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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: J Magn Reson. 2016 Dec 31;276:31–36. doi: 10.1016/j.jmr.2016.12.015

Figure 2.

Figure 2

250.8 MHz rapid-scan spectra of PxSSPx after injection into a tumor in vivo. Relative amplitudes are preserved. A. Immediately after injection. Circles represent data; solid line is simulated spectrum with 15N hfi A = 2.04 mT and exchange coupling J = 110 MHz. B. At 175 s post-injection. C. At 1850 s post-injection. Solid line is simulated spectrum with 15N hfi A = 2.31 mT. D. Time dependence of the PxSSPx (triangles) and PxSH (circles) spin numbers; solid curves are simulations with k1obs=1.85·10−3s−1,k2obs=6.65·10−3s−1 and k2clr=0.39·10−3s−1 (see main text for details).