Figure 8From: The carcinogenic effect of various multi-walled carbon nanotubes (MWCNTs) after intraperitoneal injection in ratsScanning electron microscopic photographs of carbon nanotubes and asbestos fibers in suspension. Photographs were taken from liquid formulations of CNT in medium according to Porter (physico-chemical characterization in pre-trials). CNT agglomerates occurred infrequently and are not visible here. A: MWCNT A (left: 10,000×, right: 30,000×). B: MWCNT B (left: 10,000×, right: 30,000×). C: MWCNT C (left: 10,000×, right: 30,000×). D: MWCNT D (left: 10,000×, right: 30,000×). E: Long amosite asbestos (left: 2,000×, right: 7,000×).Back to article page