Fig. 1From: Difference in carcinogenicities of two different vapor grown carbon fibers with different physicochemical characteristics induced by intratracheal instillation in ratsRepresentative scanning electron microscopic images of MWNT-7 (A) and VGCF™-H (B) fibers in the prepared solution. VGCF™-H fibers were shorter and thicker than MWNT-7 fibers. The scale bar indicates 1 μmBack to article page