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. 2018 Feb 24;23(2):500. doi: 10.3390/molecules23020500

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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T1−weighted image of protocatechuic acid loaded on GO/Gd nanocarrier after surface coating with gold nanoparticles (GAGPAu) acquired using Prisma 3−Tesla MRI at 2.0, 0.5 and 0.2 w/v concentrations of Gd³⁺, 0.5 (Gd w/v) and water reference.