Kimya Bölümü Makale Koleksiyonu: Güncel gönderi
Toplam kayıt 88, listelenen: 21-40
-
Uv-Vis, Ir And Xps Analysis Of Uv Induced Changes In Pvc Composites
(Elsevier Science Bv, 1999)PVC undergoes a high degree of dehydrochlorination when exposed to energetic photons. The released HCl (acid), however, can be trapped if a suitable trapping material (base) is also enclosed within the solid matrix as a ... -
Validation Of Spectrophotometric Method To Quantify Veranicline Content In Tablets
(Asian Journal Of Chemistry, 2013)Varenicline is a nicotinic receptor partial agonist used to treat smoking addiction. The objective of this work was to develope and validate UV-Vis spectrophotometric method for the determination of veranicline in tablets. ... -
Ultrasensitive Detection And Quantification Of Acidic Disaccharides Using Capillary Electrophoresis And Quantum Dot-Based Fluorescence Resonance Energy Transfer
(Amer Chemical Soc, 2013)Rapid and highly sensitive detection of the carbohydrate components of glycoconjugates is critical for advancing glycobiology. Fluorescence (or Forster) resonance energy transfer (FRET) is commonly used in detection of ... -
Using Non-Traditional Writing As A Tool In Learning Chemistry
(Eurasia, 2013)This study investigated the effect of using a non-traditional writing task and different audiences on 9th grade students' conceptual understanding of a chemistry unit on mixture. 524 students instructed by 3 chemistry ... -
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, ... -
Tc-Glutathione Complex (Tc -Gsh) : Labelling, Chemical Characterization and Biodistribution in Rats
(1999)The chemical structure of 99mTc-GSH has been estabilished using the 99Tc isotope. Labeling of glutathione with technetium in the presence of stanous chloride gave a high yield result. In a comparative study between 99Tc ... -
Synthesis of Two Novel Aroyl Thioureas and Their Use as Anion Binding Receptors
(Asian Journal Of Chemistry, 2013)New aroyl thioureas; N-nicotinoyl-N'-(4-nitrophenyl) thiourea (3a) and N-nicotinoyl-N'-(2-nitrophenyl) thiourea (3b) were synthesized and studied as anion-binding receptors. Upon adding tetrabutyl ammonium halides (fluoride, ... -
The Effect Of Hydrogen Bonding On The Electroreduction Behavior Of Aminobenzimidazoles
(Slovensko Kemijsko Drustvo, 2004)The electroreductions of benzimidazole, 5-aminobenzimidazole, 2-aminobenzimidazole and 4-aminobenzimidazole were investigated on a Pt electrode in acetonitrile containing tetrafluoroborat (TBABF(4)) with and without the ... -
Release of Magnetic Nanoparticles From Cell-Encapsulating Biodegradable Nanobiomaterials
(Amer Chemical Soc, 2012)The future of tissue engineering requires development of intelligent biomaterials using nanopartides. Magnetic nanopartides (MNPs) have several applications in biology and medicine; one example is Food and Drug Administration ... -
Swelling Behavior of Poly(N-Vinyl-2-Pyrrolidone) and Poly(N-Vinyl-2-Pyrrolidone)/K2S2O8 Hydrogels in Urea Solutions
(John Wiley & Sons Inc, 2000)Hydrogels with varying cross-linking densities and average molecular weights between two consecutive cross-links were prepared from the binary poly(N-vinyl-2-pyrrolidone)/water and ternary poly(Nw-vinyl-2-pyrrolidone)/water/K2S2O8 ... -
Spectroscopic And Electrochemical Observation Of Hydrogen-Bonded Imidazole And 2-Aminoimidazole Clusters
(Slovensko Kemijsko Drustvo, 2007)The electroreductions of imidazole and 2-aminoimidazole were investigated on a Pt electrode in acetonitrile containing tetrabutylammonium tetrafluoroborate with and without the presence of HBF4. The effects of lithium and ... -
Synthesis of Some Substituted Formazans and Bis Formazans
(Asian Journal Of Chemistry, 2014)Novel 1-(p-aniinophenyl)-3-(p-substituted -phenyl)-5-phenylforrnazan compounds (2a-f) and 1,1'-(1,1'-biphenyl]-4-4'-yl)bis(3-(p- substituted pheny1)-5-plienylformazan compounds (3a-f) were synthesized by diazo coupling ... -
Quantification and Spatial Distribution of Salicylic Acid in Film Tablets Using Ft-Raman Mapping with Multivariate Curve Resolution
(Hong Kong Asiamed Publish House, 2018)In this study, we proposed a rapid and sensitive method for quantification and spatial distribution of salicylic acid in film tablets using FT-Raman spectroscopy with multivariate curve resolution (MCR). For this purpose, ... -
Redox Pathways of Aliskiren Based on Experimental and Computational Approach and Its Voltammetric Determination
(Soc Brasileira Quimica, 2013)Electrochemical behavior of aliskiren (ALS) was studied via experimental electrochemical methods and theoretical calculations performed at B3LYP/6-31+G (d)//AM1. Cyclic voltammetry studies were carried out based on the ... -
Quantum Chemical Studies on The Structures of Some Heterocyclic Azo Disperse Dyes
(Arkat Usa Inc, 2008)The ground-state geometries, absorption wavelengths, oscillation strengths for a series of some novel hetarylazoindole derivatives were studied with density functional theory (DFT) and time-dependent density functional ... -
Preparation, Characterization and Dynamical Mechanical Properties of Dextran-Coated Iron Oxide Nanoparticles (Dionps)
(Taylor & Francis Ltd, 2018)Dextran-coated iron oxide nanoparticles (DIONPs) with appropriate surface chemistry exhibit many interesting properties that can be exploited in a variety of biomedical applications such as magnetic resonance imaging (MRI) ...