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. 2016 Aug 1;6:30737. doi: 10.1038/srep30737

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(A) Series of signal-to-noise ratio (SNR) measurements using a dried drop of FDG (1 μCi) at different acquisition times (t_acq) without (left) and with (right) background from gamma radiation. (B) Summary of SNR with respect to acquisition time. (C) Lower limit of detection measured with a 100 nCi pocket source.