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ACS Chem Neurosci. 2013 Aug 21;4(8):1163-7. doi: 10.1021/cn4000692. Epub 2013 May 17.

Two-photon optical interrogation of individual dendritic spines with caged dopamine.

Abstract

We introduce a novel caged dopamine compound (RuBi-Dopa) based on ruthenium photochemistry. RuBi-Dopa has a high uncaging efficiency and can be released with visible (blue-green) and IR light in a two-photon regime. We combine two-photon photorelease of RuBi-Dopa with two-photon calcium imaging for an optical imaging and manipulation of dendritic spines in living brain slices, demonstrating that spines can express functional dopamine receptors. This novel compound allows mapping of functional dopamine receptors in living brain tissue with exquisite spatial resolution.

PMID:
23672485
PMCID:
PMC3750683
DOI:
10.1021/cn4000692
[Indexed for MEDLINE]
Free PMC Article
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