Yazar "Keser, Recep" için listeleme
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Annual effective dose and concentration levels of gross alpha and beta in Turkish market tea
Görür, Filiz Korkmaz; Keser, Recep; Akçay, Nilay; As, Nilüfer; Dizman, Serdar (Ijrr-Iranian Journal Radiation Res, 2012)Background: Tea is one of the most popular beverages all over the world which is prepared from the leaves of a shrub camellia sinensis. Eastern Black Sea Region of Turkey which account for around 100% of all tea production ... -
Assessment of human health risk from heavy metals levels in water and tissues of two trout species (Oncorhynchus mykiss and Salmo coruhensis) from the Frtna and Guneysu Rivers in Turkey
Dizman, Serdar; Görür, Filiz Korkmaz; Keser, Recep (Taylor & Francis Inc, 2017)Human health risks were evaluated from consumption of heavy metal contaminated fish from the Firtina and Guneysu Rivers in Rize. the study was aimed to assess heavy metal load in water and two fish species. the potential ... -
The assessment of radioactivity and radiological hazards in soils of Bolu province, Turkey
Dizman, Serdar; Görür, Filiz Korkmaz; Keser, Recep; Görür, Osman (Taylor & Francis Ltd, 2019)The radioactivity levels in soil samples of Bolu province of north-western Turkey have been determined. There has been no information about radioactivity measurement reported in soil samples in Bolu province so far. For ... -
A comparison of two methods used for determination of tritium concentration in urine samples by liquid scintillation counter
Dizman, Serdar; Keser, Recep (Springer Singapore Pte Ltd, 2018)Background Tritium (3H) emits low-energy beta particles with a maximum energy of 18.6 keV. Liquid scintillation counting technique (LSC) is mostly used for the detection and quantification of low-energy emitters like H-3. ... -
Determination of radioactivity levels and hazards of soil and sediment samples in Fi{dotless}rti{dotless}na Valley (Rize, Turkey)
Kurnaz, A.; Küçükömeroğlu, B.; Keser, Recep; Okumuşoğlu, Nazmi Turan; Korkmaz, F.; Karahan, G.; Çevik, U. (Elsevier, 2007)The natural radioactivity levels in soil and sediment samples of Fi{dotless}rti{dotless}na Valley have been determined. To our knowledge, there seems to be no information about radioactivity level in the Fi{dotless}rti{dotless}na ... -
Determination of radioactivity levels of soil samples and the excess of lifetime cancer risk in Rize province, Turkey
Dizman, Serdar; Görür, Filiz Korkmaz; Keser, Recep (Ijrr-Iranian Journal Radiation Res, 2016)Background: Turkey, especially the northern part of it, was one of the countries which were contaminated by the Chernobyl accident. Rize is a city located in the Northeastern district of Turkey which was heavily influenced ... -
Determination of tritium concentrations in humans before the development of a nuclear power plant in Turkey
Dizman, Serdar; Yılmaz, Adnan; Keser, Recep (Taylor & Francis Ltd, 2015)The most widely used method to determine the level of tritium in humans is testing urine. Tritium concentrations in urine samples of 100 persons aged 18-66 years selected randomly from a pilot region in Turkey were analysed. ... -
Investigation and mapping of natural and artificial radioactivity in sediment samples from Borcka Black Lake, Artvin-Turkey
Dizman, Serdar; Akdemir, Tolga; Yeşilkanat, Cafer Mert; Nevruzoğlu, Vagif; Bal, Esra; Keser, Recep (Taylor & Francis Ltd., 2022)All living creatures in nature are constantly exposed to ionising radiation, which is emitted from natural and artificial radiation sources. For this reason, it is important to monitor the levels of radioactivity in living ... -
Microscopic study of Ca + Ca fusion
Keser, Recep; Umar, A.S.; Oberacker, V.E. (American Physical Society, 2012)We investigate the fusion barriers for reactions involving Ca isotopes 40Ca+40Ca, 40Ca+48Ca, and 48Ca+48Ca using the microscopic time-dependent Hartree-Fock (TDHF) theory coupled with a density constraint. In this formalism ... -
Natural radioactivity in ceramic tiles and associated radiological hazards
Dizman, Serdar; Keser, Recep (Ijrr-Iranian Journal Radiation Res, 2019)Background: the natural radioactivity levels in ceramic tiles produced in Turkey were determined and the related radiological hazards were assessed. Materials and Methods: the natural radioactivity levels (Ra-226, Th-232 ... -
Radioactivity and heavy metal concentrations in food samples from Rize, Turkey
Görür, Filiz Korkmaz; Keser, Recep; Akçay, Nilay; Dizman, Serdar; As, Nilüfer; Okumuşoǧlu, Nazmi Turan (Wiley, 2012)BACKGROUND: Rize in Turkey was contaminated by the Chernobyl accident in 1986. A comprehensive study was planned and carried out to determine the radioactivity levels and heavy metal concentrations in four food categories ... -
Radioactivity and heavy metal concentrations in various honey samples
Altekin, Emel; Dizman, Serdar; Keser, Recep (Scibulcom Ltd, 2015)In this study, the contents of natural radionuclide K-40 and fission product Cs-137 in floral honey samples from Rize and some other cities in Turkey, were investigated. the results indicated that 80% of honey samples were ... -
Radiometric mapping and radiation dose assessments in sediments from Savsat Black Lake, Turkey
Dizman, Serdar; Akdemir, Tolga; Yeşilkanat, Cafer Mert; Nevruzoğlu, Vagif; Bal, Esra; Keser, Recep (Springer, 2022)In this study, natural and artificial radioactivity concentrations in sediment samples taken from Savsat Black Lake located on the Nature Park in Artvin were determined using a high purity germanium detector. It was ... -
Radionuclide concentration in tea, cabbage, orange, kiwi and soil and lifetime cancer risk due to gamma radioactivity in Rize, Turkey
Keser, Recep; Görür, Filiz Korkmaz; Akçay, Nilay; Okumuşoǧlu, Nazmi Turan (Wiley, 2011)BACKGROUND: In this study, the activity concentrations of 232Th, 238U, 40K and 137Cs were measured in tea, cabbage, orange, kiwi and soil samples collected from different stations using gamma spectrometry with a high-purity ... -
Radionuclides and heavy metals concentrations in Turkish market tea
Korkmaz Görür, Filiz; Keser, Recep; Akçay, Nilay; Dizman, Serdar; Okumuşoğlu, Nazmi Turan (Elsevier, 2011)Tea is one of the most popular beverages in the world. The Eastern Black Sea Region of Turkey is one of the main tea producers in Turkey and the fifth in the world. Thus, the chemical components in tea have received great ... -
Tritium contents in drinking and surface seawaters before the nuclear power plant planned in Sinop (Türkiye) and their radiological risks on human population
Dizman, Serdar; Aşık, Feyza Zeynep; Özçelik, Ali Erdem; Keser, Recep; Görür, Filiz Korkmaz (IWA Publishing, 2023)This studyãims to determine the background levels of tritium radioisotope in drinkingãnd seawater samples of Sinop province before the nuclear power plant was established in Sinop. In this context,ã total of 174 water ...
