Two-photon excitation in fluorescence polarization receptor-ligand binding assay

M E Tirri, R J Huttunen, J Toivonen, Pirkko Härkönen, J T Soini, P E Hanninen

Research output: Contribution to journalArticlepeer-review

Abstract

Fluorescence polarization is one of the most commonly used homogeneous assay principles in drug discovery for screening of potential lead compounds. In this article, the fluorescence polarization technique is combined with 2-photon excitation of fluorescence. Theoretically, the use of 2-photon excitation of fluorescence increases the volumetric sensitivity and polarization contrast of fluorescence polarization assays. The work in this report demonstrates these predictions for an estrogen receptor ligand binding assay.
Original languageEnglish
Pages (from-to)314-319
JournalJournal of Biomolecular Screening
Volume10
Issue number4
DOIs
Publication statusPublished - 2005

Bibliographical note

Department affilation moved from v1000588 (Tumour Biology, Malmö) to v1000562 (Department of Translational Medicine) on 2016-01-18 14:39:32.

Subject classification (UKÄ)

  • Cancer and Oncology

Free keywords

  • two-photon excitation
  • fluorescence polarization
  • high-throughput screening
  • estrogen receptor
  • drug discovery

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