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. 2022 Feb 15;12:2541. doi: 10.1038/s41598-022-06000-5

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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The singlet oxygen (¹O₂) generation capabilities of BODIPY PSs. Absorption spectra of DPBF upon irradiation in the presence of (a) I and (b) OMe under 520 nm for different times. (c) Plots of the change in absorbance of DPBF at 414 nm at different irradiation times using hematoporphyrin (HP) as the standard in EtOH at room temperature (ΦΔ = 0.53). (d) ¹O₂ assay using the absorbance attenuation of DPBF in the presence of BODIPY I, H, OMe, and NO2 against HP as the standard in EtOH.