Contact: Claus Habfast
European Synchrotron Radiation Facility
Caption: Highly sensitive spectral analysis techniques at the ESRF enabled detecting otherwise undetectable nanoparticles of cerium dioxide in the soya beans. This image shows the X-ray fluorescence intensity in an area of about 0.5 by 0.5 mm2. The nanoparticle is indicated by a red pixel (high fluorescence) in the upper left quarter.
Credit: ESRF/H. Castillo-Michel
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Related news release: X-rays reveal uptake of nanoparticles by soya bean crops