Abstract
Fluorescence image analysis provides quantitative data on fluorescence in situ hybridiza-tion signals (FISH), immunofluorescence labelings, Green Fluorescent Protein (GFP) expression and microarrays. It is a valuable tool for decision making in the fields of biology and medicine. The aim of this study was to evaluate the reproducibility of fluorescence intensity measurements and standardization when acquisitions are performed under various but well defined conditions. Fluorescent intensity of standard beads (Inspeck series, Molecular Probes) was repeatedly measured using an image analyzer and automated procedures. Images were acquired using several integration times and neutral filter sets. A standardization procedure was used for expressing the data in a same unit: data were multiplied by the light attenuation factor and were divided by the CCD integration times. Results show that 1) standardiza-tion is possible 2) accurate and reliable fluorescence measurements can be obtained and 3) specimens showing large differences in fluorescence intensity can be objectively compared. Moreover fluorescent test slides including fluorochrome solutions and altuglas slides were tested for shading correction and as overall test systems.
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Souchier, C., Brisson, C., Batteux, B. et al. Data reproducibility in fluorescence image analysis. Methods Cell Sci 25, 195–200 (2004). https://doi.org/10.1007/s11022-004-2383-4
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DOI: https://doi.org/10.1007/s11022-004-2383-4