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Chemical Composition, Antioxidant, Anticholinesterase and Anti-Tyrosinase Activities of Essential Oils of Two Sideritis Species from Turkey
Deveci, Ebru; Tel-Çayan, Gülsen; Usluer, Özlem; Duru, Mehmet Emin (Shaheed Beheshti Univ, Sch Pharmacy, 2019)Sideritis species have been known as medicinal plants since ancient times, and used as tea in Mediterranean countries such as Turkey, Greece, and Spain. They are also used for the treatment of several ailments such as a ... -
Electrochromic and electroluminescent devices based on a novel branched quasi-dendric fluorene-carbazole-2,5-bis(2-thienyl)-1H-pyrrole system
Koyuncu, Sermet; Usluer, Özlem; Can, Mustafa; Demic, Serafettin; Içli, Sıddık; Sarıçiftçi, Niyazi Serdar (Royal Soc Chemistry, 2011)We report here the synthesis of a novel branched quasi-dendric system, 9,9'-(9,9'-dihexylfluorene-2,7-diyl)bis[3,6-bis(2,5-bis(2-thienyl) pyrrol-1-yl)carbazole], (FCSNS), in four steps, followed by coating onto an ITO-coated ... -
Fluorene-Carbazole Dendrimers: Synthesis, Thermal, Photophysical and Electroluminescent Device Properties
Usluer, Özlem; Demic, Şerafettin; Egbe, Daniel A. M.; Birckner, Eckhard; Tozlu, Cem; Pivrikas, Almantas; Sarıçiftçi, Niyazi Serdar (Wiley-V C H Verlag Gmbh, 2010)Novel hole-transporting dendrimeric molecules containing dioctylfluorene, spirobi(fluorene) and spiro(cylododecane-fluorene) as the core unit and different numbers of carbazole and thiophene moieties as the peripheral ... -
New spirobifluorene-based hole-transporting semiconductors for electroluminescent devices
Usluer, Özlem (Royal Soc Chemistry, 2014)A series of spirofluorene-centered, carbazole and thiophene-linked molecules (CFT, TCFT and CFTFC) were synthesized by Ullmann coupling and Suzuki cross-coupling reactions, and fully characterized by H-1 NMR, C-13 NMR, ... -
A Novel High-Contrast Ratio Electrochromic Material from Spiro[cyclododecane-1,9 '-fluorene]bicarbazole
Usluer, Özlem; Koyuncu, Sermet; Demic, Serafettin; Janssen, Rene A. J. (Wiley-Blackwell, 2011)A novel electroactive spirocyclododecylfluorene monomer named 2,7-bis(carbazol-9-yl)-9,9'-spiro[cyclododecane- 1,9'-fluorene] (SFC) was synthesized and electrochemically polymerized to give a very stable multi-electrochromic ... -
Synthesis and characterization of copper(II) and nickel(II) complexes of isonitrosoacetophenone 4-aminobenzoylhydrazone
Usluer, Özlem; Güp, Ramazan (Polish Chemical Soc, 2007)Two types of copper complexes as well as an oximate bridged nickel complex with a new tridentate ligand containing a monoxime and hydrazone moieties have been prepared and characterized by elemental analyses, IR, H-1 NMR, ...
