Absolute and relative quantification and calibration for sectioning fluorescence microscopy using standardized uniform fluorescent layers and SIPchart-based correction procedures

J. M. Zwier; L. Oomen; L. Brocks; K. Jalink; G. J. Brakenhoff

doi:10.1117/12.706482

14 February 2007 Absolute and relative quantification and calibration for sectioning fluorescence microscopy using standardized uniform fluorescent layers and SIPchart-based correction procedures

J. M. Zwier, L. Oomen, L. Brocks, K. Jalink, G. J. Brakenhoff

Author Affiliations +

Proceedings Volume 6443, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIV; 64430C (2007) https://doi.org/10.1117/12.706482
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

The total or integrated fluorescence intensity of a through-focus series of a thin standardized uniform fluorescent or calibration layer is shown to be suitable for image intensity correction and calibration in sectioning microscopy. This integrated intensity can be derived from the earlier introduced SectionedImagingProperty or SIPcharts, derived from the 3D layer datasets. By correcting the 3D image of an object with the 3D image of the standardized uniform fluorescent layer obtained under identical conditions one is able to express the object fluorescence in units fluorescence of the calibration layer. With object fluorescence intensities in fluorescence layer unit's or FLU's the object image intensities becomes independent of microscope system and imaging conditions. A direct result is that the often-appreciable lateral intensity variations present in confocal microscopy are eliminated (shading correction). Of more general value is that images obtained with different objectives, magnifications or from different microscope systems can be quantitatively related to each other. The effectiveness of shading correction and relating images obtained under various microscope conditions is demonstrated on images of standard fluorocent beads. Expressing the object fluorescence in FLU units seems to be a promising approach for general quantification of sectioning imaging enabling cross-correlation of imaging results over time and between imaging systems.

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J. M. Zwier, L. Oomen, L. Brocks, K. Jalink, and G. J. Brakenhoff "Absolute and relative quantification and calibration for sectioning fluorescence microscopy using standardized uniform fluorescent layers and SIPchart-based correction procedures", Proc. SPIE 6443, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XIV, 64430C (14 February 2007); https://doi.org/10.1117/12.706482

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