Kurum Yazarı "Karaoğlu, Şengül Alpay" Fen Edebiyat Fakültesi İçin Listeleme
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Honeybee-associated lactic acid bacteria and their probiotic potential for human use
Suyabatmaz, Şeyma; Karaoğlu, Şengül Alpay; Bozdeveci, Arif; Akpınar, Rahşan (Springer, 2023)This study aims to identify lactic acid bacteria (LAB) isolated from honeybees (Apis mellifera workers and larvae) in detail and to determine their functional probiotic properties. A total of 11 strains were classified ... -
Identification of bacteria obtained from dactylorhiza urvilleana rhizoid region, metal tolerances, bioremidant characteristics and effects on maize germination in copper presence
Esertaş, Ülkü Zeynep Üreyen; Uzunalioğlu, Emel; Bozdeveci, Arif; Karaoğlu, Şengül Alpay (Galenos Yayıncılık, 2023)Rapidly increasing industrialization and technological developments cause hazardous wastes to spread to the environment at a high rate. In our study, three bacterial (5O1, 5O8, 112O1) strains isolated from the rhizoid ... -
In vitro antioxidant and antimicrobial properties of some new 4,5-dihydro-1H-1,2,4-triazole-5-ones
Aktaş-Yokuş, Özlem; Yüksek, Haydar; Gürsoy-Kol, Özlem; Karaoğlu, Şengül Alpay (Connect Journals, 2018)In this study, 3-alkyl(aryl)-4-amino-4,5-dihydro-1H-1,2,4-triazol-5-ones (3a-3h) reacted with 3-benzenesulfonyloxy-4-methoxybenzaldehyde (1a-1h) to afford eight new 3-alkyl(aryl)-4-(3-benzenesulfonyloxy-4-methoxybenzylid ... -
In vitro evaluation of antimicrobial features of vasopressors
Bostan, Habib; Tomak, Yakup; Karaoğlu, Şengül Alpay; Erdivanlı, Başar; Hancı, Volkan (Elsevier Editora Ltda, 2014)Background: Drugs administered as intravenous infusion may be contaminated during several stages of production or preparation. However studies focusing on antibacterial effects of vasopressor drugs are very rare. This study ... -
In vitro investigation of antibacterial activity of drugs used in sedation in intensive care unit
Bostan, Habib; Karaoğlu, Şengül Alpay (Carbone Editore, 2019)Introduction: Sepsis is a systemic inflammatory response to infection and is a life-threatening condition. Sedation is important such as these patients. Some drugs that used for sedation may have antimicrobial effects. the ... -
Inhibitive and prophylactic efficacy of lactic acid bacteria from Apis mellifera (Hymenoptera: Apidae) in combating Paenibacillus infections
Suyabatmaz, Şeyma; Karaoğlu, Şengül Alpay; Akpınar, Rahşan; Bozdeveci, Arif; Bıyık, Selim; Güler, Ahmet; Kaya, Selma (Taylor & Francis Ltd., 2023)Given the increasing interest in alternative methods of prevention and biological control of bacterial diseases in honey bees, the development of new approaches based on probiotic bacteria for honey bee growth, immune ... -
Investigation of antibiotic resistance profile and TEM-type β-lactamase gene carriage of ampicillin-resistant Escherichia coli strains isolated from drinking water
Karaoğlu, Şengül Alpay; Özgümüş, Osman Birol; Sevim, Elif; Kolaylı, Fetiye; Sevim, Ali; Yeşilgil, Pınar (Springer Verlag, 2007)Fifty-five ampicillin-resistant (Ampr) Escherichia coli strains were isolated from 51 drinking water points in Rize region containing abundant fresh water sources in Turkey during the years 2000 to 2002 and from January ... -
Investigation of wound healing potentials of Lysimachia verticillaris and Lysimachia vulgaris: In vivo and in vitro studies
Kanbolat, Şeyda; Badem, Merve; Şener, Sıla Özlem; Korkmaz, Nuriye; Kulaber, Ali; Aliyazıcıoğlu, Rezzan; Yenilmez, Engin; Özgen, Ufuk; Karaoğlu, Şengül Alpay (Elsevier, 2023)In this study, the wound healing potential of L. verticillaris and L. vulgaris were investigated in vivo with the “Circular Excision Wound Model”. Changes in wound healing have been observed with biological activity and ... -
Isolation, characterization, and comparative genomic analysis of vB_PlaM_Pd22F, a new bacteriophage of the family Myoviridae
Bozdeveci, Arif; Karali, Merve; Akpınar, Rahşan; Karaoğlu, Şengül Alpay (Springer, 2022)The use of phage and phage-based products for the prevention and treatment of bee disease is one of the promising natural alternatives to chemical or antibiotic treatments in beekeeping. A novel lysogenic bacteriophage, ... -
Isolation, characterization, and comparative genomic analysis of vB_PlaP_SV21, new bacteriophage of Paenibacillus larvae
Bozdeveci, Arif; Akpınar, Rahşan; Karaoğlu, Şengül Alpay (Elsevier, 2021)Paenibacillus larvae cause an American foulbrood disease (AFB) that is responsible for the extinction of honeybee colonies and is a honeybee bacterial disease that has to be obligatory notified worldwide. Recently, ... -
Isolation, characterization, and genetic diversity of Paenibacillus larvae from AFB suspected specimens in the Central and Eastern Black Sea Regions
Karaoğlu, Şengül Alpay; Bozdeveci, Arif; Çetin, Müberra Pınarbaş; Sevim, Elif; Suyabatmaz, Şeyma; Akpınar, Rahşan (Springer, 2023)American foulbrood is an important bacterial disease affecting the larvae of honey bees (Apis mellifera L.) caused by Paenibacillus larvae. Due to easy transmission of disease and the ability of bacteria to create spores, ... -
Isolation, production, and characterization of an extracellular lipase from Trichoderma harzianum isolated from soil
Bu çalışma, Trichoderma harzianum lipazının karakterizasyonu hakkında ilk rapordur. Yeni bir suş olan Trichoderma harzianum IDM14D topraktan izole edildi. İzole edilen bu suş, lipaz üretimi için çalkalamalı kültürde 30 ... -
Microbial energy production
Beriş, Fatih Şaban; Karaoğlu, Şengül Alpay (Elsevier Inc., 2018)Today's increasing energy needs and the environmental damage of fossil fuels have prompted humankind to seek new and sustainable energy sources. Besides solar energy, seas, oceans, and wind energy, the metabolic pathways ... -
Microwave assisted essential oil analysis and antimicrobial activity of M. alpestris subsp. alpestris
Cansu, Tayyibe Beyza; Yücel, Murat; Sinek, Kadriye; Baltacı, Cemalettin; Karaoğlu, Şengül Alpay; Yaylı, Nurettin (2011)The present work describes the chemical composition and antimicrobial activity of the essential oil of Myosotis alpestris F.W. Schmidt subsp. alpestris (Boraginaceae). The essential oil was obtained from all parts of the ... -
Microwave assisted synthesis of some hybrid molecules derived from norfloxacin and investigation of their biological activities
Menteşe, Meltem Yolal; Bayrak, Hacer; Uygun, Yıldız; Mermer, Arif; Ülker, Serdar; Karaoğlu, Şengül Alpay; Demirbaş, Neslihan (Elsevier France-Editions Scientifiques Medicales Elsevier, 2013)Norfloxacin was converted to 7-(4-amino-2-fluorophenyl)piperazin derivative (2) via the formation of nitro compound. the synthesis of the norfloxacin derivatives containing 1,3-thiazole or 1,3-thiazolidin moiety was performed ... -
Microwave-assisted synthesis of 4′-azaflavones and their n-alkyl derivatives with biological activities
Yaşar, Ahmet; Akapınar, Kurtuluş; Burnaz, Nesibe Arslan; Küçük, Murat; Karaoğlu, Şengül Alpay; Doğan, Neşe; Yaylı, Nurettin (Wiley, 2008)4?-Azaflavone (=2-(pyridin-4-yl)-4H-1-benzopyran-4-one; 4) and 3-[(pyridin-4-yl)methyl]-4?-azaflavone (5) were synthesized by a simple environmentally friendly microwave-assisted one-pot method through the cyclization of ... -
Microwave-assisted synthesis of novel mannich base and conazole derivatives containing biologically active pharmacological groups
Cebeci, Yıldız Uygun; Ceylan, Şule; Demirbaş, Neslihan; Karaoğlu, Şengül Alpay (Bentham Science Publishers, 2021)Background: The aim of this study was to synthesize new Mannich bases and conazol derivatives with biological activity by the microwave-assisted method. Introduction: 1,2,4-Triazole-3-one (3) acquired from tryptamine was ... -
Microwave-assisted synthesis of some novel benzimidazole derivatives containing imine function and evaluation of their antimicrobial activity
Kahveci, Bahittin; Yılmaz, Fatih; Menteşe, Emre; Özil, Musa; Karaoğlu, Şengül Alpay (Wiley, 2014)4-Bromo-o-phenylenediamine and ethylimido-p-bromophenylacetate, 1, were subjected to microwave irradiation to synthesize benzimidazole derivative, compound 2. Ester derivative, 3, and hydrazide derivative, 4, of compound ... -
Molecular characterization of antibiotic resistant Escherichia coli strains isolated from tap and spring waters in a coastal region in Turkey
A hundred and seventeen antibiotic-resistant Escherichia coli strains were isolated from public tap and spring waters which were polluted by fecal coliforms. There were no significant differences between two water sources ... -
Molecular docking, synthesis and biological evaluation (enzyme inhibition, antimicrobial and antioxidant) of methoxy benzoin/benzil/stilbenoid derivatives
Yaylı, Nurettin; Kahriman, Nuran; Kılıç, Gözde; Serdaroğlu, Vildan; Aliyazıcıoğlu, Rezzan; Sellitepe, Hasan Erdinç; Karaoğlu, Şengül Alpay; Yılmaz, Gizem Tatar (ACG Publications, 2022)In this study. methoxy benzoin compounds (1-10) were synthesized from the corresponding aromatic aldehydes based on a screening of biological activity. Oxidation and reduction of benzoins (1-10) yielded the corresponding ...