Table 1.

Fluoresbrite^® nanoparticle sizes before and after transport across a BeWo cell monolayer

Time	Sample	Mean size (nm)	Peak 1 (nm)	Peak 1%	Peak 2 (nm)	Peak 2%
0 h	Blank transport medium	19	13	93	126	5
	50 nm: 0.5 mg/mL	56	52	100
	100 nm: 0.5 mg/mL	97	104	100
24 h	50 nm apical	57	53	100
	100 nm apical	98	96	100
	50 nm basal	57	46	95	346	4
	100 nm basal	79	94	82	12	13