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. 2021 Nov 12;8(6):rbab064. doi: 10.1093/rb/rbab064

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© The Author(s) 2021. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — (a) The XRD pattern of oil-soluble SPIO nanocrystals and (b) FTIR spectra of oil-soluble SPIO (i), SPIO@PEG-GdDTPA0.94 (ii), SPIO@PEG-GdDTPA1.28 (iii) and SPIO@PEG-GdDTPA1.67 (iv)