Osman Yavuz Ataman

E-mail

ataman@metu.edu.tr

Department

Department of Chemistry

Development of sensitive analytical methods for the determination of thallium at trace levels by slotted quartz tube flame atomic absorption spectrometry Ari, Betul; BAKIRDERE, Sezgin; Ataman, Osman Yavuz (Elsevier BV, 2020-09-01) A simple, sensitive and economical technique is needed for the determination of thallium and this study demonstrates the different analytical strategies were developed using atomic absorption spectrometry (AAS). In order t...
Selenium speciation in chicken breast samples from inorganic and organic selenium fed chickens using high performance liquid chromatography-inductively coupled plasma-mass spectrometry BAKIRDERE, Sezgin; Volkan, Mürvet; Ataman, Osman Yavuz (2018-08-01) Speciation of selenium in chicken breast samples was performed by anion and cation exchange HPLC systems combined with ICP-MS. Samples were categorized into three groups consisting of Control Group, Inorganic Se Fed Group ...
Biological effects of tolerable level chronic boron intake on transcription factors BOYACIOĞLU, SEDA ÖRENAY; KORKMAZ, MEHMET; Kahraman, Erkan; Yildirim, Hatice; Bora, Selin; Ataman, Osman Yavuz (2017-01-01) The mechanism of boron effect on human transcription and translation has not been fully understood. In the current study it was aimed to reveal the role of boron on the expression of certain transcription factors that play...
Is Boric Acid Toxic to Reproduction in Humans? Assessment of the Animal Reproductive Toxicity Data and Epidemiological Study Results DUYDU, YALÇIN; Basaran, Nursen; ÜSTÜNDAĞ, AYLİN; AYDIN DİLSİZ, SEVTAP; ÜNDEĞER BUCURGAT, ÜLKÜ; Ataman, Osman Yavuz; AYDOS, KAAN; Duker, Yalcm; Ickstadt, Katja; Waltrup, Brita Schulze; Golka, Klaus; Bolt, Hermann Maximilian (2016-01-01) Boric acid and sodium borates are classified as toxic to reproduction in the CLP Regulation under "Category 1B" with the hazard statement of "H360FD". This classification is based on the reprotoxic effects of boric acid an...
Speciation of Arsenic in Fish by High-Performance Liquid Chromatography-Inductively Coupled Plasma-Mass Spectrometry Ozcan, Sefika; BAKIRDERE, Sezgin; Ataman, Osman Yavuz (2016-01-01) Arsenic speciation in fish was performed using isocratic elution with cation exchange column high-performance liquid chromatography and inductively coupled plasma-mass spectrometry detection. The separation of arsenobetain...
Selenium, nickel, and calcium levels in cancerous and non-cancerous prostate tissue samples and their relation with some parameters Celen, Ilker; MÜEZZİNOĞLU, TALHA; Ataman, Osman Yavuz; BAKIRDERE, Sezgin; KORKMAZ, MEHMET; NESE, NALAN; Senol, Feriye; Lekili, Murat (2015-09-01) In the present study, tissue samples of patients with cancerous and non-cancerous prostate were analyzed for their Se, Ni, and Ca contents. Possible relationship between Se, Ni, and Ca concentrations and some parameters in...
Speciation of Selenium in Supplements by High Performance Liquid Chromatography-Inductively Coupled Plasma-Mass Spectrometry BAKIRDERE, Sezgin; Volkan, Mürvet; Ataman, Osman Yavuz (2015-06-13) Anion and cation exchange high-performance liquid chromatography (HPLC) combined with inductively coupled plasma-mass spectrometry (ICP-MS) were used for speciation of selenium in supplements. All the parameters in the ext...
Lead determination at ng/mL level by flame atomic absorption spectrometry using a tantalum coated slotted quartz tube atom trap Demirtas, Ilknur; BAKIRDERE, Sezgin; Ataman, Osman Yavuz (2015-06-01) Flame atomic absorption spectrometry (FAAS) still keeps its importance despite the relatively low sensitivity; because it is a simple and economical technique for determination of metals. In recent years, atom traps have b...
In situ atom trapping of Bi on W-coated slotted quartz tube flame atomic absorption spectrometry and interference studies KILINÇ, ERSİN; BAKIRDERE, Sezgin; AYDIN, FIRAT; Ataman, Osman Yavuz (2013-11-01) Analytical performances of metal coated slotted quartz tube flame atomic absorption spectrometry (SQT-FAAS) and slotted quartz tube in situ atom trapping flame atomic absorption spectrometry (SQT-AT-FAAS) systems were eval...
Hair arsenic concentrations of residents living in Nevsehir province, Turkey Altun, Beril; ERTAŞ, Nusret; Alshana, Usama; Hisarli, N. Deniz; Asik, Elif; ÇAKMAK DEMİRCİGİL, GONCA; KADIOĞLU, ELA; Celebi, Celalettin R.; Atabey, Esref; Ataman, Osman Yavuz; Serce, Hakan; Bilir, Nazmi; Tuncer, A. Murat; BURGAZ, SEMA (2013-08-28) Arsenic-contaminated drinking water affects millions of people worldwide, causing substantial mortality and morbidity from cancers, and cardiovascular and respiratory diseases. Geological studies have recently shown that a...

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