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Quantum‐Dot Fluorescence Lifetime Engineering with DNA Origami Constructs
Author(s) -
Ko Seung Hyeon,
Du Kan,
Liddle J. Alexander
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201206253
Subject(s) - quantum dot , template , nanotechnology , tracking (education) , dna origami , dna , fluorescence , molecule , quantum , computer science , physics , materials science , chemistry , biology , quantum mechanics , genetics , nanostructure , psychology , pedagogy
Single‐molecule GPS : The average photon count rate and lifetime of a quantum dot (Qdot) have been controlled by varying the geometrical configuration of Qdot–gold nanoparticle (AuNP) conjugates on DNA origami. With a 3D real‐time single‐molecule tracking system, which allows the DNA templates to be kept in their native state in solution, the influence of AuNPs on the Qdot lifetime is determined (see picture).