Exploring the photocatalytic and photodynamic effects of BODIPY-linked titanium dioxide nanoparticles.

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Turkish Journal of Chemistry Pub Date : 2023-09-30 eCollection Date: 2023-01-01 DOI:10.55730/1300-0527.3623

Seda Demirel Topel

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Abstract

This study aimed to investigate the photocatalytic and photodynamic actions of a 2,6-diiodinated-BODIPY (2,6-diI₂-Bod) photosensitizer (PS) covalently linked to TiO₂ nanoparticles (NPs). The TiO₂ NPs were synthesized utilizing the hydrothermal technique, yielding an average particle size of 4-5 nm as ascertained by transmission electron microscopy and 6.4 nm as determined by dynamic light scattering measurements. The integration of the nonsoluble Bod PS to TiO₂ NPs provided increased dispersibility in physiological media, making it more applicable to photodynamic therapy applications. Bod-TiO₂ NPs exhibited moderate efficiency of 56.9% in singlet oxygen generation. Additionally, the photocatalytic behavior of the TiO₂ NPs was evaluated using methylene blue and 83.8% photodegradation efficiency was observed. The loading efficiency and loading content of the Bod PS were found to be 90.8% and 54.5%, respectively. These results suggest that Bod-TiO₂ NPs possess higher dispersibility in aqueous solutions, moderate photocatalytic activity, and potential for photodynamic therapy applications.

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探索 BODIPY 链接的二氧化钛纳米粒子的光催化和光动力效应。

本研究旨在探讨与二氧化钛纳米粒子（NPs）共价连接的 2,6-二碘-BODIPY（2,6-diI2-Bod）光敏剂（PS）的光催化和光动力作用。TiO2 NPs 是利用水热技术合成的，经透射电子显微镜检测，其平均粒径为 4-5 纳米，经动态光散射测量，其平均粒径为 6.4 纳米。在 TiO2 NPs 中加入不溶性的 Bod PS 增加了其在生理介质中的分散性，使其更适用于光动力疗法。Bod-TiO2 NPs 的单线态氧生成效率为 56.9%。此外，还使用亚甲基蓝评估了 TiO2 NPs 的光催化行为，观察到 83.8% 的光降解效率。结果发现，Bod PS 的负载效率和负载含量分别为 90.8% 和 54.5%。这些结果表明，Bod-TiO2 NPs 在水溶液中具有更高的分散性、适度的光催化活性以及光动力疗法的应用潜力。

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来源期刊

Turkish Journal of Chemistry 化学-工程：化工

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： The Turkish Journal of Chemistry is a bimonthly multidisciplinary journal published by the Scientific and Technological Research Council of Turkey (TÜBİTAK). The journal is dedicated to dissemination of knowledge in all disciplines of chemistry (organic, inorganic, physical, polymeric, technical, theoretical and analytical chemistry) as well as research at the interface with other sciences especially in chemical engineering where molecular aspects are key to the findings. The journal accepts English-language original manuscripts and contribution is open to researchers of all nationalities. The journal publishes refereed original papers, reviews, letters to editor and issues devoted to special fields. All manuscripts are peer-reviewed and electronic processing ensures accurate reproduction of text and data, plus publication times as short as possible.