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Nanotechnologies in Russia

, Volume 5, Issue 7–8, pp 531–537 | Cite as

Hybrid systems of quantum dots mixed with the photosensitive protein phycoerythrin

  • E. G. MaksimovEmail author
  • T. S. Gostev
  • F. I. Kuz’minov
  • N. N. Sluchanko
  • I. N. Stadnichuk
  • V. Z. Pashchenko
  • A. B. Rubin
Articles

Abstract

It is shown that semiconductor nanocrystals (or quantum dots) can be used to increase the absorbability of a pigment protein. In the mixture of phycoerythrin with quantum dots, the fluorescence of the quantum dots is suppressed several times due to the transfer of absorbed energy to phycoerythrin. The Forster resonance energy transfer is discussed as a possible mechanism of energy transfer in quantum dot-phycoerythrin donor-acceptor pairs. Calculations based on experimental data show that the efficiency of energy migration from quantum dots to phycoerythrin is 88% and the corresponding rate constant is 1.17 × 109 s−1.

Keywords

Fluorescence Quantum Yield Ultra Violet Energy Migration Fluorescence Excitation Spectrum Hybrid Complex 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • E. G. Maksimov
    • 1
    Email author
  • T. S. Gostev
    • 2
  • F. I. Kuz’minov
    • 2
  • N. N. Sluchanko
    • 3
  • I. N. Stadnichuk
    • 4
  • V. Z. Pashchenko
    • 1
  • A. B. Rubin
    • 1
  1. 1.Faculty of Biology, Biophysics DepartmentMoscow State UniversityMoscowRussia
  2. 2.Faculty of Physics, Quantum Electronics DepartmentMoscow State UniversityMoscowRussia
  3. 3.Faculty of Biology, Biochemistry DepartmentMoscow State UniversityMoscowRussia
  4. 4.Bach Institute of BiochemistryRussian Academy of SciencesMoscowRussia

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