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The dynamics of structural deformations of immobilized single light-harvesting complexes.
Single assemblies of the intact light-harvesting complex LH2 from Rhodopseudomonas acidophila were bound to mica surfaces at 300 K and examined by observing their fluorescence after polarized lightExpand
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Interplay between excited-state intramolecular proton transfer and charge transfer in flavonols and their use as protein-binding-site fluorescence probes.
A comparative study is presented of competitive fluorescences of three flavonols, 3-hydroxyflavone, 3,3',4',7-tetrahydroxyflavone (fisetin), and 4'-diethylamino-3-hydroxyflavone (DHF). The normalExpand
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Energy transfer to a proton-transfer fluorescence probe: tryptophan to a flavonol in human serum albumin.
  • A. Sytnik, I. Litvinyuk
  • Chemistry, Medicine
  • Proceedings of the National Academy of Sciences…
  • 12 November 1996
A protein fluorescence probe system, coupling excited-state intermolecular Förster energy transfer and intramolecular proton transfer (PT), is presented. As an energy donor for this system, we usedExpand
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Excited-state intramolecular proton transfer as a fluorescence probe for protein binding-site static polarity.
  • A. Sytnik, M. Kasha
  • Chemistry, Medicine
  • Proceedings of the National Academy of Sciences…
  • 30 August 1994
A fluorescence probe is introduced for protein conformation and binding-site monitoring as the proton-transfer (PT) tautomer fluorescence by using 4-hydroxy-5-azaphenanthrene (HAP) as a prototype. AExpand
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Continuous Tracking of Heliostats
Tracking motions in current heliostats are usually performed in discrete steps, even though the motion of the sun is continuous. Aiming errors due to the discrete steps are often about 1 mrad orExpand
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