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Lanthanides and quantum dots as Förster resonance energy transfer agents for diagnostics and cellular imaging

  • Luminescent lanthanide labels (LLLs) and semiconductor quantum dots (QDs) are two very special classes of (at least partially) inorganic fluorophores, which provide unique properties for Förster resonance energy transfer (FRET). FRET is an energy-transfer process between an excited donor fluorophore and a ground-state acceptor fluorophore in close proximity (approximately 1–20 nm), and therefore it is extremely well suited for biosensing applications in optical spectroscopy and microscopy. Within this cogent review, we will outline the main photophysical advantages of LLLs and QDs and their special properties for FRET. We will then focus on some recent applications from the FRET biosensing literature using LLLs as donors and QDs as donors and acceptors in combination with several other fluorophores. Recent examples of combining LLLs and QDs for spectral and temporal multiplexing from single-step to multistep FRET demonstrate the versatile and powerful biosensing capabilities of thisLuminescent lanthanide labels (LLLs) and semiconductor quantum dots (QDs) are two very special classes of (at least partially) inorganic fluorophores, which provide unique properties for Förster resonance energy transfer (FRET). FRET is an energy-transfer process between an excited donor fluorophore and a ground-state acceptor fluorophore in close proximity (approximately 1–20 nm), and therefore it is extremely well suited for biosensing applications in optical spectroscopy and microscopy. Within this cogent review, we will outline the main photophysical advantages of LLLs and QDs and their special properties for FRET. We will then focus on some recent applications from the FRET biosensing literature using LLLs as donors and QDs as donors and acceptors in combination with several other fluorophores. Recent examples of combining LLLs and QDs for spectral and temporal multiplexing from single-step to multistep FRET demonstrate the versatile and powerful biosensing capabilities of this unique FRET pair. As this review is published in the Forum on Imaging and Sensing, we will also present some new results of our groups concerning LLL-based time-gated cellular imaging with optically trifunctional antibodies and LLL-to-QD FRET-based homogeneous sandwich immunoassays for the detection of carcinoembryonic antigen.zeige mehrzeige weniger

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Metadaten
Autor*innen:Daniel GeißlerORCiD, S. Linden, K. Liermann, Karl David WegnerORCiD, L.J. Charbonnière, N. Hildebrandt
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Inorganic Chemistry
Jahr der Erstveröffentlichung:2014
Verlag:American Chemical Society
Verlagsort:Washington, DC
Jahrgang/Band:53
Ausgabe/Heft:4
Erste Seite:1824
Letzte Seite:1838
DOI:10.1021/ic4017883
ISSN:0020-1669
ISSN:1520-510X
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:18.08.2014
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