mass spectrum

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Related to Mass spectra: mass spectrometry

mass spectrum

a characteristic pattern obtained from a mass spectrometer.

mass spec·trum

(mas spek'trŭm)
A distribution of charged particles arranged in the order of mass.
References in periodicals archive ?
2] classes identified from the positive-ion ESI FT-ICR mass spectra of four shale oil samples at a heating rate varied from 5 to 20 [degrees]C [min.
Analysis in SCAN mode of the most contaminated samples allowed the confirmation of AZA1 and AZA2 by mass spectra (Fig.
ESI mass spectra were collected in the Masuda laboratory, Nagoya Institute of Technology, Japan.
Lycopodium alkaloids XV Structure and mass spectra of some minor alkaloids of L flabelliforme.
Once mass spectra have been produced, using either MALDI or ESI, several different aspects of the chemical structure can be determined.
Since the mass spectra of 9-hydroxyphenanthrene derivatized with various reagents are not available in the mass spectral library of the National Institute of Standards and Technology, they are shown in Fig.
The final step in obtaining quantitative results from mass spectra is data analysis that is robust and self-consistent.
Identification is greatly assisted by the fact that mass spectra collections of approximately 130,000 compounds are readily available.
Later, using a library of reference mass spectra, Espinoza matched the unknown fingerprint to that of a common drug pentobarbital.
By integrating experimental data from instrument manufacturers such as Genomic Solutions with mass spectra from diverse sources analyzed and archived with our intelligence platforms, we can deliver a greater volume of valuable proteomic and genomic knowledge, more rapidly.
Table 4 - attribution of peaks in mass spectra m/z Product value Water 18 DMA 45 TBA 72 [CS.