Bio-switchable optofluidic lasers based on DNA Holliday junctions were demonstrated. Nearly 100% wavelength switching was achieved through reversible conformational change of the Holliday junction controlled by magnesium ionic strength.
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Bio-switchable optofluidic lasers based on DNA Holliday junctions
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a
Department of Biomedical Engineering, University of Michigan, 1101 Beal Avenue, Ann Arbor, USA
E-mail: xsfan@umich.edu
E-mail: xsfan@umich.edu
b
Key Laboratory for Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, Fudan University, Shanghai 200433, P. R. China
c
Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Avenue, Ann Arbor, USA
Lab Chip, 2012,12, 3673-3675
DOI: 10.1039/C2LC40183E
Received 20 Feb 2012, Accepted 14 Jun 2012
First published online 15 Jun 2012
This article is part of themed collection:
Optofluidics
Lab on a Chip
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