Figure 2.
Extracted ion chromatograms of RNase B permethylated N-glycans purified through (A) off-line C18 solid-phase extraction and (B) on-line C18 nano-trap column. The insets are zoomed traces. Symbols: as in Figure 1.
Extracted ion chromatograms of RNase B permethylated N-glycans purified through (A) off-line C18 solid-phase extraction and (B) on-line C18 nano-trap column. The insets are zoomed traces. Symbols: as in Figure 1.