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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 7. — ASIII colorimetric assay of SPIO@PEG-GdDTPA nanocomposites. The absorbance spectra of SPIO@PEG-GdDTPA solution with ASIII at different pH values (7.4 and 5.0) for different incubation time (24 h and 72 h)