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.Validation of a NaI(Tl) and LaBr3(Ce) detector's models via measurements and Monte Carlo simulations
Publication date: Available online 19 June 2018Source: Journal of Radiation Research and Applied SciencesAuthor(s): I. Mouhti, A. Elanique, M.Y. Messous, B. Belhorma, A. BenahmedAbstractThis work relates to the study and characterization of the response function of two scintillation detectors with similar size: 2″×2″ NaI(Tl) and 2″×2″ LaBr3(Ce). The photon detection efficiency and energy resolution curve were measured for the NaI(Tl) detector in the gamma energy range from 60 keV to 1408 keV. A precise mathematical model of the two scintillators was developed using the Monte Carlo simulation code MCNP. Compar...
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
Larvicidal potential of irradiated myco-insecticide from Metarhizium anisopliae and larvicidal synergistic effect with its mycosynthesized titanium nanoparticles (TiNPs)
This study provided the first report of the synergistic effect between irradiated M. anisopliae and their mycosynthesized TiNPs. Such a combination could represent an effective approach for reducing the likelihood of increased insect resistance to entomopathogenic fungi. (Source: Journal of Radiation Research and Applied Sciences)
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
New approach for antimicrobial activity and bio-control of various pathogens by biosynthesized copper nanoparticles using endophytic actinomycetes
Publication date: Available online 19 June 2018Source: Journal of Radiation Research and Applied SciencesAuthor(s): Saad EL-Din Hassan, Salem S. Salem, Amr Fouda, Mohamed A. Awad, Mamdouh S. El-Gamal, Abdullah M. AbdoAbstractThe biosynthesis of nanoparticles by microorganisms especially endophytic species isolated from medicinal plant are the prime concern of researchers. In the present study, a novel, non-toxic, eco-friendly copper nanoparticles was biosynthesized by endophytic actinomycetes isolate Ca-1 and optimization processes have been endeavored. The endophytic actinomycete Streptomyces capillispiralis Ca-1, was iso...
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
Heat production rate from radioactive elements of granite rocks in north and southeastern Arabian shield Kingdom of Saudi Arabia
Publication date: Available online 21 June 2018Source: Journal of Radiation Research and Applied SciencesAuthor(s): Adel G.E. Abbady, A.H. Al-GhamdiAbstractDetermining the temperature distribution within the lithosphere requires the knowledge of the radiogenic heat production (RHP) distribution within the crust and the lithospheric mantle. RHP of crustal rocks varies considerably at different scales as a result of the petrogenetic processes responsible for their formation and therefore RHP depends on the considered lithologies. Radioactive heat-production data of granites in north and south-eastern Arabian shield Kingdom o...
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
Evaluation of metallic implant artifact on photon beam calculation algorithms using a CIRS thorax phantom
Publication date: Available online 27 June 2018Source: Journal of Radiation Research and Applied SciencesAuthor(s): George Felix Acquah, Philip Oppong Kyeremeh, Francis Hasford, Mary Boadu, Edem Kwablah Sosu, Samuel InkoomAbstractThe aim of this study was to evaluate the effect of metallic artifact on radiation dose calculations for patients with metallic implants and to find ways in reducing the errors associated with actual dose delivered. The error margin in dose calculations using two different treatment planning system (TPS), Collapsed Cone (CC) and Pencil Beam (PB) calculation algorithms and dose measurements in a CI...
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
Estimating natural radiation exposure from building materials used in Sri Lanka
Publication date: Available online 6 July 2018Source: Journal of Radiation Research and Applied SciencesAuthor(s): P.A.R.P. Kumara, Prasad Mahakumara, Anuruddha Jayalath, C.P. JayalathAbstractIn this work, the natural radioactivity levels of several building materials used in Sri Lanka, were determined in terms of Bq kg−1, and to calculate the radiological effects caused by this radioactivity. Activity concentrations of 226Ra, 232Th and 40K in eighteen samples of manufactured building materials were measured using gamma spectroscopy based on high purity germanium detector with an efficiency of 48% at 1332.5 keV. The me...
Source: Journal of Radiation Research and Applied Sciences - July 10, 2018 Category: Physics Source Type: research
Physico-chemical study of new ruthenium(III), Pd(II) and Co(II) complexes, DNA binding of Pd(II) complex and biological applications
Publication date: Available online 14 April 2017Source: Journal of Radiation Research and Applied SciencesAuthor(s): Samar A. AlyAbstractNew series of ruthenium(III), Pd(II) and Co(II) complexes of thiosemicarbazone ligands were prepared and characterized. It has been inferred method of bonding and general geometry of the complexes through FTIR, UV–Vis, 1H NMR spectroscopic studies, molar conductivity, magnetic, thermal and elemental analysis. On the basis of the above studies, it has suggested that the tetrahedral geometry for Ru(III), Co(II) complexes and square planar geometry for Pd(II)complex. Fluorescence binding o...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Evaluation of mean glandular dose and assessment of the risk of radiation induced carcinogenesis in women following screening mammography in a low resource setting
Publication date: Available online 23 July 2017Source: Journal of Radiation Research and Applied SciencesAuthor(s): William O. Chijoke, Adenike T. Adeniji-Sofoluwe, Norbert N. Jibiri (Source: Journal of Radiation Research and Applied Sciences)
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Efficiency of energy conversion and growth of gamma irradiated embryos and young seedlings of Triticum monococcum L. cultivar Einkorn
Publication date: January 2018Source: Journal of Radiation Research and Applied Sciences, Volume 11, Issue 1Author(s): Eben von Well, Annabel Fossey, Mardé BooyseAbstractThe study was conducted to determine whether the efficiency of energy conversion into growth can be used as an indicator for the determination of the optimal gamma irradiation dosage for mutation breeding. To meet this objective, embryo growth, shoot growth, root growth, mobilization of food reserves, respiration and energy conversion were studied in gamma-irradiated wheat Triticum monococcum L. cultivar Einkorn kernels. Kernels were exposed to 50, 150, 2...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Radioprotective and immunomodulatory effects of Mesua ferrea (Linn.) from Western Ghats of India., in irradiated Swiss albino mice and splenic lymphocytes
In this study, Mesua ferrea methanolic (MfM) or aqueous extracts (MfA) significantly protected pBR322 DNA against radiation induced strand breaks. Both the extracts significantly offered protection against radiation-induced apoptosis as indicated by propidium iodide staining and DNA ladder assay. MfM or MfA significantly scavenged radiation derived free radicals indicating their antioxidant potential. MfM or MfA were orally administered to Swiss albino mice at 250 or200 mg/kg body weight respectively for 7 days. The study showed significant increase in the levels of glutathione, and activities of endogenous antioxidant e...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Bio-degradation of Bisphenol A by Pseudomonas aeruginosa PAb1 isolated from effluent of thermal paper industry: Kinetic modeling and process optimization
Publication date: January 2018Source: Journal of Radiation Research and Applied Sciences, Volume 11, Issue 1Author(s): V. Vijayalakshmi, P. Senthilkumar, K. Mophin-Kani, S. Sivamani, N. Sivarajasekar, S. VasantharajAbstractA bacterium isolated from effluent of thermal paper industry and identified as Pseudomonas aeruginosa (PAb1) based on 16SrRNA gene sequence analysis which could grow on basal mineral salt medium upon bisphenol A, which functions as an exclusive carbon source. Physicochemical variables of thermal paper industry effluent noted were significantly greater than the typical limit due to pollution of the acquir...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Natural radioelement concentrations in fertilizers and the soil of the Mila region of Algeria
Publication date: January 2018Source: Journal of Radiation Research and Applied Sciences, Volume 11, Issue 1Author(s): Amina Bramki, Mourad Ramdhane, Fatima BenrachiAbstractThe addition of inorganic fertilizers to treat crop soil and increase its production has become a necessity and a tool used around the world. These fertilizers contain different quantities of uranium and thorium. Therefore, tons of radionuclides from natural radioactive series U238, U235 and T232h are dispersed in the environment due to a high use of fertilizer in agriculture. In this work, the radioactivity levels were determined in two fertilizers and...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Evaluation of advanced medical imaging services at Governmental Hospitals-Gaza Governorates, Palestine
Publication date: January 2018Source: Journal of Radiation Research and Applied Sciences, Volume 11, Issue 1Author(s): K.M. Abushab, M.D. Suleiman, Y.S.M. Alajerami, S.I. Alagha, M. ALnahal, A. Najim, M. NaserAbstractMedical imaging services are the key tool to diagnose many diseases and have an important role in monitoring treatment and predicting outcome. The current study conducted to evaluate advanced medical imaging services (CT and MRI) at Governmental Hospitals-Gaza Governorates, Palestine. Triangulated study design was used (checklist, questionnaire and key informant interview). The researcher used arbitrated check...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
Preparation of La2Zr2O7 ceramic from Egyptian black sand
Publication date: January 2018Source: Journal of Radiation Research and Applied Sciences, Volume 11, Issue 1Author(s): Mohammed Y. Elkady, Ashraf A. Mohmed, A.M.E. Daher, Wafaa H. Saleh, S. Negm, H. MashaalAbstractLanthanum 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 30...
Source: Journal of Radiation Research and Applied Sciences - July 5, 2018 Category: Physics Source Type: research
