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Deep-tissue photoacoustic tomography of a genetically encoded near-infrared fluorescent probe

  • Grigory S. Filonov
  • , Arie Krumholz
  • , Jun Xia
  • , Junjie Yao
  • , Lihong V. Wang
  • , Vladislav V. Verkhusha
  • Albert Einstein College of Medicine
  • Washington University St. Louis

Research output: Contribution to journalArticlepeer-review

160 Scopus citations

Abstract

Skin-deep: The combination of a near-infrared fluorescent protein (iRFP) and deep-tissue photoacoustic tomography clearly demonstrates the superiority of iRFP over other genetically encoded probes. Impressive resolution (280 μm lateral and 75 μm axial) was obtained at a depth of 4mm in a live animal, and volumetric images of a tumor were produced (see image), thus allowing the spatially resolved monitoring of its development.

Original languageEnglish
Pages (from-to)1448-1451
Number of pages4
JournalAngewandte Chemie - International Edition
Volume51
Issue number6
DOIs
StatePublished - Feb 6 2012

Keywords

  • absorption
  • cancer
  • fluorescent proteins
  • imaging agents
  • photoacoustic imaging

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