Photodynamic activity and DNA binding studies of Pd@SiO 2 core-shell nanoparticles in vitro

Metal-semiconductor core-shell type Pd@SiO nanoparticles (NPs) were successfully synthesized by Stober's method and the product was characterized by UV-vis, XRD, FT-IR, SEM, HR-TEM and EDX techniques. In vitro Photodynamic activity and DNA binding studies of Pd@SiO core shell nanoparticles were...

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Veröffentlicht in:Photodiagnosis and photodynamic therapy 2019-06, Vol.26, p.79
Hauptverfasser: Dhanalekshmi, K I, Sangeetha, K, Meena, K S, Magesan, P, Manikandan, A, Jayamoorthy, K
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container_title Photodiagnosis and photodynamic therapy
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creator Dhanalekshmi, K I
Sangeetha, K
Meena, K S
Magesan, P
Manikandan, A
Jayamoorthy, K
description Metal-semiconductor core-shell type Pd@SiO nanoparticles (NPs) were successfully synthesized by Stober's method and the product was characterized by UV-vis, XRD, FT-IR, SEM, HR-TEM and EDX techniques. In vitro Photodynamic activity and DNA binding studies of Pd@SiO core shell nanoparticles were studied. Cell viability of the core-shell nanoparticles against HeLa cell line was screened by MTT assay after exposing at different light doses. The outcome of the present study indicates that the core-shell Pd@SiO NPs are highly stable and exhibited strong photodynamic efficiency under LED light illumination in HeLa cells. The results indicated that SiO supported on the surface of Pd NPs not only prevented the aggregation in addition exhibited remarkable photodynamic activity.
doi_str_mv 10.1016/j.pdpdt.2019.03.008
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subjects Cell Survival
DNA - chemistry
DNA - metabolism
HeLa Cells - drug effects
Humans
In Vitro Techniques
Metal Nanoparticles - chemistry
Photochemotherapy - methods
Photosensitizing Agents - chemistry
Photosensitizing Agents - pharmacology
Protein Binding - drug effects
Surface Properties
title Photodynamic activity and DNA binding studies of Pd@SiO 2 core-shell nanoparticles in vitro
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