Yazar "Yıldız, Dilek" için listeleme
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Bioaccumulation and health risk assessment of heavy metals in European eels taken from Lakes Köyceğiz (Turkey) and Võrtsjärv (Estonia)
Demirak, Ahmet; Keskin, Feyyaz; Silm, Maudi; Özdemir, Nedim; Yıldız, Dilek; Bernotas, Priit; Öğlü, Burak (Springer Science and Business Media Deutschland GmbH, 2021)Monitoring heavy metal contaminants in fish is important for the assessment of environmental quality as well as food safety. In this study, European eel samples were collected from Lake Köyceğiz and Lake Võrtsjärv in 2017 ... -
Biosorption of 2,4 dichlorophenol Onto Turkish Sweetgum Bark in a Batch System: Equilibrium and Kinetic Study
Yıldız, Dilek; Keskin, Feyyaz; Demirak, Ahmet (Slovensko Kemijsko Drustvo, 2017)In this study, Turkish Sweetgum bark was used as a new biosorbent to investigate the removal of hazardous 2,4 dichlorophenol (2,4-DCP) from aqueous solutions in batch biosoption experiments. The effective usage of Turkish ... -
Determination and speciation of methyl mercury and total mercury in fish tissue samples by gold-coated W-coil atom trap cold vapor atomic absorption spectrometry
Atasoy, Muhammet; Yıldız, Dilek; Kula, İbrahim; Vaizoğulları, Ali İmran (Elsevier Ltd, 2022)A sensitive analytical technique was developed where gaseous mercury formed by sodium tetrahydroborate reduction is transported to and trapped on a resistively heated gold-coated Tungsten-coil atom trap for in situ ... -
Determination and speciation of selenium in water samples collected from Mugla (Turkey) province by hydride generation atomic absorption spectrometry
Atasoy, Muhammet; Yıldız, Dilek; Kula, İbrahim (ELSEVIER, 2022)In this work, determination of selenium in various water samples was done by using hydride generation atomic absorption spectrometry. The most appropriate values of HCl concentration, NaBH4 concentration, NaOH concentration, ... -
Determination of Selenium by Platinum-coated Tungsten Coil Trap Hydride Generation-Atomic Absorption Spectrometry
Yıldız, Dilek (ATOMIC SPECTROSCOPY PRESS LTD, 2021)A highly sensitive analytical technique was developed in which gaseous hydrogen selenide generated by sodium tetrahydroborate reduction was transported and trapped on a resistively heated platinum-coated W-coil trap for ... -
Development of a Sensitive Method for Cadmium Determination in Fish Tissue and Drinking Water Samples by FAAS Using SQT In Situ Atom Trapping
Karababa, Hüseyin; Atasoy, Muhammet; Yıldız, Dilek; Kula, İbrahim; Tüzen, Mustafa (ACS, 2023)A sensitive and robust trap method was developed for the determination of cadmium (Cd) by using a slotted quartz tube. Using this method at a sample suction rate of 7.4 mL/min for 4.0 min collection, a 1467-fold increase ... -
Effect of metal sensitizers on photochemical vapor generation of bismuth for analytical atomic spectrometry
Vyhnanovsky, Jaromir; Yıldız, Dilek; Musil, Stanislav (Charles Univ, Fac Science, 2019)Conditions of photochemical vapor generation of bismuth were optimized in a flow-injection system with a standard mercury low-pressure tube lamp and a coiled reactor. A high-resolution continuum source atomic absorption ... -
Efficient photochemical vapor generation of bismuth using a coiled Teflon reactor: Effect of metal sensitizers and analytical performance with flame-in-gas-shield atomizer and atomic fluorescence spectrometry
Vyhnanovský, Jaromír; Yıldız, Dilek; Štádlerová, Barbora; Musil, Stanislav (Elsevier Inc., 2021)Photochemical vapor generation (PVG) of bismuth was accomplished in a simple flow–injection system with a standard Hg low-pressure tube lamp and a coiled Teflon reactor. The influence of a reaction medium flow rate ... -
EVALUATION OF TRACE METAL CONTENTS IN MUSHROOM SAMPLES FROM AZDAVAY DISTRICT, KASTAMONU, TURKEY
Atasoy, Muhammet; Yıldız, Dilek (Muğla Sıtkı Koçman Üniversitesi, 2022)Mantarlar, önemli bir amino asit, protein ve lif kaynağı oldukları için popüler bir besindir, ancak substrattan metal biriktirme kapasiteleri yüksektir. Bu çalışmada Kastamonu Bölgesi, Azdavay'da orijinal olarak bulunan ... -
Flame Atomic Absorption Determination of Copper in Environmental Water with Cloud Point Extraction using Isonitrosoacetophenone 2-aminobenzoylhydrazone
Yıldız, Dilek; Demir, Mustafa (Pleiades Publishing Inc, 2019)A cloud point extraction method has been developed for preconcentration of Cu2+ ions. Tergitol 15-s-7 and Tergitol 15-s-9 are nonionic surfactants used to form micellar media. Taguchi method was used to optimize cloud point ... -
Heavy metals in some edible mushrooms from the Central Anatolia, Turkey
Yamaç, Mustafa; Yıldız, Dilek; Sarıkürkçü, Cengiz; Çelikkollu, Mustafa; Solak, Mehmet Halil (Elsevier Sci Ltd, 2007)Eight trace elements (Pb, Cd, Zn, Fe Mn, Cu, Cr and Ni) in 15 different wild-growing edible mushroom species collected from Eskisehir, Turkey were determined. The highest Pb, Fe, Mn and Cu concentrations were 11.72, 11460, ... -
Metal concentration of wild edible mushrooms in Soguksu National Park in Turkey
Sarıkürkcü, Cengiz; Copur, Mehmet; Yıldız, Dilek; Akata, Ilgaz (Elsevier Sci Ltd, 2011)Twelve varieties of fruiting bodies of wild edible mushrooms collected in 2002 from Soguksu National Park, Ankara, Turkey were analysed for Pb, Cd, Zn, Fe, Mn, Cu, Cr, Ni, and Co contents by inductively coupled plasma ... -
Removal of Ni(II), Cu(II), Pb(II), and Cd(II) from Aqueous Phases by Silver Nanoparticles and Magnetic Nanoparticles/Nanocomposites
Şahin, Muradiye; Atasoy, Muhammet; Arslan, Yasin; Yıldız, Dilek (PMC, 2023)he intake of heavy metals into the body, even at very low concentrations, may cause a decrease in central nervous system functions; deterioration of blood composition; and liver, kidney, and lung damage. Therefore, heavy ... -
A Study of Trace Element Contents in Plants Growing at Honaz Dagi-Denizli, Turkey
Başlar, Süleyman; Kula, Ibrahim; Doğan, Yunus; Yıldız, Dilek; Ay, Güngör (Foundation Environmental Protection & Research-Fepr, 2009)Denizli is one of the rapidly developing states in the West Anatolian Region of Turkey Keeping this in view, 30 different plants were selected to study their potential as biomonitors of trace elements like Pb, Cd, Ni, Zn, ... -
Ultra-Trace Determination of Arsenic by Platinum-Coated Tungsten Coil Hydride Generation (HG) Atomic Absorption Spectrometry (AAS)
Yıldız, Dilek; Atasoy, Muhammet; Demirak, Ahmet (TAYLOR & FRANCIS INC, 2022)A simple, rapid, and sensitive method for the determination of ultra-trace arsenic (III) is reported based on in situ trapping and revolatilization on a platinum (Pt) coated tungsten (W) coil atom trap. First, the analyte ... -
Ultra-trace determination of mercury by platinum-coated tungsten coil trapping cold vapour atomic absorption spectrometry
Yıldız, Dilek; Atasoy, Muhammet; Arslan, Yasin (TAYLOR & FRANCIS LTD, 2022)Within the scope of this study, a simple, highly sensitive and rapid trapping method for the determination of mercury (Hg) was developed. In this method, the surface of the tungsten coil (W-coil) was coated with platinum ...
