Güncel Gönderiler: PubMed İndeksli Yayınlar Koleksiyonu
Toplam kayıt 1498, listelenen: 741-760
-
Guttiferone BL with antibacterial activity from the fruits of Allanblackia gabonensis
(Taylor & Francis LTD, 2019)Allanblackia genus, an endless source of bioactive compounds, was investigated for its antibacterial properties. The chemical study of the methanol extract from the fruits of Allanblackia gabonensis resulted in the isolation ... -
Effect of deposition parameters on the structural properties of ZnO nanopowders prepared by microwave-assisted hydrothermal synthesis
(Pergamon-Elsevier Science LTD, 2015)ZnO nanopowders were synthesized via microwave-assisted hydrothermal method at different deposition (microwave irradiation) times and pH values. The effects of pH and deposition (microwave irradiation) time on the crystalline ... -
Analysis of VOT in Turkish speakers with aphasia
(Informa Healthcare, 2011)Studies investigating voicing onset time (VOT) production by speakers with aphasia have shown that nonfluent aphasics show a deficit in the articulatory programming of speech sounds based on the range of VOT values produced ... -
Effect of both deposition temperature and indium doping on the properties of sol-gel dip-coated SnO2 films
(Pergamon-Elsevier Science LTD, 2012)Using indium chloride as an In source, In-doped SnO2 films were fabricated by sol-gel method through dip-coating on borofloat glass substrates. The undoped SnO2 films were deposited in air between 400 and 600 degrees C to ... -
A spectroelectrochemical study on single-oscillator model and optical constants of sulfonated polyaniline film
(Pergamon-Elsevier Science LTD, 2008)The optical properties of sulfonated polyaniline (SPAN) thin film prepared by electrochemical method have been investigated. Polychromic behavior of SPAN thin film (transparent yellow-green-dark blue) was observed when the ... -
Simultaneous depletion of immunoglobulin G and albumin from human plasma using novel monolithic cryogel columns
(Elsevier Science BV, 2013)In this study, we aimed to develop an alternative matrix able to deplete the albumin (Alb) and immunoglobulin G (IgG) from blood plasma simultaneously to prepare plasma samples for large-scale applications of blood-related ... -
Spectroscopic Determination of Acid Dissociation Constants of N-Substituted-6-acylbenzothiazolone Derivatives
(American Chemical Society, 2011)The acid dissociation constants of twelve novel drug precursor N-substituted-6-acylbenzothiazolone derivatives were determined by using the UV-vis spectroscopic technique. The protonation and deprotonation behaviors of the ... -
Acidity constant determination of novel drug precursor benzothiazolon derivatives including acyl and piperazine moieties
(Pergamon-Elsevier Science LTD, 2013)In this study, protonation and deprotonation behaviors of eight new drug precursor benzothiazolon derivatives in all of acidic and basic scale (super acidic, pH, super basic regions) are analyzed by using UV-visible ... -
DFT, FT-Raman and FT-IR investigations of 1-cyclobutylpiperazine
(Pergamon-Elsevier Science LTD, 2012)FT-IR and FT-Raman spectra of 1-cyclobutylpiperazine (1cbpp) have been experimentally reported in the region of 4000-10 cm(-1) and 4000-50 cm(-1), respectively. The optimized geometric parameters, conformational equilibria, ... -
FT-IR and Raman spectroscopic and quantum chemical investigations of some metal halide complexes of 1-phenylpiperazine
(Pergamon-Elsevier Science LTD, 2012)New metal halide complexes in the form of M(pp)(2)Cl-2 (where pp = 1-phenylpiperazine and M = Pd or Hg) have been prepared for the first time and their FT-IR and FT-Raman spectra are reported in the region of 4000-10 cm(-1) ... -
Peptidomimetics via modifications of amino acids and peptide bonds
(Royal Soc Chemistry, 2014)Peptidomimetics represent an important field in chemistry, pharmacology and material science as they circumvent the limitations of traditional peptides used in therapy. Self-structural organizations such as turns, helices, ... -
Synthesis, characterization and antibacterial activity of silver-doped TiO2 nanotubes
(Pergamon-Elsevier Science LTD, 2018)One-dimensional titanium dioxide (TiO2) nanotubes (TNTs) doped with silver (Ag) (% 5) were synthesized via two-step hydrothermal method. These nanotubes were characterized by X-ray diffraction (XRD), Fourier transform ... -
Benzotriazole-Mediated Synthesis of Aza-peptides: En Route to an Aza-Leuenkephalin Analogue
(American Chemical Society, 2013)Novel N-(N-Pg-azadipeptidoyl)benzotriazoles 20a-e couple efficiently with alpha-amino acids 21a-e, dipeptides 22a-c, aminoxyacetic acid 23a, depsidipeptide 23b, and alpha-hydroxy-beta-phenylpropionic acid 27 yielding, ... -
Design, Synthesis, and Biological Activity of Novel 5-((Arylfuran/1H-pyrrol-2-yl)methylene)-2-thioxo-3-(3-(trifluoromethyl)phenyl)thiazolidin-4-ones as HIV-1 Fusion Inhibitors Targeting gp41
(American Chemical Society, 2011)On the basis of our earlier molecular docking analysis, we designed and synthesized 5-((arylfuran/1H-pyrrol-2-yl)methylene)-2-thioxo-3-(3-(trifluoromethyl)phenyl)thiazolidin-4-ones (12a-o) as HIV-1 entry inhibitors. Compounds ... -
Efficient Preparation of Aminoxyacyl Amides, Aminoxy Hybrid Peptides, and alpha-Aminoxy Peptides
(American Chemical Society, 2009)N-(Pg-alpha-aminoxy acids) 1a-g are converted to N-(Pg-alpha-aminoxyacyl)benzotriazoles 2a-g, Which react under mild conditions with amines, alpha-amino acids/alpha-dipeptides, and alpha-aminoxy acids to give aminoxyacyl ... -
Design, synthesis, and biological activity of a novel series of 2,5-disubstituted furans/pyrroles as HIV-1 fusion inhibitors targeting gp41
(Pergamon-Elsevier Science LTD, 2011)Based on molecular docking analysis of earlier results, we designed a series of 2,5-disubstituted furans/pyrroles (5a-h) as HIV-1 entry inhibitors. Compounds were synthesized by Suzuki-Miyaura cross coupling, followed by ... -
Benzotriazole-Mediated Syntheses of Depsipeptides and Oligoesters
(American Chemical Society, 2011)Reactions of O-Pg(alpha-hydroxyacyl)benzotriazoles with (a) unprotected alpha-hydroxycarboxylic acids, (b) amino acids, and (c) amines afforded, respectively, chirally pure (a) oligoesters, (b) depsidipeptides, and (c) ... -
Photophysics of novel coumarin-labeled depsipeptides in solution: sensing interactions with SDS micelle via TICT model
(Springer Wien, 2013)N-Acylbenzotriazoles enable the synthesis (69-92 % yield) of blue to green fluorescent coumarin-labeled depsidipeptides 8a-f (quantum yields 0.004-0.97) and depsitripeptides 12a-d (quantum yields 0.02-0.96). Detailed ... -
DFT, FT-IR and Raman investigations of 1-pyrrolidino-1-cyclopentene
(Pergamon-Elsevier Science LTD, 2013)FT-IR and Raman spectra of 1-pyrrolidino-1-cyclopentene (1py1cp) were experimentally reported in the region of 4000-10 cm(-1) and 4000-100 cm(-1), respectively. The optimized geometric parameters, normal mode frequencies ... -
Vibrational spectroscopic investigation of 1-pyrrolidino-1-cyclohexene: A comparative density functional study
(Pergamon-Elsevier Science LTD, 2013)Infrared and Raman spectra of 1-pyrrolidino-1-cyclohexene (1 pych) have experimentally been reported in the region of 4000-100 cm(-1). The conformational analysis, optimized geometric parameters, normal mode frequencies ...
