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. Author manuscript; available in PMC: 2017 Dec 19.
Published in final edited form as: Nat Neurosci. 2017 Jun 19;20(8):1180–1188. doi: 10.1038/nn.4591

Figure 2. Emission properties of TFs in brain slices.

Figure 2

a, Schematic of light delivery in brain tissue through FFs and TFs.

b, left, Image of fluorescence induced by light emission from an FF implanted into cortex in a fluorescein impregnated brain slice. Gray scale represents fluorescence intensity in arbitrary units of a linear scale. right, Normalized fluorescence intensity profile in the tissue starting from the fiber end face

c and d, Bright field images (left) to identify the position of the TFs in the fluorescein impregnated cortical or striatal brain slice used for acquisition of the fluorescence images (middle). Gray scale is the same as in (b). right, Normalized profiles of fluorescence intensities beside the taper, starting from the first emission point.