Patent ID: 8809062
Filing Date: 2014-08-19
Classification: C12Q,G01N,H01J

Abstract:
1. A method of performing sample analysis comprising: fractionating a complex sample including at least a first compound and a second compound into at least a first sample portion and a second sample portion that each include portions of the first compound and the second compound though in different concentration ratios; performing analysis of the first sample portion to observe intensities of precursor ions associated with the first and second compounds in the first sample portion, wherein said analysis of the first sample portion includes performing a chromatographic separation using a chromatography module and performing mass analysis using a mass-spectrometry module; performing analysis of the second sample portion to observe intensities of precursor ions associated with the first and second compounds in the second sample portion, wherein said analysis of the second sample portion includes performing a chromatographic separation using a chromatography module and performing mass analysis using a mass-spectrometry module; and associating precursor ions with their corresponding one of the first and second compounds using ratios of the observed intensities of the precursor ions in the first and second sample portions.