Başlık için Kimya Bölümü listeleme
Toplam kayıt 208, listelenen: 138-157
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Phosphorus–nitrogen compounds. Part VI. Aminolysis of octachlorocyclotetraphosphazatetraene and the crystal structure of 2-trans-6-bis(n-propylamino)-2,4,4,6,8,8-hexakis-tert-butylaminocyclo-2λ5, 4λ5, 6λ5, 8λ5-tetraphosphazatetraene
(Elsevier Science Bv, 2003)The reactions of 2-trans-6-N4P4(NBPrn)(2)CI6 (2), which was obtained from N4P4Cl8 (1) and n-propylamine, with pyrrolidine and t-butylamine in different solvents have been studied. Compound (2) gave two different products, ... -
Phragmites australis as a new cellulose source: Extraction, characterization and adsorption of methylene blue
(ELSEVIER, 2020)The aim of this study was to investigate potential use of Phragmites australis in the production of cellulose microfibrils with chemical extraction process. Characterization of the natural P. australis and extracted fibrils ... -
Phragmites australis: An alternative biosorbent for basic dye removal
(Elsevier Science Bv, 2016)This study is aimed at investigating the removal of methylene blue (MB) from aqueous solutions using a reed species, Phrag-mites australis as an adsorbent. P. australis was modified by means of a chemical treatment, assuring ... -
Poly (methyl vinyl ether-co-maleic acid) - Pectin based hydrogel-forming systems: Gel, film, and microneedles
(Elsevier Science Bv, 2017)Cross-linking of natural and synthetic polymers is widely explored to achieve the desired material properties (mechanical strength, drug loading capacity, swelling and erosion rates). However, the potential of polymers ... -
Poly(2-hydroxyethylmethacrylate)/chitosan dye and different metal-ion-immobilized interpenetrating network membranes: Preparation and application in metal affinity chromatography
(John Wiley & Sons Inc, 2003)Composite membranes were synthesized with 2-hydroxyethylmethacrylate and chitosan (pHEMA/chitosan) via an ultraviolet-initiated photopolymerization technique in the presence of an initiator (alpha,alpha'-azobisisobutyronitrile). ... -
Poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) reactive membrane utilised for cholesterol oxidase immobilisation
(John Wiley & Sons Ltd, 2002)Poly(2-hydroxyethyl methacrylate-co-glycidyl methacrylate) p(HEMA-GMA) membrane was prepared by UV-initiated photopolymerisation of 2-hydroxyethyl methacrylate (HEMA) and glycidyl methacrylate (GMA) in the presence of an ... -
Poly[[diaquacaesium(II)]bis(μ3-3-carboxypyrazine-2-carboxylato)]. Corrigendum
(Blackwell Publishing, 2008)… -
Poly[diaqua(μ2-3-carboxypyrazine2-carboxylato)(μ2-pyrazine-2,3-dicarboxylic acid)potassium(I)]
(Blackwell Publishing, 2008)The structural unit of the title compound, [K(C6H3N2O4)(C6H4N2O4)(H2O)(2)](n), consists of one potassium cation, one hydrogen pyrazine-2,3-dicarboxylate anion, one pyrazine-2,3dicarboxylic acid molecule and two water ... -
Poly[triaquabis-(μ(2)-3-carboxy-pyrazine-2-carboxyl-ato)dilithium(I)]
(Blackwell Publishing, 2008)In the title compound, [Li-2(C6H3N2O4)(2)(H2O)(3)](n), the coordination number for both independent Li+ cations is five. One of the Li+ ions has a distorted trigonal-bipyramidal geometry, coordinated by one of the carboxyl ... -
Poly[μ-aqua-diaqua(μ2-pyrazine-2,3-dicarboxylato)dilithium(I)]
(Wiley-Blackwell, 2009)The asymmetric unit of the title compound, [Li-2(C6H2N2O4)(H2O)(3)](n), consists of two independent Li+ cations, one pyrazine-2,3-dicarboxylate dianion and three water molecules. One of the Li+ cations has a distorted ... -
Polyaniline micro-rods based heterojunction solar cell: Structural and photovoltaic properties
(Amer Inst Physics, 2012)The present paper reports the fabrication and photovoltaic characterization of pure and dodecyl benzene sulfonic acid (DBSA)-doped polyaniline (PAni) micro-rods polymer/n-Si heterojunction solar cells, and also the ... -
Polyethyleneimine-grafted poly (hydroxyethyl methacrylate-co-glycidyl methacrylate) membranes for reversible glucose oxidase immobilization
(Elsevier Science Sa, 2004)Glucose oxidase (GOD) was immobilized onto polyethyleneimide (PEI) grafted poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) (poly(HEMA-co-GMA)) membranes. The maximum GOD immobilization capacities of the ... -
Polymers from renewable resources: synthesis and characterization of poly(2,5-dihydro-2,5-dimethoxy furan)
(Scientific Technical Research Council Turkey-Tubitak, 2012)The cationic polymerization of cis, trans-2,5-dihydro-2,5-dimethoxy furan (DHMF) was studied in the presence of HClO4, in acetonitrile. Different reaction parameters were investigated such as initiator concentration and ... -
Preconcentration and electroanalysis of silver at pt electrode modified with poly(2-aminothiazole)
(Maik Nauka/Interperiodica/Springer, 2013)Conducting poly(2-aminothiazole) (PAT) films were electrodeposited on a platinum disc electrode surface by constant potential electrolysis of 2-aminothiazole (AT) for the stripping voltammetric determination of Ag(I). Ag(I) ... -
Preliminary study on heavy metal concentrations of Anatolian Khramulya, Capoeta tinca (Heckel, 1843) from Camligoze Dam Lake, Sivas, Turkey
(Bmc, 2013)The concentrations of heavy metals (Ag, Cd, Co, Cu, Ni, Pb, Zn) were analyzed in muscle, skin and liver of Anatolian Khramulya, Capoeta tinca (Heckel, 1843) from Camligoze Dam Lake located at Central Anatolian region of ... -
Preparation and application of spacer-arm-attached poly (hydroxyethyl methacrylate-co-glycidyl methacrylate) films for urease immobilisation
(Elsevier Science Bv, 2003)Immobilisation of urease onto plain and six-carbon spacer-arm (i.e. 1,6-diaminohexane) attached poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) [poly (HEMA-GMA)] films was studied. The epoxy groups containing ... -
Preparation and characterisation of surfaces properties of poly(hydroxyethylmethacrylate-co-methacrylolyamido-histidine) membranes: application for purification of human immunoglobulin G
(Elsevier, 2004)In this study, an affinity membrane containing L-histidine as an amino acid ligand was used in separation and purification of human immunoglobulin G (HIgG) from solution and human serum. The polarities and the surface free ... -
Preparation and characterization of a ZnO powder with the hexagonal plate particles
(Elsevier, 2008)Zinc oxide precursors were obtained by the reaction of excess urea with 0.05-0.30 M ZnSO4 in boiling aqueous solution. The precursors precipitated were dried at 100 degrees C for 2 h to yield powdery products and these ... -
Preparation and characterization of new nanocomposite polymer films containing NiO nanofillers
(Wiley, 2018)Nanocomposite solid polymer films based on the poly(exo-N-phenyl-7-oxanorbornene-5,6-dicarboximide) (PPhONDI)/LiClO4/NiO system have been designed, and the effect of inorganic NiO nanofiller in different amounts on the ... -
Preparation and characterization of polyaniline microrods synthesized by using dodecylbenzene sulfonic acid and periodic acid
(Scientific Technical Research Council Turkey-Tubitak, 2015)The preparation of polyaniline (PANI) microrod arrays in the presence of dodecylbenzene sulfonic acid (DBSAH), a structure-directing agent, and in the presence of periodic acid (H5IO6), an oxidant in aqua-acidic media, was ...
