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Oxygen Microscopy by Two‐Photon‐Excited Phosphorescence
Open accessAbstract
High‐resolution images of oxygen distributions in microheterogeneous samples are obtained by two‐photon laser scanning microscopy (2P LSM), using a newly developed dendritic nanoprobe with internally enhanced two‐photon absorption (2PA) cross‐section. In this probe, energy is harvested by a 2PA antenna, which passes excitation onto a phosphorescent metalloporphyrin via intramolecular energy transfer. The 2P LSM allows sectioning of oxygen gradients with near diffraction‐limited resolution, and lifetime‐based acquisition eliminates dependence on the local probe concentration. The technique is validated on objects with a priori known oxygen distributions and applied to imaging of pO 2 in cells.
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Koch, C. J. (2002) · Methods in Enzymology · doi:10.1016/s0076-6879(02)52003-6 · Cited by 207
Cited by
Direct measurement of local oxygen concentration in the bone marrow of live animals
Spencer, J. A., Ferraro, F., Roussakis, E., Klein, A., Wu, J., Runnels, J. M., Zaher, W., Mortensen, L. J., Alt, C., Turcotte, R., et al. (2014) · Nature · doi:10.1038/nature13034 · Cited by 1,167
Self-citationOptical methods for sensing and imaging oxygen: materials, spectroscopies and applications
Wang, X.-D., & Wolfbeis, O. S. (2014) · Chem. Soc. Rev. · doi:10.1039/c4cs00039k · Cited by 1,114
Two-Photon Microscopy as a Tool to Study Blood Flow and Neurovascular Coupling in the Rodent Brain
Shih, A. Y., Driscoll, J. D., Drew, P. J., Nishimura, N., Schaffer, C. B., & Kleinfeld, D. (2012) · Journal of Cerebral Blood Flow & Metabolism · doi:10.1038/jcbfm.2011.196 · Cited by 458
Sakadžić, S., Roussakis, E., Yaseen, M. A., Mandeville, E. T., Srinivasan, V. J., Arai, K., Ruvinskaya, S., Devor, A., Lo, E. H., Vinogradov, S. A., et al. (2010) · Nature Methods · doi:10.1038/nmeth.1490 · Cited by 451
Self-citationBiological detection by optical oxygen sensing
Papkovsky, D. B., & Dmitriev, R. I. (2013) · Chemical Society Reviews · doi:10.1039/c3cs60131e · Cited by 444
Metadata
- Authors
- Finikova, O. S., Lebedev, A. Y., Aprelev, A., Troxler, T., Gao, F., Garnacho, C., Muro, S., Hochstrasser, R. M., & Vinogradov, S. A.
- Venue
- ChemPhysChem
- Publisher
- Wiley
- Published
- 2008-08-15
- Volume
- 9
- Issue
- 12
- Pages
- 1673-1679
- ISSN
- 1439-4235 (ISSN-L)
- 1439-7641
- OpenAlex
- W2161161776
- Cited by
- 240
- References
- 1
- FWCI
- 6.57
- Type
- journal article
- Language
- en
- Open access
- green
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