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January 2021

This image depicts a dust sample on an air filter. This sample was taken by a PM 2.5 air sampler with surprising intricacy of the filter membrane. The image was viewed on the Tescan Vega at a 4.08kx magnification and field of view at 67.8 microns. The image was courtesy of Dr. Stanislav Vitha (MIC) and the sample was courtesy of Robert Credeur (Dr. Sergio Capareda, BAEN).