Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes

Seefeldt B, Altenhöner K, Tosic O, Geisler T, Sauer M, Mattay J (2011)
Photochemical & Photobiological Sciences 10(9): 1488-1495.

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Abstract
We present three recently developed photochromic fluorophores that are based on diarylethenes with elongated conjugated p-systems. The diarylethenes 1 and 3 can be switched from their open to their closed form with visible light. The diarylethenes 1 and 2 are covalently coupled to a standard rhodamine B-based fluorophore and act as photoswitchable resonance energy acceptors. By controlling their switching state, the fluorescence intensity of the dye can be modulated. The third compound 3 is a diarylethene that shows photoswitchable inherent fluorescence due to its stilbazolium-like structure. Ensemble experiments demonstrate that diarylethene-based photoswitches show superior characteristics regarding their switching performance, thermal stability and fatigue resistance. These attributes make them promising candidates for super-resolution imaging methods that are based on the determinate fluorescence switching of fluorophores between an off- and an on-state.
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Seefeldt B, Altenhöner K, Tosic O, Geisler T, Sauer M, Mattay J. Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes. Photochemical & Photobiological Sciences. 2011;10(9):1488-1495.
Seefeldt, B., Altenhöner, K., Tosic, O., Geisler, T., Sauer, M., & Mattay, J. (2011). Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes. Photochemical & Photobiological Sciences, 10(9), 1488-1495. doi:10.1039/c1pp05051f
Seefeldt, B., Altenhöner, K., Tosic, O., Geisler, T., Sauer, M., and Mattay, J. (2011). Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes. Photochemical & Photobiological Sciences 10, 1488-1495.
Seefeldt, B., et al., 2011. Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes. Photochemical & Photobiological Sciences, 10(9), p 1488-1495.
B. Seefeldt, et al., “Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes”, Photochemical & Photobiological Sciences, vol. 10, 2011, pp. 1488-1495.
Seefeldt, B., Altenhöner, K., Tosic, O., Geisler, T., Sauer, M., Mattay, J.: Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes. Photochemical & Photobiological Sciences. 10, 1488-1495 (2011).
Seefeldt, Britta, Altenhöner, Kai, Tosic, Oliver, Geisler, Thomas, Sauer, Markus, and Mattay, Jochen. “Kinetic studies on visible-light-switchable photochromic fluorophores based on diarylethenes”. Photochemical & Photobiological Sciences 10.9 (2011): 1488-1495.
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