DNA-Controlled Excitonic Switches | Zendy

Elton Graugnard | Zendy; Donald L. Kellis | Zendy; Hieu Bui | Zendy; Stephanie L. Barnes | Zendy; Wan Kuang | Zendy; Jeunghoon Lee | Zendy; William L. Hughes | Zendy; William B. Knowlton | Zendy; Bernard Yurke | Zendy

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DNA-Controlled Excitonic Switches

Author(s) -

Elton Graugnard,

Donald L. Kellis,

Hieu Bui,

Stephanie L. Barnes,

Wan Kuang,

Jeunghoon Lee,

William L. Hughes,

William B. Knowlton,

Bernard Yurke

Publication year - 2012

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl3004336

Subject(s) - förster resonance energy transfer , exciton , nanotechnology , dna , energy transfer , fluorescence , nanoscopic scale , optoelectronics , transmission (telecommunications) , dna nanotechnology , function (biology) , materials science , chemistry , computer science , physics , chemical physics , biology , telecommunications , quantum mechanics , biochemistry , evolutionary biology

Fluorescence resonance energy transfer (FRET) is a promising means of enabling information processing in nanoscale devices, but dynamic control over exciton pathways is required. Here, we demonstrate the operation of two complementary switches consisting of diffusive FRET transmission lines in which exciton flow is controlled by DNA. Repeatable switching is accomplished by the removal or addition of fluorophores through toehold-mediated strand invasion. In principle, these switches can be networked to implement any Boolean function.

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