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Proceedings Paper

Fluorescence lifetime and polarization screening of cell membranes
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Paper Abstract

A novel setup for fluorescence measurements of surfaces of biological samples, in particular the plasma membrane of living cells, is described. The method is based on splitting of a laser beam and multiple total internal reflections (TIR) within the bottom of a microtiter plate, such that up to 96 individual samples are illuminated simultaneously by an evanescent electromagnetic field. In general, two different screening procedures (1) High Throughput Screening (HTS) and (2) High Content Screening (HCS) are distinguished, where in the first case a rapid measurement of large sample numbers, and in the second case a high information content from a single sample is desired. In particular, a HCS system for the parameters fluorescence lifetime (Fluorescence Lifetime Screening, FLiS) and fluorescence anisotropy (Fluorescence Lifetime Polarization Screening, FLiPS) has been established and integrated into an existing HTS-system.

Paper Details

Date Published: 14 April 2006
PDF: 8 pages
Proc. SPIE 6191, Biophotonics and New Therapy Frontiers, 61910V (14 April 2006); doi: 10.1117/12.661930
Show Author Affiliations
Thomas Bruns, Hochschule Aalen (Germany)
Wolfgang S. L. Strauss, Univ. Ulm (Germany)
Herbert Schneckenburger, Hochschule Aalen (Germany)
Univ. Ulm (Germany)


Published in SPIE Proceedings Vol. 6191:
Biophotonics and New Therapy Frontiers
Romualda Grzymala; Olivier Haeberle, Editor(s)

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