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18 results for “gamma irradiation”
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Research ArticleOpen accessPhrase in the titleApplication of Gamma irradiation in treatment of Waste Activated Sludge to Obtain Class a BiosolidsMohammed I. AL-Ghonaiem, Abdelnasser Salah Shebl Ibrahim, Ali Abdullah Al-SalamahProblem statement: The main objective of the current study was investigation of the possible application of Gamma irradiation for treatment of the activated sludge generated wastewater treatment stations, to achieve the standard requirements in term of pathogens content. Approach: Activated sludge samples were collected from Riyadh wastewater plant and analyzed quantitatively for the presence of important bacterial parameters including fecal … …American Journal of Environmental Sciences, Vol. 6, Issue 6 · 31 Dec 2010 · 7,006 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleGamma Irradiation Synthesis and Influence the Optical and Thermal Properties of Cadmium Sulfide (CdS)/Poly (Vinyl Pyrolidone) NanocompositesShawkat Salameh Gasaymeh, Shahidan Radiman, Lee Yook Heng, Elias SaionProblem statement: Gamma irradiation has been successfully used to prepare a spherical cadmium sulfide CdS/Poly Vinylpyrolidone (PVP) quantum dots nanoparticles with enhancement of their optical band gap energy and thermal properties at room temperature and under ambient pressure. Sodium thiosulfate was used as a sulfur source in an aqueous solution. The formation of lower band gap energy of CdS/PVP nanoparticles … …American Journal of Applied Sciences, Vol. 7, Issue 4 · 30 Apr 2010 · 8,459 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleChanges in Flower Development, Chlorophyll Mutation and Alteration in Plant Morphology of Curcuma alismatifolia by Gamma IrradiationThohirah Lee Abdullah, Johari Endan, B. Mohd NazirProblem statement: Curcuma alismatifolia Gagnep., commonly known as 'Thai tulip' or pathumma is a member of the family Zingiberaceae. This herbaceous perennial which can be grown from rhizomes have a great potential for use as a cut flower, flowering potted plant and as a garden plant for tropical landscaping. Unlike other bulbous floral crops, research on C. alismatifolia using gamma … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 8,437 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleSynthesis and Characterization of Silver/Polyvinilpirrolidone (Ag/PVP) Nanoparticles Using Gamma Irradiation TechniquesShawkat Salameh Gasaymeh, Shahidan Radiman, Lee Yook Heng et al.Problem statement: In this study, attempts had been made to synthesize silver (Ag)/Poly Vinylpyrolidone (PVP) nanoparticles by ionizing radiation and at the same time overcoming some of the disadvantages previously reported by other methods such as impurities, solvent toxicity, size and distribution control and difficulty in their preparation that limits their commercialization potential. Approach: The use of this alternative method … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 9,962 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleFormation Mechanism and Characterization of PANI Nanoparticles by Hybrid Chemical and Gamma Irradiation TechniqueShawkat Salameh GasaymehHere we present additional data regarding specific doping process in nanoparticle samples of PANI. In such technique, the ionizing γ-irradiation and (dodecylbenzenesulfonic acid), DBSA were being used as dopants and as accelerators to the oxidizing agent to polymerize aniline monomer into conductive PANI Emeraldine Salt (ES), in which PANI was produced from its monomer by this noble methodology by a … …American Journal of Applied Sciences, Vol. 15, Issue 12 · 13 Feb 2019 · 8,381 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleDevelopment and Cultivation of Local Kidney Bean (Phaseolus Vulgaris L) Through Breeding to use Multi gamma Irradiation Technique (Nuclear)Bartholomeus Pasangka, ReflyMutation on the all species of plant were generally caused by gamma or multi gamma radiation sources. The largest effect of that was occurred on chromosome and genetic factor, specially on structure and composition of chromosome and Deoxyribo Nucleic Acid (DNA). This case can be used for breeding of several important plants in Agricultural science. The objectives of this research … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 3 · 24 Sep 2016 · 8,119 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Gamma Irradiation on the Structure Diffusion Coefficient of Co-Zn Doped FerriteDalal Mohammed HemedaA series of the ferrite system Co0.6Zn0.4MnxFe2-xO4 with (x = 0.7, 0.8, 0.9 and 1) were prepared by general ceramic method. The X-ray diffraction patterns confirmed the formation of the cubic single phase structure. The lattice parameter and the crystal size increased after irradiation which was attributed to the formation of ferrous ions of larger radius than that of ferrous … …American Journal of Applied Sciences, Vol. 2, Issue 5 · 31 May 2005 · 6,728 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHE ELECTRICAL PROPERTIES OF Mg-Cu-Zn FERRITES IRRADIATED BY γ-RAYS OF 60Co SOURCEMohamed Eltabey, H. Ebrahim Hassan, Ismail Abd Elrahim AliFerrite samples with chemical formula MgxCu0.5-xZn0.5Fe2O4 (x = 0.0, 0.2 and 0.4) was prepared by the conventional ceramic method. The enhanced changes in the dc/ac resistivity and the dielectric constant due to γ-rays irradiation by 60Co source were measured using the two probes technique. The samples showed decreasing of their resistivity at room temperature after irradiation for both dc and … …American Journal of Applied Sciences, Vol. 11, Issue 1 · 10 Dec 2013 · 7,478 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluence of Ionizing Radiation on Antioxidant Enzymes in Three Species of TrigonellaMuna M. Al-Rumaih, May M. Al-RumaihThe response of three species of Trigonella, namely, Trigonella stellata, Trigonella hamosa and Trigonella anguina to gamma irradiation stress was investigated with respect to antioxidant enzyme induction. When dry seeds were subjected to gamma rays (0, 40, 60, 80, 100 Krad) from a cobalt source 60Co at a dose rate of 233.5 rad/ min, a dose dependent increase in the … …American Journal of Environmental Sciences, Vol. 4, Issue 2 · 30 Apr 2008 · 8,404 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluence of Drought Stress on Growth and Yield of Soybean (Glycine max L.) Genotypes in Northern GhanaIsaac Kwahene Addai, Alhassan Bawa, Maganoba CharlesStudies on induced mutation were conducted and the results indicated that stable, but desirable soybean mutant genotypes with improved agronomic traits have been produced. A series of evaluations of these mutant genotypes had earlier on been carried out and high-yielding ones such as 150, 200, 250, and 300 Gy have been identified. In the present study, the above genotypes were … …American Journal of Agricultural and Biological Sciences, Vol. 18, Issue 1 · 1 Jun 2023 · 6,777 accessesView PDFCite