Journal of Radiation Research and Applied Sciences 
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This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.Radiation exposure to dwellers due to naturally occurring radionuclides found in selected commercial building materials sold in Nigeria
Publication date: Available online 1 March 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): O. Maxwell, O.O. Adewoyin, E.S. Joel, C.O. Ehi-Eromesele, S.A. Akinwumi, M.R. Usikalu, C.P. Emeike, Z. Embong, M. Hassaina The activity concentration of 226Ra, 232Th and 40 K was measured in commonly building materials used in Nigeria from commercial supplier using High Purity Germanium Gamma (HPGe) detector. The mean activity concentrations in the samples were found to be 51.5 ± 9.3, 72.46 ± 17.65 and 217.05 ± 44.31 Bqkg−1 for 226Ra, 232Th and 40 K respectively. The highest r...
Source: Journal of Radiation Research and Applied Sciences - March 2, 2018 Category: Physics Source Type: research
Determination of dose delivery accuracy and image quality in full - Field digital mammography
Publication date: Available online 1 March 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): E.K. Sosu, M. Boadu, S.Y. Mensah Accuracy of dose delivered, image quality and some technical parameters of the Fujifilm – Amuletf full field digital mammography X-ray equipment has been undertaken. The study was conducted to review the overall condition of the first full – field digital mammography equipment in Ghana with the aim of optimizing mammography practice. Quality control assessment and Mean glandular dose estimation was performed using the International Atomic Energy Agency Human Health S...
Source: Journal of Radiation Research and Applied Sciences - March 2, 2018 Category: Physics Source Type: research
Effects of gestational hypertension in the pulsatility index of the middle cerebral and umbilical artery, cerebro-placental ratio, and associated adverse perinatal outcomes
Publication date: Available online 21 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): Hind H. Abdelwahid, Babiker A. Wahab, Mustafa Z. Mahmoud, Ahmed Abukonna, Elsir Ali Saeed Taha This paper reports the effects of gestational hypertension in the pulsatility index (PI) of umbilical artery (UA) and middle cerebral artery (MCA), cerebro-placental ratio (CPR), and associated adverse perinatal outcomes, after 20 to 40 weeks’ gestation in singleton pregnancy. A total of 280 pregnant women, divided equally into control and gestational hypertension groups, were recruited prospectively. ...
Source: Journal of Radiation Research and Applied Sciences - February 21, 2018 Category: Physics Source Type: research
Nano-modification of polyamide thin film composite reverse osmosis membranes by radiation grafting
Publication date: Available online 18 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): M.B. El-Arnaouty, A.M. Abdel Ghaffar, M. Eid, Maysara E. Aboulfotouh, N.H. Taher, El-Sayed Soliman Radiation synthesis of reverse osmosis membranes were carried out by grafting of N-Isopropyl acrylamide (NIPAM) and ZnO nanoparticles incorporation onto polyamide thin film composite reverse osmosis membranes PA(TFC). The effect of monomer concentration, radiation time and concentration of ZnO nanoparticles on the grafting percent were investigated. The properties of the prepared grafted reverse osm...
Source: Journal of Radiation Research and Applied Sciences - February 18, 2018 Category: Physics Source Type: research
Evaluation of the synergistic effect of gamma irradiated Steinernema scapterisci and soil depth in controlling Bactrocera zonata Saunders (Diptera: Tephritidae)
Publication date: Available online 12 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): R.M. Sayed, N.F. Zahran, A.F. Hamza The Peach fruit fly, Bactrocera zonata (Saunders) is a serious devastating pest in Egypt. This pest spends in soil from full grown larvae till adult emergence. Therefore, the present study was planned to evaluate the pathogenicity of Steinernema scapterisci against larvae and 1 day old pupae (at different soil depths), and to investigate the effect of gamma radiation on its virulence. The results revealed that adult emergence percentage decrease as the soil depth ...
Source: Journal of Radiation Research and Applied Sciences - February 13, 2018 Category: Physics Source Type: research
Pair production contribution effect on the calculation of gamma ray dose buildup factor for water and graphite in the energy range (4 –10) MeV
Publication date: Available online 5 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): Laith A. Al-Ani, Hanan Mohammed Jawad Gamma ray buildup factor for two shielding materials, water (Zeff = 7.42) and graphite (Z = 6) for isotropic plane source normally incident within the energy range 4–10 MeV and up to 5 thickness mean free path has been studied. This research has been achieved by writing a simulation computer program in (Visual Basic language version G) and applied depending on Monte Carlo simulation method. The contribution of annihilation effect on the calculation of ...
Source: Journal of Radiation Research and Applied Sciences - February 6, 2018 Category: Physics Source Type: research
Radiological assessment of wastewater treatment processes based on the use of coal ashes as a filters
Publication date: Available online 1 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): L. Taoufiq, A. Laamyem, A. Boukhair, E. Essediqi, M. Monkade, A. Zrabda Coal Fly Ash and Coal Bottom Ash are a solid waste generated from coal combustion. Recently, the management of these wastes has become an important subject for environmental researchers. Due to their physical and chemical characteristics, coal ashes were used in different fields like building material, agriculture and wastewater treatment. In the present investigation, a radiological assessment of Waste Water Treatment Plant (...
Source: Journal of Radiation Research and Applied Sciences - February 2, 2018 Category: Physics Source Type: research
Spectrophotometric properties of azo dye metal complex and its possible use as radiation dosimeter
Publication date: Available online 2 February 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): S.M. Gafar, M.A. El-Kelany, S.R. El-Shawadfy The current work describes the physico-chemical studies of two dosimetry systems. Aqueous solution of 1, 5 diphenyl carbazone (DPC) incorporating with chromium (III) to form a colored azo dye metal complex in two methods liquid and gel. Under the effect of γ-irradiation, the colored complex undergoes visual color change from red to colorless. The prepared complex can be used as a dosimeter and applicable in dose range 0.2–6; 0.02–1 kGy for both dosi...
Source: Journal of Radiation Research and Applied Sciences - February 2, 2018 Category: Physics Source Type: research
Exploitation of Parthenium hysterophorous biomass as low-cost substrate for cellulase and xylanase production under solid-state fermentation using Talaromyces stipitatus MTCC 12687
Publication date: Available online 11 January 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): Amit Kumar Bharti, Amit Kumar, Alok Kumar, Dharm Dutt To make the enzyme production process appreciably inexpensive in respect of SSF, use of economical substrates is of great interest. Out of total eight employed solid substrate, Parthenium hysterophorous biomass exhibited its potential and displayed maximum endoglucanase (30 IU/gds), xylanase (582 IU/gds) and FPase (2.86 FPU/gds) activities. During optimization of cultural parameters, Talaromyces stipitatus MTCC 12687 produced maximum endoglucanas...
Source: Journal of Radiation Research and Applied Sciences - January 13, 2018 Category: Physics Source Type: research
Study of the effect of irradiation (60Co) on M1 plants of common bean (Phaseolus vulgaris L.) cultivars and determined of proper doses for mutation breeding
The objective of this study is to determine the morphological changes and the proper dose of gamma irradiation for the mutation breeding program of common bean (Phaseolus vulgaris L.). The effects of different doses (100, 150, 200, 250, 300, 350, 400, 450 and 500 Gy) of gamma irradiation (60Co) on seedling growth parameters and survival rates of the plants were investigated. In order to determine the proper dose and morphological changes; shoot length, root length, shoot fresh weight, shoot dry weight, root fresh weight, root dry weight, stem diameter, leaf width, leaf length, chlorophyll index and number of survival pla...
Source: Journal of Radiation Research and Applied Sciences - January 13, 2018 Category: Physics Source Type: research
Depleted uranium residues, NORMs and 137Cs in the coastal zone soil of Musandam Peninsula, Hurmuz strait region, Sultanate of Oman
Publication date: Available online 8 January 2018 Source:Journal of Radiation Research and Applied Sciences Author(s): Ibrahim H. Saleh Musandam peninsula located at one of the most important marine strait overlooking the Arabian/Parisian Gulf. Environmentally, this area is characterized by its primitivistic status and vulnerable to any natural or manmade disturbances. This work presents the second phase of a comprehensive radiation measurement in Musandam Peninsula environment amid to investigating the presences of depleted uranium (DU) residues and assessing the current levels of 226Ra, 228Ra, 40K and 137Cs in surface...
Source: Journal of Radiation Research and Applied Sciences - January 8, 2018 Category: Physics Source Type: research
Preparation of La2Zr2O7 ceramic from Egyptian black sand
Publication date: Available online 19 December 2017 Source:Journal of Radiation Research and Applied Sciences Author(s): Mohammed Y. Elkady, Ashraf A. Mohmed, A.M.E. Daher, Wafaa H. Saleh, S. Negm, H. Mashaal Lanthanum zirconates has been suggested as a thermal barrier coating for many high temperature applications. This work is focusing on the possibility of La2Zr2O7 from economic natural resources using Egyptian monazite and zircon. For this purpose, the prepared product of monazite REEs concentrate was subjected to Ce separation by its oxidation and precipitation as Ce (IV) at pH 3 with contact time 15 min and...
Source: Journal of Radiation Research and Applied Sciences - December 19, 2017 Category: Physics Source Type: research
Alloying effect on K shell X-ray fluorescence cross-sections and yields in Ti-Ni based shape memory alloys
Publication date: Available online 16 December 2017 Source:Journal of Radiation Research and Applied Sciences Author(s): Bünyamin Alım, İbrahim Han, Lütfü Demir K shell X-ray fluorescence cross-sections (σ Kα , σ Kβ and σ K ), and K shell fluorescence yields (ω K ) of Ti, Ni both in pure metals and in different alloy compositions (TixNi1-x; x = 0.3, 0.4, 0.5, 0.6, 0.7) were measured by using energy dispersive X-ray fluorescence (EDXRF) technique. The samples were excited by 22.69 keV X-rays from a 10 mCi Cd-109 radioactive point source and K X rays emitted by samples were counted by a high resolution Si...
Source: Journal of Radiation Research and Applied Sciences - December 16, 2017 Category: Physics Source Type: research
Investigation of alloying effects on XRF parameters of 3d transition metals in Permendur49, Kovar and Ti50Co50 alloys
Publication date: Available online 15 December 2017 Source:Journal of Radiation Research and Applied Sciences Author(s): Bünyamin Alım, Mine Uğurlu, İbrahim Han, Lütfü Demir The alloying effects on X-ray fluorescence (XRF) parameters such as K shell fluorescence cross-sections (σ Kα , σ Kβ and σ K ), K shell average fluorescence yields (ω K ) and K to L shell vacancy transfer probabilities (η KL ) of V, Ti, Fe, Co and Ni 3d transition metals in Permendur49 (Fe49Co49V2), Kovar (Fe54Ni29Co17) and Ti50Co50 alloys have been carried out by X-ray fluorescence studies. K X-ray intensity ratios of these 3d trans...
Source: Journal of Radiation Research and Applied Sciences - December 15, 2017 Category: Physics Source Type: research
Evolution of Robot-assisted ultrasound-guided breast biopsy systems
This study was designed to provide a literature review of a robotic US-guided breast biopsy system to delineate its efficacious impact on current medical practice. In addition, the strengths and limitations of this approach were also addressed. Articles published in the English language between 2000 and 2016 were appraised in this review. A wide range of systems that bind robotics with US imaging and guided breast biopsy were examined in this article. The fundamental safety and real-time imaging capabilities of US, together with the accuracy and maneuverability of robotic devices, is clearly an effective association with u...
Source: Journal of Radiation Research and Applied Sciences - December 12, 2017 Category: Physics Source Type: research
