A "Neck-formation" strategy for an antiquenching magnetic/upconversion fluorescent bimodal cancer probe

  • Feng Chen*
  • , Shengjian Zhang
  • , Wenbo Bu
  • , Xiaohang Liu
  • , Yu Chen
  • , Qianjun He
  • , Min Zhu
  • , Lingxia Zhang
  • , Liangping Zhou
  • , Weijun Peng
  • , Jianlin Shi
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

Up to the neck! Bio-safe upconversion fluorescent nanocrystals (NaYF 4:ErYb) and biocompatible superparamagnetic iron oxide nanocrystals (SPION) were effectively combined by means of a general "neck- formation" strategy forming a size-controlled Cd2+- and Gd 3+-free silica-shielded magnetic upconversion fluorescent oligomer (SMUFO) bimodal cancer probe that offers high resistance to photoquenching as well as a synergistic T2-weighted magnetic resonance enhanced effect (see graphic).

Original languageEnglish
Pages (from-to)11254-11260
Number of pages7
JournalChemistry - A European Journal
Volume16
Issue number37
DOIs
StatePublished - 4 Oct 2010
Externally publishedYes

Keywords

  • Antitumor agents
  • Fluorescence
  • Imaging agents
  • Magnetic resonance imaging
  • Neck formation

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