Chemical Imaging of Single Nanoparticles by Photothermal Microscopy

Eun-Sohl Koh; Bogdan Dragnea

doi:10.1364/LS.2014.LW5I.2

Frontiers in Optics 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper LW5I.2
•https://doi.org/10.1364/LS.2014.LW5I.2

Chemical Imaging of Single Nanoparticles by Photothermal Microscopy

Eun-Sohl Koh and Bogdan Dragnea

Laser Science 2014

Tucson, Arizona United States
19–23 October 2014
ISBN: 1-55752-286-3

From the session
Chemical and Biological Sensing II (LW5I)

Open Access

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E. Koh and B. Dragnea, "Chemical Imaging of Single Nanoparticles by Photothermal Microscopy," in Frontiers in Optics 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper LW5I.2.

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Abstract

Photothermal imaging detects absorbing nanoparticles with superior dynamic range which makes it an attractive alternative to single particle fluorescence microscopy. Here we focus on its application to the measurement of adsorption and desorption of macromolecules at a nanoparticle surface.

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