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. Author manuscript; available in PMC: 2019 Jul 11.
Published in final edited form as: Angew Chem Int Ed Engl. 2018 Apr 14;57(20):5725–5730. doi: 10.1002/anie.201801378

Figure 2.

Figure 2

Structural characterization of NPCN-333. TEM images of NPCN-333 (a), TYR@NPCN-333 (b), and TYR@NPCN-333 after soaking in RPMI-1640 for 7 days (c). Scale bar: 200 nm. d) Powder X-ray diffraction (PXRD) patterns of pristine NPCN-333 (black), TYR@NPCN-333 (red), TYR@NPCN-333 after trypsin treatment (blue), and TYR@NPCN-333 after soaking in RPMI 1640 media for 7 days (magenta). e) Particle-size distribution measured by dynamic light scattering (DLS): (from front to back) pristine NPCN-333, TYR@NPCN-333, TYR@NPCN-333 after trypsin treatment, and TYR@NPCN-333 after soaking in RPMI 1640 media for 0 and 7 days.