Fig. 1From: Selective memory and behavioral alterations after ambient ultrafine particulate matter exposure in aged 3xTgAD Alzheimer’s disease miceExposure Characteristics: a The average and minimum and maximum particle number concentration (×104 particles/cm3) of HUCAPS aerosol per day of exposure. The dotted line denotes the mean number concentration of all exposure days. b Gravimetrically determined mass concentration and count median diameter (CMD) (nm) ± standard deviation (SD) per day of exposureBack to article page