Yazar "Yavuz, Oguzhan" için listeleme
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3-nitrotyrosine levels in dichlorvos-induced neurotoxicity
Guvenc, Dilek; Aksoy, Abdurrahman; Das, Yavuz Kursad; Atmaca, Enes; Yavuz, Oguzhan (Inst Medical Research & Occupational Health, 2014)The aim of this study was to evaluate dichlorvos toxicity in terms of nitro-oxidative stress by determining 3-nitrotyrosine (3-NT) levels in the fore, mid, and hindbrain regions in acutely exposed rats. Male Sprague-Dawley ... -
Aflatoxin M1 Level of Human Breast Milk Samples in Samsun and Neighbour Provinces, Turkey
Aksoy, Abdurrahman; Das, Yavuz Kursad; Yavuz, Oguzhan; Guvenc, Dilek; Cetinkaya, Mehmet Bilge; Kokcu, Arif; Celik, Suleyman (Parlar Scientific Publications (P S P), 2009)Aflatoxins are a group of toxic compounds produced by certain strains of the fungi Aspergillus flavus and A. parasiticus. This study was carried out to determine the AFM1 levels of human milk samples in Samsun province, ... -
Determination of Aflatoxin Levels in Raw Milk, Cheese and Dehulled Hazelnut Samples Consumed in Samsun Province, Turkey
Aksoy, Abdurrahman; Yavuz, Oguzhan; Guvenc, Dilek; Das, Yavuz Kursad; Terzi, Goknur; Celik, Suleyman (Kafkas Univ, Veteriner Fakultesi Dergisi, 2010)Thirty six samples of raw cows' milk, 50 samples of milk products (25 samples each of fresh white cheese and Kashar cheese), and 50 samples of dehulled hazelnut were randomly collected from the Samsun province of Turkey. ... -
Determination of important biochemical properties of honey to discriminate pure and adulterated honey with sucrose (Saccharum officinarum L.) syrup
Guler, Ahmet; Bakan, Ayse; Nisbet, Cevat; Yavuz, Oguzhan (Elsevier Sci Ltd, 2007)The aims of the present study were to determine biochemical properties of honey samples and to discriminate pure and adulterated honey produced by the standard bee feeding method (control honey), the shaking method (pure ... -
Determination of plasma concentrations of organochlorine pesticides and polychlorinated biphenyls in pet cats and dogs
Yavuz, Oguzhan; Arslan, Handan Hilal; Esin, Cagatay; Das, Yavuz Kursad; Aksoy, Abdurrahman (Sage Publications Inc, 2018)The aim of this study was the determination of plasma concentrations of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in cats and dogs and evaluation of their prevalence and possible effects. The ... -
Determination of primary aromatic amines in cold water extract of coloured paper napkin samples by liquid chromatography-tandem mass spectrometry
Yavuz, Oguzhan; Valzacchi, Sandro; Hoekstra, Eddo; Simoneau, Catherine (Taylor & Francis Ltd, 2016)The aim of this study was the optimisation of a multi-analyte method for the analysis of primary aromatic amines ( PAAs) from napkins in order to support official controls and food safety. We developed a UHPLC- MS/ MS ... -
Dose- and Time-dependent Effects of Permethrin on HepG2 Cells: Cell Survival, Lipid Peroxidation and Antioxidant Defence System
Guvenc, Dilek; Gulbahar, M. Yavuz; Yavuz, Oguzhan; Guvenc, Tolga (Kafkas Univ, Veteriner Fakultesi Dergisi, 2020)There is very limited knowledge about in vitro hepatotoxicity of permethrin concerning dose and duration even though humans and nontargeted beings are exposed. In this study, three different doses of permethrin (1 mu M, ... -
Effect of free creatine therapy on cisplatin-induced renal damage
Genc, Gurkan; Okuyucu, Ali; Meydan, Bilge Can; Yavuz, Oguzhan; Nisbet, Ozlem; Hokelek, Murat; Ozkaya, Ozan (Informa Healthcare, 2014)Cisplatin is one of the commonly used anticancer drugs and nephrotoxicity limits its use. The aim of this study is to investigate the possible protective effect of creatine supplementation on cisplatin-induced nephrotoxicity. ... -
Effect of rosiglitazone on cisplatin-induced nephrotoxicity
Ozkaya, Ozan; Yavuz, Oguzhan; Can, Bilge; Dilek, Melda; Savli, Evren; Acikgoz, Yonca; Akpolat, Tekin (Taylor & Francis Ltd, 2010)Aim: Nephrotoxicity is a major side effect of cisplatin (Cis), a widely used chemotherapeutic drug. Recent studies have strongly suggested that inflammatory mechanisms may play an important role in the pathogenesis of Cis ... -
Effects of the high temperature on the physical and chemical properties of some public health insecticide formulations
Aksoy, Abdurrahman; Yavuz, Oguzhan; Guvenc, Dilek; Das, Yavuz Kursad (Asian Journal of Chemistry, 2007)Insecticides are manufactured, formulated and packaged to specific standards for safe and effective vector control. Sometimes the insecticide products can break down and lose their active ingredients under storage conditions ... -
An evaluation of the efficacy, clinical safety, blood levels and milk concentrations of flumethrin and cypermethrin formulations used for tick control in cattle
Yavuz, Oguzhan; Aksoy, Abdurrahman; Das, Yavuz Kursad; Arslan, Handan Hilal; Gurler, Ali Tumay; Yarim, Gul Fatma; Atmaca, Enes (Sivar-Soc Italiana Veterinari Animali Reddito, 2017)Introduction - Ticks and tick-borne diseases are a global problem. Cypermethrin and flumethrin are synthetic pyrethroid acaricides widely used for tick control in cattle. As is the case for all families of acaricides, ... -
An evaluation of the levels of organochlorine compounds (OCPs and PCBs) in cultured freshwater and wild sea fish eggs as an exposure biomarker for environmental contamination
Atmaca, Enes; Das, Yavuz Kursad; Yavuz, Oguzhan; Aksoy, Abdurrahman (Springer Heidelberg, 2019)In this study, the eggs of 30 wild Black Sea whiting (Merlangius merlangus euxinus, Nordmann, 1840) and 30 farmed freshwater rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) collected from Samsun Province in Turkey were ... -
Evaluation of the Relationship of Blood Heavy Metal, Trace Element Levels and Antioxidative Metabolism in Cattle Which Are Living Near the Trunk Roads
Arslan, Handan Hilal; Aksu, Devrim Saripinar; Ozdemir, Semra; Yavuz, Oguzhan; Or, Mehmet Erman; Barutcu, Umit Bora (Kafkas Univ, Veteriner Fakultesi Dergisi, 2011)In this study, detection of a possible relationship of some trace element levels of copper (Cu), zinc (Zn), and iron (Fe), toxic heavy metals, cadmium (Cd) and lead (Pb), and antioxidant functions in cattle, which are ... -
Impact of baseline prepulse inhibition on nicotine-induced locomotor sensitization in rats
Kayir, Hakan; Goktalay, Gokhan; Yavuz, Oguzhan; Uzbay, Tayfun I. (Elsevier Science Bv, 2011)The rats having high locomotor reactivity to a novel environment (LRNE) are known to be more vulnerable to develop locomotor sensitization, which reflects the initial neuroplastic changes in brain systems related to addictive ... -
Investigations on the chemical compositions and biological efficiencies of some public health pesticide formulations under different storage conditions
Yavuz, Oguzhan (Asian Journal of Chemistry, 2007)Seven public health insecticide formulations were stored at 4, 21 degrees C with 50-55 % relative humidity and 31 degrees C with 60-70% relative humidity in I L coex bottle during 12 months. The formulations contained two ... -
Occurrence of Aflatoxin B1, T-2 Toxin and Zearalenone in Compound Animal Feed
Aksoy, Abdurrahman; Yavuz, Oguzhan; Das, Y. Kursad; Guvenc, Dilek; Muglali, O. Hakan (Medwell Online, 2009)This study was performed to determine mycotoxin (aflatoxin B1 (AFB1), T-2 toxin and Zearalenone (ZEA)) levels in compound ruminant feeds collected from local feed sellers in Samsun province, Turkey. Forty compound feed ... -
Organochlorine Pesticide and Polychlorinated Biphenyls Levels in Fish and Mussel in Van Region, Turkey
Aksoy, Abdurrahman; Das, Yavuz Kursad; Yavuz, Oguzhan; Guvenc, Dilek; Atmaca, Enes; Agaoglu, Sema (Springer, 2011)Forty-seven fish (24 endemic Alburnus tarichi, Guldenstadt, 1814; 8 Capoeta capoeta, Guldenstaedt, 1772; 15 mirror carp Cyprinus carpio, L., 1758) and 13 mussel (Unio stevenianus, Krynicki, 1837) samples, with 10 specimens ... -
The relationship between baseline prepulse inhibition levels and ethanol withdrawal severity in rats
Kayir, Hakan; Yavuz, Oguzhan; Goktalay, Gokhan; Yildirim, Murat; Uzbay, Tayfun (Pergamon-Elsevier Science Ltd, 2010)Baseline prepulse inhibition (PPI) of the acoustic startle reflex is thought to reflect the functioning of the sensorimotor gating system in the brain. The current literature indicates that similar neurotransmitter systems ... -
Repeated-dose 14-day dermal toxicity of different combinations of some synthetic pyrethroid insecticides, piperonyl butoxide, and tetramethrin in rats
Yavuz, Oguzhan; Aksoy, Abdurrahman; Das, Yavuz Kursad; Gulbahar, Mustafa Yavuz; Yarim, Gul Fatma; Cenesiz, Metin; Guvenc, Dilek (Taylor & Francis Ltd, 2010)The aim of this study was to evaluate the repeated-dose 14-day dermal toxicity of different combinations of some synthetic pyrethroid insecticides, piperonyl butoxide, and tetramethrin in rats. A total of 70 adult Wistar ... -
Seasonal Variation of Polychlorinated Biphenyls and Organochlorine Pesticide Levels of Sea and Cultured Farm Fish in the Samsun Region of Turkey
Aksoy, Abdurrahman; Guvenc, Dilek; Yavuz, Oguzhan; Das, Yavuz Kursad; Atmaca, Enes (Springer, 2012)The concentrations of selected Organochlorine (OC) pesticides (alpha-HCH, beta-HCH, gamma-HCH, HCB, aldrin, 2,4'-DDE, 4,4'-DDE, 2,4'-DDT, 4,4'-DDT) and Polychlorinated Biphenyls (PCBs) (28, 70, 74, 81, 99, 101, 105, 118, ...
