Yazar "Guvenc, Dilek" 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, ... -
Biological Significance of the Over-Expression of Hsp70 and Alpha B-Crystallin in Rat Substantia Nigra Exposed To Different Doses of Permethrin
Guvenc, Dilek; Kabak, Yonca Betil; Atmaca, Enes; Aksoy, Abdurrahman; Guvenc, Tolga (Inst Medical Research & Occupational Health, 2013)The aim of this study was to investigate the possible role of the Heat Shock Protein 70 (HSP70) and Alpha B-crystallin (alpha BC) in the substantia nigra of rats exposed to permethrin at different doses on the apoptotic ... -
Comparative Analysis of Aflatoxin M1 in Marketed Butter by ELISA and HPLC
Aksoy, Abdurrahman; Atmaca, Enes; Yazici, Fehmi; Guvenc, Dilek; Gul, Osman; Dervisoglu, Muhammet (Kafkas Univ, Veteriner Fakultesi Dergisi, 2016)The aim of this study was to examine the presence of aflatoxin M1 (AFM1) in butter samples marketed in the Black Sea Region of Turkey with two complementary analytical methods to improve accuracy. A total of 40 samples ... -
Comparison of lidocaine metabolism for different anesthesia techniques in rabbits with liver disease
Celebi, Nukhet; Muglali, Mehtap; Aksoy, Abdurrahman; Yarim, Gul; Yarim, Murat; Guvenc, Dilek (Elsevier Science Inc, 2013)Objective. This study was designed to investigate the serum lidocaine concentrations (SLC) after local infiltration anesthesia (IA) and mandibular anesthesias (MA) in rabbits with carbon tetrachloride (CCl4)-induced chronic ... -
Comparison of Substances Used for Prevention of Intra-Abdominal Adhesions: An Experimental Study in Rats
Gunaydin, Mithat; Guvenc, Dilek; Yildiz, Levent; Aksoy, Abdurrahman; Tander, Burak; Blcakci, Unal; Bernay, Ferit (Ortadogu Ad Pres & Publ Co, 2012)Objective: Many substances have been used up to date in order to prevent postoperative adhesions. This problem is still a 'puzzle' for researchers. We aimed to compare various substances preventing adhesions in an experimental ... -
Determination of Aflatoxin Levels in Maize Grain by High Performance Liquid Chromatography Using an Immunoaffinity Column Cleanup
Atmaca, Enes; Guvenc, Dilek; Aksoy, Abdurrahman (Kafkas Univ, Veteriner Fakultesi Dergisi, 2015)The aim of this study was to determine aflatoxin contamination levels in maize grain produced in Samsun Province, Turkey. Forty samples of maize grain intended for animal feed in Samsun Province were analyzed. The amounts ... -
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 eugenol contents of some zinc oxide-eugenol based dental cements
Ertas, Ertan; Aksoy, Abdurrahman; Guvenc, Dilek; Das, Y. Kuersad; Yucel, A. Cagin (Asian Journal of Chemistry, 2007)The aim of this study was to analyze the eugenol content of some eugenol based commercially available dental cements. Eugenol analysis was made by gas chromatography equipped with flame ionization detector (GC-FID) and ... -
Does Resveratrol Have a Protective Effect on Tympanosclerosis Formation in Experimentally Induced Otitis Media?
Kurnaz, Senem Cengel; Aksoy, Ahmet; Guvenc, Dilek; Guvenc, Tolga; Aksoy, Abdurrahman (Aves, 2014)OBJECTIVE: To evaluate the effects of resveratrol on tympanosclerosis in an experimental rat model by otomicroscopic, histopathological, and immunohistochemical examinations, and measurement of malondialdehyde levels. ... -
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 Fluoride Exposure on Serum Glycoprotein Pattern and Sialic Acid Level in Rabbits
Ciftci, Gulay; Cenesiz, Sena; Yarim, Gul Fatma; Nisbet, Ozlem; Nisbet, Cevat; Cenesiz, Metin; Guvenc, Dilek (Humana Press Inc, 2010)This study describes the effects of fluoride exposure on the protein profile, glycoprotein pattern, and total sialic acid concentration of serum in rabbits. For this aim; 20 healthy New Zealand rabbits were used. The rabbits ... -
Effects of Oral Propolis on Mucosal Wound Healing after Endoscopic Nasal Surgery in a Rabbit Model
Kavaz, Esra; Kurnaz, Senem Cengel; Guvenc, Dilek; Yarim, Murat; Aksoy, Abdurrahman (Aves, 2019)Objective: If the respiratory nasal mucosa is damaged and the mucosa does not heal properly during nasal or paranasal sinus surgery, a revision surgery may be required. The aim of this study is to investigate the effects ... -
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 ... -
Evaluation of changes in monoamine levels and apoptosis induced by cyfluthrin in rats
Guvenc, Dilek; Aksoy, Abdurrahman; Gacar, Ayhan; Atmaca, Enes; Das, Kursad Y.; Guvenc, Tolga (Oxford Univ Press, 2014)The aim of this study was to evaluate monoamine and mitochondrial cytochrome c levels and lipid peroxidation in adult male rats treated with cyfluthrin (14 mg kg(-1) dose; approximately 1/10 of the LD50 value) for 14 days. ... -
Evaluation of Chemical and Microbiological Characteristics and Fatty Acid Profiles of Butter Samples Collected from the Black Sea Region of Turkey
Dervisoglu, Muhammet; Gul, Osman; Guvenc, Dilek; Yazici, Fehmi; Atmaca, Enes; Aksoy, Abdurrahman (Asian Journal of Chemistry, 2013)The physico-chemical and microbiological characteristics and fatty acid composition of butter samples produced in the Black sea region of Turkey were analyzed. The mean percentages of total solids, non-fat solids and fat ... -
Heavy Metal Levels of Some Marine Organisms Collected in Samsun and Sinop Coasts of Black Sea, in Turkey
Das, Yavuz Kursad; Aksoy, Abdurrahman; Baskaya, Ruhtan; Duyar, Hunkar Avni; Guvenc, Dilek; Boz, Veysel (Medwell Online, 2009)The aim of this study, is to evaluate the heavy metal concentrations of marine organisms in Samsun and Sinop coasts of Black Sea. As test materials, 3 sample groups of red mullet, whiting and mussel, 2 sample groups of ... -
Investigation of some Pesticide Residues in Raw Milk Samples Collected from Samsun Province
Guvenc, Dilek; Aksoy, Abdurrahman (Kafkas Univ, Veteriner Fakultesi Dergisi, 2010)The widespread application of pesticides in veterinary medicine, agriculture and public health can result in the accumulation of pesticides in the environment. Their residues may easily concentrate in foods (such as milk). ... -
Is It Really Necessary to Delay Intranasal Steroid Treatment after FESS? An Animal Study
Bayraktar, Cem; Atmaca, Sinan; Guvenc, Dilek; Karayigit, M. Onder; Atmaca, Enes; Yarim, Murat; Aksoy, Abdurrahman (Sage Publications Ltd, 2013)Objectives. The aim of this study is to investigate the effect of early intranasal steroid administration on wound healing after sinus surgery. Study Design. Randomized, placebo-controlled, blinded animal study. Setting. ... -
Levels of Organochlorine Pesticide Residues in Butter Samples Collected from the Black Sea Region of Turkey
Aksoy, Abdurrahman; Dervisoglu, Muhammed; Guvenc, Dilek; Gul, Osman; Yazici, Fehmi; Atmaca, Enes (Springer, 2013)The aim of the present study was to evaluate the levels of 9 organochlorine compounds (aldrin, hexachlorobenzene, 2,4-DDE, 4,4-DDE, 2,4-DDT, 4,4-DDT, and alpha-, beta-, and gamma-HCH) in butter samples collected in the ...
