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. 2015 Sep 11;1(8):e1500694. doi: 10.1126/sciadv.1500694

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Copyright © 2015, The Authors

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

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Fig. 4 — (A) Brief illustration of transporter-mediated cell uptake of BAAs. (B) The uptake-concentration correlation of ¹⁸F-BAAs fits the Michaelis-Menten equation. (C) Summary of experimentally measured K_m of ¹⁸F-BAAs as compared to those of L-AA counterparts.