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Opt Lett. 2010 Apr 1;35(7):1109-11. doi: 10.1364/OL.35.001109.

Cerenkov luminescence tomography for small-animal imaging.

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1
Department of Biomedical Engineering, University of California, Davis, Davis, California 95616, USA. cqli@ucdavis.edu

Abstract

Cerenkov radiation is a well-known phenomenon in which optical photons are emitted by charged particles moving faster than the speed of light in a medium. We have observed Cerenkov photons emitted from beta-emitting radiotracers such as (18)F-fluorodeoxyglucose using a sensitive CCD camera. Phantom and in vivo mouse imaging experiments have demonstrated that surface measurements of the emitted Cerenkov optical photons could be used to reconstruct the radiotracer activity distribution inside an object by modeling the optical photon propagation with the diffusion equation and reconstructing the optical emission source distribution iteratively with a preconditioned conjugate gradient method.

PMID:
20364233
PMCID:
PMC2852688
[Indexed for MEDLINE]
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