Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
An EU team is developing an air quality monitoring hardware system for public use. After developing case studies for numerous European cities, the team designed, then built and tested sensor and communication modules, including software.
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