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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Mass Spectrom Rev. 2020 Nov 4;41(1):51–69. doi: 10.1002/mas.21667

Figure 9.

Figure 9.

Scheme illustrating protein oxidation near cell surface glycoproteins as generated by Fenton chemistry. Fe(II) complexes are incorporated into glycoproteins via click chemistry, and then proteins are oxidized through metal-catalyzed oxidation reactions. Figure used with permission from Li, Xie, Xu, & Lebrilla, 2019, DOI: 10.1039/C9SC01360A.