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Functional optoacoustic neuro-tomography of calcium fluxes in adult zebrafish brain in vivo.
Opt. Lett. 42, 959-962 (2017)
Genetically-encoded calcium indicators (GECIs) have revolutionized neuroimaging by enabling mapping of the activity of entire neuronal populations in vivo. Visualization of these powerful activity sensors has to date been limited to depth-restricted microscopic studies due to intense light scattering in the brain. We demonstrate, for the first time, in vivo real-time volumetric optoacoustic monitoring of calcium transients in adult transgenic zebrafish expressing the GCaMP5G calcium indicator. Fast changes in optoacoustic traces associated with GCaMP5G activity were detectable in the presence of other strongly absorbing endogenous chromophores, such as hemoglobin. The new functional optoacoustic neuroimaging method can visualize neural activity at penetration depths and spatio-temporal resolution scales not covered with the existing neuroimaging techniques.
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3.416
1.658
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2017
HGF-reported in Year
2017
ISSN (print) / ISBN
0146-9592
e-ISSN
1539-4794
Journal
Optics Letters
Quellenangaben
Volume: 42,
Issue: 5,
Pages: 959-962
Publisher
Optical Society of America (OSA)
Reviewing status
Peer reviewed
Institute(s)
Institute of Biological and Medical Imaging (IBMI)
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-505590-001
Scopus ID
85014662058
PubMed ID
28248341
Erfassungsdatum
2017-03-16