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Updated: May 17, 2026

Synthesis of 68Ga Core-doped Iron Oxide Nanoparticles for Dual Positron Emission Tomography /(T1)Magnetic Resonance Imaging
Published on: November 20, 2018
Gd2O3 nanoparticles: size-dependent nuclear magnetic resonance
A T M Anishur Rahman1, Peter Majewski, Krasimir Vasilev
1School AME, University of South Australia, Mawson Lakes, Australia. rahaa001@mymail.unisa.edu.au
Abstract:
In this communication, we demonstrate that there is an optimum gadolinium oxide (Gd(2)O(3)) nanoparticle size of 2.3 nm; in the presence of Gd(2)O(3) particles smaller and larger than this critical size, the spin-lattice relaxation rate (T(1) = 1/r(1)) of water protons at 7.0 T drastically decreases. Since r(1) is directly related to the quality of magnetic resonance imaging, the results presented here have significant implications for clinical diagnostics.
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