Figure 1From: Coating carbon nanotubes with a polystyrene-based polymer protects against pulmonary toxicity SEM observations. Representative scanning electron microscopy (SEM) image of uncoated multi-walled carbon nanotubes (NT1) and of the same nanotubes coated with carboxylic polyacid polymer (NT2) or polystyrene polybutadiene polymethacrylate polymer (NT3).Back to article page