搜索结果: 1-15 共查到“工学 mass spectrometry”相关记录29条 . 查询时间(0.075 秒)
Network Degradation Assessed by Evolved Gas Analysis-Mass Spectrometry Combined with Principal Component Analysis (EGA-MS-PCA): A Case of Thermo-Oxidized Epoxy/Amine Network
ULTRAVIOLET-IRRADIATION MECHANICAL-PROPERTIES BUTADIENE RUBBER EPOXY-RESINS TEMPERATURE PYROLYSIS COATINGS TRANSITION OXIDATION SCISSION
2023/11/16
To study the degradation of thermosetting polymers, we apply a novel method to simultaneously study the chemical structural changes and network topology: evolved gas analysis-mass spectrometry combine...
Triboelectric Nanogenerators Boost Mass Spectrometry Performance
Triboelectric Nanogenerators Boost Mass Spectrometry Performance
2017/3/14
Triboelectric nanogenerators (TENG) convert mechanical energy harvested from the environment to electricity for powering small devices such as sensors or for recharging consumer electronics. Now, rese...
Quantitative Analysis of Humectants in Tobacco Products Using Gas Chromatography (GC) with Simultaneous Mass Spectrometry (MSD) and Flame Ionization Detection
tobacco tobacco humectants Simultaneous Mass Spectrometry
2015/1/7
This paper describes the modification of an existing gas chromatographic (GC) method to incorporate simultaneous mass spectrometric (MSD) and flame ionization detection (FID) into the analysis of toba...
Application of ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) metabolomic fingerprinting to characterise GM and conventional maize varieties
chemometric analysis maize metabolomics
2014/2/24
The feasibility of metabolomic fingerprinting approach based on ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UHPLC-QTOFMS) was studied to assess its abilit...
Preparation of flaxseed for lignan determination by gas chromatography–mass spectrometry method
defatting extraction GC/MS hydrolysis lignans
2014/2/25
Since 1980s, several methods for the determination of lignans in food samples have been developed depending on the types of lignans and foods analysed, but mostly on flaxseed as a reference food. In t...
Liquid chromatography/mass spectrometry analysis of perfluoroalkyl carboxylic acids and perfluorooctanesulfonate in bivalve shells: Extraction method optimization
Perfluorinated carboxylic acids Perfluorooctanesulfonate Shell Soft tissue Acid digestion Solid phase extraction
2013/12/12
Speeding up Tandem Mass Spectrometry Based Database Searching by Peptide and Spectrum Indexing
Mass Spectrometry Database Searching Peptide Spectrum Indexing
2010/12/21
Database searching is the technique of choice for shotgun proteomics, and to date much research effort has been spent on improving its effectiveness. However, database searching faces a serious challe...
Rapid detection of dimethyl yellow dye in curry by liquid chromatography-electrospray-tandem mass spectrometry
azo dyes dimethyl yellow curry LC-ESI-/MS/MS
2014/2/27
An accurate and rapid method, was devised for the identification and quantitation of dimethyl yellow dye in curry, based on liquid chromatography-tandem mass spectrometry interfaced with electrospray....
Characterization of Nitrogen Compounds in Vacuum Residues by Electrospray Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Vacuum residue Structural characterization Nitrogen compound
2009/7/24
The structural characteristics of the components of several vacuum residues from different geological sources (Taching, Sumatra light, Iranian heavy, Arabian mix, and Murban vacuum residues) were inv...
Manganese oxide nanoparticle-assisted laser desorption/ionization mass spectrometry for medical applications
metal oxide transmission electron microscopy ionization
2010/1/19
We prepared and characterized manganese oxide magnetic nanoparticles (d =5.6 nm) and developed nanoparticle-assited laser desorption/ionization (nano-PALDI) mass spectrometry. The nanoparticles had Mn...
Analysis of Dabsyl-Cl Derivated Amino Acids by High Performance Liquid Chromatography and Tandem Mass Spectrometry
amino acid dabsyl chloride analysis HPLC-MS/MS
2009/6/17
A high performance liquid chromatograph coupled with a tandem mass (MS/MS) detector was used for the analysis of 4-dimethylaminoazobenzene-4-sulfonyl chloride (dabsyl-Cl) derivated amino acids. Apart ...
Mass Spectrometry of Bio-Molecule by UV/FEL Matrix-Assisted Laser Desorption/Ionization
Matrix-assisted laser desorption/ionization (MALDI) Time-of-flight mass spectrometry (TOFMS) Free electron laser (FEL) Biological macromolecule
2009/6/15
Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOFMS) is a powerful and robust tool for protein identification. We proposed a novel MALDI method (UV/FEL MALDI) bas...
Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry with an Infrared Free-Electron Laser
Free-electron laser (FEL) Matrix-assisted laser desorption/ionization (MALDI) Time of flight mass spectrometry (TOFMS)
2009/6/9
A use of a free-electron laser (FEL) as the source of selective vibrational excitation was examined for infrared matrix-assisted laser desorption/ionization time of flight mass spectrometry (IR-MALDI-...
Laser Desorption/Ionization Time of Flight Mass Spectrometry Using a Free-Electron Laser
Free-electron laser (FEL) Laser desorption/ionization Time of flight mass spectrometry (TOFMS)
2009/6/9
This commentary article provides short accounts of matrix-assisted laser desorption/ionization (MALDI) and time of flight mass spectrometry (TOFMS), particularly perspective views of MALDI using an in...
Proteomics Research by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry
Proteomics MALDI MS Edman chemistry
2009/6/9
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) represents a well-accepted and reliable method for the characterization of proteins. The method has great advantages in terms...