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A near-infrared-fluorescence-quenched gold-nanoparticle imaging probe for in vivo drug screening and protease activity determination

  • Seulki Lee
  • , Eui Joon Cha
  • , Kyeongsoon Park
  • , Seung Young Lee
  • , Jin Ki Hong
  • , In Cheol Sun
  • , Sang Yoon Kim
  • , Kuiwon Choi
  • , Ick Chan Kwon
  • , Kwangmeyung Kim
  • , Cheol Hee Ahn

Research output: Contribution to journalArticlepeer-review

318 Scopus citations

Abstract

(Figure Presented) Nanodiagnosis: A matrix-metalloproteinase (MMP) sensitive gold-nanoparticle (AuNP) imaging probe quenches conjugated near-infrared (NIR) dyes with high efficiency and is specifically activated by the target MMPs (see picture, left). With this system, nanomolar amounts of protease can be detected - both in vitro and in vivo. Experiments disclose an apparent positive contrast in MMPs-positive tumor-bearing mice (right).

Original languageEnglish
Pages (from-to)2804-2807
Number of pages4
JournalAngewandte Chemie - International Edition
Volume47
Issue number15
DOIs
StatePublished - 31 Mar 2008

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Cancer diagnosis
  • Drug screening
  • Fluorescent probes
  • Gold
  • Imaging agents

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