搜索结果: 1-15 共查到“Pyridine”相关记录20条 . 查询时间(0.109 秒)
Separation of Inorganic Anions on a Pyridine Stationary Phase in Ion Chromatography
Separation of Inorganic Anions Pyridine Ion Chromatography
2010/9/20
The retention behavior of inorganic anions on a pyridine stationary phase commercially available for hydrophilic interaction chromatography was examined in ion chromatography. Inorganic anions were re...
Flame Atomic Absorption Spectrometric Determination of Palladium in Aqueous Samples after Preconcentration Using Nanoparticles of γ-Alumina Functionalized with Pyridine Groups
Flame Atomic Absorption Spectrometric Palladium Aqueous Samples Preconcentration Nanoparticles of γ-Alumina Functionalized Pyridine Groups
2010/9/20
A new solid phase, nanoparticles of alumina functionalized with pyridine groups, was synthesized and used for extraction and preconcentartion of palladium(II) ions from some water samples. The effects...
Synthesis and smooth muscle Calcium channel antagonist effect of Alkyl, Aminoalkyl 1,4-Dihydro-2,6-Dimethyl-4-Nitroimidazole-3,5 Pyridine Dicarboxylates
Ca+² channel antagonist DHP Arylpiperazine
2009/12/29
The discovery that 1,4-dihydropyridine (DHP) class of calcium channel antagonist inhibits the Ca+² influx represented a major therapeutic advance in the treatment of cardiovascular diseases such ...
Pyridine Gold Complexes. An Emerging Class of Luminescent Materials
Gold Complexes Emerging Class
2009/7/28
Pyridine-type ligands are considered one of the most
versatile ligands in photochemistry since they can
act as emitters themselves or as donor or acceptors
of electronic density depending on the el...
Development of Acetic Acid Production Process Catalyzed by Rhodium Complex Immobilized to Pyridine Polymer Support
Rhodium complex catalyst Immobilization Polymer support Acetic acid production
2009/7/23
In the field of industrial production of acetic acid via methanol carbonylation, the higher yield and efficiency are still pursued by employing the low water reaction system. Rhodium complex catalyst...
The Drying of Pyridine Hydrobromide.
Effects of Halogen Introduction at the C5 Position of the Imidacloprid Pyridine Ring upon Insecticidal Activity
neonicotinoid insecticide imidacloprid American cockroach insecticidal activity
2009/3/5
Following a recent report of unexpectedly high affinity of 5-azidoimidacloprid to insect nicotinic acetylcholine receptor, derivatives with four halogen atoms and cyano and nitro were prepared, and ...
Insecticidal activity of imidacloprid derivatives with an alkoxy group at the C5 position of the pyridine ring
neonicotinoid insecticide imidacloprid American cockroach insecticidal activity alkoxy-substituted pyridine
2009/3/5
Six derivatives of imidacloprid with an alkoxy group introduced at the fifth position on the pyridine ring were prepared. Minimal lethal doses in mol (MLDs) were determined in American cockroaches b...
Quantitative structure–activity relationships of imidacloprid and its analogs with substituents at the C5 position on the pyridine ring in the neuroblocking activity
imidacloprid analogs QSAR neuroblocking activity radioligand
2009/3/5
Two nerve activities of imidacloprid analogs with various substituents at the 5-position of the pyridine ring were measured: the conduction blockage in the excised central nerve cord of the American...
New Polyamides Derived from 2,5-Bis[(4-carboxyanilino) carbonyl] Pyridine and Hydantoin Derivatives: Synthesis and Characterization
Polyamides, pyridyl moiety hydantoin derivatives direct polycondensation
2010/4/16
We synthesized 2,5-bis[(4-carboxyanilino) carbonyl] pyridine (4) as a new monomer containing pyridyl moiety by using a 2-step reaction. At first 2,5-pyridine dicarboxylic acid (1) was converted to 2,5...
EFFECT OF PYRIDINE AND FORMALDEHYDE ON A MACROPHYTE (LEMNA MINOR L.) AND A SLUDGE WORM (TUBIFEX TUBIFEX MÜLLER) IN FRESH WATER MICROCOSMS
Lemna minor L. Tubifex tubifex Müller formaldehyde pyridine toxicity microcosms
2010/3/25
Pyridine, a suspected genotoxic and formaldehyde, a potent carcinogen, are present in several
industrial wastewater including commercial solvent, resin and pesticide manufacturing industries. The ext...
Pyridine and Benzene Templated Potential Peptidomimetics
Pyridine Benzene Potential Peptidomimetics
2010/4/22
This study provides a new approach for the synthesis of pyridine and benzene templated potential peptidomimetics. By the attachment of various amino acid side chains in different combinations on the p...
Thermodynamic and Kinetic Parameters Concerning Complex Formation between 3-Hydroxy- and 1-Aminopyrene and Pyridine
Thermodynamic Kinetic Parameters Concerning Pyridine
2010/4/22
Systems formed by the pyrene derivatives 3-hydroxypyrene and 1-aminopyrene with pyridine were studied. The thermodynamic and kinetic parameters of the systems were calculated using the changes in the ...
Fluorimetric Detection of Insulin in the Presence of Eu(III) - {Pyridine - 2,6 - Dicarboxylate} Tris Complex
Insulin Fluorescence Spectroscopy Eu(III) - { Pyridine - 2,6 - Dicarboxylate } Tris Complex Stern-Volmer Plots Apparent Binding Constant
2010/6/27
Bovine insulin solutions (pH=9.3) have maximum absorption at 278 \pm 2 nm and an intrinsic emission at 305 nm when excited at 282 nm. The relative fluorescence intensities show linear dependence on it...
Evaluation of the Acidity of Pillared Montmorillonites by Pyridine Adsorption
Acidity Al-Pillared Montmorillonite Mesoporous Materials Pyridine Adsorption Zr-Pillared Montmorillonite
2011/12/6
Abstract: Two series of pillared clays were prepared from a purified montmorillonite (95%) from La Serrata of Nijar, Spain, and polycations of Al and Zr using various methods. The effect of both the p...