Magnetic-Field-Enhanced Morphology of Tin Oxide Nanomaterials for Gas Sensing Applications

Figure 11

Results obtained when the gas sensing device that includes the SnO₂ nanoparticles electrode was used to detect headspace gas: (a) fresh meat, (b) 24 h spoiled meat, and (c) 36 h spoiled meat.

(a)

(b)

(c)