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. Author manuscript; available in PMC: 2019 May 9.
Published in final edited form as: Chem Commun (Camb). 2018 May 8;54(38):4878–4881. doi: 10.1039/c8cc01715h

Figure 1.

Figure 1

Metabolic labeling of N-azidoacetylmannosamine is blocked by modification of N-methyl carbamate linker on 1-hydroxyl group. a) Schematic illustration of controlled metabolic labeling by caging strategy. The dormant sugar activation depended solely on cellular trigger signal. b) Chemical structures of four control metabolic precursors with different linkers. c) Metabolic labeling of control metabolic precursors (50 μM) in multiple cell lines. d) Representative flow cytometry histogram of metabolic labeling of control precursors in MDA-MB-231 cells.