Superparamagnetic iron oxide nanoparticle probes for molecular imaging

Daniel L J Thorek, Antony K. Chen, Julie Czupryna, Andrew Tsourkas

Research output: Contribution to journalArticle

Abstract

The field of molecular imaging has recently seen rapid advances in the development of novel contrast agents and the implementation of insightful approaches to monitor biological processes non-invasively. In particular, superparamagnetic iron oxide nanoparticles (SPIO) have demonstrated their utility as an important tool for enhancing magnetic resonance contrast, allowing researchers to monitor not only anatomical changes, but physiological and molecular changes as well. Applications have ranged from detecting inflammatory diseases via the accumulation of non-targeted SPIO in infiltrating macrophages to the specific identification of cell surface markers expressed on tumors. In this article, we attempt to illustrate the broad utility of SPIO in molecular imaging, including some of the recent developments, such as the transformation of SPIO into an activatable probe termed the magnetic relaxation switch.

Original languageEnglish (US)
Pages (from-to)23-38
Number of pages16
JournalAnnals of Biomedical Engineering
Volume34
Issue number1
DOIs
StatePublished - Jan 2006
Externally publishedYes

Fingerprint

Molecular imaging
Iron oxides
Nanoparticles
Magnetic relaxation
Macrophages
Magnetic resonance
Tumors
Switches

Keywords

  • Magnetic resonance
  • Molecular imaging
  • Nanoparticles
  • SPIO

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Superparamagnetic iron oxide nanoparticle probes for molecular imaging. / Thorek, Daniel L J; Chen, Antony K.; Czupryna, Julie; Tsourkas, Andrew.

In: Annals of Biomedical Engineering, Vol. 34, No. 1, 01.2006, p. 23-38.

Research output: Contribution to journalArticle

Thorek, Daniel L J ; Chen, Antony K. ; Czupryna, Julie ; Tsourkas, Andrew. / Superparamagnetic iron oxide nanoparticle probes for molecular imaging. In: Annals of Biomedical Engineering. 2006 ; Vol. 34, No. 1. pp. 23-38.
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