. Author manuscript; available in PMC: 2017 Jul 21.

Published in final edited form as: Mol Biosyst. 2016 Apr 27;12(7):2069–2079. doi: 10.1039/c6mb00168h

Table 2.

Values of m/z, predicted ion molecular formula, ion description, and tentative attribution of lipids detected in positive ion mode by DESI-MS as silver adducts.

Ion m/z	Ion molecular formula	Ion description	Tentative attribution^*
686.2	C₃₀H₅₀O₃NAg₂	[M+Ag₂NO₃]⁺	Squalene
699.4	C₃₇H₆₈O₅Ag₂	[M+Ag]⁺	DG(34:2)
701.4	C₃₇H₇₀O₅Ag₂		DG(34:1)
725.4	C₃₉H₇₀O₅Ag		DG(36:3)
727.4	C₃₉H₇₂O₅Ag		DG(36:2)
747.5	C₄₁H₆₉O₅Ag		DG(38:6)
755.5	C₄₅H₇₆0₂Ag		CE(18:2)
757.4	C₄₂H₆₆O₅Ag / C₄₅H₇₈0₂Ag		DG(39:8) / CE(18:1)
781.5	C₄₇H₇₈O₂Ag		CE(20:3)
783.5	C₄₇H₈₀O₂Ag		CE(20:2)
803.6	C₄₉H₇₆O₂Ag		CE(22:6)
864.3	C₃₇H₆₄O₈NAg₂	[M+Ag₂NO₃]⁺	DG(34:4)
937.6	C₅₃H₉₈O₆Ag	[M+Ag]⁺	TG(50:2)
939.6	C₅₃H₁₀₀O₆Ag		TG(50:1)
963.6	C₅₅H₁₀₀O₆Ag		TG(52:3)
965.6	C₅₅H₁₀₂O₆Ag		TG(52:2)
967.6	C₅₅H₁₀₄O₆Ag		TG(52:1)
895.7	C₅₇H₉₈O₆Ag		TG(54:6)
897.7	C₅₇H₁₀₀O₆Ag		TG(54:5)
989.7	C₅₇H₁₀₂O₆Ag		TG(54:4)
991.7	C₅₇H₁₀₄O₆Ag		TG(54:3)
993.7	C₅₇H₁₀₆O₆Ag		TG(54:2)
1011.6	C₅₉H₁₀₀O₆Ag		TG(56:7)
1013.6	C₅₉H₁₀₂O₆Ag		TG(56:6)
1035.7	C₆₁H₁₀₀O₆Ag		TG(58:9)
1037.7	C₆₁H₁₀₂O₆Ag		TG(58:8)
1081.8	C₆₃H₁₀₈O₆Ag		TG(60:0)
1107.8	C₆₅H₁₁₀O₆Ag		TG(62:1)
1109.8	C₆₅H₁₁₂O₆Ag		TG(62:0)
1138.4	C₅₉H₉₀O₇NAg₂	[M+Ag₂NO₃]⁺	Ubiquinone

Abbreviations: DG = diacylglycerol; TG = triacylglycerol. (C:U) represents the number of carbon atoms (C) and the number of unsaturations (U) of the fatty acid acyl chain.