Kurum Yazarı "Kıvanç, Merih" Biyoloji Bölümü 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 ... -
Bacteriocin production by bean root bacteria
Küçük, Çiğdem; Kıvanç, Merih (World Scientific Publ Co Pte LTD, 2011)Bacteriocin production of native isolates of Rhizobium was investigation. Six isolates of bacteriocin producing Rhizobium bacteria were isolated from bean root nodules in Turkey. Isolate Y39 characterized in this study was ... -
Beta carotene production from industrial waste by Phycomyces nitens
Kıvanç, Merih; Kahyaoğlu, Mustafa (Elsevier Science BV, 2008)… -
beta-Carotene production by means of fermentation from industrial waste
Kıvanç, Merih; Kahyaoğlu, Mustafa (Elsevier Science BV, 2009)… -
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)Eskişehir'de yetiştirilen fasulyelerden elde edilen otuz nodul izolatının fizyolojik ve biyokimyasal özellikleri çalışılmıştır. İzolatların çoğu ekstrasellüler polisakkarit üretmiş, yüksek tuz konsantrasyonuna (% 5 NaCl) ... -
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. ... -
Contamination of eyedrops used for diagnostic purposes in outpatients clinics: Are we aware?
Kıvanç, Sertaç Argun; Budak, Berna Akova; Ulusoy, Mahmut Oğuz; Güler, Burçin; Yücel, Ahmet Ali; Kıvanç, Merih (Assoc Research Vision Ophthalmology Inc, 2017)… -
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 ... -
Cytotoxic effects of Weissella confusa on human colon adenocarcinoma cells (Caco-2 cells)
Er, Sevda; Koparal, Ayşe Tansu; Kıvanç, Merih (Wiley-Blackwell, 2011)… -
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 Bacillus sp isolated from the soil against some Fusarium strains
Dinçer, Emine; Dağ, Mehmet Salih; Kıvanç, Merih (World Scientific Publ Co Pte LTD, 2012)In this study a total of 16 Bacillus strains isolated from the some soil examples in Turkey. Also fungi were isolated from diseased sugar beets by using Rose Bengal Chloramphenicol (RBC) Agar and incubated at 25 degrees C ... -
Effect of Bacillus sp. isolated from the soil against some Fusarium strains
Dinçer, Emine; Dağ, Mehmet Salih; Kıvanç, Merih (World Scientific Publishing Co., 2012)In this study a total of 16 Bacillus strains isolated from the some soil examples in Turkey. Also fungi were isolated from diseased sugar beets by using Rose Bengal Chloramphenicol (RBC) Agar and incubated at 25°C for 5-7 ...