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Ready to eat research highlights as electrophoretic inks. Filip Beunis and Tension at cell–cell junctions Protein stopwatches colleagues now reveal the charging dynamics Proc. Natl Acad. Sci. USA 109, 1506–1511 (2012) Nano Lett. http:/ /doi.org /hpx (2012) of poly(methyl methacrylate) microspheres in The strong enhancement of light fields by dodecane using an improved optical tracking surface plasmons in metallic nanostructures method. The researchers trap a microsphere has been widely used for label-free with optical tweezers and record its oscillatory molecular-sensing applications down to motion in a varying electric field. Sampling the single-molecule limit. A significant the oscillation amplitude at a high rate enables advance in the capability of such sensors has the researchers to detect charging in steps now been achieved by Carsten Sönnichsen of the elementary charge and to study the and colleagues, who demonstrate single- dynamics of the process. They propose that molecule detection with high-temporal charging is mediated by a few tens of surface resolution by measuring small shifts in the sites on the microspheres. The researchers plasmon resonance of a single gold nanorod suggest that, with further improvements, 9 µm when a protein binds to its surface. The their method could also be used to study experimental set-up is straightforward http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Materials Springer Journals

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Moscatelli, Alberto
Nature Materials , Volume 11 (3) – Feb 21, 2012
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Abstract

research highlights as electrophoretic inks. Filip Beunis and Tension at cell–cell junctions Protein stopwatches colleagues now reveal the charging dynamics Proc. Natl Acad. Sci. USA 109, 1506–1511 (2012) Nano Lett. http:/ /doi.org /hpx (2012) of poly(methyl methacrylate) microspheres in The strong enhancement of light fields by dodecane using an improved optical tracking surface plasmons in metallic nanostructures method. The researchers trap a microsphere has been widely...
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Publisher
Springer Journals
Copyright
Copyright © 2012 by Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.
Subject
Materials Science; Materials Science, general; Optical and Electronic Materials; Biomaterials; Nanotechnology; Condensed Matter Physics
ISSN
1476-1122
eISSN
1476-4660
DOI
10.1038/nmat3265
Publisher site
See Article on Publisher Site

Abstract

research highlights as electrophoretic inks. Filip Beunis and Tension at cell–cell junctions Protein stopwatches colleagues now reveal the charging dynamics Proc. Natl Acad. Sci. USA 109, 1506–1511 (2012) Nano Lett. http:/ /doi.org /hpx (2012) of poly(methyl methacrylate) microspheres in The strong enhancement of light fields by dodecane using an improved optical tracking surface plasmons in metallic nanostructures method. The researchers trap a microsphere has been widely used for label-free with optical tweezers and record its oscillatory molecular-sensing applications down to motion in a varying electric field. Sampling the single-molecule limit. A significant the oscillation amplitude at a high rate enables advance in the capability of such sensors has the researchers to detect charging in steps now been achieved by Carsten Sönnichsen of the elementary charge and to study the and colleagues, who demonstrate single- dynamics of the process. They propose that molecule detection with high-temporal charging is mediated by a few tens of surface resolution by measuring small shifts in the sites on the microspheres. The researchers plasmon resonance of a single gold nanorod suggest that, with further improvements, 9 µm when a protein binds to its surface. The their method could also be used to study experimental set-up is straightforward

Journal

Nature Materials – Springer Journals

Published: Feb 21, 2012

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