Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 352, listelenen: 234-253
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NaOH impregnated sepiolite based heterogeneous catalyst and its utilization for the production of biodiesel from canola oil
(Taylor & Francis Inc, 2019)NaOH/sepiolite nanocomposite heterogenous base catalyst (NaOH/sep.) was prepared via impregnation process and tested in a three-neck flask equipped with thermometer and reflux condenser for the production of biodiesel from ... -
New Bioflavonoids from Solanum nigrum L. by Anticholinesterase and Anti-tyrosinase Activities-guided Fractionation
(Acg Publications, 2017)Two new biflavonoids, (8-hydroxy-3'-beta-D-galactosyl-isoflavone)-2'-8'''-(4'''-hydroxy-flavone)biflavone (2); 2', 3', 5-trihydroxy-5 ''-methoxy-3 ''-O-a-glucosyl-3-4'''-O-biflavone (3) and along with apigenin (1) and ... -
A new bioremediation method for removal of wastewater containing oils with high oleic acid composition:Acinetobacter haemolyticuslipase immobilized on eggshell membrane with improved stabilities
(Royal Society of Chemistry, 2021)As a result of the increasing demand for edible oils, which are an important part of human nutrition, in recent years, serious environmental problems may arise both during the production and after consumption of these oils. ... -
A new flavone from antioxidant extracts of Pistacia terebinthus
(Elsevier Sci Ltd, 2007)Acetone and methanol extracts of the fruits of Pistacia terebinthus L. subsp. terebinthus L. were studied for their antioxidant activity by investigating their total phenolic and flavonoid contents, P-carotene bleaching ... -
New perylene derivative dyes for dye-sensitized solar cells
(Elsevier, 2007)We have studied the influence of the spacer alkyl chain length of perylenemonoimide (PMI) dyes on the device performance in dye-sensitized solar cells (DSSCs). We observed that the dyes with longer and brunched alkyl chains ... -
New spirobifluorene-based hole-transporting semiconductors for electroluminescent devices
(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, ... -
New trinuclear nickel(II) complexes as potential topoisomerase I/ IIα inhibitors: in vitro DNA binding, cleavage and cytotoxicity against human cancer cell lines
(SPRINGER INTERNATIONAL PUBLISHING AG, 2022)Nickel (II) complexes containing p-substitute (-H, -CI, -CH3, -OCH3) isonitrosoacetophenone-based bis(oxime) ligands were synthesized by metal template method and characterized by elemental analyses, molar conductance, ... -
A new unsymmetrical vic-dioxime bearing salicylaldehyde 4-aminobenzoylhydrazone and its homo- and heterotrinuclear complexes with copper(II) and nickel(II) ions
(Pleiades Publishing Inc, 2006)A new vic-dioxinie, N-{4-[[(2-hydroxyphenyl)methylene]hydrazinecarbonyl]phenyl)aminoglyoxime (HP, was prepared by the reaction of anti-chloroglyoxime with salicylaldehyde 4-aminobenzoylhydrazone. The reaction of H3L with ... -
NiO micro/nanoparticles decorated carbon-based anode for the fuel cell applications in alkaline medium
(Springer, 2021)In this study, a non-enzymatic and low-cost method was presented for fuel cell applications in alkaline medium based on the utilization of nickel oxide micro/nanoparticles (NiOMNPs) for carbon-based anode fabrication. ... -
NMR metabolomics analysis of Escherichia coli cells treated with Turkish propolis water extract reveals nucleic acid metabolism as the major target
(NLM (Medline), 2023)AIMS: Propolis is a resinous bee product containing several hundred biologically active compounds. Although the antibacterial activity of propolis has been demonstrated in many in vitro studies, less is known about its ... -
Novel fluorine-containing chiral hydrazide-hydrazones: Design, synthesis, structural elucidation, antioxidant and anticholinesterase activity, and in silico studies
(Wiley, 2019)In this study, a series of fluorine-containing chiral hydrazide-hydrazone derivatives [III-XII] from x29f; -cysteine ethyl ester hydrochloride was synthesized as new antioxidant and anticholinesterase agents. The antioxidant ... -
A Novel High-Contrast Ratio Electrochromic Material from Spiro[cyclododecane-1,9 '-fluorene]bicarbazole
(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 ... -
A novel Salvialactomine from the callus culture of Salvia santolinifolia Boiss
(Taylor & Francis Ltd, 2018)A novel compound Salvialactomine (1) along with two other unusual occurring natural products Pentatriacontanoic acid 1, 3-dihydroxypropyl ester (2) and 5-Methylflavone (3) were isolated from the callus of Salvia santolinifolia ... -
One-pot synthesis of a new 2-substituted 1,2,3-triazole 1-oxide derivative from dipyridyl ketone and isonitrosoacetophenone hydrazone: Nickel(II) complex, DNA binding and cleavage properties
(Academic Press Inc Elsevier Science, 2017)An efficient and simple one-pot synthesis of a new 1,2,3-triazole-1-oxide via reaction between isonitrosoacetophenone hydrazone and dipyridyl ketone in the EtOH/AcOH at room temperature has been developed smoothly in high ... -
Oxidase mimicking Co/2Fe MOF included biosensor for sialic acid detection
(Elsevier B.V., 2022)A facile amperometric biosensor that included oxidase mimicking Co/2Fe metal-organic framework (MOF) for sialic acid (SA) detection was prepared. Amperometric SA biosensor was constructed on a gold screen-printed electrode ... -
<p>Insight into isolation and elucidation of cytotoxic ergostanoids from the mushroom Sarcosphaera crassa (Santi) Pouzar: An edible mushroom</p>
(ELSEVIER SCIENCE INC, 2022)Sarcosphaera crassa is a mushroom consumed in Europe and Anatolia after being cooked well. The cytotoxic activity of the extracts of unbaked S. crassa against MCF7, HT29, HeLa cancer cell lines and toxicity against PDF ... -
Perylene Monolayer Protected Gold Nanorods: Unique Optical, Electronic Properties and Self-Assemblies
(Amer Chemical Soc, 2012)Here we report the synthesis and characterization of organosoluble perylene monolayer protected gold nanorods. From H-1 NMR, FT-IR, and differential scanning calorimetry experiments, the successful thiol exchange and ... -
pH and Temperature Modulated Aggregation of Hydrophilic Gold Nanorods with Perylene Dyes and Carbon Nanotubes
(Amer Chemical Soc, 2013)Hydrophilic mercaptosuccinic acid (MSA) monolayer-protected gold nanorods (GNRs) were synthesized. The resulting GNRs encapsulated with biocompatible MSA molecules via covalent Au-S linkages were found to be able to ... -
The phenolic compounds from Hypericum perforatum and their antimicrobial activities
(2008)Hypericum perforatum (St. John& #8217; s wort) (H. perforatum) is a plant which has been used as a medicinal herb since ancient times and grow in Europe, West Asia and North Africa. In this work, the crude extracts of ... -
Photodynamic Anti-Inflammatory Activity of Porphyrin Derivative on In-Vitro Activated Macrophages
(SPRINGER, 2023)Porphyrin derivatives have been known for their photodynamic therapy (PDT) application potential. In the present work, we have studied an asymmetric tetraphenyl substituted porphyrin derivative synthesized previously. ...
