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. Author manuscript; available in PMC: 2014 Sep 3.
Published in final edited form as: Mol Pharm. 2013 Aug 5;10(9):3296–3303. doi: 10.1021/mp300720k

Figure 3.

Figure 3

Brightfield and deep-red fluorescence micrographs of dead/dying MDA-MB-231 cells stained with either Tetra-Zn2BDPA-SR (a) or Bis-Zn2BDPA-SR (b). The cells were initially treated with etoposide (15 μM) for 11 hr, incubated with 10 μM of probe for 30 min at 37 °C, then washed with HEPES buffer. Scale bar = 30 μm.