搜索结果: 1-15 共查到“分析化学 Separation”相关记录24条 . 查询时间(0.187 秒)
Photochemical Hole-Burning Spectroscopy of a Photosynthetic Reaction Center Mutant with Altered Charge Separation Kinetics:Properties and Decay of the Initially Excited State
PRIMARY ELECTRON-DONOR VIRIDIS REACTION CENTERS BACTERIAL REACTION CENTERS RHODOPSEUDOMONAS-VIRIDIS RHODOBACTER-SPHAEROIDES BURNED SPECTRA PURPLE BACTERIA LOW-TEMPERATURE ABSORPTION HETERODIMER
2016/5/23
Photochemical hole-burning spectra have been obtained for the lowest energy electronic absorption band of the primary electron donor P of photosynthetic reaction centers (RCs) that exhibit different r...
Multifunctional Separation Mechanism on Poly(oxyethylene) Stationary Phases in Capillary Liquid Chromatography
Multifunctional Separation Mechanism Capillary Liquid Chromatography
2010/9/17
The retention behavior on poly(oxyethylene) (POE) chemically-bonded stationary phases was investigated in ion-exchange, reversed-phase (RP) and hydrophilic interaction (HILIC) modes in capillary liqui...
Separation of Optical Isomers in Capillary Chromatography Using a Poly(tetrafluoroethylene) Capillary Tube and an Aqueous–Organic Mixture Carrier Solution
Separation Optical Isomers in Capillary Chromatography tetrafluoroethylene
2010/9/13
Capillary chromatography for the separation of optical isomers was developed using an untreated poly(tetrafluoroethylene) capillary tube and a water–hydrophilic/hydrophobic organic solvent mixture as ...
Rapid Temperature-Programmed Separation and Retention Prediction on a Novel Packed-Capillary Column in Gas Chromatography
Temperature-Programmed Separation Retention Prediction Novel Packed-Capillary Column
2010/9/13
Novel packed-capillary columns for gas chromatography were developed with a thin-wall stainless-steel capillary of 1.0 mm i.d.; and rapid temperature-programmed separations have been carried out after...
Analytical Conditions and Separation Performance of Capillary Chromatography Based on the Tube Radial Distribution of Aqueous–Organic Mixture Carrier Solvents under Laminar-Flow Conditions
Analytical Conditions Separation Performance Capillary Chromatography Based
2010/9/14
We have developed a capillary chromatography system using an open capillary tube made of fused-silica, polyethylene, or poly(tetrafluoroethylene), and a water–hydrophilic–hydrophobic organic mixture c...
Enantiomeric Separation by Capillary Electrochromatography on a Sulfated Poly β-Cyclodextrin Modified Silica-based Monolith
Enantiomeric Separation Capillary Electrochromatography Sulfated Poly β-Cyclodextrin
2010/9/17
A sulfated poly β-cyclodextrin (SPCD) modified silica-based monolithic column was prepared for enantiomeric separation. First, 2-hydroxy-3-allyloxy-propyl-β-cyclodextrin (allyl-β-CD) was bonded onto a...
Separation/Determination of Flavonoids and Ascorbic Acid in Rat Serum and Excrement by Capillary Electrophoresis with Electrochemical Detection
Flavonoids Ascorbic Acid in Rat Serum Excrement Capillary Electrophoresis with Electrochemical Detection
2010/9/20
A capillary electrophoresis with electrochemical detection was developed for the simultaneous determination of three flavonoids (naringenin, rutin, quercetin) and ascorbic acid. It was found that nari...
Flow-Injection On-line Electrochemical Separation/Determination of Ions Using a Two-Step Oil/Water-Type Flow Cell System
Flow-Injection On-line Electrochemical Separation/Determination a Two-Step Oil/Water-Type Flow Cell System
2010/9/19
A flow system for electrochemical separation and detection of ions was constructed by connecting two oil/water (O/W)-type flow cells, in which a long polarizable O/W interface was formed at the inner ...
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...
Solid-Phase Extractors Based on 8-Aminoquinoline and 2-Aminopyridine Covalently Bonded to Silica Gel for the Selective Separation and Determination of Calcium in Natural Water and Pharmaceutical Samples
Solid-Phase Extractors 8-Aminoquinoline 2-Aminopyridine Covalently Bonded Silica Gel the Selective Separation Calcium
2010/9/20
Two new silica-gel phases were produced directly via the chemical interaction of 3-chloropropyltrimethoxysilane modified silica gel with 8-aminoquioline, phase I and 2-aminopyridine, phase II under re...
Extraction chromatographic separation of platinum(IV) from real samples and associated elements
extraction chromatography mutual separations platinum(IV) palladium(II) gold(III)
2010/3/30
The extraction behavior of platinum(IV) was studied with N-n-octylaniline as a function of different parameters, such as pH, concentrations of weak acids, mineral acids, reagents and elution time. A s...
Highly Selective Molecular Recognition of Biologically Active Substances Using Liquid Phase Separation
protein-conjugated chiral stationary phase affinity capillary lectrophoresis chiral discrimination acyl glucuornide acyl adenylate bile acid protein-bound adduct
2007/12/13
The development of new chiral stationary phases has been very important in the accurate analysis of drug enantiomers and their metabolites in biological samples during drug discovery and development. ...
Investigation on Mechanism for Separation of Alkali, Alkaline Metal and Ammonium Cations in Nonaqueous Capillary Electrophoresis
alkali metals alkaline earth metals ammonium cation open-tubular pseudo capillary electrochromatography nonaqueous medium
2007/12/13
Investigation on Mechanism for Separation of Alkali, Alkaline Metal and Ammonium Cations in Nonaqueous Capillary Electrophoresis。
Uniformly Sized Molecularly Imprinted Polymers: Their Applications to Chiral Separation and Bioanalysis
molecularly imprinted polymer (MIP) restricted access media-MIP (RAM-MIP) chiral separation bioanalysis
2007/12/13
Uniformly Sized Molecularly Imprinted Polymers: Their Applications to Chiral Separation and Bioanalysis。
Comparison of Carboxylic and Hydroxycarboxylic Acids as Complexing Agents for Transition Metal Separation with Nonaqueous Capillary Electrophoresis
nonaqueous capillary electrophoresis transition metals carboxylic acids
2007/12/13
Comparison of Carboxylic and Hydroxycarboxylic Acids as Complexing Agents for Transition Metal Separation with Nonaqueous Capillary Electrophoresis。