Fig. 1From: Crawling-induced floor dust resuspension affects the microbiota of the infant breathing zoneThe simplified mechanical crawling infant robot with IOM sampler mounted to the robot’s head and optical particle sizer (OPS) on mobile trolley (a), experimental setup of the chamber experiments (b), and example sequence of particle mass concentrations monitored with an OPS in the infant breathing zone and in the bulk air during two crawling events (c)Back to article page