Dr. Atef Mohamed El-Taher

Dr. Atef Mohamed El-Taher

Professor
Al-Azhar University, Egypt


Highest Degree
Ph.D. in Nuclear Physics from Al-Azhar University, Cairo, Egypt

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Area of Interest:

Physics
100%
Natural Radioactivity
62%
Neutron Activation Analysis
90%
Radiation Effects
75%
Radiation Shielding
55%

Selected Publications

  1. Ravisankar, R., M. Tholkappian, A. Chandrasekaran, P. Eswaran and A. El-Taher, 2019. Effects of physicochemical properties on heavy metal, magnetic susceptibility and natural radionuclides with statistical approach in the Chennai coastal sediment of East Coast of Tamilnadu, India. Applied Water Sci., Vol. 9, No. 7. 10.1007/s13201-019-1031-8.
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  2. Mostafa, M.Y. and A. El-Taher, 2019. Radon standard source in different countries with different principals. J. Radiat. Nucl. Applic., 4: 35-41.
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  3. Mostafa, A., S.A. Salman, E.M. Seleem, A.A. Elnazer, A.G.A. Al-Gamal, A. El-Taher and H. Mansour, 2019. Quality assessment of river Nile sediment between Qena and Sohag cities, Egypt. J. Environ. Sci. Technol., 12: 117-124.
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  4. Mahmoud, M.E., R.M. El-Sharkawy, E.A. Allam, R. Elsaman and A. El-Taher, 2019. Fabrication and characterization of phosphotungstic acid-copper oxide nanoparticles-plastic waste nanocomposites for enhanced radiation-shielding. J. Alloys Compd., 803: 768-777.
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  5. Madkour, H.A., A.M. Mansour, M.A. Sebak, A. Badawai and A. El-Taher, 2019. Observation of changes in sediment nature by environmental impacts of Abu-Makhadeg area, Red Sea, Egypt. J. Environ. Sci. Technol., 12: 55-64.
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  6. El-Taher, A., W.M. Badawy, B. Alshahrani and A.A. Ibraheem, 2019. Neutron activation and ICP-MS analyses of metals in dust samples-Kingdom of Saudi Arabia: Concentrations, pollution and exposure. Arab. J. Geosci., Vol. 12, No. 20. 10.1007/s12517-019-4818-x.
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  7. El-Taher, A., W.M. Badawy, A.E. Khater and H.A. Madkour, 2019. Distribution patterns of natural radionuclides and rare earth elements in marine sediments from the Red Sea, Egypt. Applied Radiat. Isot., 151: 171-181.
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  8. El-Taher, A., L.A. Najam, I. Hussian and M.A.A. Omar, 2019. Evaluation of natural radionuclide content in Nile river sediments and excess lifetime cancer risk associated with gamma radiation. Iran. J. Med. Phys., 16: 27-33.
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  9. El-Taher, A., A.M. Ali, Y.B. Saddeek, R. Elsaman, H. Algarni, K.S. Shaaban and T.Z. Amer, 2019. Gamma ray shielding and structural properties of iron alkali alumino-phosphate glasses modified by PbO. Radiat. Phys. Chem., Vol. 165. 10.1016/j.radphyschem.2019.108403.
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  10. Alshahri, F., A. El-Taher and A.E.A. Elzain, 2019. Measurement of radon exhalation rate and annual effective dose from marine sediments, Ras Tanura, Saudi Arabia, using CR-39 detectors. Rom. J. Phys., Vol. 64. .
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  11. Alshahri, F. and A. El-Taher, 2019. Investigation of natural radioactivity levels and evaluation of radiation hazards in residential-area soil near a Ras Tanura Refinery, Saudi Arabia. Pol. J. Environ. Stud., 28: 25-34.
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  12. Al-Sayed, A., A. El-Taher and K.S. Al-Mugren, 2019. Autocorrelation analysis of gamma ray log of Ras Fanar oil field in Egypt. Applied Math. Inform. Sci., 14: 481-487.
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  13. Saddeek, Y.B., K.H.S. Shaaban, R. Elsaman, A. El-Taher and T.Z. Amer, 2018. Attenuation-density anomalous relationship of lead alkali borosilicate glasses. Radiat. Phys. Chem., 150: 182-188.
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  14. Ibraheem, A.A., A. El-Taher and M.H.M. Alruwaili, 2018. Assessment of natural radioactivity levels and radiation hazard indices for soil samples from Abha, Saudi Arabia. Results Phys., 11: 325-330.
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  15. Elsaman, R., M.A.A. Omer, E.M.M. Seleem and A. El-Taher, 2018. Natural radioactivity levels and radiological hazards in soil samples around Abu Karqas sugar factory. J. Environ. Sci. Technol., 11: 28-38.
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  16. El-Taher, A., S. Alashrah, H.A. Madkour, A. Al-Sayed and T. El-Erian, 2018. Radionuclides distribution in marine sediment from Abu Soma Bay, Egyptian Red Sea Coast. J. Environ. Sci. Technol., 11: 95-103.
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  17. El-Taher, A., M.H.H. Zakalya and R. Elsaman, 2018. Environmental implications and spatial distribution of natural radionuclides and heavy metals in sediments from four harbours in the Egyptian Red Sea Coast. Applied Rad. Isot., 131: 13-22.
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  18. El-Taher, A., F. Alshahri and R. Elsaman, 2018. Environmental impacts of heavy metals, rare earth elements and natural radionuclides in marine sediment from Ras Tanura, Saudi Arabia along the Arabian Gulf. Applied Radiat. Isot., 132: 95-104.
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  19. El-Taher, A., 2018. Nuclear analytical techniques for detection of rare earth elements. J. Radiat. Nucl. Applic., 3: 53-64.
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  20. Badawy, W.M., A. El-Taher, M.V. Frontasyeva, H.A. Madkour and A.E. Khater, 2018. Assessment of anthropogenic and geogenic impacts on marine sediments along the coastal areas of Egyptian Red Sea. Applied Radiat. Isot., 140: 314-326.
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  21. Alshahri, F. and A. El-Taher, 2018. Assessment of heavy and trace metals in surface soil nearby an oil refinery, Saudi Arabia, using geoaccumulation and pollution indices. Arch. Environ. Contam. Toxicol., 75: 390-401.
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  22. Alsayyari, A.A.S., M.A.A. Omer and A. El-Taher, 2018. Assessment of exposure dose due to radioactive sources at lab of radiology department-Qassim University. J. Med. Sci., 18: 103-107.
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  23. Alashrah, S., A. El-Taher and H. Mansour, 2018. Assessment of radiological parameters and metal contents in soil and stone samples from Harrat Al Madinah, Saudi Arabia. MethodsX, 5: 485-494.
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  24. Alashrah, S. And A. El-Taher, 2018. Assessing exposure hazards and metal analysis resulting from bauxite samples collected from a Saudi Arabian mine. Pol. J. Environ. Stud., 27: 959-966.
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  25. Al-Mugren, K.S., A. Al-Sayed and A. El-Taher, 2018. Correlation methods versus random matrix theory to identify nuclear chaos. J. Comput. Theoret. Nanosci., 15: 1886-1891.
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  26. Youssef, M., H. Madkour, A. Mansour, W. Alharbi and A. El-Taher, 2017. Invertebrate shells (mollusca, foraminifera) as pollution indicators, Red Sea Coast, Egypt. J. Afr. Earth Sci., 133: 74-85.
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  27. Shaltout, A.A., S.I. Ahmed, S.D. Abayazeed, A. El-Taher and O.H. Abd-Elkader, 2017. Quantitative elemental analysis and natural radioactivity levels of mud and salt collected from the Dead Sea, Jordan. Microchem. J., 133: 352-357.
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  28. Gamal, G.A., A. El-Taher and A.A. Ebnalwaled, 2017. Irradiation effect on the structure of indium sulfide semiconductor crystals. Int. J. Scient. Eng. Res., 8: 1279-1283.
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  29. El-Taher, A., L.A. Najam, A.H. Oraibi and M.O. Isinkaye, 2017. Effect of cement factory exhaust on radiological contents of surrounding soil samples in Assuit province, Egypt. J. Phys. Sci., 28: 137-150.
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  30. Alshahri, F., A. El-Taher and A.E.A. Elzain, 2017. Characterization of radon concentration and annual effective dose of soil surrounding a refinery area, Ras Tanura, Saudi Arabia. J. Environ. Sci. Technol., 10: 311-319.
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  31. Alharbi, W.R., H.A. Madkour and A. El-Taher, 2017. Coral reefs as a tool for monitoring environmental and radiation hazards. Arab. J. Geosci., Vol. 10, No. 4. 10.1007/s12517-017-2881-8.
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  32. Alharbi, W.R. and A. El-Taher, 2017. Environmental geochemistry and mineralogy of molluscan shells as related to their ecology. Arab. J. Geosci., Vol. 10, No. 24. 10.1007/s12517-017-3273-9.
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  33. Al-Zahrani, J. and A. El-Taher, 2017. Natural radioactivity levels and elemental analysis of cement by gamma-ray spectrometer and neutron activation analysis. Am. Scient. Res. J. Eng. Technol. Sci., 30: 173-183.
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  34. Saad, H.E.M.M. and A. El-Taher, 2016. Study of structural, electronic and magnetic properties of transition-metalperovskite oxides SrMO3 (M = Mn and Co) by XRD and DFT techniques. Digest J. Nanomater. Biostruct., 11: 1383-1396.
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  35. Khater, A.E.M., M.A. Galmed, M.M. Nasr and A. El-Taher, 2016. Uranium and rare earth elements in Hazm El-Jalamid phosphate, Saudi Arabia: Concentrations and geochemical patterns comparison. Environ. Earth Sci., Vol. 75, No. 18. 10.1007/s12665-016-6063-x.
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  36. El-Taher, A., R. Garcia-Tenorio and A.E.M. Khater, 2016. Ecological impacts of Al-Jalamid phosphate mining, Saudi Arabia: Soil elemental characterization and spatial distribution with INAA. Applied Radiat. Isot., 107: 382-390.
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  37. El-Taher, A. and A.E.M. Khater, 2016. Elemental characterization of Hazm El-Jalamid phosphorite by instrumental neutron activation analysis. Applied Radiat. Isot., 114: 121-127.
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  38. El-Taher, A. and A. Al-Turki, 2016. Radon activity measurements in irrigation water from Qassim Province by RAD7. J. Environ. Biol., 37: 1299-1302.
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  39. Althoyaib, S.S. and A. El-Taher, 2016. Natural radioactivity levels of radon, radium and the associated health effects in drinking water consumed in Qassim area, Saudi Arabia. J. Environ. Sci. Technol., 9: 208-213.
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  40. Alharbi, W.R. and A. El-Taher, 2016. Elemental analysis and natural radioactivity levels of clay by gamma ray spectrometer and instrumental neutron activation analysis. Sci. Technol. Nucl. Installations, Vol. 2016. 10.1155/2016/8726260.
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  41. Alharbi, A. and A. El-Taher, 2016. Elemental analysis of basalt by instrumental neutron activation analysis and inductively coupled plasma mass spectrometer. J. Environ. Sci. Technol., 9: 335-339.
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  42. Alashrah, S. and A. El-Taher, 2016. Gamma spectroscopic analysis and associated radiation hazards parameters of cement used in Saudi Arabia. J. Environ. Sci. Technol., 9: 238-245.
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  43. Alashrah, S. and A. El-Taher, 2016. Assessment of natural radioactivity level and radiation hazards in soil samples of Wadi Al-Rummah Qassim province, Saudi Arabia. J. Environ. Biol., 37: 985-991.
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  44. Alamoudi, Z.M. and A. El-Taher, 2016. Application of nuclear analytical techniques in elemental characterization of Wadi El-Nakhil alabaster, Central Eastern Desert, Egypt. Sci. Technol. Nucl. Installations, Vol. 2016. 10.1155/2016/2892863.
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  45. Al-Mufadi, F.A., A. El-Taher and G.A. Gamal, 2016. Influence of γ-irradiation on the structural properties of indium monoselenide crystals. Eng. Technol. Applied Sci. Res., 6: 1264-1268.
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  46. Al Mugren, K.S., Y. El Sayed, H. Shoukry and A. El Taher, 2016. Raman and UV-VIS-NIR spectroscopy of phosphate glasses. Digest J. Nanomater. Biostruct., 11: 607-614.
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  47. Al Mugren, K.S., E.S. Yousef, A. El-Taher and H. Shoukry, 2016. Dosimetric UV exposure effect on the optical properties of Ag2O doped P2O5-ZnO-CuO glass. Adv. Cond. Matter Phys., Vol. 2016. 10.1155/2016/2360729.
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  48. Al Mugren, K.S. and A. El-Taher, 2016. Risk assessment of some radioactive and elemental content from cement and phosphate fertilizer consumer in Saudi Arabia. J. Environ. Sci. Technol., 9: 323-328.
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  49. Shallan, M.B. and A. El-Taher, 2015. Safety precautions in chimneys for industrial and nuclear facilities using a statistical model. Arab J. Nucl. Sci. Applic., 48: 24-32.
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  50. Saad, H.E.M.M., M.A.K. Abdelhalim and A. El-Taher, 2015. First-principles study of structural, electronic and magnetic properties of double perovskite oxides Ba2CoMO6 (M=Mo and W). Mater. Sci. Semicond. Process., 34: 281-290.
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  51. Mostafa, A.G., M.A. Sayed, Y.B. Saddeek, M.Y. Hassaan, K.A. Aly and A. El-Taher, 2015. Studying the elastic properties of glasses based on CKD using ultrasonic technique. Digest J. Nanomater. Biostruct., 10: 935-940.
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  52. Mostafa, A.G., M.A. Sayed, M.Y. Hassaan, K.A. Aly, Y.B. Saddeek and A. El-Taher, 2015. Physical characterization of glasses based on Blast Furnace Slag (BFS). Int. J. Innov. Technol. Explor. Eng., 5: 27-31.

  53. Madkour, H.A., M.A.K. Abdelhalim, K.A. Obirikorang, A.W. Mohamed, A.E.H.N. Ahmed and A. El-Taher, 2015. Environmental implications of surface sediments from coastal lagoons in the Red Sea coast. J. Environ. Biol., 36: 1421-1427.
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  54. Althoyaib, S.S. and A. El-Taher, 2015. Natural radioactivity measurements in groundwater from Al-Jawa, Saudi Arabia. J. Radioanal. Nucl. Chem., 304: 547-552.
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  55. Alashrah, S. and A. El-Taher, 2015. Intensity modulated radiation therapy plans verification using a Gaussian convolution kernel to correct the single chamber response function of the I'mRT MatriXX array. J. Applied Sci., 15: 483-491.
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  56. Madkour, H.A., A.M. Mansour, A.E.H.N. Ahmed and A. El-Taher, 2014. Environmental texture and geochemistry of the sediments of a subtropical mangrove ecosystem and surrounding areas, Red Sea Coast, Egypt. Arab J. Geol. Sci., 7: 3427-3440.
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  57. Khater, A.E.M., A. Al-Jaloud and A. El-Taher, 2014. Quality level of bottled drinking water consumed in Saudi Arabia. J. Environ. Sci. Technol., 7: 90-106.
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  58. Emam-Ismail, M., M. El-Hagary, E. Ramadan, A. Matar and A. El-Taher, 2014. Influence of γ-irradiation on optical parameters of electron beam evaporated ZnSe1-xTex nanocrystalline thin films. Radiat. Eff. Defects Solids, 169: 61-72.
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  59. El-Turki, A. and A. El-Taher, 2014. Soil-to-plant transfer factors of naturally occurring radionuclides for selected plants growing in Qassim, Saudi Arabia. Life Sci. J., 11: 965-972.
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  60. El-Taher, A. and M.A.K Abdelhalim, 2014. Elemental analysis of limestone by instrumental neutron activation analysis. J. Radioanal. Nuclear Chem., 299: 1949-1953.
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  61. El-Taher, A. and M A.K. Abdelhalim, 2014. Elemental analysis of soils from Toshki by using instrumental neutron activation analysis techniques. J. Radioanal. Nucl. Chem., 300: 431-435.
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  62. El-Taher, A. and J.H. Al-Zahrani, 2014. Radioactivity measurements and radiation dose assessments in soil of Al-Qassim region, Saudi Arabia. Indian J. Pure Applied Phys., 52: 147-154.
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  63. El-Taher, A. and H.A. Madkour, 2014. Environmental and radio-ecological studies on shallow marine sediments from harbour areas along the Red Sea coast of Egypt for identification of anthropogenic impacts. Isotopes Environ. Health Stud., 50: 120-133.
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  64. Challan, M.B. and A. El-Taher, 2014. Analytical approach for radioactivity correlation of disc sources with HPGe detector efficiency. J. Applied Radiat. Isotopes, 85: 23-27.
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  65. Alharbi, W.R., A.G.E. Abbady and A. El-Taher, 2014. Radon concentrations measurement for groundwater using active detecting method. Wulfinia J., Vol. 21, No. 6. .
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  66. Alharbi, W.R. and A. El-Taher, 2014. Attenuation and scattering of gamma-rays through biotite rocks from Wadi Fatmah, Saudi Arabia. Wulfinia J., Vol. 21, No. 6. .
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  67. Alharbi, A. and A. El-Taher, 2014. Measurement of natural radioactivity and radiation hazard indices for dust storm samples from Qassim region, Saudi Arabia. Life Sci. J., 11: 236-241.
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  68. Alashrah, S., S. Kandaiya, N. Maalej and A. El-Taher, 2014. Skin dose measurements using radiochromic films, TLDS and ionisation chamber and comparison with Monte Carlo simulation. Radiat. Prot. Dosimetry, 162: 338-344.
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  69. Al-Hassan, A.A., A.M. Abdel-Salam and A. El-Taher, 2014. Assessment of natural radioactivity levels and heavy metals in different types of rice consumed in Qassim, Saudi Arabia. Life Sci. J., 11: 829-836.
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  70. Abdelhalim, M.A.K., M. Al-Otaibi and A. El-Taher, 2014. Assessment an accurate TLD dosimeter recommended for patients and staff working in field of radiation; The physical properties of different kinds of TLD dosimeters. Afinidad J., 80: 705-710.

  71. Mohamed, M.A.E.W., H.A. Madkour and A. El-Taher, 2013. Recent benthic foraminifera in the saline pool and its surrounding areas at Ras Shukier and Gulf of Suez, Egypt. J. Geo-Mar. Sci., 42: 293-299.
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  72. Madkour, H.A., M.A.K. Abdelhalim and A. El-Taher, 2013. Assessment of heavy metals concentrations resulting natural inputs in Wadi El-Gemal surface sediments, Red Sea coast. Life Sci. J., 10: 686-694.
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  73. El-Taher, A., H.T. Mahdy and J.H. AlZahrani, 2013. Determination of thermoluminescence kinetic parameters of bauxite by computer Glow Curve Deconvolution Method (CGCD). Life Sci. J., 10: 1475-1479.
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  74. El-Taher, A., A.A. Ibraheem and S. Abdelkawy, 2013. Elemental analysis of marble used in Saudi Arabia by different nuclear analytical techniques. Applied Radiat. Isotopes, 73: 17-20.
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  75. El-Taher, A., 2013. Analytical methodology for the determination of concentration of pollutants and radioactive elements in phosphate fertilizer used in Saudi Arabia. Indian J. Environ. Sci., 8: 71-78.
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  76. El-Taher, A. and M.A.K. Abdelhalim, 2013. Elemental analysis of phosphate fertilizer consumed in Saudi Arabia. Life Sci. J., 10: 701-708.
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  77. El-Taher, A. and H.A. Madkour, 2013. Texture and environmental radioactivity measurements of Safaga sand dunes. Indian J. Geo-Mar. Sci., 42: 35-41.
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  78. El-Taher, A. and A. Alharbi, 2013. Elemental analysis of natural quartz from Um Higlig, Red Sea Aea, Egypt by instrumental neutron activation analysis. Applied Radiat. Isotopes, 82: 67-71.
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  79. Alharbi, A. and A. El-Taher, 2013. A study on transfer factors of radionuclides from soil to plant. Life Sci. J., 10: 532-539.
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  80. Madkour, H.A., A. El-Taher, A.N. El-Hagag Ahmed, A.W. Mohamed and T.M. El-Erian, 2012. Contamination of coastal sediments in El-Hamrawein Harbour, Red Sea, Egypt. J. Environ. Sci. Technol., 5: 210-221.
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  81. El-Taher, A., 2012. Measurement of radon concentrations and their annual effective dose exposure in groundwater from Qassim area, Saudi Arabia. J. Environ. Sci. Technol., 5: 475-481.
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  82. El-Taher, A., 2012. Elemental analysis of granite by Instrumental Neutron Activation Analysis (INAA) and X-ray Fluorescence Analysis (XRF). Applied Radiat. Isot., 70: 350-354.
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  83. El-Taher, A., 2012. Assessment of natural radioactivity levels and radiation hazards for building materials used in Qassim Area, Saudi Arabia. Rom. J. Phys., 57: 726-735.
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  84. El-Taher, A. and W.R. Alharbi, 2012. Elemental analysis of hematite by instrumental neutron activation analysis. Life Sci. J., 9: 5457-5461.
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  85. El-Taher, A. and S.S. Althoyaib, 2012. Natural radioactivity levels and heavy metals in chemical and organic fertilizers used in Kingdom of Saudi Arabia. Applied Radiat. Isot., 70: 290-295.
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  86. El-Taher, A and A.G.E. Abbady, 2012. Natural radioactivity levels and associated radiation hazards in Nile River sediments from Aswan to El-Minia, Upper Egypt. Indian J. Pure Applied Phys., 50: 224-230.
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  87. El-Hagary, M., M. Emam-Ismail, E.R. Shaaban and A. El-Taher, 2012. Effect of γ-Irradiation Exposure on Optical Properties of Chalcogenide Glasses Se70S30-xSbx Thin Films. Radiat. Phys. Chem., 81: 1572-1577.
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  88. El-Taher, A., 2011. Terrestrial gamma radioactivity levels and their corresponding extent exposure of environmental samples from Wadi El Assuity protective area, Assuit, Upper Egypt. Radiat. Prot. Dosim., 145: 405-410.
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  89. El-Taher, A. and S. Makhluf, 2011. Radiological significance of Egyptian limestone and alabaster used for construction of dwellings. Indian J. Pure Applied Phys., 29: 157-161.
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  90. El-Taher, A. and H.A. Madkour, 2011. Distribution and environmental impacts of metals and natural radionuclides in marine sediments in-front of different wadies mouth along the Egyptian Red Sea Coast. Applied Radiat. Isot., 69: 550-558.
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  91. El-Taher, A., S. Makhluf, A. Nossair and A.S. Abdel Halim, 2010. Assessment of natural radioactivity levels and radiation hazards due to cement industry. J. Applied Radiat. Isotopes, 68: 169-174.
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  92. El-Taher, A., 2010. Rare earth elements content in geological samples from eastern desert, Egypt, determined by instrumental neutron activation analysis. Applied Radiation Isotopes, 68: 1859-1863.
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  93. El-Taher, A., 2010. INAA and DNAA for uranium determination in geological samples from Egypt. Applied Radiation Isotopes, 68: 1189-1192.
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  94. El-Taher, A., 2010. Gamma spectroscopic analysis and associated radiation hazards of building materials used in Egypt. Radiat. Prot. Dosimetry, 138: 166-173.
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  95. El-Taher, A., 2010. Elemental content of feldspar from Eastern Desert, Egypt, determined by INAA and XRF. Applied Radiat. Isot., 68: 1185-1188.
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  96. El-Taher, A., 2010. Elemental analysis of two Egyptian phosphate rock mines by instrumental neutron activation analysis and atomic absorption spectrometry. Applied Radiation Isotopes, 68: 511-515.
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  97. El-Taher, A., 2010. Determination of chromium and trace elements in El-Rubshi chromite from Eastern Desert, Egypt by neutron activation analysis. Applied Radiat. Isot., 68: 1864-1868.
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  98. El-Taher, A. and S. Makhluf, 2010. Natural radioactivity levels in phosphate fertilize r and its environmental implications in Assuit governorate, Upper Egypt. Indian J. Pure Applied Phys., 48: 697-702.
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  99. Afify, E.R.S.N. and A. El-Taher, 2009. Effect of film thickness on microstructure parameters and optical constants of CdTe thin films. J. Alloy Compound, 482: 400-404.
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  100. Uosif, M.A.M., A. El-Taher and A.G.E. Abbady, 2008. Radiological significance of beach sand used for climatotherapy from Safaga Egypt. J. Radiation Prot. Dosimetry, 131: 331-339.
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  101. Uosif, M.A.M. and A. El-Taher, 2008. Radiological assessment of Abu-Tartur phosphate, Western desert Egypt. J. Radiat. Prot. Dosimetry, 130: 228-235.
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  102. El-Taher, A., M.A. Uosif and A.A. Orabi, 2007. Natural radioactivity levels and radiation hazard indices in granite from aswan to wadi el-allaqi Southeastern Desert, Egypt. Radiat. Protect. Dosimetry, 124: 148-154.
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  103. El-Taher, A., H.M. Mahmoud and A.G.E. Abbady, 2007. Comparative study of attenuation and scattering of gamma-rays through two intermediate rocks. Indian J. Pure Applied Phys., 45: 198-203.
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  104. El-Taher, A., 2007. Rare-earth elements in Egyptian granite by instrumental neutron activation analysis. Applied Radiat. Isot., 65: 458-464.
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  105. El-Gamal, A., S. Nasr and A. El-Taher, 2007. Study of the spatial distribution of natural radioactivity in the upper Egypt Nile river sediments. Radiat. Meas., 42: 457-465.
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  106. El-Taher, A., M.A. Khairy and A.S.A. Halim, 2006. Elemental analysis of el-rubshi chromite from eastern desert Egypt by neutron activation analysis. Egypt. J. Phys., 37: 257-265.

  107. El-Taher, A. and M.A.M. Uosif, 2006. The assessment of the radiation hazard indices due to uranium and thorium in some Egyptian environmental matrices. J. Phys. D: Applied Phys., 39: 4516-4521.
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  108. Uosif, M.A.M. and A. El-Taher, 2005. Comparison of total experimental and theoritical absolute gamma-ray detection efficiencies of a cylinderical nai (Ti) crystal. Arab J. Nulc. Sci. Appl., 38: 357-365.

  109. Mahmoud, H.M., A.G.E. Abbady, M.A. Khairy and A. El-Taher, 2005. Multi-element determination in sandstone rock by instrumental neutron activation analysis. J. Radioanal. Nulc. Chem., 264: 715-718.
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  110. El-Taher, A., K.L. Kratz, A. Nossair and A.H. Azzam, 2005. Elemental analysis of aswan iron-ore samples by instrumental neutron activation analysis. Proceeding El-Minia International Conference Towards a Safe and Clean Environment, April 15-18, El-Minia University, El-Minia, Egypt, pp: 1-8.

  111. Abbady, A.G.E., M.A.M. Uosif and A. El-Taher, 2005. Natural radioactivity and dose assessment for phosphate rocks from Wadi El-Mashash and El-Mahamid Mines, Egypt. J. Environ. Radioactivity, 84: 65-78.
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  112. Abbady, A.G.E., A. El-Taher, A.M.M. Yousif and A. Abbady, 2005. Radioactivity in chemical and organic fertilizer used in Egypt. Arab J. Nulc. Sci. Appl., 38: 747-752.

  113. El-Taher, A., A. Nossair, A.H. Azzam, K.L. Kratz and A.S. Abdel-Halim, 2004. Determination of traces of uranium and thorium in some Egyptian environmental matrices by instrumental neutron activation analysis. Environ. Prot. Eng., 30: 19-30.
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  114. El-Taher, A., S.M. El-Bahi, A. El-Shershaby, E. Zohny, A.S. Abdel-Haleem, 2003. Trace elements in alluvial soils affected by wastewater irrigation. Environ. Prot. Eng., 29: 22-34.
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  115. El-Taher, A., K.L. Kratz, A. Nossair and A.H. Azzam, 2003. Elemental analysis of soil samples from toshki in upper Egypt by using instrumental neutron activation analysis techniques. Arab J. Nulc. Sci. Appl., 36: 521-528.
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  116. El-Taher, A., K.L. Kratz, A. Nossair and A.H. Azzam, 2003. Determination of gold in two Egyptian gold ores using instrumental neutron activation analysis. Radiat. Phys. Chem., 68: 751-755.
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  117. Mahmoud, H.M., A.S. Hok, E. Armia and A. El-Taher, 1996. Comparative study on attenuation and scattering of g-rays through sedimentary and igneous rocks. J. Radiation Res. Radiation Process., 14: 134-142.

  118. Mahmoud, H.M., A.S. Hok, E. Armia and A. El-Taher, 1995. Gamma-ray absorption and scattering coefficients for two sedimentary rocks Indian J. Pure Applied Phys., 33: 332-344.
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