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. 2021 May 13;11(14):7045–7056. doi: 10.7150/thno.60586

Scheme 1.

Scheme 1

(A) NRh-G-NPs crossed the cell membrane of cancer cells and were specifically cleaved by GGT to form NRh-NH2-NPs, which were turned on with fluorescence and photothermal properties. (B) The reaction in which the γ-Glu of NRh-G was specifically cut off by GGT to produce NRh-NH2.