Yazar "RTEÜ, Teknik Bilimler Meslek Yüksekokulu, Kimya ve Kimyasal İşleme Teknolojileri Bölümü" için listeleme
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Acetate bridged dinuclear Cu(II) complexes with ferrocene based benzimidazol ligands: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
Karaoğlu, Kaan; Emirik, Mustafa; Menteşe, Emre; Zengin, Ali; Serbest, Kerim (Pergamon-Elsevier Science Ltd, 2016)Two new benzimidazole ligands, 1-[(E)-ferrocenylmethylidenehydrazino]-2-{5,6-dichloro-2-[(o-chloro-phenyl)methyl]-1,3-diaza-1H-inden-1-yl}-1-ethanone (1) and 1-[(E)-ferrocenylmethylidenehydrazino]-2-{2-[p-(trifluoromethy ... -
Catalytic activity of palladium doped activated carbon from waste coffee on some environmental pollutants
Karaoğlu, Kaan; Özçifçi, Zehra; Çalışkan, Melike; Baran, Talat; Akçay, Hakkı Türker (Elsevier, 2022)The presence of nitro compounds and such commercial dyes as Congo red, methylene blue, methyl orange and methyl red in water/wastewater causes environmental issues. The treatment of such industrial contaminants, new efficient ... -
Characterization of microplastic pollution in tadpoles living in small water-bodies from Rize, the northeast of Turkey
Karaoğlu, Kaan; Gül, Serkan (Pergamon-Elsevier Science Ltd, 2020)Microplastic pollution is a growing problem for Turkey and other countries, but most studies focus on the pollution in oceans and seas. To understand the relationship between microplastics, fresh water, and terrestrial ... -
Design and synthesis of some piperazine hybrid molecules
Yılmaz, Fatih; Menteşe, Meltem (Editura Acad Romane, 2017)In this work, a new series of piperazine hybrid molecules containing coumarin, isatin, salicyl, furane and 1,2,4-triazol-3-thiol moieties was synthesized in good yields. 2-[4-(4-Nitrophenyl)piperazin-1-yl] acetohydrazide ... -
Detection of Fe2+ in acetonitrile/water mixture by new 8-hydroxyquinolin based sensor through metal displacement mechanism
Karaoğlu, Kaan; Akçay, Hakkı Türker; Yılmaz, İsmail (Elsevier Science Bv, 2017)A 8-hydroxyquinoline-based (8-HQ) fluorescent ligand (2) was designed and synthesized by condensation of pyridine-2-carboxaldehide with 2-(quinolin-8-yloxy)acetohydrazide (1). Fluorometric titrations with various metal ... -
Experimental investigation of the behaviour and capacity of sheathed cold-formed steel stud walls under inward flexural loading
Yılmaz, Fatih; Becque, Jurgen; Mojtabaei, Seyed Mohammad; Hajirasouliha, Iman (Elsevier, 2023)A comprehensive experimental programme was designed and executed with the aim of investigating the out-ofplane bending behaviour and capacity of cold-formed steel (CFS) stud walls sheathed with wood-based boards. The ... -
Mesoporous chromium oxide doped palladium catalysis for cyanation reaction of some aryl halides
Karaoğlu, Kaan; Akçay, Hakkı Türker; Özçifçi, Zehra; Çalışkan, Melike; Baran, Talat (Elsevier, 2021)A Pd/Cr2O3 hybrid catalyst for cyanation reaction of some aryl halides was synthesized and characterized by XRD, SEM/EDS and TEM. The porous structure of the catalyst was also investigated by BET analysis. All XRD ... -
Nano-sized and microporous palladium catalyst supported on modified chitosan/cigarette butt composite for treatment of environmental contaminants
Baran, Talat; Karaoğlu, Kaan; Nasrollahzadeh, Mahmoud (Elsevier, 2022)This study reports a versatile process for the fabrication of a microporous heterogeneous palladium nanocatalyst on a novel spherical, biodegradable, and chemically/physically resistant catalyst support consisting of ... -
A new activated carbon-supported Pd-ZnO catalyst for Heck Cross-coupling reactions
Karaoğlu, Kaan; Özçifçi, Zehra; Çalışkan, Melike; Akçay, Hakkı Türker; Baran, Talat (Elsevier, 2023)In this work, to develop catalysts for Heck-type coupling reactions, a hybrid ZnO-Pd nanocatalyst was fabricated on activated carbon sourced from polymer debris. Such techniques as transmission electron microscopy (TEM), ... -
New Chromenylium-cyanine based dual channel chemosensors for copper and hypochlorite sensing
Karaoğlu, Kaan; Kaya, Kerem; Yılmaz, İsmail (Elsevier Sci Ltd, 2020)Based on a change in optical properties of chromenylium-cyanine Schiff base derivatives (5a-c), a series of colorimetric dual sensors have been for the first time designed, synthesized and characterized to monitor Cu2+ and ... -
A new chromenylium-cyanine chemosensor for switch-ON near-infrared copper (II) sensing
Karaoğlu, Kaan (Elsevier, 2020)A highly selective and sensitive near-IR chemosensor having a chromenylium-cyanine backbone for the detection of Cu2+ in aqueous samples has been designed and synthesized. the sensor has exhibited linear optical response ... -
New ferrocenyl naphthoquinone fused crown ether chemosensors: Highly selective, kinetically and regio controlled colorimetric, beryllium ion recognition
Alçay, Yusuf; Yavuz, Özgür; Gelir, Ali; Atasen, Seçil Kırlangıç; Karaoğlu, Kaan; Yücel, Barış; Tüzün, Nurcan Şenyurt; Yılmaz, İsmail (Elsevier Science Sa, 2018)New organometallic chemosensors which are based on triad molecules, ferrocenyl naphthoquinone linearly/angularly fused crown ethers (Fc-cnq-1a and Fc-cnq-1b) bearing ferrocene, quinone, and crown ether functional groups ... -
A new fluorescent "turn-off" coumarin-based chemosensor: Synthesis, structure and Cu-selective fluorescent sensing in water samples
Karaoğlu, Kaan; Yılmaz, Fatih; Menteşe, Emre (Springer/Plenum Publishers, 2017)We report the synthesis and characterization two coumarin-based fluorescence probes, N'-{[7-(diethylamino)-2-oxo-2H-chromen-3-yl]carbonyl}pyridine-3-carbohydrazide (3) and N'-benzoyl-7-(diethylamino)-2-oxo-2H-chromene-3- ... -
Preparation and characterization of the highly efficient tetraphenylimidazole substituted Phthalocyanine/ZnO composite and investigation of its effect on the photocatalytic degradation of Rhodamine B and 2,4,6-trichlorophenol
Karaoğlu, Kaan; Yüzüak, Gizem Durak; Yüzüak, Ercüment; Turan, Hanife; Akçay, Hakkı Türker (Elsevier, 2024)Growing concerns about industrial waste-induced environmental degradation have driven research towards sustainable solutions. Photocatalytic degradation, fueled by light and avoiding harmful chemicals, offers a promising ... -
Studies on synthesis, structure, and DNA cleaving of homo-dinuclear Mn(II), Cu(II), Ni(II), and Zn(II) complexes with a heterocycle-based macroacyclic Schiff base
Baran, Talat; Karaoğlu, Kaan; Serbest, Kerim; Ağır, Hülya; Sandallı, Cemal; Değirmencioğlu, İsmail (Springer Wien, 2013)(E,E',E'',E''')-N,N',N'',N'''-[(1,2-ethenyliden)tetrakis[methylenoxy(2,1-naphthalinediyl)methylidyne]tetrakis[1,2,4-triazol-4-amine] and its novel homo-dinuclear Mn(II), Ni(II), Cu(II), and Zn(II) complexes have been ... -
Synthesis and biological evaluation of some succinimide hybrid molecules
Yılmaz, Fatih; Menteşe, Emre; Baltaş, Nimet (Maik Nauka/Interperiodica/Springer, 2019)In this study, a new series of succinimide hybrid molecules containing isothiocyanate, coumarin, isatin, and furan moieties was synthesized and screened for alpha-glucosidase and antioxidant activities. Preliminary results ... -
Synthesis and characterisation of some new hybrid molecules containing thiophene, triazole and coumarin rings under microwave conditions
Yılmaz, Fatih (Sage Publications Ltd, 2018)In this work, a new series of N'-{[4-amino-5-oxo-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetyl}-2-oxo-2H-1-benzopyran-3-carbohydrazides (thiophene-triazole-coumarin hybrid molecules) was synthesised from the ... -
Synthesis of some benzimidazole-thiophene hybrids as potential urease and lipase inhibitors
Yılmaz, Fatih; Menteşe, Emre; Sökmen, Bahar Bilgin (Springer Link, 2023)In this study, some benzimidazole-thiophene hybrid compounds containing isatin and salicyl moieties were synthesized and investigated for their urease and lipase inhibition properties. Most of the synthesized compounds ... -
Synthesis, structural, magnetic and thermal studies of copper(II) 5,5-diethylbarbiturate complexes with nicotinamide, 2,2'-bipyridine and triethanolamine
Yılmaz, Veysel T.; Yılmaz, Fatih; İçsel, Ceyda; Aygün, Muhittin (Taylor & Francis Ltd., 2023)Three new copper(II) 5,5-diethylbarbiturate (barb) complexes of nicotinamide (nia), 2,2'-bipyridine (bpy) and triethanolamine (tea), trans-[Cu(barb)(2)(nia)(2)]center dot 2H(2)O (1), cis-[Cu(barb)2(bpy)]center dot 3H(2)O ...