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Figure 3 | Chemistry Central Journal

Figure 3

From: Use of coupled ion mobility spectrometry-time of flight mass spectrometry to analyze saturated and unsaturated phenylpropanoic acids and chalcones

Figure 3

Analysis of dihydroferulate and ferulate by UPLC-Q-IMS-TOFMS. A) Selected ion UPLC-MS chromatogram of dihydroferulate ion ([M-H]-m/z = 195.0657; calculated = 195.0657, 0 ppm error) with MS/MS spectrum inset. B) Ion mobility spectrum of dihydroferulate ion ([M-H]-). C) Selected ion UPLC-MS chromatogram of ferulate ion ([M-H]-m/z = 193.0500; calculated = 193.0500, 0 ppm error) with MS/MS spectrum inset. D) Ion mobility spectrum of ferulate ion ([M-H]-). E) 2-D plot of drift time vs. m/z for combined mixture of dihydroferulate and ferulate. Arrows indicate position of the two compounds. Image resolution was set to 1000 bins in the MS dimension to allow for ease of viewing of the ions.

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BMC Chemistry

ISSN: 2661-801X

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