Fig. 1: Schematic illustration of this work. | Nature Communications

Fig. 1: Schematic illustration of this work.

From: Aggregation control of anionic pentamethine cyanine enabling excitation wavelength selective NIR-II fluorescence imaging-guided photodynamic therapy

Fig. 1

a Molecular structure of anionic cyanines C3T-Pc, C5T-Pc and C5T-Pco. Schematic illustration of the influence of chain extending (b) and counterion engineering (c) on the nonaggregate and aggregate fluorescence properties, respectively. d The effects of changing the excitation wavelength on the ROS generation and PL intensity. e Schematic illustration of NIR-II fluorescence imaging-guided photodynamic therapy of anionic pentamethine cyanine in the well-controlled aggregate state.

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