Surfactant Semiconductors as Trojan Horses in Cell‐Membranes for On‐Demand and Spatial Regulation of Oxidative Stress

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2023
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Jaschke, Marian
Plenge, Masina
Lehrich, Tina
Stöckemann, Kilian
Heinemann, Dag
Ngezahayo, Anaclet
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Oxidative stress is a cause for numerous diseases and aging processes. Thus, researchers are keen to tune the level of intracellular stress and to learn from that. An unusual approach is presented here. The methodology involves multifunctional surfactants. Although their molecular design is nonbiological—a fullerenol head group attached covalently to pi-conjugated dyes—the surfactants possess superior biocompatibility. Using an intrinsic fluorescence signal as a probe, it is shown that the amphiphiles become incorporated into the Caco-2 cells. There, they are able to exhibit additional functions. The compound reduces cellular stress in dark reaction pathways. The antagonistic property is activated under irradiation, the photocatalytic production of reactive oxygen species (ROS), resulting in cell damage. The feature is activated even by near-infrared light (NIR-light) via a two-photon process. The properties as molecular semiconductors lead to a trojan horse situation and allows the programming of the spatial distribution of cytotoxicity.

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ISO 690JASCHKE, Marian, Masina PLENGE, Marius KUNKEL, Tina LEHRICH, Julia SCHMIDT, Kilian STÖCKEMANN, Dag HEINEMANN, Stephan SIROKY, Anaclet NGEZAHAYO, Sebastian POLARZ, 2023. Surfactant Semiconductors as Trojan Horses in Cell‐Membranes for On‐Demand and Spatial Regulation of Oxidative Stress. In: Advanced Healthcare Materials. Wiley. 2023, 12(10), 2202290. ISSN 2192-2640. eISSN 2192-2659. Available under: doi: 10.1002/adhm.202202290
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@article{Jaschke2023-01-13Surfa-60058,
  year={2023},
  doi={10.1002/adhm.202202290},
  title={Surfactant Semiconductors as Trojan Horses in Cell‐Membranes for On‐Demand and Spatial Regulation of Oxidative Stress},
  number={10},
  volume={12},
  issn={2192-2640},
  journal={Advanced Healthcare Materials},
  author={Jaschke, Marian and Plenge, Masina and Kunkel, Marius and Lehrich, Tina and Schmidt, Julia and Stöckemann, Kilian and Heinemann, Dag and Siroky, Stephan and Ngezahayo, Anaclet and Polarz, Sebastian},
  note={Article Number: 2202290}
}
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