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Super-resolution fluorescence allows us to track species interacting with plasmonic nanoparticles, even when they are co-localized within a single diffraction-limited spot. To do this, species of interest are labeled with a fluorescent dye, which serves as a reporter and tells us about the position or dynamics of the labeled molecule. We use this technique to learn about how ligands attached to the nanoparticle surface behave as well as understand how coupling interactions between plasmonic nanostructures and fluorescent molecules affects their radiative properties.
How it works
How it works
Understanding ligands on nanoparticle surfaces
Understanding ligands on nanoparticle surfaces
Plasmon-molecule coupling
Plasmon-molecule coupling
Related publications
Related publications
P.A. Reinhardt, A.P. Crawford, C.A. West, G. Delong, S. Link, D.J. Masiello, K.A. Willets. “Towards Quantitative Nanothermometry Using Single-Molecule Counting.” J. Phys. Chem. B. 125, 12197 (2021).
X. Cheng, T.P. Anthony, C.A. West, Z. Hu, V. Sundaresan, A.J. McLeod, D.J. Masiello, K.A. Willets. “Plasmon heating promotes ligand reorganization on single gold nanorods.” J. Phys. Chem. Lett. 10, 1394 (2019).
K. L. Blythe and K.A. Willets. “Super-resolution imaging of fluorophore-labeled DNA bound to gold nanoparticles: a single molecule, single particle approach.” Invited feature article. J. Phys. Chem. C. 120, 803 (2016).
K.L. Blythe, E.J. Titus, K.A. Willets. “The effects of tuning fluorophore density, identity, and spacing on reconstructed images in super-resolution imaging of fluorophore-labeled gold nanorods.” J. Phys. Chem. C. 119, 28099 (2015).
K.L. Blythe, E.J. Titus, K.A. Willets. “Comparing the accuracy of reconstructed image size in super-resolution imaging of fluorophore-labeled gold nanorods using different fit models.” J. Phys. Chem. C. 119, 19333 (2015).
K.L. Blythe, E.J. Titus and K.A. Willets. “Triplet-state mediated super-resolution imaging of fluorophore-labeled gold nanorods.” ChemPhysChem (Invited contribution to special themed issue on super-resolution imaging and nanophotonics). 15, 784-793 (2014).
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