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. 2016 Mar 16;6:23199. doi: 10.1038/srep23199

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Panel (A) chromatogram of the derivatized sample of paraformaldehyde + TiO₂ mixture treated with 10 laser pulses. Peaks of manifold products of mutual reactions among derivatization agents are marked 1–5. Panel (B) chromatogram of selected sugars measured for comparison. For the corresponding mass spectra detected in the sample see panel (C). For details see the Supplementary Information.