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Research Article

Site-Specific Photochemical Reaction for Improved C=C Location Analysis of Unsaturated Lipids by Ultraviolet Photodissociation

Table 1

The wavelength used for PB-UVPD MS/MS analysis of GPLs with 4-CF3-Bzp reagent and the corresponding identified C=C diagnostic ions.

Lipid classesUVPD wavelengthDiagnostic fragments for C=C locations

PC210 nmFA, FO
260 nmFA
PE225 nmFA, FO; fA
PG210 nmFA, FO; fA, fO
PS225 nmFA, FO; fA
PA210 nmFA, FO; fA, fO