Title: Autoradiography Explanation Investigator: Max Klotzsche Date: 07.01.2025 Location: Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany Experiment: Autoradiography with 152Eu(III)-afflicted A. strigosa plants Methods: Autoradiography, Image processing Instruments: Multipurpose storage phosphor screen (20x40 cm2), Bio-Rad Pharos FX biomolecular imager and Quantity One (software), ImageJ Files: Folder "Raw_Autoradiograms" -contains Quantity One internal file format .1sc of autoradiograms -contains autoradiograms in .tif file format Folder "Calibrated_Autoradiograms_Root" -contains root autoradiograms which were calibrated using Image J in three different representations: black and white, 16 colors and so-called 'fire' -each representation is saves as .tif and .png Folder "Calibrated_Autoradiograms_Shoot" -contains respective shoot autoradiograms Excel file "AR_Calibration_Root"/"AR_Calibration_Shoot" -was used to correlate the integrated density of the gray values of the internal calibration standards with known 152Eu(III) activities and hence its amount of substance -a linear regression curve was then used to calibrate the autoradiogram in ImageJ