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. 2014 Apr 10;9(4):e94336. doi: 10.1371/journal.pone.0094336

Figure 2. Characterisation of ultrafine carbon black (UfCB).

Figure 2

A: Transmission electron microscopy images of UfCB particles in the instillation medium. The yellow numerical value means minor axis - major axis of the secondary UfCB particles. B: Dynamic light scattering data of UfCB in the instillation medium.