ORCID "AKAR, ZEYNEP / 0000-0001-9262-8070" Scopus İndeksli Yayınlar Koleksiyonu için listeleme
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Antioxidant components of Viburnum opulus L. determined by on-line HPLC-UV-ABTS radical scavenging and LC-UV-ESI-MS methods
Karacelik, Ayca Aktas; Kucuk, Murat; Iskefiyeli, Zeynep; Aydemir, Sezgin; De Smet, Seppe; Miserez, Bram; Sandra, Patrick (Elsevier Sci Ltd, 2015)Antioxidant activity of the juice and seed and skin extracts prepared with methanol, acetonitrile, and water of Viburnum opulus L. grown in Eastern Black Sea Region were studied with an on-line HPLC-ABTS method and off-line ... -
A new colorimetric DPPH center dot scavenging activity method with no need for a spectrophotometer applied on synthetic and natural antioxidants and medicinal herbs
Akar, Zeynep; Kucuk, Murat; Dogan, Hacer (Taylor & Francis Ltd, 2017)2,2-Diphenyl-1-picrylhydrazyl (DPPH center dot) radical scavenging, the most commonly used antioxidant method with more than seventeen thousand articles cited, is very practical; however, as with most assays, it has the ... -
An on-line HPLC system for detection of antioxidant compounds in some plant extracts by comparing three different methods
Burnaz, Nesibe Arslan; Kucuk, Murat; Akar, Zeynep (Elsevier Science Bv, 2017)Echinacea (Echinacea purpurea), green tea (Camellia sinensis) and yaylacayi (Thymus praecox OPIZ subsp. grossheimii (Ronniger) Jalas) are herbs used in traditional medicine because of their beneficial health effects. A ... -
Synthesis and biological evaluation of a new series of 4-alkoxy-2-arylquinoline derivatives as potential antituberculosis agents
Tosun, Gonca; Arslan, Tayfun; Iskefiyeli, Zeynep; Kucuk, Murat; Karaoglu, Sengul Alpay; Yayli, Nurettin (Scientific Technical Research Council Turkey-Tubitak, 2015)Three new series of 33 quinolone compounds, 2-(2-, 3-, and 4-fluoropheny1)-4-0-alkyl(C5-15) quinolines (7a-k, 8a-k, and 9a-k), were synthesized from 2-(2-, 3-, and 4-fluoropheny1)-2,3-dihydroquinolin-4(1H)-one (4, 5, and ... -
Synthesis of new 1,2,4-triazole compounds containing Schiff and Mannich bases (morpholine) with antioxidant and antimicrobial activities
Unver, Yasemin; Deniz, Sadik; Celik, Fatih; Akar, Zeynep; Kucuk, Murat; Sancak, Kemal (Taylor & Francis Ltd, 2016)Compound 2 was synthesized by reacting CS2/KOH with compound 1. The treatment of compound 2 with hydrazine hydrate produced compound 3. Then, compound 3 was converted to Schiff bases (4a-d) by the handling with several ...