4.7 Article

Electrodeposited Fe and Fe-Au nanowires as MRI contrast agents

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 85, Pages 12634-12637

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc06991f

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Funding

  1. NSF through the UMN MRSEC program [DMR-0819885, DMR-1420013]
  2. UMN through the MnDRIVE program
  3. NSF
  4. National Nanotechnology Coordinated Infrastructure (NNCI)

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Electrodeposited Fe and Fe-Au nanowires were studied for potential as MRI contrast agents, especially for T-2-weighted imaging. Transverse relaxivities up to r(2) = 77.1 mM Fe-1 s(-1) (at 1.5 T) were achieved when Fe-Au nanowires were coated with thiol and carboxylic acid functionalized poly(ethyleneglycol). T-2-Weighted images (9 T) verified successful contrast.

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