搜索结果: 1-15 共查到“solid phase”相关记录66条 . 查询时间(0.093 秒)
Solid-Phase Synthesis of N-Carboxyalkyl Unnatural Amino Acids
solid-phase synthesis amino acids combinatorial chemistry
2015/5/21
A novel route has been developed for the solid-phase synthesis of N-carboxyalkyl unnatural amino acids as potential metalloprotease inhibitors. The key step involves a nitrogen alkylation of resin-bou...
Evaluation of Patulin in Commercial Baby Foods by solid Phase Extraction and Liquid Chromatography PDA Detection
homogenised puree HPLC patulin Turkish markers
2015/3/4
A simple, reliable, and rapid RP-LC method has been developed for the determination of patulin in commercial baby foods
from Turkish markets. Solid phase extraction and liquid chromatography with ph...
A novel sorbent for solid-phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
HPCL molecular imprinting SPE olaquindox
2014/10/11
A new and hydrophilic molecularly imprinted polymer (MIP) selective for olaquindox was prepared by bulk polymerisation using methacrylic acid as the functional monomer and ethylene glycol dimethacryla...
Determination of volatiles in beer using solid-phase microextraction in combination with gas chromatography/mass spektrometry
GC headspace technique solid phase microextraction volatile compounds
2014/7/10
Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and li...
Solid phase phosphorus species and preservation of fish remains in marine sediments of areas of high primary productivity and oxygen seasonality (36°S, central South Chile)
fish debris biogenic apatite seasonal coastal upwelling hypoxia central-south Chile
2017/4/10
The main input of phosphorus to the ocean is associated with river runoff, while this element leaves the marine system
via burial in the sediments. Solid phase P accumulation is a function of bottom ...
Coupling of on-Line Pre-Column Oxidative Cleavage and Solid-Phase Enrichment with Liquid Chromatography Using an Eco-Friendly Analytical Procedure to Determine Low Levels of Methotrexate
Cerium (IV) Trihydroxyhydroperoxide HPLC Methotrexate
2013/1/29
A simple, sensitive and precise green high-performance liquid chromatographic method including on-line pre-column oxidation combined by column switching with a short Hypersil ODS analytical column (10...
Monitoring of Pesticides Residues in Italian Mineral Waters by Solid Phase Extraction and Gas Chromatography Mass Spectrometry
Mineral Water Pesticides SPE GC-MS
2013/3/19
Twenty-two pesticides and metabolites, selected on the basis of regional priority lists, were surveyed in thirty Italian mineral waters springs for three years by a procedure based on solid phase extr...
Solid phase epitaxy amorphous silicon re-growth: some insight from empirical molecular dynamics simulation
Nucleation and growth Theory and models of film growth
2011/9/1
The modelling of interface migration and the associated diffusion mechanisms at the nanoscale level is a challenging issue. For many technological applications ranging from nanoelectronic devices to s...
Volatile Profiles of Toxigenic and Non-to xigenic Aspergillus flavus Using SPME for Solid Phase Extraction
Aspergillus flavus secondary metabolic volatiles aflatoxin maize
2010/12/22
Toxigenic and atoxigenic strains of Aspergillus flavus were grown on potato dextrose agar (PDA) and wetted (23% moisture) sterile, cracked corn for 14 and 21 days,respectively.
Solid phase extraction of copper, nickel, and cobalt in water samples after extraction using surfactant coated alumina modified with indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption spectrometry
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/12/3
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
'Solid phase extraction of Copper, Nickel and Cobalt in water samples after extraction using surfactant Coated alumina modified with Indane-1,2,3-trione 1,2-dioxime and determination by flame atomic absorption
Solid phase extraction surfactant coated alumina atomic absorption spectrometry
2010/10/19
A simple method for simultaneous pre-concentration of Cu, Ni, and Co metal ions prior to their determination by flame atomic absorption spectrometry is reported. The method is based on the extraction ...
Photostability of gas- and solid-phase biomolecules within dense molecular clouds due to soft X-rays
2010/12/28
An experimental photochemistry study involving gas- and solid-phase amino acids (glycine, DL-valine, DL-proline) and nucleobases (adenine and uracil) under soft X-rays was performed. The aim was to te...
Quantum computational capability of a two-dimensional valence bond solid phase
Quantum computational capability two-dimensional valence bond solid phase
2010/10/20
Quantum phases of naturally-occurring systems exhibit rich nature as manifestation of their
many-body correlations, in contrast to our persistent technological challenge to build at will such correla...
Evaluation of solid-phase extraction sorbent with ketoimine groups for the preconcentration of benzene and phenolic compounds in water
Modified silica solid-phase extraction SPE
2010/10/18
The applicability of silica gel, modified with ketoimine groups, to solid phase extraction (SPE) was tested. Basic characteristics of the modified silica were determined using elemental analysis, and ...
Modification of a Porous Sheet (MAPS) for the High-Performance Solid-Phase Extraction of Trace and Ultratrace Elements by Radiation-Induced Graft Polymerization
Modification Porous Sheet High-Performance Solid-Phase Extraction Trace Ultratrace Elements Radiation-Induced Graft Polymerization
2010/9/13
In this review, the preparation of a novel porous sheet designed for solid-phase extraction (SPE) and a comparison of the preconcentration performance of metal ions with conventional sorbents are des...