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Probing the stability of fluorescent proteins by terahertz spectroscopy

  • SUNY Buffalo
  • University of Colorado Boulder

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The higher transmission through tissues of long wavelength light motivates the development of fluorescent proteins with excitation shifted to the red. However red fluorescent proteins (RFPs) are more susceptible to photobleaching than their shorter wavelength counterparts. In particular RFPs are more susceptible to photobleaching [1]. A possible reason for this is a decrease in the structural stability of the beta barrel. Measurements of structural stability include atomic root mean squared displacement <x2> measured by the X-ray B-factor and neutron quasi elastic scattering. To date, X-ray measurements of RFP's do not indicate a structural stability change and systematic scattering studies have not been performed. Using THz dielectric response we examine if the picosecond structural flexibility decreases with increasing FP stability.

Original languageEnglish
Title of host publication2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2014
PublisherIEEE Computer Society
ISBN (Electronic)9781479938773
DOIs
StatePublished - Nov 13 2014
Event39th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2014 - Tucson, United States
Duration: Sep 14 2014Sep 19 2014

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Conference

Conference39th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2014
Country/TerritoryUnited States
CityTucson
Period09/14/1409/19/14

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