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. Author manuscript; available in PMC: 2021 Apr 23.
Published in final edited form as: Mol Pharm. 2017 May 8;14(6):1906–1915. doi: 10.1021/acs.molpharmaceut.7b00009

Figure 4.

Figure 4.

ESI-MS spectra of Ac-C(IR800)-Ahx-NB(GPO)9 (A) and IR800-Ahx-NB(GPO)9 (B) after 24 h incubation with BSA, clearly showing the presence of the BSA-IR800 conjugate only in Ac-C(IR800)-Ahx-NB(GPO)9.