USA As Represented by Secretary of the Navy

Joseph S Melinger

Igor L Medintz

Mario Ancona

Ellen R Goldman

Susan Buckhout-White

Debra R Rolison

Jeffrey W Long

Jeffrey C Owrutsky

Christopher N Chervin

The invention relates to a nanoscale antenna including a nucleic acid scaffold having a structure selected from the group consisting of a Holliday junction, a star, and a dendrimer; and a plurality of fluorophores attached to the scaffold and configured as a FRET cascade comprising at least three different types of fluorophores including at least one quantum dot, arranged with (a) a plurality of initial donor fluorophores fixed in exterior positions on the structure, (b) a terminal acceptor fluorophore fixed in a central position on the structure, and (c) a plurality of intermediate fluorophores fixed in positions on the scaffold between the initial acceptor fluorophores and the terminal acceptor fluorophores.

Quantum dots in modular nucleic acid scaffolds operable as nanoscale energy harvesting and focusing arrays

The invention relates to a nanoscale antenna including a nucleic acid scaffold having a structure selected from the group consisting of a Holliday junction, a star, and a dendrimer; and a plurality of fluorophores attached to the scaffold and configured as a FRET cascade comprising at least three different types of fluorophores, arranged with (a) a plurality of initial donor fluorophores fixed in exterior positions on the structure, (b) a terminal acceptor fluorophore fixed in a central position on the structure, and (c) a plurality of intermediate fluorophores fixed in positions on the scaffold between the initial acceptor fluorophores and the terminal acceptor fluorophores.

Use of modular nucleic acid scaffolds to create nanoscale energy harvesting and focusing arrays

Disclosed herein is an article having: a substrate and a RuOcoating having nanoparticles of RuO. Also disclosed herein is an article having: a substrate and a RuOcoating. The coating is made by: immersing the substrate in a solution of RuOand a nonpolar solvent at a temperature that is below the temperature at which RuOdecomposes to RuOand warming the substrate and solution to ambient temperature under ambient conditions to cause the formation of the coating.

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Oakton, VA, United States of America

Joseph S Melinger