Fig. 1From: In vivo biodistribution and physiologically based pharmacokinetic modeling of inhaled fresh and aged cerium oxide nanoparticles in ratsSchematic representation and photo of the experimental apparatus. The dimensions are not to scale. “lpm” stands for liters per minute. “R” notations beside tubing connections indicate radius and the associated numbers are in meters. The “F” and “R” notations beside the carousel represent filter pack and rat positions, respectivelyBack to article page