Polyaspartic acid coated manganese oxide nanoparticles for efficient liver MRI

Nanoscale. 2011 Dec;3(12):4943-5. doi: 10.1039/c1nr11242b. Epub 2011 Nov 7.

Abstract

We report in this communication a simple, facile surface modification strategy to transfer hydrophobic manganese oxide nanoparticles (MONPs) into water by using polyaspartic acid (PASP). We systematically investigated the effect of the size of PASP-MONPs on MRI of normal liver and found that the particles with a core size of 10 nm exhibited greater enhancement than those with larger core sizes.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, N.I.H., Intramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Coated Materials, Biocompatible* / chemistry
  • Coated Materials, Biocompatible* / pharmacology
  • Contrast Media* / chemistry
  • Contrast Media* / pharmacology
  • Liver / diagnostic imaging*
  • Magnesium Oxide* / chemistry
  • Magnesium Oxide* / pharmacology
  • Magnetic Resonance Imaging / methods*
  • Mice
  • Nanoparticles / chemistry*
  • Particle Size
  • Peptides* / chemistry
  • Peptides* / pharmacology
  • Radiography

Substances

  • Coated Materials, Biocompatible
  • Contrast Media
  • Peptides
  • polyaspartate
  • Magnesium Oxide