Yazar "Çevik, Uğur" için listeleme
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Accumulation of metals in roadside soil, dust and pine needles in different characteristic traffic areas
Akbulut, Songül; Çevik, Uğur (Parlar Scientific Publications (P S P), 2014)Heavy metal levels and sources of contamination were investigated in different roadside locations from Ankara and Bursa metropolitan cities in Turkey. A state of the art energy dispersive X-ray fluorescence (EDXRF) ... -
Analysis of regional wild-type cereals in Trabzon-Turkey by EDXRF spectrometry
Çevik, Uğur; Genç, Hasan; Baltaş, Hasan; Ertuğral, Birol (2007)The energy dispersive X-ray fluorescence (EDXRF) spectroscopy was used to determine essential and trace element contents of some naturally grown wild-type cereals collected in different regions of Trabzon, Turkey. The ... -
Assesment of trace elements in rainbow trout (Oncorhynchus mykiss) cultured in the marine aquaculture cages on the Black Sea Coast
The concentrations of trace elements were determined in various tissues (internal organs, liver, abdominal and dorsal muscle) of individuals of cultured fishes obtained from two marine cage farms located on the coasts of ... -
Assessment of radiological levels at schools in trabzon, turkey
Çevik, Uğur; Çelik, Ahmet; Çelik, Neslihan; Özkalaycı, Fatih; Akbulut, Songül (Sage Publications, 2013)In this study, a survey on environmental radioactivity in 16 high schools located in north eastern region of Turkey (the black sea region, province of Trabzon) was carried out. Indoor air radon (222Rn) concentrations were ... -
Bio-kinetics of cesium-137 in Mediterranean mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) via seawater exposure
Baltaş, Hasan; Şirin, Murat; Çiloğlu, Erhan; Iminova, Gülnara; Çevik, Uğur (Elsevier, 2021)Accumulation and depuration kinetics in the samples of mussel (Mytilus galloprovincialis L. 1758) and sea snail (Rapana venosa (Valenciennes, 1846)) exposed to Cs-137 radioisotope via seawater exposure were investigated ... -
Bıomonıtorıng of heavy metals by moss and soıl around Afsın-Elbıstan coal-fıred power plant ın the east-medıterranean regıon of Turkey
Koz, Bahadır; Çevik, Uğur; Akbulut, Songül (Parlar Scientific Publications (P S P), 2013)This research investigated heavy metal pollution around the Afsin-Elbistan coal-fired power plant, one of the most important energy power plants in Turkey, by means of analyzing moss and soil samples collected in the ... -
Distribution of Cs-137 in the mediterranean mussel (Mytilus galloprovincialis) in Eastern Black Sea Coast of Turkey
Baltaş, Hasan; Kiriş, Erkan; Dalgıç, Göktuğ; Çevik, Uğur (Pergamon-Elsevier Science Ltd, 2016)This study presents the results of Cs-137 and K-40 radionuclide concentrations in mussel (Mytilus galloprovincialis) samples collected during the period of February-November 2014 from twelve different stations within the ... -
The effect of energy resolution of detection instrument on mass attenuation coefficient
Çelik, Necati; Özen, Songül Akbulut; Demirtaş, O. F.; Çevik, Uğur (Iop Publishing Ltd, 2018)The effect of energy resolution of two detection systems, HPGe and NaI(T1), was determined by Monte Carlo (MC) calculation on mass attenuation coefficients of magnesium (Mg) and tungsten (W). in order to reveal the energy ... -
Experimental study on copper uptake capacity in the Mediterranean mussel (Mytilus galloprovincialis)
Baltaş, Hasan; Dalgıç, Göktuğ; Bayrak, Esra Yılmaz; Şirin, Murat; Çevik, Uğur; Apaydın, Gökhan (Springer Heidelberg, 2016)To investigate the effect of different sizes, sex, and exposure time on Cu uptake capacity, mussels Mytilus galloprovincialis of different shell sizes were exposed to different Cu concentrations in different aquariums. in ... -
Gamma ray and neutron shielding properties of some concrete materials
Yılmaz, Erol; Baltaş, Hasan; Kırış, Erkan; Ustabaş, İlker; Çevik, Uğur; El-Khayatt, A.M. (Elsevier, 2011)Shielding of gamma-rays and neutrons by 12 concrete samples with and without mineral additives has been studied. The total mass attenuation and linear attenuation coefficients, half-value thicknesses, effective atomic ... -
Gross alpha and beta activities of airborne particulate samples from Wawel Royal Castle Museum in Cracow, Poland
Akbulut, Songül; Krupinska, Barbara; Worobiec, Anna; Çevik, Uğur; Taşkın, Halim; Van Grieken, Rene; Samek, Lucyna; Wilkojc, Ewa (Springer, 2013)PM-10, PM-2.5 and PM-1.0 concentrations were measured over an 8 h period at sites both inside and outside the museum of Wawel Royal Castle in Cracow, Poland. Gross alpha (alpha) and beta (beta) activities seemed to vary ... -
Heavy metal analysis around Murgul (Artvin) copper mining area of Turkey using moss and soil
Koz, B.; Çevik, Uğur; Akbulut, S. (Elsevier, 2012)This research investigates heavy metal pollution around one of the most important mining areas in Turkey, the Murgul mining, by means of analyzing moss and soil samples collected in the neighborhood of the copper mining ... -
Identification of heavy metal origins related to chemical and morphological soil properties using several non-destructive X-ray analytical methods
Akbulut, Songül; Grieken, Renevan; Kılıç, Mehmet A.; Çevik, Uğur; Rotondo, Giuliana G. (Kluwer Academic Publishers, 2013)Soils are complex mixtures of organic, inorganic materials, and metal compounds from anthropogenic sources. In order to identify the pollution sources, their magnitude and development, several X-ray analytical methods were ... -
Investigation of the dependency of the upper critical magnetic field on the content x in Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconducting structures
Çelik, Şükrü; Öztürk, K.; Çevik, Uğur; Yanmaz, E. (Elsevier, 2008)The Y1-xYbx/2Gdx/2Ba2Cu3O7-y superconducting samples for x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0 were prepared by using the solid-state reaction technique. Resistivity measurements of the samples were performed in QD-PPMS ... -
K-shell X-ray fluorescence cross-sections and intensity ratios for some pure metals at 59.5 and 123.6 keV
Çevik, Uğur; Kaya, Selim; Ertuğral, Birol; Baltaş, Hasan; Karabidak, S.M. (Elsevier, 2007)K-shell X-ray fluorescence cross-sections for some pure metals such as Cr, Fe, Co, Cu, Zn, Ga, Se, Y, Mo, Cd, In, Sn, Te, Ba, Ta, W and Bi have been theoretically and experimentally determined. The Cr, Fe, Co, Cu, Zn, Ga, ... -
An overview of the ecological half-life of the Cs-137 radioisotope and a determination of radioactivity levels in sediment samples after Chernobyl in the Eastern Black Sea, Turkey
Baltaş, Hasan; Şirin, Murat; Dalgıç, Göktuğ; Çevik, Uğur (Elsevier Science Bv, 2018)A study which determined the activity concentration of Cs-137 in sediments contaminated by effluents from the Chernobyl accident which had collected along the coast of the Eastern Black Sea region in Turkey was carried out ... -
Polarized-beam high-energy EDXRF in geological samples
Çevik, Uğur; Akbulut, Songül; Makarovska, Yaraslova; Van Grieken, Rene (0-Belirlenecek, 2013)Certified reference materials (NIST 1645, BCR 143, IAEA 7, BCR 141, NIES-CRM-02, and IAEA 375) were used for determining the performance of a secondary target energy-dispersive X-ray fluorescence (EDXRF) spectrometer, ... -
Precision and accuracy of ST-EDXRF performance for As determination comparing with ICP-MS and evaluation of As deviation in the soil media
Akbulut, Songül; Çevik, Uğur; Van, Aydın Ali; De Wael, Karolien; Van Grieken, Rene (Pergamon-Elsevier Science Ltd, 2014)The present study was conducted to (i) determine the precision and accuracy of arsenic measurement in soil samples using ST-EDXRF by comparison with the results of ICP-MS analyses and (ii) identify the relationship of As ... -
Radiological health risks assessment and antioxidant activities of beehive honeys: a case study of Manisa province, Turkey
Şirin, Murat; Baltaş, Nimet; Kanbur, Esra Demir; Özçelik, Ali Erdem; Çevik, Uğur; Baltaş, Hasan (Taylor & Francis Ltd., 2022)The physicochemical contents, antioxidant capacities, and radiological contamination levels of 20 honey samples were studied in this study to show the quality of the hive honey. Moreover, some antioxidant activities and ... -
The trace element analysis in freshwater fish species, water and sediment in Iyidere stream (Rize-Turkey)
Verep, Bülent; Mutlu, Cengiz; Apaydın, Gökhan; Çevik, Uğur (2012)Many environmental problems like dam construction, agricultural debris, flooding and industrial establishments threaten Iyidere stream (Rize, Turkey) on the southeastern coast of the Black Sea (Turkey). The trace element ...
