Kurum Yazarı "Kıvanç, Merih" Makale Koleksiyonu İçin Listeleme
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The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
The Antimicrobial Activity of Extracts of the Lichen Cladonia foliacea and Its (-)-Usnic Acid, Atranorin, and Fumarprotocetraric Acid Constituents
The antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against ... -
Automated ribotyping and antibiotic resistance determining of Bacillus spp from conjunctiva of diabetic patients
Kıvanç, Sertaç Argun; Kıvanç, Merih; Güllülü, Gülay (Mashhad University Med Sciences, 2014)Objective(s): We aimed to characterize the phenotype and genotype of Bacillus spp isolated from diabetic patients' eyes, by studying the drug sensitivity patterns with a disc-diffusion method. Materials and Methods: Fifty ... -
Bacillus Spp. isolated from the conjunctiva and their potential antimicrobial activity against other eye pathogens
Kıvanç, Sertaç Argun; Takim, Murat; Kıvanç, Merih; Güllülü, Gülay (Makerere University, Fac Med, 2014)Background: In this study, we attempted to screen and investigate antibacterial activity of Bacillus species, which were isolated from conjunctiva, against other eyes pathogens. Methods: To examine predominant isolates of ... -
Biofilm and gelatinase production, antibiotic resistance and incidence of enterococcus faecalis on conjunctival swabs of diabetic patients [Diyabetik hastalardan alinan konjonktival sürüntüde enterococcus faecalis insidansi, biyofilm ve jelatinaz üretimi ve antibiyotik direnci]
Kıvanç, Sertaç Argun; Kıvanç, Merih; Güllülü, Gülay (Turkiye Klinikleri, 2013)Objective: Enterococcus faecalis is an emerging etiologic agent of hospital infections, with high rates of antibiotic resistance. Enteroccocci produce biofilms on intraocular lens materials, further highlighting their ... -
Biological efficacy of Trichoderma harzianum isolate to control some fungal pathogens of wheat (Triticum aestivum) in Turkey
Küçük, Çiğdem; Kıvanç, Merih; Kınacı, Engin; Kınacı, Gülcan (Springer, 2007)Gaeumannomyces graminis var. tritici, Fusarium culmorum and F. moniliforme are highly important and widespread pathogens of wheat in Turkey. Trichoderma isolates have been used as biocontrol agents to protect plants against ... -
Biyokoruyucu olarak laktik asit bakterileri ve bakteriyosinler
Dinçer, Emine; Kıvanç, Merih; Karaca, Hülya (2010)Günümüzde tüketicilerin kimyasal katkı maddesi içermeyen, doğal ve sağlığı olumlu yönde etkileyen özelliklere sahip ürünlere karşı ilgisinin artmış olması bu konuda yapılan çalışmalara hız kazandırmıştır. Bu bağlamda, süt, ... -
Characterization of lactic acid bacteria from Turkish Pastirma
Dinçer, Emine; Kıvanç, Merih (Springer, 2012)A total of 92 lactic acid bacteria (LAB) isolated from Turkish PastA +/- rma (a salted and dry-cured meat product) were identified by means of phenotypic characteristics. Of these, 45 exhibited a different phenotypic ... -
Characterization of Rhizobium Sp. isolated from bean
Küçük, Çiğdem; Kıvanç, Merih; Kınacı, Engin (2006)Thirty nodule isolates from bean (Phaseolus vulgaris L.) grown in Eskişehir were studied for their physiological and biochemical characteristics. Most isolates produced abundant extracellular polysaccharides, tolerated ... -
Characterization of Rhizobium Sp. Isolated from bean
Küçük, Çiğdem; Kıvanç, Merih; Kınacı, Engin (2006)Eskişehir'de yetiştirilen fasulyelerden elde edilen otuz nodul izolatının fizyolojik ve biyokimyasal özellikleri çalışılmıştır. İzolatların çoğu ekstrasellüler polisakkarit üretmiş, yüksek tuz konsantrasyonuna (% 5 NaCl) ... -
Comparison of Biofilm Formation Capacities of Two Clinical Isolates of Staphylococcus Epidermidis with and without icaA and icaD Genes on Intraocular Lenses
Kıvanç, Sertaç Argun; Kıvanç, Merih; Kılıç, Volkan; Güllülü, Gülay; Özmen, Ahmet Tuncer (Turkish Ophthalmological Soc, 2017)Objectives: To compare biofilm formations of two Staphylococcus epidermidis (S. epidermidis) isolates with known biofilm formation capacities on four different intraocular lenses (IOL) that have not been studied before. ... -
Cytotoxic effects of various lactic acid bacteria on Caco-2 cells
Er, Sevda; Koparal, Ayşe Tansu; Kıvanç, Merih (Tubitak Scientific & Technical Research Council Turkey, 2015)Probiotics are live microbial food supplements that can be considered a functional food. They benefit the health of a host animal by maintaining their intestinal microbial balance. Most probiotic microorganisms are lactic ... -
Determination of the growth and solubilization capabilities of Trichoderma harzianum T1
Küçük, Çiğdem; Kıvanç, Merih; Kınacı, Engin; Kınacı, Gülcan (Springer, 2008)The growth capability of Trichoderma harzianum Rifaii T1 was tested on Malt Extract and Czapeks Dox agar containing different concentrations of Cu2+, Zn2+, Mn2+, Fe2+ and Ca2+. The T. harzianum T1 isolate was observed to ... -
Effect of formulation on the viability of biocontrol agent, Trichoderma harzianum conidia
Küçük, Çiğdem; Kıvanç, Merih (Academic Journals, 2005)A zeolite-water heterogeneous mixture ( 1: 2 w/v) was found suitable medium for growing Turkish isolate of Trichoderma harzianum T1. Pelletized formulations of zeolite containing conidia of Turkish isolate of Trichoderma ... -
Effect of Laser trilobum spice on natural microflora of köfte, a Turkish ground meat product
Kıvanç, Merih; Akgül, A. (1991)The effect of Laser trilobum spice on natural microflora of „köfte”, a Turkish ground meat product, prepared using three beef samples and stored at 7 °C and 20 °C was evaluated. Little or no inhibition was seen in all ... -
The effect of Rhizobium spp. inoculation on seed quality of bean in Turkey
Küçük, Çiğdem; Kıvanç, Merih (2008)Rhizobium spp. (local isolate) was used to inoculate three bean (Phaseolus vulgaris L.) varieties; Akman 98, Göynük 98 and Şehirali 90, in a factorial field experiment. The objective of the experiment was to study effect ... -
Effects of fungicides, antibiotics and NaCI in Rhizobium Sp. isolated from clover root nodules
Küçük, Çiğdem; Kıvanç, Merih (2009)Experiments were designed to evaluate the usefulness of Rhizobium sp. obtained from clover root nodules in the soil where fungicides, antibiotics and NaCI concentrations presence. The effect of fungicides, antibiotics and ... -
EFFECTS OF FUNGICIDES, ANTIBIOTICS AND NaCl IN Rhizobium Sp ISOLATED FROM CLOVER ROOT NODULES
Küçük, Çiğdem; Kıvanç, Merih (Parlar Scientific Publications (PSP), 2009)Experiments were designed to evaluate the usefulness of Rhizobium sp. obtained from clover root nodules in the soil where fungicides, antibiotics and NaCl concentrations presence. The effect of fungicides, antibiotics and ... -
Efficacy of Trichoderma harzianum (Rifaii) on inhibition of ascochyta blight disease of chickpea
Küçük, Cidgem; Kıvanç, Merih; Kınacı, Engin; Kınacı, Gülcan (Springer, 2007)Trichoderma harzianum is a widely distributed soil fungus that antagonises numerous fungal phytopathogens. In this study, interactions between the T. harzianum isolates and Ascochyta rabiei in experiments on agar growth ... -
Extracellular polysaccharide production by Rhizobium ciceri from Turkey
Kücük, Çiğdem; Kıvanç, Merih (Springer, 2009)The ability of the Rhizobium ciceri, to produce extracellular polysaccharides (EPS) was investigated. Tested carbon and nitrogen sources influced EPS synthesis when R. ciceri Rc5 was grown in a chemically defined medium. ...