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A facile synthesis, in vitro and in vivo MR studies of d-glucuronic acid-coated ultrasmall Ln2O3 (Ln = Eu, Gd, Dy, Ho, and Er) nanoparticles as a new potential MRI contrast agent

  • Krishna Kattel
  • , Ja Young Park
  • , Wenlong Xu
  • , Han Gyeol Kim
  • , Eun Jung Lee
  • , Badrul Alam Bony
  • , Woo Choul Heo
  • , Jae Jun Lee
  • , Seonguk Jin
  • , Jong Su Baeck
  • , Yongmin Chang
  • , Tae Jeong Kim
  • , Ji Eun Bae
  • , Kwon Seok Chae
  • , Gang Ho Lee
  • Kyungpook National University

Research output: Contribution to journalArticlepeer-review

143 Scopus citations

Abstract

A facile one-pot synthesis of d-glucuronic acid-coated ultrasmall Ln 2O3 (Ln = Eu, Gd, Dy, Ho, and Er) nanoparticles is presented. Their water proton relaxivities were studied to address their possibility as a new potential MRI contrast agent. We focused on the d-glucuronic acid-coated ultrasmall Dy2O3 nanoparticle because it showed the highest r2 relaxivity among studied nanoparticles. Its performance as a T2 MRI contrast agent was for the first time proved in vivo through its 3 T T2 MR images of a mouse, showing that it can be further exploited for the rational design of a new T 2 MRI contrast agent at high MR fields.

Original languageEnglish
Pages (from-to)3325-3334
Number of pages10
JournalACS Applied Materials and Interfaces
Volume3
Issue number9
DOIs
StatePublished - 28 Sep 2011

Keywords

  • LnO
  • MRI contrast agent
  • one-pot synthesis
  • ultrasmall nanoparticle

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