Figure 2From: Fine particulate matter in indoor cultural heritage: a literature reviewCombustion-derived particles. a) Graphic representation of a typical diesel particle containing all its components: EC substrate, OC coating, metal traces and nucleation particles, taken from [41]. b) TEM image of a diesel exhaust particle with a magnification of 230000x, taken from [38]. c) A candle soot particulate displaying a morphology similar to that of DPM [46].Back to article page