FRAP Analysis

This plugin is for the analysis of FRAP experiments.


Philippe Carl (phcarl at


  • The plugin lets you choose the starting slice corresponding to the slice where the cell has been hitted and defines automatically a ROI corresponding to the zone hitted by the laser and plots the corresponding intensity profile.
  • Given that the plugin is looking for the barycenter of the hit spot, it can only be applied for FRAP experiments with a single spot.
  • It also allows to determine the intensity of the rest of the cell in order to normalize the FRAP measurements.


Download to the ImageJ plugins folder, or subfolder, and compile and run it using Plugins/Compile and Run. Restart ImageJ and there will be a new FRAP_Analysis command in the Plugins menu or submenu.

Download Mind the uppercase issue: rename downloaded file to


2009/04/13: First version

plugin/analysis/frap_analysis/start.txt · Last modified: 2010/01/26 11:18 (external edit)
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