Figure 1.
(A) Fluorescence intensity increases (ΔF) of PSP (10 μM) with Na2S2 (50 μM): (1) PSP-1; (2) PSP-2; (3) PSP-3. (B) Time-dependent fluorescence intensity changes of PSP (10 μM) in the presence of Na2S2 (50 μM).
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