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Ionization mass spectrometry

Singly and doubly interlocked [2]catenanes can exist as topological stereoisomers (see p. 144 for a discussion of diastereomers). Catenanes 35 and 36 are such stereoisomers and would be expected to have identical mass spectra. Analysis showed that 35 is more constrained and cannot readily accommodate an excess of energy during the mass spectrometry ionization process and, hence, breaks more easily. [Pg.114]

Electrospray is the softest mass spectrometry ionization technique and electrospray spectra therefore usually consist solely of molecular ions. Electrospray is unique, however, in that if the analyte contains more than one site at which protonation (in the positive-ion mode) or deprotonation (in the negative-ion mode) may occur, a number of molecular ions with a range of charge states is usually observed. For low-molecular-weight materials (< 1000 Da), the number of sites... [Pg.164]

Tissue, B. M., Scimedia Mass Spectrometry Ionization Methods, accessed 3/9/2000, http //www.scimedia.com/chem-ed/ms/ftms.htm. [Pg.67]

The general principle of detection of free radicals is based on the spectroscopy (absorption and emission) and mass spectrometry (ionization) or combination of both. An early review has summarized various techniques to detect small free radicals, particularly diatomic and triatomic species.68 Essentially, the spectroscopy of free radicals provides basic knowledge for the detection of radicals, and the spectroscopy of numerous free radicals has been well characterized (see recent reviews2-4). Two experimental techniques are most popular for spectroscopy studies and thus for detection of radicals laser-induced fluorescence (LIF) and resonance-enhanced multiphoton ionization (REMPI). In the photochemistry studies of free radicals, the intense, tunable and narrow-bandwidth lasers are essential for both the detection (via spectroscopy and photoionization) and the photodissociation of free radicals. [Pg.472]

Mass spectrometry Ionization Accelerated ions Ionsensitive multiplier tubes, dynodes Spectrum Digitalized data... [Pg.72]

T. J. Kauppila, T. Kuuranne, E. C. Meurer, M. N. Eberlin, T. Kotiaho, and R. Kostiainen. Atmospheric Pressure Photoionization Mass Spectrometry Ionization Mechanism and the Effect of Solvent on the Ionization of Naphthalenes. Anal. Chem., 74(2002) 5470-5479. [Pg.74]

Ast, T., Porter, C. J., Proctor, C. J. and Beynon, J. H. Charge stripping reactions in mass spectrometry ionization energies of some mono- and disubstituted benzene ions. Glas. Hem. Drus. Beograd 46 135-151, 1981. [Pg.298]

Kauppila, T. J., Kuuranne, T., Meurer, E. C., Eberlin, M. N., Kotiaho, T., and Kostiainen, R., Atmospheric pressure photoionization mass spectrometry. Ionization mechanism and the effect of solvent on the ionization of naphthalenes. Anal. Chem., 74, 5470-5477, 2002. [Pg.1025]

AC CHROMATOGRAPHY COLUMN NAME 2.1 rrm id - 3. 5 mu m XTerra C18MS AC CHROMATOGRAPHY COLUMN TEMPERATURE 35 C AC MASS SPECTROMETRY IONIZATION ESI AC CHROMATOGRAPHY SAMPLING CONE 15 V, 30 V... [Pg.408]

See also Derivatization of Analytes. Gas Chromatography Column Technology High-Temperature Techniques High-Speed Techniques Detectors Environ-mentai Appiications Forensic Appiications Petro-chemicai Appiications. Mass Spectrometry Ionization Methods Overview Mass Separation Selected Ion Monitoring. [Pg.1918]

See also Atomic Mass Spectrometry Inductively Coupled Plasma. Gas Chromatography Mass Spectrometry. Liquid Chromatography Liquid Chromatography-Mass Spectrometry. Mass Spectrometry Ionization Methods Overview Electrospray Stable Isotope Ratio. [Pg.2398]

See also Mass Spectrometry Ionization Methods Overview Atmospheric Pressure Ionization Techniques Electrospray Matrix-Assisted Laser Desorption/lonization Time-of-Fiight. Proteins Traditionai Methods of Sequence Determination. Proteomics. [Pg.2961]

The three processes discussed in this chapter are interactive and iterative. Initially, one should (1) optimize the mass spectrometry ionization and detection parameters and LC separation conditions and (2) apply the method to biological samples to ensure that there are no interferences from the extraction or the matrix. Re-optimization may then be necessary to ensure the most accurate and reliable analyses. [Pg.82]

Simons, D.S. Colby, B.N. Evans, C.A., Jr. Electrohydrodynamic Ionization Mass Spectrometry. Ionization of Liquid Glycerol and Nonvolatile Organic Solutes. Int. J. Mass Spectrom. Ion Phys. 1974,15, 291-302. [Pg.613]


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Active chemical ionization mass spectrometry

Analytical pyrolysis ionization mass spectrometry

Atmospheric pressure chemical ionization-mass spectrometry

Atmospheric pressure ionization mass spectrometry

Atmospheric-pressure chemical ionization and mass spectrometry

Capillary Electrochromatography-Electrospray Ionization-Mass Spectrometry: An Integrated

Capillary electrophoresis-electrospray ionization-mass spectrometry

Chemical ionization mass spectrometry CI-MS)

Chemical ionization mass spectrometry characteristics

Chemical ionization mass spectrometry detector

Chemical ionization mass spectrometry electron capture

Chemical ionization mass spectrometry protonation sites

Chemical ionization mass spectrometry reagent gases

Chemical ionization, mass spectrometry

Chemical-ionization mass spectrometry sensitivity

Desorption Chemical Ionization Mass Spectrometry

Desorption electrospray ionization mass spectrometry

Desorption/ionization on silicon mass spectrometry

Easy ambient sonic-spray ionization mass spectrometry

Easy ambient sonic-spray ionization mass spectrometry EASI-MS)

Electro-spray ionization mass spectrometry

Electron impact ionization mass spectrometry

Electron ionization mass spectrometry EI-MS)

Electron ionization mass spectrometry fragmentation

Electron spray ionization mass spectrometry

Electron spray ionization mass spectrometry ESI-MS)

Electrospray (Ionization) Mass Spectrometry (ESMS)

Electrospray ionization Fourier transform mass spectrometry

Electrospray ionization mass spectrometry . See

Electrospray ionization mass spectrometry ES-MS)

Electrospray ionization mass spectrometry ESIMS)

Electrospray ionization mass spectrometry HPLC coupled

Electrospray ionization mass spectrometry analysis

Electrospray ionization mass spectrometry identification

Electrospray ionization mass spectrometry intact proteins

Electrospray ionization mass spectrometry limitations

Electrospray ionization mass spectrometry lipid analysis

Electrospray ionization mass spectrometry multiple reaction monitoring

Electrospray ionization mass spectrometry negative ions

Electrospray ionization mass spectrometry overview

Electrospray ionization mass spectrometry principles

Electrospray ionization mass spectrometry recombinant proteins

Electrospray ionization mass spectrometry sample preparation

Electrospray ionization mass spectrometry synthetic peptides

Electrospray ionization resonance mass spectrometry

Electrospray ionization tandem mass spectrometry

Electrospray ionization tandem mass spectrometry (ESI

Electrospray ionization-fourier transform ion cyclotron resonance-mass spectrometry

Electrospray-ionization mass spectrometry materials used

Field desorption mass spectrometry ionization technique

Field ionization mass spectrometry FIMS)

Field ionization mass spectrometry samples

Fission fragment ionization mass spectrometry

Gas chromatography/negative chemical ionization mass spectrometry

Gas chromatography/negative-ion chemical ionization-mass spectrometry

Gas chromatography/positive-ion chemical ionization mass spectrometry

Glow Discharge Ionization Mass Spectrometry

HPLC-atmospheric pressure chemical ionization mass spectrometry

High performance liquid chromatography/atmospheric pressure ionization-mass spectrometry

High performance liquid chromatography/atmospheric pressure ionization-tandem mass spectrometry

High-Throughput Microbial Characterizations Using Electrospray Ionization Mass Spectrometry and Its Role in Functional Genomics

Imaging mass spectrometry matrix-assisted laser desorption/ionization

Inorganic ions, laser ionization mass spectrometry

Ionization biological mass spectrometry

Ionization energy , mass spectrometry

Ionization mass spectrometry, desorption

Ionization method for liquid chromatography mass spectrometry

Ionization methods, for mass spectrometry

Ionization potential , mass spectrometry

Ionization region, mass spectrometry

Ionization techniques accelerator mass spectrometry

Ionization, chemical tandem mass spectrometry

Ionization, sample, tandem mass spectrometry

Isotope dilution thermal ionization mass spectrometry

Isotope dilution thermal ionization mass spectrometry ID-TIMS)

Laser Ionization Mass Spectrometry, LIMS

Laser desorption ionization mass spectrometry

Laser desorption/ionization mass spectrometry LDI-MS)

Laser desorption/ionization mass spectrometry MALDI

Laser desorption/ionization mass spectrometry layers

Laser desorption/ionization mass spectrometry organic material analysis using

Laser desorption/ionization mass spectrometry overview

Laser desorption/ionization mass spectrometry quantitation

Laser desorption/ionization mass spectrometry sample preparation

Laser desorption/ionization mass spectrometry techniques

Laser ionization mass spectrometry

Laser thermal ionization mass spectrometry

Laser-induced acoustic desorption/electrospray ionization mass spectrometry

Lead isotope analysis thermal ionization mass spectrometry

Lead, thermal ionization mass spectrometry

Liquid chromatography atmospheric pressure ionization mass spectrometry

Liquid chromatography electrospray ionization mass spectrometry

Liquid chromatography-mass spectrometry atmospheric-pressure ionization techniques

Liquid secondary ionization mass spectrometry

MALDI desorption ionization mass spectrometry

MALDI ionization mass spectrometry

Mass spectrometry MALDI-based ionization

Mass spectrometry ambient-ionization

Mass spectrometry detection, chemical ionization

Mass spectrometry detectors atmospheric pressure chemical ionization

Mass spectrometry detectors electrospray ionization

Mass spectrometry electron ionization

Mass spectrometry electrospray ionization

Mass spectrometry from electron ionization

Mass spectrometry imaging ionization beam

Mass spectrometry imaging ionization techniques (

Mass spectrometry ionization approaches

Mass spectrometry ionization methods

Mass spectrometry ionization sources

Mass spectrometry ionization techniques

Mass spectrometry ionized

Mass spectrometry ionized

Mass spectrometry ionized particles

Mass spectrometry matrix-assisted laser desorption ionization

Mass spectrometry pressure chemical ionization

Mass spectrometry pressure ionization electrospray

Mass spectrometry primary ionization

Mass spectrometry resonance enhanced multiphoton ionization

Mass spectrometry soft ionization

Mass spectrometry soft-ionization methods

Mass spectrometry surface-enhanced laser desorption ionization

Mass spectrometry, electrospray ionization emitter

Mass spectrometry, electrospray ionization substrate

Mass spectrometry, field-ionization

Matrix Assisted Laser Desorption Ionization-Time of Flight-Mass Spectrometry (MALDI-TOF-MS)

Matrix assisted laser desorption ionization MALDI) mass spectrometry

Matrix-assisted laser desorption ionization Fourier transform mass spectrometry

Matrix-assisted laser desorption ionization mass spectrometry instrumentation

Matrix-assisted laser desorption ionization time-of-flight mass spectrometry

Matrix-assisted laser desorption/ionization in imaging mass spectrometry

Matrix-enhanced surface-assisted laser desorption/ionization mass spectrometry

Multiphoton ionization mass spectrometry

Nanoelectrospray ionization tandem mass spectrometry

Negative ion chemical ionization mass spectrometry

Negative thermal ionization mass spectrometry

Negative thermal ionization mass spectrometry NTIMS)

Nitrogen compounds ionization mass spectrometry

Plasma Ionization Mass Spectrometry

Plasma ionization multicollector mass spectrometry

Polymerase chain reaction/electrospray ionization mass spectrometry

Positive-ion chemical ionization mass spectrometry

Proteins electrospray ionization mass spectrometry

Pyrolysis field ionization mass spectrometry

Resonance ionization mass spectrometry

Resonance-ionization mass spectrometry RIMS)

Resonant Two-Photon Ionization (RTPI) Combined with Mass Spectrometry

Resonant Two-Photon Ionization Combined with Mass Spectrometry

Resonant ionization mass spectrometry

Secondary ionization mass spectrometry

Secondary ionization mass spectrometry SIMS)

Surface ionization mass spectrometry

TIMS—See Thermal ionization mass spectrometry

Thermal ionization mass spectrometry

Thermal ionization mass spectrometry TIMS)

Thermal ionization mass spectrometry collectors

Thermal ionization mass spectrometry detection systems

Thermal ionization mass spectrometry multi-collector

Thermal ionization mass spectrometry table analysis

Threshold ionization mass spectrometry

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