Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 352, listelenen: 287-306
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Rize' de yağmur suyunun bazı kimyasal özelliklerinin incelenmesi
(2001)Bu çalışmada, Rize'de kış aylarında yağan yağmurun kimyasal özelliklerinin incelenmesi amacıyla üç ayrı istasyonda toplanan yağış örnek-lerinde sülfat, nitrat, nitrit, kalsiyum, magnezyum, toplam sertlik, karbondioksit ve ... -
A road map to assess critical materials content in boron industrial wastes using sustainable micro-X-ray fluorescence and total reflection X-ray fluorescence instrumentation
(Scientific Technical Research Council Turkey-Tubitak, 2020)Turkey is the leading country in the world in terms of boron production and sale. Increasing boron production goes along with an increasing generation of boron wastes. The pollution of the soil and the air around the waste ... -
Screening of the antioxidant, antimicrobial and DNA damage protection potentials of the aqueous extract of Asplenium ceterach DC
(Academic Journals, 2011)In this study, in vitro antioxidant, antimicrobial and DNA damage protection potentials of the aqueous extract of Asplenium ceterach was firstly evaluated in addition to its total phenolic and flavonoid contents. Antioxidant ... -
Seasonal assessment of the impact of fresh waters feeding the Bay of Gokova with water quality index (WQI) and comprehensive pollution index (CPI)
(TAYLOR & FRANCIS LTD, 2022)The Gokova Bay declared as Private Environment Protection Area (PEPA) in Turkey in 1989, where freshwater and seawater ecosystems are intertwined, is an important area that possesses high biodiversity. In the study, the ... -
Selective extraction of iron(III) from aqueous nitrate solution in the presence of cobalt(II), copper(II) and nickel(II) ions using BiS(Delta(2)-2-imidazolinyl)-5,5 '-dioxime
(Japan Soc Analytical Chemistry, 2004)The feasibility of using bis(Delta(2)-2-imidazolinyl)-5,5'-dioxime (H2L) for the selective extraction of iron(III) from aqueous solutions was investigated by employing an solvent-extraction technique. The extraction of ... -
Selective in vitro and in silico enzymes inhibitory activities of phenolic acids and flavonoids of food plants: Relations with oxidative stress
(Elsevier Sci Ltd, 2020)In this study, the inhibitory potentials of food originated 34 phenolic acids, and flavonoid compounds were screened against acetylcholinesterase, butyrylcholinesterase, urease, and tyrosinase enzymes. All compounds included ... -
Selective in-vitro Enzymes' Inhibitory Activities of Fingerprints Compounds of Salvia Species and Molecular Docking Simulations
(Shaheed Beheshti Univ, Sch Pharmacy, 2020)Recently Nutrition and Food Chemistry researches have been focused on plants and their products or their secondary metabolites having anti-alzheimer, anti-cancer, anti-aging, and antioxidant properties. Among these plants ... -
A selective molecularly imprinted polymer for immobilization of acetylcholinesterase (AChE): an active enzyme targeted and efficient method
(Wiley-Blackwell, 2015)In the present study, we immobilized acetylcholinesterase (AChE) enzyme onto acetylcholine removed imprinted polymer and acetylcholine containing polymer. First, the polymers were produced with acetylcholine, substrate of ... -
Seven coordinated cobalt(II) complexes with 2,6-diacetylpyridine bis(4-acylhydrazone) ligands: Synthesis, characterization, DNA-binding and nuclease activity
(Elsevier Science Sa, 2015)A new series of pentadentate 2,6-diacetylpyridine bis(4-acylhydrazone)s (H2L1 and H2L2) based seven-coordinated cobalt(II) complexes, [Co(L-n)X-2] (n = 1 and X = DMF for (1); n = 2 and X = H2O for (2)); [Co(H2Ln)Y-2] (n = ... -
Seven-coordinated cobalt(II) complexes with 2,6-diacetylpyridine bis(4-hydroxybenzoylhydrazone): synthesis, characterisation, DNA binding and cleavage properties
(Taylor & Francis Ltd, 2015)Synthesis and characterisation of three seven-coordinated cobalt(II) complexes of 2,6-diacetylpyridine bis(4-hydroxybenzoylhydrazone) (H4L) ligand, [Co(H2L)(H2O)(2)] (1), [Co(H4L)(N-3)(2)] (2) and [Co(H4L)(NCS)(2)] (3) are ... -
Silica gel functionalized with 4-phenylacetophynone 4-aminobenzoylhydrazone: Synthesis of a new chelating matrix and its application as metal ion collector
(Elsevier Science Bv, 2008)The silica gel surface immobilized with 4-phenylacetophynone 4-aminobenzoylhydrazone (PAAH) after surface modification by 3-chloropropyltrimethoxysilane (CPTS). The modified silica gel was used for sorption of Cu(II), ... -
Solvent extraction of Fe3+ cation by 25,26,27,28-tetraisonitrosoaceto calix[4]arene and based ligands
(Marcel Dekker Inc, 1999)25,26,27,28-Tetraisonitrosoaceto calix[4]arene [L-8] was synthesized by reacting 25,26,27,28-tetraacetyl calix[4]arene [L-7] with n-butyl nitrite. The synthesized compounds [L-7, L-8] and based ligands (p-tert-butyl phenol ... -
Spectrophotochemical and electrochemical characterization of perylene derivatives adsorbed on nanoporous metaloxide films
(Edp Sciences S A, 2007)Electrochemistry of perylene imide and anhydride derivatives adsorbed on semiconductor TiO2 (NT) and insulator Al2O3 (NA) metal oxide films were presented. Adsorption rates on metal oxide surface are observed to be strongly ... -
Stachys germanica subsp. heldreichii (Boiss.) Hayek: Phytochemical analysis, antioxidant and enzyme inhibitory activities
(ELSEVIER, 2022)Stachys species have traditionally been used by the people for thousands of years to treat various diseases. In this study, the chemical composition and enzyme inhibitory activities of the various extracts of Stachys ... -
Structural characterization and determination of biological activities for different polysaccharides extracted from tree mushroom species
(Wiley, 2019)Chemical composition and structural characterization of polysaccharides of Fomes fomentarius (FF), Fuscoporia torulosa, Ganoderma adspersum, Ganoderma applanatum (GAP), Ganoderma lucidum, Phellinus igniarius, Pleurotus ... -
Studies on the antioxidant activity of essential oil and different solvent extracts of Vitex agnus castus L. fruits from Turkey
(Pergamon-Elsevier Science Ltd, 2009)This study is designed to examine the chemical composition and antioxidant activity of the essential oil and different solvent extracts of Vitex agnus castus. GC and GC-MS analysis was resulted in the detection of 27 ... -
Studies on the antioxidant activity of the essential oil and methanol extract of Marrubium globosum subsp globosum (lamiaceae) by three different chemical assays
(Elsevier Sci Ltd, 2008)This study is designed to examine the chemical composition and in vitro antioxidant activity of the essential oil and sub-fractions of the methanol extract of Marrubium globosum subsp. globosum. The GC and GC-MS analysis ... -
A Study of Trace Element Contents in Plants Growing at Honaz Dagi-Denizli, Turkey
(Foundation Environmental Protection & Research-Fepr, 2009)Denizli is one of the rapidly developing states in the West Anatolian Region of Turkey Keeping this in view, 30 different plants were selected to study their potential as biomonitors of trace elements like Pb, Cd, Ni, Zn, ... -
Synthesis and Antibacterial Activities of Boronic Acid-Based Recyclable Spherical Polymer Brushes
(Polymer Soc Korea, 2019)Crosslinked poly(4-vinylbenzyl chloride) (PVBC) microbead was prepared by suspension polymerization. Various spherical polymer brushes (SPBs) were produced by grafting polymeric chains on their surfaces via surface ... -
Synthesis and Characterisation of Biocompatible Polymer-Conjugated Magnetic Beads for Enhancement Stability of Urease
(Springer, 2016)We reported natural polymer-conjugated magnetic featured urease systems for removal of urea effectively. The optimum temperature (20-60 A degrees C), optimum pH (3.0-10.0), kinetic parameters, thermal stability (4-70 A ...
