Abstract
Photodynamic therapy (PDT) is a method that uses light-sensitive photosensitizers to stimulate cells with specific wavelengths. Nanoparticles (NPs) are an emerging technology in PDT, offering advantages over classical photosensitizers. The amalgamation of silver NPs and photosensitizer drugs has gained significant attention in PDT. We conjugated Ag NPs to sodium-copper chlorophyllin (SCC) in this research. The binding of Ag NPs to SCC was examined using X-ray diffraction, SEM, EDS, DLS, Zeta potential, and FTIR analyses. The optical properties of SCC before and after binding toAg NPs were performed through Photoluminescence (PL) analysis and UV–visible spectroscopy, as well as the production of reactive oxygen species (ROS) and free radicals (hydroxyl radical) before and after binding through the photobleaching phenomenon of methylene blue and photochemical degradation of anthracene. SCC exhibits high absorption in the visible spectrum violet-blue (350–470 nm) and red (570–710 nm) regions. HeLa cells and red LED were used to investigate the cytotoxicity (MTT assay) of SCC attached to Ag NPs.
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