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. Author manuscript; available in PMC: 2013 Apr 4.
Published in final edited form as: J Am Chem Soc. 2012 Mar 23;134(13):5798–5800. doi: 10.1021/ja211601k

Figure 4.

Figure 4

PARACEST images acquired for a phantom containing four tubes A: Eu3+-(2) (20 mM) in HEPES buffer (pH 7, 0.25M); B: Eu3+-(2) (20 mM) plus two equivalents of β-NADH in HEPES buffer (pH 7, 0.25M); W: water; H: HEPES buffer at pH 7.