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Upconverting luminescent nanoparticles for use in bioconjugation and bioimaging

Authors
Publisher
Elsevier
Publication Date
Keywords
  • 540 Chemie
Disciplines
  • Biology
  • Chemistry
  • Physics

Abstract

Upconverting luminescent nanoparticles (UCNPs) display the unique property of emitting visible light following photoexcitation with near-infrared laser light. This results in features such as virtually zero autofluorescence of (biological) matter and easy separation of the emission peaks from stray light. Other features include rather narrow emission bands, very high chemical stability, the lack of bleaching, and the absence of blinking effects. This article reviews the work performed in the past few years with UCNPs in terms of surface modifications, bioconjugation, and optical (cellular) imaging.

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