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. Author manuscript; available in PMC: 2013 Jul 7.
Published in final edited form as: Analyst. 2012 Feb 8;137(13):2997–3003. doi: 10.1039/c2an16173g

Figure 6.

Figure 6

Representative autocorrelation function and photon counting histogram of a Ramos cell induced with STSP and 20 µmol/L Z-VAD-FMK for 3h and stained with 0.2 µM 2SBPO-Casp (A,B). As apoptosis continues, the inhibitor is eventually consumed and caspase activity is observed.