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. 2022 Dec 5;23:471–507. doi: 10.1016/j.bioactmat.2022.11.013

Fig. 2.

Fig. 2

Organic NP-based innovative cancer PTT nanosystems. (a) Schematic presenting the synthesis pathway and the applications of the ultrasmall PPy-based NPs in PTT and imaging modalities; (b) TEM images displaying PPy NPs obtained after the addition of different amounts of poly vinyl alcohol (PVA); (c) Photothermal conversion curve of PPy-based NPs irradiated at 808 nm (1.0 W/cm2) for 10 min for different concentration of NPs; d) Photothermal conversion curve of PPy-based NPs irradiated at 1064 nm (1.0 W/cm2) for 10 min for different concentration of NPs; (e) Photothermal stability of ultrasmall PPy-based NPs after repeated cycles of irradiation at 808 (1.0 W/cm2); (f) Photothermal stability of ultrasmall PPy-based NPs after repeated cycles of irradiation at 1064 nm (1.0 W/cm2). Adapted from Ref. [120]. Copyright © 2021, Wiley-VCH.