Two-photon dyes and nucleic acid detection

Frédéric Bolze*, Jacques Lux, Eduardo Peña, Manfred Heinlein, Ricky M S WONG, Jean François Nicoud

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Two-photon excited microscopy (TPEM) has evolved in the past few years as an important tool for revealing living processes in cells and organisms. Since fluorophores used in epi-fluorescence or confocal microscopy have limited sensitivity in TPEM in biological media, chemists and biologists attempt to design new fluorochromes for this application. Here the engineering of dyes for the specific detection of DNA and RNA molecules is a great challenge. We describe here the conception, preparation, and characterization of new two-photon-sensitive fluorochromes that are derived from cyanine and malachite green dyes and are specific for the detection of DNA and RNA respectively.

Original languageEnglish
Pages (from-to)29-39
Number of pages11
JournalNonlinear Optics Quantum Optics
Volume45
Issue number1-2
Publication statusPublished - Dec 2012

Scopus Subject Areas

  • Statistical and Nonlinear Physics
  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

User-Defined Keywords

  • Aptamer
  • DNA detection
  • Nucleic acid
  • RNA detection
  • Two-photon absorption
  • Two-photon microscopy

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