Browsing by Author "Ciftci, Harun"
Now showing items 1-20 of 36
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BIOSORPTION AND SEPARATION/PRECONCENTRATION OF LEAD AND NICKEL ON RHODOCOCCUS RUBER BIOMASS
Kiray, Esin; Er, Cigdem; Kariptas, Ergin; Ciftci, Harun (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2017)At the present time emphasis is given to the utilization of microorganisms because of their great ability to absorb metal ions from aqueous solution. Hence, in this study, Pb2+ and Ni2+ ions at trace levels were separated ... -
Chemical Changes in Leaves of Corn and Bean Plants Exposed to Simulated Acid Rain
Ozkaya, Ahmet; Ciftci, Harun; Yilmaz, Okkes; Cil, Erol; Basar, Salih (CHEM SOC PAKISTAN, 2012)In this study, the effects of simulated acid rain on vitamin E, vitamin D-2 and fatty acids levels of corn and bean leaves were investigated. It was determined that the level of palmitoleic acid (C16:1) increased in ... -
Chemical Composition of Nigella sativa L. Seeds Used as a Medical Aromatic Plant from East Anatolia Region, Turkey
Vatansev, Husamettin; Ciftci, Harun; Ozkaya, Ahmet; Ozturk, Bahadir; Evliyaoglu, Nurcan; Kiyici, Aysel (ASIAN JOURNAL OF CHEMISTRY, 2013)In this study, chemical composition such as vitamins, fatty acids and trace elements of Nigella sativa L. seeds collected from East Anatolia Region of Turkey were investigated. Fatty acids in the lipid extracts were converted ... -
Determination of aluminum from water samples and dialysis fluids after separation/preconcentration on Duolite XAD-761 polymeric resin
Ciftci, Harun; Er, Cigdem; Ozkan, Mustafa (TAYLOR & FRANCIS INC, 2016)In the present study, a new solid-phase extraction method was developed for the separation and preconcentration of trace aluminum in various water samples. The 4-(2-pyridylazo)resorcinol was used as a chelating agent for ... -
Determination of fatty acids, vitamins and trace elements in Pistacia terebinthus coffee
Ciftci, Harun; Ozkaya, Ahmet; Kariptas, Ergin (WFL PUBL, 2009)Composition of fatty acids, trace elements and fat-soluble vitamins of Pistacia terebinthus coffee, produced in Elazig,Turkey, was determined. Analyses were performed by using GC, ICP-OES and HPLC, respectively. The accuracy ... -
DETERMINATION OF HEAVY METAL LEVELS IN DIFFERENT TISSUES OF TENCH (TINCA TINCA L., 1758) FROM SIDDIKLI KUCUKBOGAZ DAM LAKE (KIRSEHIR), TURKEY
Yilmaz, Mahmut; Teber, Cigdem; Akkan, Tamer; Er, Cigdem; Kariptas, Ergin; Ciftci, Harun (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2016)Heavy metal concentrations of Cu, Fe, Mn, Zn, Cr and Al in muscle, liver, skin, intestine and gill of tench (Tinca tinca L., 1758) collected from Siddikli Kucukbogaz Dam Lake, in Turkey, were determined by High Resolution ... -
DETERMINATION OF SERA NGAL LEVELS IN PATIENTS WITH LUNG CANCER AND ITS RELATION WITH APOPTOSIS
Ozturk, Bahadir; Ciftci, Harun; Vatansev, Husamettin; Gun, Fatma Gul; Sunam, Guven Sami; Oncel, Murat; Karabagli, Pinar (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2018)The NGAL synthesis induces in neoplasms; therefore, probably, it is benefited from the level of this protein for the determination of carcinogenesis and the progress stages of human tumors. In this study, it was aimed to ... -
Determination Of Some Trace Element Levels In Different Seasons In Muscle, Liver And Brain Tissues Of Clarias Gariepınus (Burchell, 1822)
Aktas, Taylan; Dayangac, Alpaslan; Ciftci, Harun; Yilmaz, Mahmut (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2016)African sharp-tooth catfish known as Clarias gariepinus in international literature is the most common fish species in among freshwater fishes. We investigated levels of Al, Cu, Zn, Fe, Mn and Cr elements in muscle, liver ... -
Determination of Trace Elements in Some Dried Winter Foods
Ciftci, Harun; Karpta, Ergin (ASIAN JOURNAL OF CHEMISTRY, 2009)The levels of trace elements in nine food of winter which are grown in Elazig, Turkey were determined. Flame atomic absorption spectrometry (F-AAS) and high performance liquid chromatography (HPLC) were used in this work. ... -
Determination of trace silver by high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS) after separation/preconcentration on Rhodococcus ruber bacterial biomass
Kariptas, Ergin; Er, Cigdem; Kiray, Esin; Ciftci, Harun (ROYAL SOC CHEMISTRY, 2016)In the present study, a preconcentration method was developed by using Rhodococcus ruber bacterial biomass (RrBB) for the determination of silver in various water samples by high-resolution continuum source flame atomic ... -
DEVELOPMENT OF A NEW ENRICHMENT METHOD FOR SIMULTANEOUS DETERMINATION OF COPPER AND ZINC IN WATER SAMPLES
Ciftci, Harun; Tunc, Turgay; Tasdemir, Ibrahim Hudai; Ciftci, Esen (WILEY-BLACKWELL, 2011)In the present study, an enrichment and separation method for the simultaneous determination of trace amounts of Cu and Zn in water samples was developed. Copper and Zn ions found in water matrix in trace amounts were ... -
The Effect of Lipoic Acid on Macro and Trace Metal Levels in Living Tissues Exposed to Oxidative Stress
Ciftci, Harun; Bakal, Unal (BENTHAM SCIENCE PUBL LTD, 2009)Environmental pollution resulting from fast-paced industrialization, various chemicals used in agriculture, additives in food, smoking and use of alcohol, radiation, some viruses and poor dietary habits all have currently ... -
Effect of Lipoic Acid on the Some Elements in Brain Tissue of DMBA-Induced Guinea Pigs
Ciftci, Harun; Oezkaya, Ahmet; Dayangac, Alpaslan; Oelcuecue, Ali; Celik, Sait; Sahin, Zafer; Ates, Sema (KAFKAS UNIV, VETERINER FAKULTESI DERGISI, 2009)The oxidative stress, depending on many factors in the etiology of developing cancer caused by reactive oxygen species, plays an important role. In our study, 7, 12-dimethylbenz-[a]anthracene (DMBA) was applied in Guinea ... -
The effects of aromatherapy using rose oil (Rosa damascena Mill.) on preoperative anxiety: A prospective randomized clinical trial
Dagli, Recai; Avcu, Mustafa; Metin, Mehmet; Kiyma, Sultan; Ciftci, Harun (ELSEVIER SCIENCE INC, 2019)Introduction: Preoperative anxiety is a common problem before anesthesia. Pharmacologic agents or non-pharmacologic methods are widely used to reduce preoperative anxiety. The aim of our study was to investigate the effect ... -
Effects of Ellagic acid and Hesperetin on Levels of Some Elements in Livers of Aluminum-Induced Rats
Ozkaya, Ahmet; Ciftci, Harun; Dayangac, Alpaslan; Cevrimli, B. Sitki; Olcucu, Ali; Celik, Sait (TURKISH BIOCHEM SOC, 2013)Objective: Ellagic acid and hesperetin are well known as having free radical scavenging activity in some rat tissues. Aluminum is known to cause toxic effects on various organ systems. In this study, the protective role ... -
Effects of Fermentation Conditions on Citric Acid Production from Beet Molasses by Aspergillus niger
Cevrimli, Bekir S.; Kariptas, Ergin; Ciftci, Harun (ASIAN JOURNAL OF CHEMISTRY, 2009)The effects of initial sugar concentration, pH and temperature on citric acid production from beet molasses by Aspergillus niger were investigated in shake cultures. The maximum citric acid production (52.3 g L;) was ... -
Fatty acids, protein contents and metal composition of some feed crops from Turkey
Bakoglu, Adil; Bagci, Eyuep; Ciftci, Harun (WFL PUBL, 2009)In the course of investigations of new sources of higher plant lipids, fatty acid and metal compositions of some feed crops - Vicia ervilia (bitter veitch), Lotus corniculatus, Onobrychis fallax, Trifolium aureum (golden ... -
High-resolution continuum source flame atomic absorption spectrometric (HR-CS FAAS) determination of trace aluminium and lead in water and some beverage samples after separation and preconcentration procedure
Ciftci, Harun; Er, Cigdem; Yalcinkaya, Ozcan; Temuz, M. Mursit; Turker, Ali Rehber (TAYLOR & FRANCIS LTD, 2014)In the present study, a solid phase extraction procedure has been presented for the separation and preconcentration of aluminium (Al) and lead (Pb) in various matrixes such as water, cola and fruit juice samples. ... -
Levels of Fat-Soluble Vitamins in Some Foods
Ciftci, Harun; Ozkaya, Ahmet; Cevrimli, B. Sitki; Bakoglu, Adil (ASIAN JOURNAL OF CHEMISTRY, 2010)The levels of vitamins in nine food of winter season which are grown in Turkey were determined. High performance liquid chromatography (HPLC) was used in this work. Eight vitamins were detected in the foods. The contents ...
