Hybrid system based on quantum dots and photosystem 2 core complex

E. G. Maksimov, V. N. Kurashov, M. D. Mamedov, V. Z. Paschenko

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

We show that semiconductor nanocrystals (quantum dots, QD) can be used to increase the absorption capacity of pigment-protein complexes. In a mixture of photosystem 2 core complex (PS2) and QD, the fluorescence of the latter decreases several-fold due to the transfer of the absorbed energy to the PS2 core complex. We discuss Forster's inductive-resonance mechanism as a possible way of energy transfer in donor-acceptor pairs QD-PS2 core complex. Calculations based on the experimental data show that the enhancement of PS2 fluorescence and the rate of QA reduction increase up to 60% due to efficient energy migration from QD to PS2.

Original languageEnglish (US)
Pages (from-to)624-630
Number of pages7
JournalBiochemistry (Moscow)
Volume77
Issue number6
DOIs
StatePublished - Jun 1 2012

All Science Journal Classification (ASJC) codes

  • Biochemistry

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