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Single Nanoparticle Photothermal Tracking (SNaPT) of 5-nm Gold Beads in Live Cells
Open accessAbstract
Tracking individual nano-objects in live cells during arbitrary long times is a ubiquitous need in modern biology. We present here a method for tracking individual 5-nm gold nanoparticles on live cells. It relies on the photothermal effect and the detection of the Laser Induced Scattering around a NanoAbsorber (LISNA). The key point for recording trajectories at video rate is the use of a triangulation procedure. The effectiveness of the method is tested against single fluorescent molecule tracking in live COS7 cells on subsecond timescales. We further demonstrate recordings for several minutes of AMPA receptors trajectories on the plasma membrane of live neurons. Single Nanoparticle Photothermal Tracking has the unique potential to record arbitrary long trajectory of membrane proteins using nonfluorescent nanometer-sized labels.
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Cites
Regulation of AMPA receptor lateral movements
Borgdorff, A. J., & Choquet, D. (2002) · Nature · doi:10.1038/nature00780 · Cited by 542
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Baffou, G., Quidant, R., & García de Abajo, F. J. (2010) · ACS Nano · doi:10.1021/nn901144d · Cited by 760
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Newpher, T. M., & Ehlers, M. D. (2008) · Neuron · doi:10.1016/j.neuron.2008.04.030 · Cited by 356
New Concepts in Synaptic Biology Derived from Single-Molecule Imaging
Triller, A., & Choquet, D. (2008) · Neuron · doi:10.1016/j.neuron.2008.06.022 · Cited by 262
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Metadata
- Authors
- Lasne, D., Blab, G. A., Berciaud, S., Heine, M., Groc, L., Choquet, D., Cognet, L., & Lounis, B.
- Venue
- Biophysical Journal
- Publisher
- Elsevier BV
- Published
- 2006-12
- Volume
- 91
- Issue
- 12
- Pages
- 4598-4604
- ISSN
- 0006-3495 (ISSN-L)
- OpenAlex
- W2130044745
- Cited by
- 236
- References
- 1
- FWCI
- 7.31
- Type
- journal article
- Language
- en
- Open access
- bronze
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- The paper
- Lasne, D., Blab, G. A., Berciaud, S., Heine, M., Groc, L., Choquet, D., Cognet, L., & Lounis, B. (2006). Single Nanoparticle Photothermal Tracking (SNaPT) of 5-nm Gold Beads in Live Cells. Biophysical Journal. https://doi.org/10.1529/biophysj.106.089771
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