Rapid-Response and Highly Sensitive Boronate Derivative-Based Fluorescence Probe for Detecting H₂O₂ in Living Cells

Figure 3

Fluorescence response of TPIOP boronate after reacting with different concentrations of H₂O₂ (0–13.5 μM) in 10 mM HEPES buffer solution (pH 7.4 and 2 vol% DMSO). Insets: plot of fluorescent intensity at 467 nm against the concentration of H₂O₂ concentration and fluorescent images obtained when 2 μM TPIOP boronate coated Whatman paper was exposed to different concentrations of H₂O₂ (0–6 μM).