mass spectrum

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mass spectrum

[′mas ′spek·trəm]
(particle physics)
A plot of masses of elementary particles, including unstable states. Also known as particle spectrum.
(physics)
A display, record, or plot of the distribution in mass, or in mass-to-charge ratio, of ionized atoms, molecules, or molecular fragments.
References in periodicals archive ?
The 1 H-NMR (in CDCl 3 ), mass spectra (APCI) (in acetone) data confirm the target compound.
4 presents ESI-MS mass spectra of PCR amplicons derived from both strands of the tkt genes for 6 Campylobacteria jejuni strains (49).
The representative serum N-glycome mass spectra of serum samples from a healthy individual, a patient with minimal liver fibrosis, and a patient with significant fibrosis are shown in Fig.
We used custom processing software developed in-house to analyze the raw mass spectra.
The Mass Spectrum: Odd Electron Molecular Ion versus Even Electron Precursor Ion Mass Spectra.
A series of highly purified peptides with appropriate characterization data (purity, homogeneity, reference mass spectra, method of synthesis, web links to relevant technical data, and specific methods for characterization and measurement uncertainties).
This device enables multi-analyte and isotope analysis to record mass spectra.
The Wiley Registry of Mass Spectral Data contains nearly 400,000 mass spectra with over 183,000 chemical structures sourced from leading laboratories throughout the world.
Full-scan mass spectra were obtained with the time-of-flight section of the instrument, and the 2 quadrupoles (Q1 and Q2) were operated in radiofrequency-only mode.
The 100 or 200 amuwide mass spectra RGAs display result from fast sweeps through various RF and DC voltage settings.
Mass spectra with the simultaneous highest resolution over an extended mass range greatly increase success rates in protein database identifications, without the need to optimize instrument parameters.
The instrument assembly comprising a high resolution mass spectrometer fitted with and a tandem ion mobility analyzer of the type Q-TOF (quadrupole / time-of-flight), wherein a part of the updated library of mass spectra with accurate masses of ions and ultraE[bar]cinnE' liquid chromatograph equipped with an autosampler and diode array detectors type ( DAD) for monitoring the spectra in the UV / VIS region and a fluorescence detector enabling scanning fluorescence spectra.