Browsing Kimya Bölümü by Title
Now showing items 1-20 of 304
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2-(2ʹ-Hidroksifenil)Benzotiyazol İle Modifiye Edilmiş Silika Partiküller Kullanılarak Metal İyonlarının Adsorpsiyonu
(Fen Bilimleri Enstitüsü, 2018-08)In this study, a new material for removal of metal ions from water samples was prepared by the chemically functionalization of silica gel. The organic ligand 5-chloro-2-(2'-hydroxyphenyl)benzothiazole (HPBT) was synthesized ... -
2-(5-Bromo-2-Piridilazo)-5-(Dietilamino) Fenol Katkılanmış Silika Partiküllerin Hazırlanması ve Zn(Iı) İyonlarının Adsorpsiyonu ve Kolorimetrik Tayini İçin Kullanımı
(Fen Bilimleri Enstitüsü, 2017)The aim of this work is to develop a ligand-modified mesoporous silica adsorbent for the removal and colorimetric determination of Zn(II) ions from water samples. In this study, mesoporous (monolithic) silica material ... -
2-Ethyl-6,6-EthylEnedisulfanediyl-7-MethoxyMethyl-1,2,3,4,5,6-HexaHydro-1,5-MethanoAzocino[4,3-B]Indol-3-One
(2010)The title compound, C20H24N2O2S2, consists of a tetracyclic ring system containing an azocino skeleton with ethyl, dithiolane and methoxymethyl groups as substituents. The benzene and five-membered rings are nearly ... -
(2S,5R)-2-Isopropyl-5-Methylcyclohexanone Hydrazones
(2019)Hydrazones were obtained in 76-78% yield via condensation of (2S,5R)-2-isopropyl-5-methylcyclohexanone with 4-R-phenoxyacetic acid hydrazides in the presence of a catalytic amount of glacial acetic acid. The structure of ... -
3-Aminopropiltrietoksisilan (APTS) ile Modifiye Polimer/Halloysit Nanotüplerinin Tasarımı, Sentezi ve Karakterizasyonu
(Fen Bilimleri Enstitüsü, 2017)In this thesis study; design, synthesis and characterization of poly (maleic anhydride-alt-acrylic acid) with biological activity and polymer/clay nanocomposites to be aimed. Poly (MA-alt-AA) was synthesized by complex ... -
6,6-[Ethylenebis(sulfanediyl)]-2-(2-methoxyethyl)-1,2,3,4,5,6-hexahydro-1,5-methano-1H-azocino[4,3-B]indol-3-one
(2010)The title compound, C19H22N2O2S2, consists of a tetracyclic ring system containing an azocine skeleton with methoxyethyl and dithiolane groups as substituents. The benzene and five-membered N-heterocyclic rings are ... -
A Combined First Principles TDDFT and Experimental Study on the Uv-Vis Spectra Properties of M(P-Nitrophenyl Azo Resorcinol)(3) Complexes (M: Fe, Cr)
(Scientific Technical Research Council Turkey-Tubitak, 2014)UV-Vis absorption data of p-nitrophenyl azo resorcinol (Magneson I) and its 2 Fe(III) and Cr(III) complexes were investigated both experimentally and theoretically. The geometries were optimized at BP86/TZVP level. The ... -
A New Approach for the Determination of Trace Heavy Metals in Hair Dyeing Cosmetics
(Fen Bilimleri Enstitüsü, 2021)Although hair does not have a vital function in humans, it is an essential body component that affects appearance and self-confidence for both men and women. Cosmetic application using chemicals to change hair color is ... -
A Rare Gamma-Pyranopyrazole Skeleton: Design, One-Pot Synthesis and Computational Study
(Royal Soc Chemistry, 2016)Drawing upon a consecutive amide coupling and intramolecular cyclisation pathway, a one-pot, straight-forward synthetic route has been developed for a range of pyrazole fused gamma-pyrone derivatives. The reaction mechanism ... -
Adsorption Of Mercury(Ii) Ions By Poly(Hydroxyethylmethacryl Ate) Adsorbents With Thiazolidine Groups
(Multi Science Publ Co Ltd, 2002)A wide variety of adsorbents has been reported in the literature for heavy metal adsorption. We have recently developed a new polymer system for the removal of contaminant heavy metal ions from aquatic systems. Thus, ... -
Adsorptive Stripping Voltammetric Methods For Determination Of Aripiprazole
(Elsevier Science Bv, 2012)Anodic behavior of aripiprazole (ARP) was studied using electrochemical methods. Charge transfer, diffusion and surface coverage coefficients of adsorbed molecules and the number of electrons transferred in electrode ... -
Akrilonitril Vinil Asetat Kopolimerinin Kimyasal Modifikasyonu ve Metal Adsorpsiyonunda Kullanılması
(Fen Bilimleri Enstitüsü, 2013)A polyacrylamidoxime copolymer containing hydrophilic vinyl alcohol unit was synthesized to enhance the amount of adsorbed UO22+ ions. The increase in adsorption is thought to be arised from improvement of diffusion ability ... -
Alerjen Spesifik İmmunoglobulin E Tayini İçin Yüzey Plazmon Biyosensörlerin Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2022)Allergy is a mysterious chronic disease that causes the digestive system to be exposed to certain foods, the respiratory system to dust or pollen, or the skin to chemicals. Allergy is a very common disease affecting 10-20% ... -
Alevli Atomik Absorpsiyon Spektrometrisi Kullanılarak Su Örneklerinde Eser Miktardaki Hg(Iı) İyonlarının Tayini İçin Katılaştırılmış Yüzen Organik Damla İle Ultrason-Destekli Emülsifikasyon Mikroekstraksiyonunun Uygulanması
(Fen Bilimleri Enstitüsü, 2014)As it is well known, Hg has been identified as a public health problem due to its serious effects and accumulative character in metabolism even at low exposure levels. Therefore, the development of a sensitive and simple ... -
Altın Nanopartiküller Kullanılarak Kortizol İçin Plazmonik Sensör Sinyalinin Seçici Yükseltilmesi
(Fen Bilimleri Enstitüsü, 2022)Cortisol is a steroid hormone released by the human body in response to psychological and physiological stress. Cortisol can affect almost every organ system such as nervous, immune, cardiovascular, respiratory, reproductive, ... -
Aminofenilbenzimidazollerin Sentezi, Elektropolimerizasyonu ve Modifiye Elektrodunun Enzimsiz H2o2 Sensörü Olarak Kullanımı
(Fen Bilimleri Enstitüsü, 2018-11)In this study, chemical synthesis of 2-(2-aminophenyl)benzimidazole (2AB), 2-(3- aminophenyl)benzimidazole (3AB) monomers containing aniline and benzimidazole rings was carried out. Polymerization of the monomers in an ... -
Aminometil Piridin Fonksiyonel Gruplarını İçeren Polimerik Partiküllerin Hazırlanması ve Arsenik(V) İyonlarının Adsorpsiyon Özelliklerinin İncelenmesi
(Fen Bilimleri Enstitüsü, 2015)In this study, 4-AMP-PS adsorbent particles were prepared by modifying chloromethyl polystyrene particles (CM-PS) with 4-aminomethyl pyridine (4-AMP) to remove As(V) ions from aqueous solutions. To obtain optimum modification ... -
An Alternative Medical Diagnosis Method: Biosensors For Virus Detection
(2019)Infectious diseases still pose an omnipresent threat to global and public health, especially in many countries and rural areas of cities. Underlying reasons of such serious maladies can be summarized as the paucity of ... -
An Anomalous Addition Of Chlorosulfonyl Isocyanate To A Carbonyl Group: The Synthesis Of ((3As,7Ar,E)-2-Ethyl-3-Oxo-2,3,3A,4,7,7A-Hexahydro-1H-Isoindol-1-Ylidene)Sulfamoyl Chloride
(2019)In this study, we developed a new addition reaction of chlorosulfonyl isocyanate (CSI), starting from 2-ethyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione. The addition reaction of CSI with 2-ethyl-3a,4,7,7a-tetrahydr ...
