Search results for: FLIM

• Light-Modulated Sunscreen Mechanism in the Retina of the Human Eye

  Publication

  • R. Luchowski
  • W. Grudzinski
  • R. Welc
  • M. M. Mendes Pinto
  • A. Sek
  • J. Ostrowski
  • Ł. Nierzwicki
  • P. Chodnicki
  • M. Wieczór
  • K. Sowinski... and 5 others

  - JOURNAL OF PHYSICAL CHEMISTRY B - Year 2021

  The functioning of the human eye in the extreme range of light intensity requires a combination of the high sensitivity of photoreceptors with their photostability. Here, we identify a regulatory mechanism based on dynamic modulation of light absorption by xanthophylls in the retina, realized by reorientation of pigment molecules induced by trans–cis photoisomerization. We explore this photochemically switchable system using chromatographic...

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