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. Author manuscript; available in PMC: 2020 Mar 12.
Published in final edited form as: Langmuir. 2002 Sep 13;18(21):7785–7787. doi: 10.1021/la0264926

Figure 2.

Figure 2.

Stern–Volmer plot of PPE-SO3−(2.5 × 10−6 M) quenching by bipyridinium derivatives, measured in PBS (6 mM) pH 7.4 (λex = 410 nm; λem = 535 nm). Insert: low quencher concentration profiles and linear Stern–Volmer fits.