Abstract
Photovoltaic organic semiconductors are emerging in many therapeutic applications, including drug delivery and optical control of cell function. However, for their safe use the possible concomitant elicitation of undesired responses in target cells need to be carefully evaluated. Here we describe molecular responses activated by semiconducting polymer nanoparticles based on poly(3-hexyl)thiophene (P3HT) in the model Hydra vulgaris, previously shown to respond to P3HT-NP photostimulation and showed a decrease in the total antioxidant capacity and an increase in the DNA and protein oxidation levels, paving the way to a novel use of photovoltaic devices to control intracellular redox equilibrium.
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Acknowledgment
Technical assistance of Giuseppe Marino and Ilaria Panico (ISASI-CNR, Pozzuoli) for animal culturing is gratefully acknowledged. We also thank for technical assistance in animal irradiation using white light LED source Dr. Massimo Rippa (ISASI-CNR, Pozzuoli). MM acknowledges the European Union’s Horizon 2020 research and innovation programme (Marie Skiodowska-Curie grant agreement No. 660228).
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Moros, M., Lewinska, A., Onorato, G. et al. Light-triggered modulation of cell antioxidant defense by polymer semiconducting nanoparticles in a model organism. MRS Communications 8, 918–925 (2018). https://doi.org/10.1557/mrc.2018.104
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DOI: https://doi.org/10.1557/mrc.2018.104