Fig. 2From: Underestimated health risks: polystyrene micro- and nanoplastics jointly induce intestinal barrier dysfunction by ROS-mediated epithelial cell apoptosisCharacterization of the NF-PS50, NF-PS500 and NF-PS5000. Representative SEM images of A) PS50, B) PS500, C) PS5000, D) mixture of PS50 and PS500, E) mixture of PS500 and PS5000 and F) mixture of PS50 and PS5000. NF, non-fluorescenceBack to article page