Kurum Yazarı "Kıvanç, Merih" Makale Koleksiyonu İçin Listeleme
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Fermente Gıdalardan İzole Edilen Laktik Asit Bakterilerinin Antifungal Aktivitesinin Belirlenmesi
Kıvanç, Merih; Kovancı, Pınar (2017)Bu çalışmada fermente ürünlerden izole edilen 45 laktik asit bakterisinin antifungal etkileri araştırılmıştır.Laktik asit bakterileri, mikotoksigenik Aspergillus flavus, Aspergillus fumigatus, Aspergillus parasiticusile ... -
Fermente Gıdalardan İzole Edilen Laktik Asit Bakterilerinin Tannaz Aktivitesinin Belirlenmesi
Kıvanç, Merih; Temel, Onur (2016)Bu çalışmada, daha önceki çalışmalarda fermente ürünlerden izole edilen 10 izolatın DuPont QualiconRiboPrinter®sistem ile tanımlamaları yapılmıştır. Spektrofotometrik ve görsel okuma metodu ile tannazaktivitesi belirlenmiştir. ... -
Fitazlar: Çevreye Etkisi, Beslenme ve Biyoteknolojideki Önemi
Berikten, Derya; Kıvanç, Merih (2018)Hayvanlar alemi için önemli besin kaynaklarından olan tahıllarda, baklagillerde ve yağlı tohumlarda fosfatın temel depo formu fitik asittir. Basit mideli hayvanlar ve insanlar gastrointestinal fitaz enziminden yoksun ... -
A functional food: a traditional Tarhana fermentation
Kıvanç, Merih; Funda, Ebru Güney (Soc Brasileira Ciencia Tecnologia Alimentos, 2017)White wheat flour, concentrated full fat yoghurt, tomato paste, onion, red and green paprika, and mint and salt are used in the preparation of Tarhana. During the 7-day Tarhana fermentation period, the acidity increased ... -
Göz İçi Lensler Üzerinde, icaA ve icaD Genleri Pozitif ve Negatif olan İki Staphylococcus Epidermidis Klinik Suşunun Biyofilm Oluşturma Özelliklerinin Karşılaştırılması
Amaç: Biyofilm oluşturma kapasiteleri bilinen iki Staphylococcus epidermidis (S. epidermidis) izolatının daha önce çalışılmamış dört farklı göz içi lensi (GİL) üzerinde biyofilm oluşturma özelliklerinin karşılaştırılmasıdır.Gereç ... -
Havadan ve topraktan izole edilen actinomycete türlerinin antibiyotik aktivitesinin araştırılması
Fıçıcı, Elif; Kıvanç, Merih; Konuk, Muhsin (2003)Havadan ve topraktan izole edilen Actinomycete türlerinin antimikrobiyal aktivitesinin belirlenmesinin amaçlandığı araştırmamızda, 83 Actinomycete türü ile çalışılmıştır. Topraktan izole edilen 24, havadan izole edilen 5 ... -
In vitro antifungal activity of strains of Trichoderma harzianum
Küçük, Çiğdem; Kıvanç, Merih (2004)Interactions between Trichoderma harzianum strains and some soilborne plant pathogens (Gaeumannomyces graminis var. tritici, Fusarium culmorum and F. moniliforme) were studied on PDA medium. All T. harzianum strains tested ... -
In vitro interactions and fungal populations isolated from maize rhizosphere
Küçük, Çiğdem; Kıvanç, Merih (2011)The purpose of the present study was to establish the species composition of fungi living on rhizosphere soils of maize and to establish the antagonistic activity of these fungi. In this study, 15 fungal species have been ... -
Is It Safe to Reuse Dental Implant Healing Abutments Sterilized and Serviced by Dealers of Dental Implant Manufacturers? An In Vitro Sterility Analysis
Cakan, Umut; Delilbasi, Çağrı; Er, Sevda; Kıvanç, Merih (Lippincott Williams & Wilkins, 2015)Purpose: This study was undertaken to investigate the sterility of used healing abutments sterilized and serviced by dealers of dental implant manufacturers. Materials and Methods: Sixty used but sterilized healing abutments ... -
Isolation and identification of lactic acid bacteria from boza, and their microbial activity against several reporter strains
Kıvanç, Merih; Yılmaz, Meral; Çakır, Erdoğan (Tubitak Scientific & Technical Research Council Turkey, 2011)A total of 45 lactic acid bacteria were isolated from 10 different boza samples consumed in Turkey. The isolates were identified with respect to colonial, cellular morphology, and biochemical characters based on API CHL50 ... -
Isolation of gallic acid-producing microorganisms and their use in the production of gallic acid from gall nuts and sumac
Sarıözlü, Nalan Yılmaz; Kıvanç, Merih (Academic Journals, 2009)A total number of eighty gallic acid producing strains were isolated from forest soil or plant samples. Among these strains, thirteen isolates were selected for gallic acid production and these isolates were Aspergillus ... -
Isolation of gallic acid-producing microorganisms and their use in the production of gallic acid from gall nuts and sumac
Sarıözlü, Nalan Yılmaz; Kıvanç, Merih (2009)A total number of eighty gallic acid producing strains were isolated from forest soil or plant samples. Among these strains, thirteen isolates were selected for gallic acid production and these isolates were Aspergillus ... -
A method for the determination of tannase activity based on gallic acid measurement by high performance liquid chromatography (HPLC)
Sarıözlü, Nalan Yılmaz; Çakır, Erdoğan; Kıvanç, Merih; Tunçel, Muzaffer (Academic Journals, 2011)A new high performance liquid chromatography (HPLC) method was developed based on an indirect determination of tannase activity through gallic acid measurement using paracetamol as an internal standard. The separation was ... -
Microbiology of corneal wounds after cataract surgery: biofilm formation and antibiotic resistance patterns
Kıvanç, Sertaç Argun; Kıvanç, Merih; Bayramlar, H. (Ma Healthcare LTD, 2016)Objective: To evaluate the bacterial flora of corneal wounds at the end of cataract surgery before intracameral antibiotic use and to determine agents to treat postoperative endophthalmitis, the potential for biofilm ... -
The Occurrence of Aeromonas in Drinking Water, Tap Water and the Porsuk River
Kıvanç, Merih; Yılmaz, Meral; Demir, Filiz (Soc Brasileira Microbiologia, 2011)The occurrence of Aeromonas spp. in the Porsuk River, public drinking water and tap water in the City of Eskisehir (Turkey) was monitored. Fresh water samples were collected from several sampling sites during a period of ... -
Optimization of Solid-State Fermentation for Phytase Production By Thermomyces Lanuginosus Using Response Surface Methodology
Berikten, Derya; Kıvanç, Merih (Taylor & Francis Inc, 2014)A strain of Thermomyces lanuginosus, isolated from hot spring water in Turkey, was studied for optimization of phytase production using solid-state fermentation. Effects on fermentation of different production parameters ... -
Preliminary characterization of Rhizobium strains isolated from chickpea nodules
Küçük, Çiğdem; Kıvanç, Merih (Academic Journals, 2008)A total of 28 Rhizobium strains from chickpea nodules were characterized on the basis of morphological, cultural and biochemical characteristics. Most strains produced abundant extracellular polysaccharides, were tolerant ... -
Probiotics: can they be used to improve oral health?
Güngör, O. E.; Kirzioğlu, Z.; Kıvanç, Merih (Wageningen Academic Publishers, 2015)The role of probiotic bacteria in improving human health has been an attractive subject for researchers since the beginning of the 20th century. They have been used to control gastro-intestinal infections, to promote ... -
Production of Poly-Beta-Hydroxybutyrate and Antimicrobial Activity By Bacillus Spp. From Turkey
Küçük, Çiğdem; Kıvanç, Merih (Parlar Scientific Publications (PSP), 2010)Effects of metabolites produced by Bacillus spp. on Fusarium spp. and poly-beta-hydroxybutyrate (PHB) production by Bacillus isolates were investigated. Antimicrobial activity produced by Bacillus species was obtained on ... -
PRODUCTION OF POLY-beta-HYDROXYBUTYRIC ACID BY RHIZOBIUM SP.
Kıvanç, Merih; Dombayci, Nilüfer (Parlar Scientific Publications (PSP), 2016)The plastic materials produced from petroleum based chemicals cause serious environmental waste problems all over the world when they are discarded after use. As an answer for this environmental anxiety, the usage of ...