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. 2019 Oct 24;6:17. doi: 10.1186/s40658-019-0255-x

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — The FWHM of ¹⁸F (blue) and ⁶⁸Ga (red) for 120 s and 2 × 2 binning (a), 300 s and 8 × 8 binning (b), the influence of tissue on spatial resolution is displayed in light blue and light red. Signal intensities were normalized, to correct for the difference in activity and intensity of ¹⁸F and ⁶⁸Ga. (d) Shows a white-light image of the glass capillary tubes with and without tissue. In (c) the corresponding CLI image of ⁶⁸Ga and in (e) the CLI images where the capillaries are filled with ¹⁸F. The CLI images visualized were used as input to determine the FWHM over a line profile. The displayed images were acquired with 120 s and 2 × 2 binning