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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.
- Material Name : Arginine Monohydrochloride. - Type of Dosimeter : Rods
Dose range from 5 to 180 kGy.
- Material Name : Ammonium Oxalate. - Type of Dosimeter : Rods
Dose range from 10 to 1000 Gy.
- Material Name : Cardamom & Cloves plants. - Type of Dosimeter : Powder.
Dose assessment of Cardamom & Cloves plant (powder).
- Material Name: Magnesium lactate. - Type of Dosimeter: Rods
Dose range from 0.1 to 100 kGy.
- Material Name: 2-Methylalanine. - Type of Dosimeter: Pellets
Dose range from 1 to 100 kGy.
- Material Name: Strontium sulfate. - Type of Dosimeter: Rods
Dose range from 1 to 100 Gy.
- Material Name: Strontium carbonate. - Type of Dosimeter: Rods
Dose range from 2.5 to 500 Gy.
- Material Name: Riboflavin. - Type of Dosimeter: Rods
Dose range from 0.1 to 100 kGy.
- Material Name: Taurine. - Type of Dosimeter: Powder
Dose range from 0.1 to 50 kGy.
- Material Name: Taurine. - Type of Dosimeter: Rods
Dose range from 1.5 to 100 kGy.
- Material Name: Sodium glutamate. - Type of Dosimeter: Powder
Dose range from 1 to 90 kGy.
- 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
- 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
- Material Name: Quartz - Type of Dosimeter: Rods
Dose range from 0.1 to 290 kGy.
0 Gy
1000 Gy
100 Gy
180 kGy
0 Gy
100 Gy
500 Gy
0 Gy
100 Gy
290 KGy
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,
- 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.
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
Ass. Prof. Dr. Sayda Eid Ass. Prof. Dr. Yasser Soilman
Dr. Sameh Gafar Dr. Hanaa Hassan Dr. Asmaa Sobhy
PhD students
Mr. Ramy Amer Fahim Mr. Ahmed Bayomi
Questions?