Hard Proof of the NaYF4/NaGdF4 Nanocrystal Core/ Shell Structure [J. Am. Chem. Soc. 2009, 131, 14644– 14645]. Keith A. Abel, John-Christopher Boyer, and Frank C. J. M. van Veggel* The final paragraph of the manuscript, beginning with “In conclusion,” on the ninth line of the paragraph, should read: Finally, preliminary MRI data show clear shortening of T1 times and the potential of this material as a contrast agent for MRI. JA101738B 10.1021/ja101738b Published on Web 03/26/2010
10.1021/ja101738b 2010 American Chemical Society
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