Air-liquid interface exposure to aerosols of poorly soluble nanomaterials induces different biological activation levels compared to exposure to suspensions

Table 3 Characterization of suspensions and deposition of NM on cells

	Hydrodynamic diameter^a, Z-average (nm) (n = 6)	Effective density^b (g/cm³) (n = 3)	Deposited fraction after 24 h in plates^c	Deposited fraction after 3 h in inserts^c
NM105	381.1	1.4	28.5 %	8.6 %
NM101	660.9	1.586	100.0 %	20.0 %
NM100	353.0	1.938	70.0 %	13.6 %
NM212	240.7	1.9701	37.8 %	11.0 %

^aDLS measurement
^bMeasured after centrifugation, following the VCM developed by Deloid et al.[56]
^cEstimated using the ISDD model

ISSN: 1743-8977