Browsing by Author "Karadaş, Cennet"
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Balya ilçesi ve yakın köylerindeki toprak kirliliğinin çocuklar üzerine etkisinin in vitro gastrointestinal ekstraksiyon yöntemi ile belirlenmesi
Karadaş, Cennet (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2008)Bu çalışmanın ilk kısmında, Balıkesir'in Balya ilçesi ve yakın köylerinden alınan topraklarda bazı metallerin toplam konsantrasyonları ve toprakların farklı fazlarındaki metal konsantrasyonları belirlenmiştir. Toprakların ... -
Chemometric approach to evaluate trace metal concentrations in some spices and herbs
Karadaş, Cennet; Kara, Derya (Elsevier Sci Ltd, 2012)Herbs (mint, thyme and rosemary) and spices (black pepper, chili pepper, cinnamon, cumin, sweet red pepper and turmeric) were analysed using atomic spectrometry and then subjected to chemometric evaluation in an attempt ... -
Chemometric evaluation for the relation of BCR sequential extraction method and in vitro gastro-intestinal method for the assessment of metal bioavailability in contaminated soils in Turkey
Karadaş, Cennet; Kara, Derya (Springer Heidelberg, 2012)A chemometric evaluation has been done to classify metal ions in soils and to determine whether or not the gastric and intestinal phases of a physiologically based extraction test bear any relation to any of the phases of ... -
Determination of copper(II) in natural waters by extraction using n-o-vanillidine-2-amino-p-cresol and flame atomic absorption spectrometry
Karadaş, Cennet; Kara, Derya (Taylor & Francis Inc, 2014)A simple and accurate solvent extraction method was developed for the separation and preconcentration of trace levels of copper(II) in water using N-o-vanillidine-2-amino-p-cresol prior to its determination using flame ... -
Determination of Rare Earth Elements by Solid Phase Extraction Using Chemically Modified Amberlite XAD-4 Resin and Inductively Coupled Plasma-Optical Emission Spectrometry
Karadaş, Cennet; Kara, Derya (Sprınger, 2014)A new solid phase extraction method was developed for the preconcentration and determination of the rare earth elements (REEs) Pr, Sm, Eu, Gd, Tb, Dy, Ho, Tm, Yb, and Lu at trace levels using a mini-column packed with ... -
Determination of rare earth elements in seawater by inductively coupled plasma mass spectrometry with off-line column preconcentration using 2,6-diacetylpyridine functionalized Amber lite XAD-4
Karadaş, Cennet; Kara, Derya; Fisher, Andrew (Elsevier Science Bv, 2011)An off-line column preconcentration technique using a micro-column of 2,6 diacetylpyridine functionalized Amberlite XAD-4 with inductively coupled plasma mass spectrometry (ICP-MS) as a means of detection has been developed. ... -
Determination of rare earth elements in waters by inductively coupled plasma optical emission spectrometry after preconcentration with 6-(2-thienyl)-2-pyridinecarboxaldehyde functionalized Amberlite XAD-4 resin
Karadaş, Cennet; Kara, Derya (Iwa Publishing, 2014)A new method has been developed for the determination of rare earth elements (REEs) (Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu) in water samples based on preconcentration with a mini-column packed with ... -
Development of a preconcentration method for indomethacin in natural waters using dispersive liquid-liquid microextraction based on solidification of floating organic drop technique
Topaç, Nesrin; Karadaş, Cennet; Kara, Derya (Iwa Publishing, 2018)A new dispersive liquid-liquid microextraction method based on the solidification of a floating organic drop was developed for the preconcentration of indomethacin in natural waters followed by ultraviolet-visible (UV-Vis) ... -
Dispersive liquid-liquid microextraction based on solidification of floating organic drop for preconcentration and determination of trace amounts of copper by flame atomic absorption spectrometry
Karadaş, Cennet; Kara, Derya (Elsevier Sci Ltd, 2017)A novel, simple, rapid, sensitive, inexpensive and environmentally friendly dispersive liquid-liquid microextraction method based on the solidification of a floating organic drop (DLLME-SFO) was developed for the determination ... -
The effects of gastric juice acidity on bioaccessibility of some elements in selected foods
Karadaş, Cennet; Fisher, Andrew; Kara, Derya (Academic Press Inc Elsevier Science, 2020)The pH value of gastric juice changes between 1.5 and 3.5 in healthy people but the upper pH range can be as higher as 7 in the presence of a gastric ulcer or different gastric cancers. The effects of the acidity of gastric ... -
Emulsification liquid-liquid microextraction method based on a deep eutectic solvent for separation and preconcentration of lead from environmental water samples
Karadaş, Cennet; Kara, Derya (Iwa Publishing, 2019)In this paper, a novel emulsification liquid-liquid microextraction method based on deep eutectic solvents (DESs) for the preconcentration of lead from water samples and its determination by flame atomic absorption ... -
Emülsiyon kırınımı ile ekstraksiyon yöntemi kulıanılarak yenilenebilir yağlardaki eser elementlerin ICP- MS ile tayini
Soysal, Burçin (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2019)Çalışmada Balıkesir’deki yerel bir market veya aktardan temin edilen on beş çeşit yenilebilir yağ örneğindeki bazı eser elementlerin (As, Ba, Cd, Co, Cr, Cu, Fe, Mg, Mn, Ni, Pb, Sb, Sr ve Zn) derişimlerinin belirlenmesi ... -
In vitro gastro-intestinal method for the assessment of heavy metal bioavailability in contaminated soils
Karadaş, Cennet; Kara, Derya (Springer Heidelberg, 2011)Introduction Balya and its associated villages which is a town of the Balikesir region of Turkey have very rich zinc, lead, and manganese mines. These mines have been operating since the thirteenth century and now there ... -
Ionic liquid dispersive liquid-liquid microextraction method for the determination of ırinotecan, an anticancer drug, in water and urine samples using uv-vis spectrophotometry
Uysal, Deniz; Karadaş, Cennet; Kara, Derya (Aoac Int, 2017)A new, simple, efficient, and environmentally friendly ionic liquid dispersive liquid liquid microextraction method was developed for the determination of irinotecan, an anticancer drug, in water and urine samples using ... -
A new dispersive liquid-liquid microextraction method for preconcentration of copper from waters and cereal flours and determination by flame atomic absorption spectrometry
Karadaş, Cennet (Springer International Publishing Ag, 2014)A simple, rapid, sensitive, and inexpensive dispersive liquid-liquid microextraction method was developed for the determination of trace amounts of copper by flame atomic absorption spectrometry (FAAS). N,N'-bis-(2-hydro ... -
A new ligandless cloud point extraction method for preconcentration of iron from natural water samples and FAAS detection
Karadaş, Cennet; Kara, Derya (Iwa Publishing, 2017)A simple, efficient and inexpensive ligandless cloud point extraction method was developed for the preconcentration of trace amounts of iron from natural water samples, followed by flame atomic absorption spectrometry ... -
A novel cloud point extraction method for separation and preconcentration of cadmium and copper from natural waters and their determination by flame atomic absorption spectrometry
Karadaş, Cennet (Iwa Publishing, 2017)A sensitive and simple cloud point extraction method was developed for simultaneous separation and preconcentration of cadmium and copper prior to their determination by flame atomic absorption spectrometry. 4-phenyl-3-t ... -
A novel ligandless-dispersive liquid-liquid microextraction method for matrix elimination and the preconcentration of rare earth elements from natural waters
Çelik, İbrahim; Kara, Derya; Karadaş, Cennet; Fisher, Andrew; Hill, Steve J. (Elsevier Science BV, 2015)A new, simple, efficient and rapid separation method based on ligandless-dispersive liquid-liquid microextraction (LL-DLLME) was developed for the preconcentration of rare earth elements (REEs) (La, Ce, Pr, Nd, Sm, Eu, Gd, ... -
On-line preconcentration and determination of trace elements in waters and reference cereal materials by flow injection - FAAS using newly synthesized 8-hydroxy-2-quinoline carboxaldehyde functionalized Amberlite XAD-4
Karadaş, Cennet; Kara, Derya (Academic Press Inc Elsevier Science, 2013)A new chelating resin has been developed using Amberlite XAD-4 resin anchored with 8-hydroxy-2-quinoline carboxaldehyde through -C=N- group. The synthesized resin, characterized by infrared spectroscopy, was used as packing ... -
Online preconcentration system using 6-(2-thienyl)-2-pyridine carboxaldehyde functionalized Amberlite XAD-4 resin for the determination of trace elements in waters by flame atomic absorption spectrometry
Karadaş, Cennet; Kara, Derya (AOAC Int, 2013)An online flow injection method was developed for the determination of trace elements in waters using 6-(2-thienyl)-2-pyridinecarboxaldehyde functionalized Amber lite XAD-4 resin. The metals were eluted with 1.0 M HNO3 ...
