Sentence examples for by comparing fragmentation patterns from inspiring English sources

Metabolites were identified by comparing fragmentation patterns with those in mass spectral libraries and quantified based on standard curves for each metabolite and the internal standard ribitol.

A total of 16 alkaloids belonging to the four groups were eventually identified in the RC extract by comparing fragmentation patterns and chromatographic retention times with those of the standards 15, 16, 17.

Identification was further supported by comparing fragmentation patterns with those of Microcystin LR, RR and YR standards that have been purchased from Sigma-Aldrich and by using the fragmentation simulation software HighChemMass Frontier (version 3).

For analyses, we compared fragmentation patterns and retention times with those of authentic standards.

In addition, the annotation of hydroxycinnamoyl-quinic- and hydroxycinnamoyl-isocitric- acids was also achieved by comparing MS fragmentation patterns with those of commercially available standards (Fig. 2).

Structural elucidation of the degradation products has been based on MS/MS techniques, by comparing their fragmentation patterns to the precursor's data.

Myo-inositol hexa-trimethylsilyl ether was identified by comparing the mass fragmentation pattern with the database library NIST07 (MS Library Software, Thermo Scientific).

Myo-inositol was quantified as a hexa-trimethylsilyl ether derivative and was identified by comparing the mass fragmentation pattern with the database library NIST07.

To assess the complementary nature of CID and ETD fragmentation, we compared their fragmentation patterns in relation to neighboring amino acids using the 9 446 pairs of spectra obtained in the conditional consecutive CID/ETD validation.

A species analysis was conducted by digesting a portion of the PCR sample, separating the restriction fragments using agarose gel electrophoresis and comparing the fragmentation pattern to the fingerprints that identify the mycoplasma species.

Metabolites were identified by comparing the m/z values, fragmentation patterns (MS/MS and MS) and retention times of each signal with those of available commercial standards and or with our previously published data [ 15, 16].