15 results for “Electromagnetic radiation”

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Research ArticleOpen accessIn the abstractQuantum Mechanical Calculation of the Optical Absorption of Silver and Gold Nanoparticles by Density Functional TheoryElham Gharibshahi, Elias SaionProblem statement: Metal nanoparticles confine the motion of conduction electrons and exhibit a strong optical absorption of electromagnetic radiation in the UV-vis-NIR region. The absorption is classically derived from the collective oscillations of free electrons in a metallic nanostructure as a consequence of incident electromagnetic radiation polarizing the particle optically embedded in a dielectric matrix. These oscillations, known as the … …Physics International, Vol. 1, Issue 1 · 31 Mar 2010 · 16,181 accessesView PDF Cite

Research ArticleOpen accessIn the abstractElectromagnetic Assessment on Human Safety of Mobile Communication Base Stations at University of MacauK.H. Chiang, K.W. TamAssessment of the electromagnetic exposure due to the mobile communication base station at University of Macau is presented by two testing scenarios. The first scenario about 20 in-situ measurements and the maximum E-field strength was 2.46 V/m that well below the threshold and compliant to the safety guideline. The second scenario investigates on the distance effect of exposure due to … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 6,752 accessesView PDF Cite

Research ArticleOpen accessIn the abstractInduction of Micronuclei in Mice Lymphocytes Exposed to Microwave and TolueneS. B. Mortazavi, A. Safari, A. Khavanin et al.Increasing applications of microwave radiation are of great concern with regard to public health. Several studies have been conducted detect effects of microwave exposure genetic material leading to negative or questionable results. The Micronucleus (MN) assay which is proved to be a useful method for detection of radiation exposure-induced cytogenetic damage was used in the present study to investigate the … …American Journal of Applied Sciences, Vol. 2, Issue 9 · 30 Sep 2005 · 6,614 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordDesign Analysis of An Electromagnetic Band Gap Microstrip AntennaM.S. Alam, M.T. Islam, N. MisranProblem statement: Wideband compact antenna is highly demandable due to the dynamic development in the wireless technology. Approach: A simple, compact EBG microstrip antenna is proposed in this study that covers a wideband of 250 GHz and the design is conformal with the 2.45 GHz ISM band (WLAN, IEEE 802.11b and g)/Bluetooth/RFID applications. Results: A 6×6 array of square unit … …American Journal of Applied Sciences, Vol. 8, Issue 12 · 27 Oct 2011 · 7,368 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordChange in Temperature of Skin, Blood, Muscle and Bone Tissues Due to Mobile Phone Radiations at Frequencies 800, 900, 1800 and 2450 MHzMushtaq Ahmed Bhat, Vijay KumarThe mathematical calculation of change in temperature of skin, blood, muscle and bone tissues of human being working at the frequency of 800, 900, 1800 and 2450 MHz is done in this manuscript. The power of the antenna of mobile phone is of 2 W. The calculation is made at the various depths, by taking the different distances of human … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 3 · 21 Jun 2015 · 7,353 accessesView PDF Cite