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Fluorescence lifetime multiplex flow cytometry system (FliMFlow-MultiLife)

  • Flow cytometry is a common tool in biological research and clinical analyses. In current developments, there are two different tendencies of interest. Firstly, we face the need for analysis methods that are capable of addressing more and more involved analysis tasks, i.e., an increasing number of fluorescent codes and markers is required. Secondly, low-cost diagnostic tests, e.g. in disease recognition, are needed in routine application. Lifetime encoding could be an attractive alternative to commonly applied color (spectral) encoding. By combining spectral and lifetime multiplexing, the number of simultaneously detectable codes might be increased by adding lifetime codes to the parameter space. Otherwise, instrumentation costs could be lowered using only lifetime encoding and thus avoiding costly excitation light sources and detectors. Here, we report on our recent progress in time-resolved flow cytometry using dye-stained lifetime-encoded polymer microparticles as a modelFlow cytometry is a common tool in biological research and clinical analyses. In current developments, there are two different tendencies of interest. Firstly, we face the need for analysis methods that are capable of addressing more and more involved analysis tasks, i.e., an increasing number of fluorescent codes and markers is required. Secondly, low-cost diagnostic tests, e.g. in disease recognition, are needed in routine application. Lifetime encoding could be an attractive alternative to commonly applied color (spectral) encoding. By combining spectral and lifetime multiplexing, the number of simultaneously detectable codes might be increased by adding lifetime codes to the parameter space. Otherwise, instrumentation costs could be lowered using only lifetime encoding and thus avoiding costly excitation light sources and detectors. Here, we report on our recent progress in time-resolved flow cytometry using dye-stained lifetime-encoded polymer microparticles as a model system. We could show that the discrimination of two lifetime codes is feasible. Moreover, the simultaneous detection of a spectrally different ligand fluorescence signal excited at the same wavelength as the lifetime code fluorescence could be demonstrated.zeige mehrzeige weniger

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Metadaten
Autor*innen:Daniel Kage
Koautor*innen:Katrin Hoffmann, M. Wittkamp, J. Ameskamp, W. Göhde, T. Thiele, U. Schedler, Ute Resch-Genger
Dokumenttyp:Posterpräsentation
Veröffentlichungsform:Präsentation
Sprache:Englisch
Jahr der Erstveröffentlichung:2016
DDC-Klassifikation:Naturwissenschaften und Mathematik / Chemie / Analytische Chemie
Freie Schlagwörter:Flow cytometry; Fluorescence; Life sciences; Lifetime encoding; Polymer particles
Veranstaltung:Photonik in den Lebenswissenschaften
Veranstaltungsort:Berlin, Germany
Beginndatum der Veranstaltung:09.11.2016
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:15.11.2016
Referierte Publikation:Nein
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