Fig. 2
From: Is aggregated synthetic amorphous silica toxicologically relevant?

Representative TEM micrographs of freshly prepared SAS stock suspensions. DE-AGGR (a), AGGR (b), SuperN (c) and PREC (d)
From: Is aggregated synthetic amorphous silica toxicologically relevant?
Representative TEM micrographs of freshly prepared SAS stock suspensions. DE-AGGR (a), AGGR (b), SuperN (c) and PREC (d)