Application of Mass Spectrometry to Organic Chemical Analyses

Application of Tandem Mass Spectrometry in Chemical Kinetics

Identification of volatile organic compounds of some Trichoderma species using static headspace gas chromatography-mass spectrometry

Fungi release wide spectrum of volatile organic compounds (VOCs) that belong to several chemical groups with different biochemical origins such as monoterpenes, sesquiterpenes, alcohols, aldehydes, aromatic compounds, esters, furans, ketones, sulfur and nitrogen compounds. Trichoderma species are the most studied fungal biocontrol agents and are successfully used as biofungicides and biofertili...

Field Ionization Mass Spectrometry of Organic Plasmas

It is demonstrated that field ionization mass spectrometry has a potential application for the detection of neutral species involved in organic plasmas. In FI mass spectra of r.f. glow discharge plasmas of aromatic compounds, reaction products were detected mainly at higher mass regions, reflecting that polymerization reactions were leading processes in these plasmas. For olefine compounds, on ...

Time-condensed analyses by mass spectrometry.

Research has focused on the development of a new set of mathematical algorithms, encoded in C(++), when combined with a thermal desorption sample introduction system provides quantitative analysis of a wide mixture of organic compounds in under 10 min by gas chromatography/mass spectrometry. The overall goal is to condense the time of analysis, including both the times required for sample prepa...

Microscopic Organic Analysis Using Two-step Laser Mass Spectrometry: Application to Meteoritic Acid Residues

We have developed a mlcroanalytlcal Instrument to analyze the organk constltuonts of partlculates and Inhomogeneous samples wtth aspaUal ramlutbn ol approxlmatdy 40 pm. Om method, two-step laser desorptlon/laser lonlzatlon mass spectrometry (L2MS), uses an Infrared laser to volatlllze constttuent mokuks Intact and an ultraviolet l a w to lonlze desorbed molecules In a selective manner with Imle...