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Article Review:
EPR Dosimetry Systems;
Assessment and developed in NCRRT
S. Ebraheem
Prof. of Applied Radiation Chemistry Chairman, NCRRT
National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Cairo -Egypt.
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- Material Name : Arginine Monohydrochloride. - Type of Dosimeter : Rods
Dose range from 5 to 180 kGy.
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- Material Name : Ammonium Oxalate. - Type of Dosimeter : Rods
Dose range from 10 to 1000 Gy.
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- Material Name : Cardamom & Cloves plants. - Type of Dosimeter : Powder.
Dose assessment of Cardamom & Cloves plant (powder).
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- Material Name: Magnesium lactate. - Type of Dosimeter: Rods
Dose range from 0.1 to 100 kGy.
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- Material Name: 2-Methylalanine. - Type of Dosimeter: Pellets
Dose range from 1 to 100 kGy.
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- Material Name: Strontium sulfate. - Type of Dosimeter: Rods
Dose range from 1 to 100 Gy.
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- Material Name: Strontium carbonate. - Type of Dosimeter: Rods
Dose range from 2.5 to 500 Gy.
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- Material Name: Riboflavin. - Type of Dosimeter: Rods
Dose range from 0.1 to 100 kGy.
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- Material Name: Taurine. - Type of Dosimeter: Powder
Dose range from 0.1 to 50 kGy.
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- Material Name: Taurine. - Type of Dosimeter: Rods
Dose range from 1.5 to 100 kGy.
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- Material Name: Sodium glutamate. - Type of Dosimeter: Powder
Dose range from 1 to 90 kGy.
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- Material Name : Glutamic acid. - Type of Dosimeter: Pellets
Absorbed dose, kGy
0 2 4 6 8 10 12 14 16
Co
rrela
ted
S.H
.
0.000
0.001
0.002
0.003
0.004
0.005
[GA],%
60.070.080.0
Magnetic Field, Gauss
3360 3380 3400 3420 3440 3460 3480 3500
EP
R S
.H.
-10000
-5000
0
5000
10000
Incr
easi
ng
do
se
Increasin
g d
ose
Dose,kGy
0.00.53.010.020.030.0
g1=2.02664
g2=2.02115
g3=2.01328
g4=2.00607
g5=1.99456
g6=1.98964
Dose range from 0.1 to 15 kGy & 15-150 kGy
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- Material Name : Hydrazin Sulfate - Type of Dosimeter: Rod
Magnetic Field, Gauss
3380 3400 3420 3440 3460 3480 3500 3520
EP
R Inte
nsi
ty
-8000
-6000
-4000
-2000
0
2000
4000
6000
8000
Conc. = 40%
Absorbed dose =
50 kGy
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- Material Name: Quartz - Type of Dosimeter: Rods
Dose range from 0.1 to 290 kGy.
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0 Gy
1000 Gy
100 Gy
180 kGy
0 Gy
100 Gy
500 Gy
0 Gy
100 Gy
290 KGy
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References
- EPR dosimetric properties of radiation – Formed radicals in arginine monohydrochloride, W.B. Beshir
et al., J. Photochem. Photobio. B: Biology 116 (2012) 1-6.
- EPR dosimetric potential of Ammonium Oxalate in radiation technology, M.A.H. Rushdi, W.B. Beshir,
under publication.
- Identification and dose assessment of irradiated cardamom and cloves by EPR spectrometry,
W.B. Beshir, Radit. Phys. Chem. 96 (2014) 190-194.
Laila I. Ali, H. Moustafa, Soad M. Tadros, Radit. Phys. Chem. 102 (2014) 11 -15.
- Strontium sulfate as an EPR dosimeter for radiation technology application, M.A.H. Rushdi, A.A.
Abdel-Fattah, M.M. Sherif, Y.S. Soliman, A. Mansour, J. Radiat. Resea. Appl. Sci. 8 (2015) 221- 225.
- Radiation-induced defects in strontium carbonate rod for EPR dosimetry applications, M.A.H. Rushdi,
A.A. Abdel-Fattah, Y.S. Soliman, Radit. Phys. Chem. 131 (2017) 1-6.
- Magnesium lactate mixed with EVA polymer/paraffin as an EPR dosimeter for radiation processing
application, Y.S. Soliman, A.A. Abdel-Fattah, Radit. Phys. Chem. 81 (2012) 1910 -1916.
- EPR dosimetric properties of 2-methylalanine pellet for radiation processing application,
Y.S. Soliman,
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- Gamma radiation-induced effects on riboflavin EPR investigation and spectroscopic analyses,
A. Mansour, A.A. Abdel-Fattah, Y.S. Soliman, .J. Drug Del. Sci. Tech., 24 (2014) 105 – 110.
- Taurine for EPR dosimetry, A. Maghraby, A. Mansour, E. Tarek, Radiat. Environ. Biophys. 51 (2012) 255 –
261.
- Taurine-EVA Copolymer-Paraffin rods dosimeters for EPR high-dose radiation dosimetry,
A. Maghraby, A. Mansour, E. Tarek, A.A. Abdel-Fattah, Intern. J. Nucl. Sci. 59 (2014) 9- 13.
- ESR Dosimetric Properties of Sodium Glutamate, S. Eid, S. Ebraheem, A. Sobhy, Egypt J. Rad. Sci. Applic. 27
(2014) 119 – 133.
- A New EPR dosimeter based on Glutamic acid for radiation-processing application,
W. B. Beshir, Yasser S. Soliman, A.A. Abdel-Fattah, Ramy Amer Fahim. MSc. Thesis, Cairo university, 2016.
- A New EPR Dosimetry System, S. Ebraheem, S.M. Gafar, Egypt J. Rad. Sci. Applic., 22 (2011) 105-111.
- Study of radiation-induced paramagnetic centers in quartz and its possible use in radiation dosimetry, A.
Mansour, PhD thesis, Al-Azhar university, Egypt, 2008,
https://inis.iaea.org/search/search.aspx?orig_q=RN:40024278.
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NCRRT EPR Dosimetry Group
Prof. Dr. Atef Abdel-Fattah
EAEA chairman
Prof. Dr. Seif Ebraheem
NCRRT chairman
Prof. Dr. Wafaa Beshir
Reference dosimetry lab.
chairman
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Ass. Prof. Dr. Sayda Eid Ass. Prof. Dr. Yasser Soilman
Dr. Sameh Gafar Dr. Hanaa Hassan Dr. Asmaa Sobhy
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PhD students
Mr. Ramy Amer Fahim Mr. Ahmed Bayomi
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Questions?