Photon management in supramolecular peptide nanomaterials

Bioinspiration & Biomimetics
John D Tovar

Abstract

Self-assembling peptides with covalent pi-electron functionality offer new ways to create delocalized conduits within protein-based nanomaterials. My group's recent research is summarized in this regard, detailing foundational self-assembly and photophysical characterizations that validate the electronic couplings existing within the resulting peptidic nanomaterials. Using these initial studies as a benchmark, ongoing studies to create even more complex photonic energy delocalization schemes are presented, spanning excitonic and Förster energy transfer to low-bandgap dopant sites (whereby 46% of the observed photoluminescence could be quenched by the addition of 1 mol% of an energy acceptor), the creation of charge separated states following photoinduced electron transfer that persisted for over a nanosecond, and use of kinetic control to dictate self-sorting (at long time scales, ca. several hours) or intimate coassembly (at short time scales, ca. several seconds) of multiple peptide components. Peptide coassemblies are described that exhibit both directed exciton migration to low-energy sites and follow-up charge separation events, very much in mimicry with relevant photosynthetic processes.

References

Feb 15, 2001·Accounts of Chemical Research·D GustA L Moore
Aug 15, 2003·Nature·Pete Vukusic, J Roy Sambles
Aug 22, 2003·Nature·Vikram C SundarJoanna Aizenberg
Nov 4, 2004·Journal of the American Chemical Society·Benjamin W MessmoreSamuel I Stupp
Oct 24, 2007·Nature Materials·Youngjong KangEdwin L Thomas
Nov 7, 2007·Proceedings of the National Academy of Sciences of the United States of America·Loretta Laureana Del MercatoRoss Rinaldi
Sep 26, 2008·Journal of the American Chemical Society·Stephen R DiegelmannJohn D Tovar
Nov 12, 2009·Accounts of Chemical Research·Devens GustAna L Moore
Dec 18, 2009·Accounts of Chemical Research·Frank C Spano
May 13, 2010·Chemical Communications : Chem Comm·Lin ChenDave J Adams
May 17, 2011·Journal of the American Chemical Society·Rohan J KumarAndrew B Holmes
Mar 13, 2013·Accounts of Chemical Research·John D Tovar
Jul 31, 2013·Advanced Materials·Long PhanAlon A Gorodetsky
Feb 15, 2014·Journal of the American Chemical Society·Roman MartyHolger Frauenrath
May 23, 2014·Journal of the American Chemical Society·David LeyAdam B Braunschweig
Sep 3, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Brian D WallJohn D Tovar
Sep 10, 2014·Chemical Society Reviews·Scott Fleming, Rein V Ulijn
Oct 7, 2015·Bioconjugate Chemistry·Herdeline Ann M Ardoña, John D Tovar
Feb 24, 2016·Journal of the American Chemical Society·Allix M SandersJohn D Tovar
Jul 9, 2016·Angewandte Chemie·Denis IvnitskiNurit Ashkenasy
Jan 10, 2017·ACS Applied Materials & Interfaces·Bo LiCharles M Schroeder
Jun 6, 2017·Journal of the American Chemical Society·Herdeline Ann M ArdoñaJohn D Tovar
Jul 7, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Herdeline Ann M ArdoñaJohn D Tovar

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Citations

Oct 24, 2018·The Journal of Physical Chemistry. B·Rachael A Mansbach, Andrew L Ferguson

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