Yazar "Karaoğlu, Şengül Alpay" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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Phytochemicals, antimicrobial, and sporicidal activities of moss, Dicranum polysetum Sw., against certain honey bee bacterial pathogens
Karaoğlu, Şengül Alpay; Yaylı, Nurettin; Akpınar, Rahşan; Bozdeveci, Arif; Erik, İshak; Suyabatmaz, Şeyma; Korkmaz, Büşra; Batan, Nevzat; Kaya, Selma; Nisbet, Cevat; Güler, Ahmet (Springer, 2023)Beekeeping is an important agricultural and commercial activity globally practiced. Honey bee is attacked by certain infectious pathogens. Most important brood diseases are bacterial including American Foulbrood (AFB), ... -
Purification and characterization of an extracellular lipase from Mucor hiemalis f. corticola isolated from soil
Ülker, Serdar; Karaoğlu, Şengül Alpay (Elsevier, 2012)We have screened 39 microfungi isolates originated from soil in terms of lipolytic activity. Out of all screened, a novel strain of Mucor hiemalis f. corticola was determined to have the highest lipase activity. The ... -
Syntheses and biological activities of new hybrid molecules containing different heterocyclic moieties
Ceylan, Şule; Bektaş, Hakan; Bayrak, Hacer; Demirbaş, Neslihan; Karaoğlu, Şengül Alpay; Ülker, Serdar (Wiley, 2013)4-Aryl-5-(pyridin-3-yl)-4H-1,2,4-triazole-3-(thi)oles 5-7, obtained starting from nicotinic acid hydrazide were converted to the corresponding Mannich bases 12-24 by the reaction with several heterocyclic amines in the ... -
Synthesis of hydroxy benzoin/benzil analogs and investigation of their antioxidant, antimicrobial, enzyme inhibition, and cytotoxic activities
Yaylı, Nurettin; Kılıç, Gözde; Çelik, Gözde; Kahriman, Nuran; Kanbolat, Şeyda; Bozdeveci, Arif; Karaoğlu, Şengül Alpay; Aliyazıcıoğlu, Rezzan; Sellitepe, Hasan Erdinç; Doğan, İnce Selin; Aydın, Ali (Scientific Technical Research Council Turkey - TUBİTAK, 2021)In this study, hydroxy benzoin (1-7), benzil (8-14), and benzoin/benzil-O-beta-D-glucosides (15-25) were synthesized to investigate their biological activities. An efficient method for synthesizing hydroxy benzoin compounds ... -
Synthesis of novel symmetrical 1,4-disubstituted 1,2,3-bistriazole derivatives via 'click chemistry' and their biological evaluation
Düğdü, Esra; Unluer, Dilek; Çelik, Fatih; Sancak, Kemal; Karaoğlu, Şengül Alpay; Özel, Arzu (Mdpi, 2016)A series of symmetric bis-1,2,3-triazole compounds 2-5(a-f) were synthesized as potential antioxidant agents via click chemistry. Their structures were confirmed by H-1-NMR and C-13-NMR. All of the synthesized compounds ... -
Synthesis of some new 1,2,4-triazoles starting from isonicotinic acid hydrazide and evaluation of their antimicrobial activities
Bayrak, Hacer; Demirbağ, Ahmet; Demirbaş, Neslihan; Karaoğlu, Şengül Alpay (Elsevier, 2009)5-Pyridin-4-yl-1,3,4-oxadiazole-2-thiol (2) was obtained from the reaction of isonicotinic acid hydrazide with carbon disulfide in basic media and converted into 4-amino-5-pyridin-4-yl-4H-1,2,4-triazole-3-thiol (5) by the ... -
Synthesis of some new 1,2,4-triazoles, their Mannich and Schiff bases and evaluation of their antimicrobial activities
Bayrak, Hacer; Demirbaş, Ahmet; Karaoğlu, Şengül Alpay; Demirbaş, Neslihan (Elsevier, 2009)4-Phenyl-5-pyridin-4-yl-4H-1,2,4-triazole-3-thiol (3) was obtained in basic media via the formation of 2-isonicotinoyl-N-phenylhydrazinecarbothioamide (2), and converted to some alkylated derivatives (4a,b) and Mannich ... -
Synthesis of some new 1,3,4-thiadiazol-2-ylmethyl-1,2,4-triazole derivatives and investigation of their antimicrobial activities
Demirbaş, Ahmet; Şahin, Deniz; Demirbaş, Neslihan; Karaoğlu, Şengül Alpay (Elsevier, 2009)4-Amino-2-[(5-arylamino-4,5-dihydro-1,3,4-thiadiazol-2-yl)methyl]-5-(4-methylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-ones (3a-c) were obtained in acidic media via the formation of 2-[(4-amino-3-aryl-5-oxo-4,5-dihydro-1H-1 ... -
Synthesis, antimicrobial activities, and molecular modeling studies of agents for the sortase a enzyme
Tatar Yılmaz, Gizem; Yaylı, Nurettin; Tüzüner, Tamer; Bozdal, Gözde; Salmanlı, Merve; Renda, Gülin; Korkmaz, Büşra; Bozdeveci, Arif; Alpay Karaoğlu, Şengül (Wiley, 2024)Sortase A (SrtA) is an attractive target for developing new anti-infective drugs that aim to interfere with essential virulence mechanisms, such as adhesion to host cells and biofilm formation. Herein, twenty hydroxy, ... -
Synthesis, biological evaluation (antioxidant, antimicrobial, enzyme inhibition, and cytotoxic) and molecular docking study of hydroxy methoxy benzoin/benzil analogous
Yaylı, Nurettin; Kılıç, Gözde; Kahriman, Nuran; Kanbolat, Şeyda; Bozdeveci, Arif; Karaoğlu, Şengül Alpay; Aliyazıcıoğlu, Rezzan; Sellitepe, Hasan Erdinç; Doğan, İnci Selin; Aydın, Ali; Tatar, Gizem (Academic Press Inc., 2021)In this work, due to the biological activity evaluation, a series of hydroxy methoxy benzoins (1–8), benzils (10–16) and methoxy benzoin/benzil-O-β-D-glucosides (17–28) were synthesized. Antioxidant (FRAP, CUPRAC, DPPH), ... -
Use of Dicranum polysetum extract against Paenibacillus larvae causing American Foulbrood under in vivo and in vitro conditions
Karaoğlu, Şengül Alpay; Bıyık, Selim; Nisbet, Cevat; Akpınar, Rahşan; Bozdeveci, Arif; Suyabatmaz, Şeyma; Güler, Ahmet; Kaya, Selma; Yeşilyurt, Aydın; Batan, Nevzat; Yaylı, Nurettin (Springer, 2023)Recent research shows that Dicranum species can be used to ameliorate the negative effects of honeybee bacterial diseases and that novel compounds isolated from these species may have the potential to treat bacterial ...