Kurum Yazarı "Kıvanç, Merih" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Antagonistic Action of Lactic Cultures Toward Spoilage and Pathogenic Microorganisms in Food
Kıvanç, Merih (Vch Publishers Inc, 1990)… -
Antibiotic susceptibility, antibacterial activity and characterisation of Enterococcus faecium strains isolated from breast milk
Kıvanç, Sertaç Argun; Kıvanç, Merih; Yiğit, Tülay (Spandidos Publ LTD, 2016)Enterococci, which have useful biotechnological applications, produce bacteriocins, including those that exert anti-Listerial activity. The present study aimed to determine the antibiotic susceptibility patterns and ... -
Anticandidal activities of lactic acid bacteria isolated from the vagina
Er, Sevda; Istanbullu Tosun, Ayfe; Arık, Gizem; Kıvanç, Merih (Tubitak Scientific & Technical Research Council Turkey, 2019)Background/aim: Lactic acid bacteria prevent the overgrowth of pathogenic agents and opportunistic pathogens in the vagina. Moreover, lactic acid bacteria contribute to the preservation of vaginal microbiota by producing ... -
Antimicrobial activity of extracts of chemical races of the lichen Pseudevernia furfuracea and their physodic acid, chloroatranorin, atranorin, and olivetoric acid constituents
Türk, Hayrettin; Yılmaz, Meral; Tay, Turgay; Türk, Ayşen Özdemir; Kıvanç, Merih (Verlag Z Naturforsch, 2006)The antimicrobial activity and the MIC values of the ethanol, chloroform, diethyl ether, and acetone extracts of the chemical races of Pseudevernia furfuracea (var. furfuracea and var. ceratea) and their physodic acid, ... -
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 ... -
The antimicrobial activity of extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent
Yılmaz, M; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin; Türk, Ayşen Özdemir (Verlag Z Naturforsch, 2005)The antimicrobial activity and the MIC values of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent have been investigated ... -
Antimicrobial activity of extracts of the lichen Xanthoparmelia pokornyi and its gyrophoric and stenosporic acid constituents
Candan, Mehmet; Yılmaz, Meral; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin (Walter De Gruyter GMBH, 2006)The antimicrobial activity of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Xanthoparmelia pokomyi and its gyrophoric acid and stenosporic acid constituents has been screened ... -
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 ... -
The bioactive essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummitt
İşcan, Gökalp; Demirci, Fatih; Kürkçüoğlu, Mine; Kıvanç, Merih; Başer, K. Hüsnü Can (Verlag der Zeitschrift fur Naturforschung, 2003)The essential oil of Heracleum sphondylium L. subsp. ternatum (Velen.) Brummit (Umbelliferae) was isolated from crushed seeds by means of hydrodistillation and analyzed by GC and GC/MS. Major components were identified as ... -
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 ... -
Biofilm forming capacity and antibiotic susceptibility of Staphylococcus spp. with the icaA/icaD/bap genotype isolated from ocular surface of patients with diabetes
Kıvanç, Sertaç Argun; Arık, Gizem; Akova-Budak, Berna; Kıvanç, Merih (Med Coll Malawi, 2018)Introduction Bacterial biofilm is an exopolysaccharide matrix that is produced by bacteria while they adhere on abiotic or biotic surfaces. The bacteria living in this matrix are more resistant to antibiotics than planctonic ... -
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 ... -
Biosorption of Pb(II) From Aqueous Solutions by a Fungal Biomass in a Batch System: Equilibrium and Kinetic Studies
Tunalı, Yağmur; Karaca, Hülya; Tay, Turgay; Kıvanç, Merih; Bayramoğlu, Gülay (Asian Journal Of Chemistry, 2009)In this study, the biosorption capacity of the fungus Sporotricum sp. biomass in removing of Pb(II) ions from aqueous solution were investigated with different parameters, such as pH, temperature and initial metal ion ... -
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 ... -
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 ...