Browsing by Author "Şirin, Murat"
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Acute copper accumulation in Mediterranean mussel and sea snail
Şirin, Murat; Çiloğlu, Erhan; Baltaş, Hasan (Taylor & Francis Inc., 2021)In this study, the rate of copper accumulation in mussel (Mytilus galloprovincialis) and sea snail (Rapana venosa) organisms exposed to acutely different non-lethal copper concentrations was investigated for 5 days under ... -
Artifacts in cranial MRI caused by extracranial foreign bodies and analysis of these foreign bodies
Kayacı, Selim; Tabak, Ahmet; Durur-Subaşı, Irmak; Eldeş, Tuğba; Köksal, Vaner; Şirin, Murat; Arslan, Yusuf Kemal (Wolters Kluwer Medknow Publications, 2019)Purpose: the purpose of our study was to conduct a chemical analysis of extracranial foreign bodies (FBs) causing artifacts in cranial magnetic resonance imaging (MRI) and to investigate the association between chemical ... -
Assessment of metal concentrations (Cu, Zn, and Pb) in seawater, sediment and biota samples in the coastal area of Eastern Black Sea, Turkey
Baltaş, Hasan; Şirin, Murat; Dalgıç, Göktuğ; Bayrak, Esra Yılmaz; Akdeniz, Aysel (Pergamon-Elsevier Science Ltd, 2017)This study investigated the contents of Cu, Zn and Pb in seawater, sediment, different shell sizes of mussel (Mytilus galloprovinciaIis) and sea snail (Rapana venosa) samples collected from four different provinces of the ... -
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 ... -
A case study on pollution and a human health risk assessment of heavy metals in agricultural soils around Sinop province, Turkey
Baltaş, Hasan; Şirin, Murat; Gökbayrak, Emre; Özçelik, Ali Erdem (Pergamon-Elsevier Science Ltd, 2020)In the present study, the concentration levels of heavy metals such as Cr, Fe, Ni, Cu, Zn, As and Pb in soil samples collected from 88 sampling locations around Sinop Province, Turkey were measured using energy dispersive ... -
Determination of natural radioactivity levels of some concretes and mineral admixtures in Turkey
Baltaş, Hasan; Kiriş, Erkan; Ustabaş, İlker; Yılmaz, Esra; Şirin, Murat; Kuloğlu, Emrah; Güneş, Banu Erdoğan (Asian Journal of Chemistry, 2014)Nine concrete samples with or without mineral admixtures have been analyzed for their naturally occurring radionuclide of Ra-226, Th-232 and K-40 using HPGe gamma spectrometry. Also, concrete raw materials such as aggregate, ... -
Determination of natural radionuclides and some metal concentrations in human tooth samples in the Rize province, Turkey
Baltaş, Hasan; Şirin, Murat; Şenel, Firdevs; Devran, Fatih (Taylor & Francis Ltd, 2019)The main purpose of this study was to identify the concentrations of naturally occurring radionuclides (Ra-226, Th-232 and K-40) and some metals (Fe, Ni, Cu, Zn, Pb and Cd) in tooth samples collected from humans living in ... -
Determination of radioactivity levels and heavy metal concentrations in seawater, sediment and anchovy (Engraulis encrasicolus) from the Black Sea in Rize, Turkey
Baltaş, Hasan; Kiriş, Erkan; Şirin, Murat (Pergamon-Elsevier Science Ltd, 2017)Seawater, sediment and fish (anchovy) samples consumed in the Rize province of the Eastern Black Sea region of Turkey were collected from five different stations. the radioactivity levels (Ra-226, Th-232. K-40 and Cs-137) ... -
Determination of radiological hazard parameters in sea snails (Rapana venosa) in the East Black Sea Coast of Turkey
Dalgıç, Göktuğ; Kırış, Erkan; Baltaş, Hasan; Şirin, Murat (Pergamon-Elsevier Science Ltd, 2018)The aim of this study was to determine the activity concentrations and radiological hazard parameters of Cs-137 and K-40 in soft tissue samples of sea snails (Rapana venosa) collected from 12 different stations in the East ... -
Doğu Karadeniz'de sediment örneklerinde 137Cs radyoizotopunun deneysel ekolojik ömür tayini ve bazı ağır metal konsantrasyonlarının belirlenmesi
Şirin, Murat (Recep Tayyip Erdoğan Üniversitesi / Fen Bilimleri Enstitüsü / Fizik Anabilim Dalı, 2018)Bu çalışmada, 22 yıl önce Doğu Karadeniz kıyısı boyunca yapılan çalışmadaki aynı örnekleme noktalarından (15 istasyon) toplanan sediment örneklerinde radyoaktivite seviyeleri ve bazı ağır metallerin (Mn, Fe, Ni, Cu, Zn, ... -
Ecological structure: production of organic impregnation material from mussel shell and combustion
Tan, Hüseyin; Şirin, Murat; Baltaş, Hasan (Assc Brasil Polimeros, 2022)In the research, sea mussel shell (Chamelea gallina) powders were impregnated on the samples of Eastern spruce (Picea orientalis (L.) Link.) and Anatolian chestnut (Castanea sativa Mill.) by dipping method at different ... -
Effect of annealing temperature on K-shell X-ray fluorescence parameters of zinc oxide thin films prepared by the sol-gel method
Şirin, Murat; Baltaş, Hasan; Kiriş, Erkan; Keskenler, Eyüp Fahri (Taylor & Francis Inc, 2019)Zinc oxide thin films were grown on a glass substrate by a sol-gel process using a spin-coating technique. the obtained thin films were annealed between 350 degrees C and 550 degrees C in 50 degrees C steps and were then ... -
The effect of titanium (Ti) additive on radiation shielding efficiency of Al25Zn alloy
Şirin, Murat (Pergamon-Elsevier Science Ltd, 2020)In this study, gamma ray and neutron shielding properties of Al25Zn alloy samples prepared by induction melting technique with the composition of (75-x)Al-25Zn-xTi (x = 0, 0.01, 0.1 and 1 wt %) were investigated theoretically ... -
Evaluation of ecological risk, source, and spatial distribution of some heavy metals in marine sediments in the Middle and Eastern Black Sea region, Turkey
Apaydın, Aylin; Kabaoğlu, Hatice; Apaydın, Gökhan; Şirin, Murat; Cengiz, Erhan; Köksal, Oğuz Kağan; Baltaş, Hasan; Tıraşoğlu, Engin (Springer Heidelberg, 2021)In the present study, the concentration levels of heavy metals such as Mn, Fe, Ni, Cu, Zn, Cr, and Pb in sediment samples collected from 16 sampling locations in the Middle and Eastern Black Sea regions, Turkey, were ... -
Evaluation of radioactive pollution in sediment samples of Borçka Dam Lake, Turkey
Şirin, Murat (2019)In this research, the concentrations of natural (226Ra, 232Th and 40K) and anthropogenic (137Cs) radionuclides were measured in sediment samples collected from the Borçka Dam Lake using a high purity germanium detector ... -
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 ... -
Exploration of seasonal metal pollution in Karacaören II Dam Lake sediment samples using X-ray Fluorescence method
Apaydın, Gökhan; Köksal, Oğuz Kağan; Cengiz, Erhan; Şirin, Murat; Baltaş, Hasan; Tıraşoğlu, Engin (Sivas Cumhuriyet Üniversitesi, 2023)In this study, the seasonal metal pollution of sediment samples taken from twelve distinct notes of the Karacaören II Dam Lake was examined. The quantity of metal in soil samples was determined using energy dispersive ... -
The impact of mechanochemical activation on the physicochemical properties and pozzolanic reactivity of kaolinite, muscovite and montmorillonite
Baki, Vahiddin Alperen; Ke, Xinyuan; Heath, Andrew; Calabria-Holley, Juliana; Terzi, Cemalettin; Şirin, Murat (Elsevier, 2022)Partially replacing cement clinkers with activated clays is one of the most promising routes to decarbonise the cement industry and tackle the climate change crisis. This study systematically investigated the impact of ... -
Investigation of accumulation of radionuclides in different tissues of Whiting fish (Merlangius merlangus euxinus Nordmann, 1840) caught on the coasts of Rize in the eastern Black Sea region of Turkey
Şirin, Murat (Elsevier, 2020)In this study, the levels of radioactivity in the muscle, liver, gonad, and gill tissues of the Whiting fish caught from Rize coast of the Black Sea during the winter season in 2017 were determined using gamma spectrometry. ... -
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 ...
