Yazar "MÜ, Fen Fakültesi, Kimya Bölümü" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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One-pot synthesis of a new 2-substituted 1,2,3-triazole 1-oxide derivative from dipyridyl ketone and isonitrosoacetophenone hydrazone: Nickel(II) complex, DNA binding and cleavage properties
Güp, Ramazan; Erer, Oktay; Dilek, Nefise (Academic Press Inc Elsevier Science, 2017)An efficient and simple one-pot synthesis of a new 1,2,3-triazole-1-oxide via reaction between isonitrosoacetophenone hydrazone and dipyridyl ketone in the EtOH/AcOH at room temperature has been developed smoothly in high ... -
Phytochemical contents, antioxidant effects, and inhibitory activities of key enzymes associated with Alzheimer's disease, ulcer, and skin disorders of Sideritis albiflora and Sideritis leptoclada
Deveci, Ebru; Tel-Çayan, Gülsen; Duru, Mehmet Emin; Öztürk, Mehmet (Wiley, 2019)In this study, urease, tyrosinase, cholinesterase inhibitory, and antioxidant activities of various extracts of Sideritis albiflora and Sideritis leptoclada were determined together with the phytochemical contents. In ... -
Phytochemical Fingerprints and Bioactivities of Ripe Disseminules (Fruit-Seeds) of Seventeen Gundelia (Kenger-Kereng Dikeni) Species from Anatolia with Chemometric Approach
Ertaş, Abdulselam; Fırat, Mehmet; Yener, İsmail; Akdeniz, Mehmet; Yiğitkan, Serkan; Bakır, Derya; Çakır, Cansel; Yılmaz, Abdullah Mustafa; Öztürk, Mehmet; Kolak, Ufak (John Wiley)Gundelia species are known as “Kenger-kereng dikeni” in Anatolia, and their aerial parts are consumed as food. Also, roots and seeds (disseminules) of the Gundelia species are used to prepare gum and coffee. The chemical ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Nadeem, Said; Anis, Itrat; Shah, Muhammad Raza (Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ... -
Porphyrin-Based Dye-Sensitized Solar Cells (DSSCs): a Review
Birel, Özgül; Nadeem, Said; Duman, Hakan (Springer/Plenum Publishers, 2017)The current review aims to collect short information about photovoltaic performance and structure of porphyrin-based sensitizers used in dye-sensitized solar cells (DSSC). Sensitizer is the key component of the DSSC device. ... -
Potassium compounds for gamma spectrometer efficiency verification
Belgin, Ezgi Eren; Aycık, G. A. (Pergamon-Elsevier Science Ltd, 2017)Now-a-days several standard and well calibrated radioactive sources are available for gamma spectrometer efficiency calibration but at some situations, like lack of standard calibrators, in need of verification of standards ... -
Protective effects of Opuntia ficus-indica extract on ram sperm quality, lipid peroxidation and DNA fragmentation during liquid storage
Allai, Larbi; Druart, Xavier; Öztürk, Mehmet; BenMoula, Anass; Nasser, Boubker; El Amiri, Bouchra (Elsevier Science Bv, 2016)The present study aimed to assess the phenolic composition of the acetone extract from Opuntia ficus indica cladodes (ACTEX) and its effects on ram semen variables, lipid peroxidation and DNA fragmentation during liquid ... -
The removal of lignin and phenol from paper mill effluents by electrocoagulation
Uğurlu, Mehmet; Gürses, A.; Doğar, C.; Yalçın, M. (Academic Press Ltd- Elsevier Science Ltd, 2008)This study aims to investigate the treatment of paper mill effluents using electrocoagulation. Removal of lignin, phenol, chemical oxygen demand (COD) and biological oxygen demand (BOD) from paper mill effluents was ... -
A Review with Updated Perspectives on Nutritional and Therapeutic Benefits of Apricot and the Industrial Application of Its Underutilized Parts
Haroon Al-Soufi, Maryam; Alshwyeh, Hussah Abdullah; Hellal, Khaoula (MDPI, 2022)Fruits maintain the image as the richest sources of vitamins. Focusing on apricots, utilization of apricot species for many applications is possible due to its various benefits. Many research studies demonstrated different ... -
Selective extraction of iron(III) from aqueous nitrate solution in the presence of cobalt(II), copper(II) and nickel(II) ions using BiS(Delta(2)-2-imidazolinyl)-5,5 '-dioxime
Teke, Mustafa; Mercimek, Bedrettin; Özler, Mehmet Ali; Ayar, Ahmet (Japan Soc Analytical Chemistry, 2004)The feasibility of using bis(Delta(2)-2-imidazolinyl)-5,5'-dioxime (H2L) for the selective extraction of iron(III) from aqueous solutions was investigated by employing an solvent-extraction technique. The extraction of ... -
Selective in vitro and in silico enzymes inhibitory activities of phenolic acids and flavonoids of food plants: Relations with oxidative stress
Yener, Ismail; Kocakaya, Safak Ozhan; Ertas, Abdulselam; Erhan, Bahadir; Kaplaner, Erhan; Oral, Elif Varhan; Kolak, Ufuk (Elsevier Sci Ltd, 2020)In this study, the inhibitory potentials of food originated 34 phenolic acids, and flavonoid compounds were screened against acetylcholinesterase, butyrylcholinesterase, urease, and tyrosinase enzymes. All compounds included ... -
A selective molecularly imprinted polymer for immobilization of acetylcholinesterase (AChE): an active enzyme targeted and efficient method
Demirci, Gökhan; Doğac, Yasemin İspirli; Teke, Mustafa (Wiley-Blackwell, 2015)In the present study, we immobilized acetylcholinesterase (AChE) enzyme onto acetylcholine removed imprinted polymer and acetylcholine containing polymer. First, the polymers were produced with acetylcholine, substrate of ... -
Silica gel functionalized with 4-phenylacetophynone 4-aminobenzoylhydrazone: Synthesis of a new chelating matrix and its application as metal ion collector
Hatay, I.; Güp, Ramazan; Ersöz, Mustafa (Elsevier Science Bv, 2008)The silica gel surface immobilized with 4-phenylacetophynone 4-aminobenzoylhydrazone (PAAH) after surface modification by 3-chloropropyltrimethoxysilane (CPTS). The modified silica gel was used for sorption of Cu(II), ... -
Structural characterization and determination of biological activities for different polysaccharides extracted from tree mushroom species
Deveci, Ebru; Çayan, Fatih; Tel-Çayan, Gülsen; Duru, Mehmet Emin (Wiley, 2019)Chemical composition and structural characterization of polysaccharides of Fomes fomentarius (FF), Fuscoporia torulosa, Ganoderma adspersum, Ganoderma applanatum (GAP), Ganoderma lucidum, Phellinus igniarius, Pleurotus ... -
Studies on the antioxidant activity of essential oil and different solvent extracts of Vitex agnus castus L. fruits from Turkey
Sarıkürkcü, Cengiz; Arısoy, Kadir; Tepe, Bektaş; Çakır, Ahmet; Abalı, Gülşah; Mete, Ebru (Pergamon-Elsevier Science Ltd, 2009)This study is designed to examine the chemical composition and antioxidant activity of the essential oil and different solvent extracts of Vitex agnus castus. GC and GC-MS analysis was resulted in the detection of 27 ... -
Studies on the antioxidant activity of the essential oil and methanol extract of Marrubium globosum subsp globosum (lamiaceae) by three different chemical assays
Sarıkürkcü, Cengiz; Tepe, Bektaş; Daferera, Dimitra; Polissiou, Moschos; Harmandar, Mansur (Elsevier Sci Ltd, 2008)This study is designed to examine the chemical composition and in vitro antioxidant activity of the essential oil and sub-fractions of the methanol extract of Marrubium globosum subsp. globosum. The GC and GC-MS analysis ... -
Synthesis and Characterisation of Biocompatible Polymer-Conjugated Magnetic Beads for Enhancement Stability of Urease
Doğaç, Yasemin İspirli; Teke, Mustafa (Springer, 2016)We reported natural polymer-conjugated magnetic featured urease systems for removal of urea effectively. The optimum temperature (20-60 A degrees C), optimum pH (3.0-10.0), kinetic parameters, thermal stability (4-70 A ... -
Synthesis and characterization of electrospun PVA/Zn2+ metal composite nanofibers for lipase immobilization with effective thermal, pH stabilities and reusability
Işık, Ceyhun; Arabacı, Gökmen; Dogaç, Yasemin İspirli; Deveci, İlyas; Teke, Mustafa (Elsevier Science Bv, 2019)Polyvinyl alcohol (PVA)/Zn2+ electrospun nanofibers that were a kind of polymer/ionic metal composite was successfully embedded in the hybrid fibers for the first time in the literature, due to chemical interactions between ... -
Synthesis and spectroscopic studies of copper(II) and nickel(II) complexes containing hydrazonic ligands and heterocyclic coligand
Güp, Ramazan; Kirkan, Bülent (Pergamon-Elsevier Science Ltd, 2005)Two types of copper(II) and nickel(II) complexes derived from benzophenone anthranoylhydrazone (L-1), 2-acetonaftanone anthranoylhydrazone (L-2), 4-phenylacetonaftonone anthranoylhydrazone (LA benzophenone salicyoylhydrazone ... -
Synthesis and spectroscopic studies of mixed-ligand and polymeric dinuclear transition metal complexes with bis-acylhydrazone tetradentate ligands and 1,10-phenanthroline
Güp, Ramazan; Kırkan, Bülent (Pergamon-Elsevier Science Ltd, 2006)Two types of dinuclear copper(II) and nickel(II) complexes with two tetradentate N2O2 donor ligands 1,4-bis(1-anthranoylhydrazonoethyl)benzene (L-1), 1,4-bis(1-salicyloylhydrazonoethyl)benzene (L-2) and N,N '-bidentate ...