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A nanoparticle or ultrafine particle is usually defined as a particle of matter between 1 and 100 nanometres (nm) in diameter.[1][2]

References[change | change source]

  1. U.S. Environmental Protection Agency (): "Module 3: Characteristics of Particles Particle Size Categories". From the EPA Website.
  2. Vert, Michel; Doi, Yoshiharu; Hellwich, Karl-Heinz; Hess, Michael; Hodge, Philip; Kubisa, Przemyslaw; Rinaudo, Marguerite; Schué, François (2012-01-11). "Terminology for biorelated polymers and applications (IUPAC Recommendations 2012)". Pure and Applied Chemistry. 84 (2): 377–410. doi:10.1351/PAC-REC-10-12-04. ISSN 1365-3075. S2CID 98107080.