spin resonance (ESR) dosimetry in radiotherapy of prostate cancer: a feasibility study, Radiother. Oncol., 88, 140, 10.1016/j.radonc.2008.03.017 Waldeland, 2010, The energy dependence of lithium formate and alanine EPR dosimeters for medium energy x rays, Med. Phys., 37, 3569, 10.1118/1.3432567 Zeng, 2004, An experimental and Monte Carlo investigation of the energy dependence of alanine/EPR dosimetry, I: clinical x-ray beams, Phys. Med. Biol., 21, 257, 10.1088/0031-9155/49/2/006