Fig. 6From: Effects of silver nanoparticles and ions on a co-culture model for the gastrointestinal epitheliumPrincipal component analysis of differentially expressed proteins. Caco-2/TC7:HT29-MTX cells in 90:10 co-culture were exposed to 1Â mg/L of Ag 20Â nm, Ag 200Â nm or AgNO3 for 24Â hBack to article page