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. 2021 Dec 23;10(1):17. doi: 10.3390/biomedicines10010017

Figure 3.

Figure 3

Macro-crystals formed by the free BBB4 released in the medium (173.4 µM after 4 h, 239.9 µM after 12 h, and 254 µM after 24 h) from BBB4-G4K NPs at 15 µM, responsible for the cell death.