Heavy water: a simple solution to increasing the brightness of fluorescent proteins in super-resolution imaging.

Chem Commun (Camb)

Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA.

Published: September 2015

Photoactivatable fluorescent proteins (PA-FPs) are widely used in live single-molecule super-resolution imaging but emit substantially fewer photons than organic dyes do. Herein, we show that in heavy water (D2O) instead of H2O, common PA-FPs emit 26-54% more photons, effectively improving the localization precision in super-resolution imaging.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4544551PMC
http://dx.doi.org/10.1039/c5cc04575dDOI Listing

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