Biotechnology for Biofuels and Bioproducts

Table 2 Low-mass ToF-SIMS peaks which generally distinguished unextracted from extracted lignocellulose samples

From: Towards practical time-of-flight secondary ion mass spectrometry lignocellulolytic enzyme assays

Unextracted			Extracted
Mass	Ion(s)	Component(s)	Mass	Ion(s)	Component(s)
43	C₃H₇, C₂H₃O	L, PS	29	CHO, C₂H₅	PS, L
55	C₄H₇, C₃H₃O	L, PS	31	CH₃O	PS
67	C₅H₇	L*	45	C₂H₅O	PS
71	C₃H₃O₂	PS*	47	CH₃O₂	PS*
79	C₆H₇	L*	51	C₄H₃	L*
81	C₆H₉, C₅H₅O	L, PS*	59	C₂H₃O₂	PS
91	C₇H₇	L*	61	C₂H₅O₂	PS*
93	C₇H₉	L*	63	C₅H₃	L*
95	C₇H₁₁	L	65	C₅H₅	L*
105	C₈H₉	L*	69	C₄H₅O, C₅H₉	PS, L
107	C₈H₁₁, C₇H₇O	L*	73	C₃H₅O₂	PS
121	C₇H₅O₂, C₈H₉O	L*	85	C₄H₅O₂	PS
128	C₆H₈O₃	L*	97	C₅H₅O₂	PS*
145	C₆H₉O₄	PS*	99	C₅H₇O₂	PS*
			113	C₅H₅O₃	PS*
			127	C₆H₇O₃	PS*
			137	C₈H₉O₂	L*
			151	C₈H₇O₃	L*

Lignin (L) and polysaccharide (PS) designations are from previous publications [1, 18]. Those peaks also considered to be free from protein peak interferences are starred* [1].

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