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Gd(III)-nanodiamond conjugates for MRI contrast enhancement.

ABSTRACT: A Gd(III)-nanodiamond conjugate [Gd(III)-ND] was prepared and characterized, enabling detection of nanodiamonds by MR imaging. The Gd(III)-ND particles significantly reduced the T(1) of water protons with a per-Gd(III) relaxivity of 58.82 +/- 1.18 mM(-1) s(-1) at 1.5 T (60 MHz). This represents a 10-fold increase compared to the monomer Gd(III) complex (r(1) = 5.42 +/- 0.20 mM(-1) s(-1)) and is among the highest per-Gd(III) relaxivities reported.

SUBMITTER: Manus LM 

PROVIDER: S-EPMC2829273 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature

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A Gd(III)-nanodiamond conjugate [Gd(III)-ND] was prepared and characterized, enabling detection of nanodiamonds by MR imaging. The Gd(III)-ND particles significantly reduced the T(1) of water protons with a per-Gd(III) relaxivity of 58.82 +/- 1.18 mM(-1) s(-1) at 1.5 T (60 MHz). This represents a 10-fold increase compared to the monomer Gd(III) complex (r(1) = 5.42 +/- 0.20 mM(-1) s(-1)) and is among the highest per-Gd(III) relaxivities reported. ...[more]