Potential detection of cancer with fluorinated silicon nanoparticles in 19F MR and fluorescence imaging

Sha Li, Yaping Yuan, Yuqi Yang, Conggang Li, Michael T Mcmahon, Maili Liu, Shizhen Chen, Xin Zhou

Research output: Contribution to journalArticle

Abstract

Fluorescence is widely used for cell imaging due to its high sensitivity and rich color choices but limited for in vivo imaging because of its low light penetration. Meanwhile, magnetic resonance imaging (MRI) is widely applied for in vivo diagnosis but not suitable for cell imaging because of its low resolution. As a result of rare background in living organisms, 19F-MRI stands out in several fields of clinical application. Herein, we report a one-pot microwave synthesis of fluorinated silicon nanoparticles (19FSiNPs), for detection of cancer cells and tumors. Based on the quantum effects of the nano-sized nanoparticles,19FSiNPs can act as a label free dye for ultracontrast cell fluorescence imaging. Our experiments demonstrated that these nanoprobes significantly enhanced in vivo19F/1H MRI contrast in rats with non-small cell lung tumors.Moreover, the resulting 19FSiNPs exhibited high water dispersibility and excellent biocompatibility, which make them promising for both cell imaging and in vivo imaging applications.

Original languageEnglish (US)
Pages (from-to)4293-4300
Number of pages8
JournalJournal of Materials Chemistry B
Volume6
Issue number26
DOIs
StatePublished - Jan 1 2018

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Silicon
Fluorescence
Nanoparticles
Imaging techniques
Magnetic resonance
Tumors
Cells
Nanoprobes
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Rats
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Coloring Agents
Dyes
Microwaves
Color
Water

ASJC Scopus subject areas

  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)

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Potential detection of cancer with fluorinated silicon nanoparticles in 19F MR and fluorescence imaging. / Li, Sha; Yuan, Yaping; Yang, Yuqi; Li, Conggang; Mcmahon, Michael T; Liu, Maili; Chen, Shizhen; Zhou, Xin.

In: Journal of Materials Chemistry B, Vol. 6, No. 26, 01.01.2018, p. 4293-4300.

Research output: Contribution to journalArticle

Li, Sha ; Yuan, Yaping ; Yang, Yuqi ; Li, Conggang ; Mcmahon, Michael T ; Liu, Maili ; Chen, Shizhen ; Zhou, Xin. / Potential detection of cancer with fluorinated silicon nanoparticles in 19F MR and fluorescence imaging. In: Journal of Materials Chemistry B. 2018 ; Vol. 6, No. 26. pp. 4293-4300.
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