The Journal of Nanoparticle Research is a monthly peer-reviewed scientific journal published by Springer Science+Business Media, part of Springer-Nature (springernature.com). It focuses mainly on physical, chemical, and biological phenomena and processes in structures of sizes comparable to a few nanometers. It was established in 1999 and the editor-in-chief is Mihail C. Roco (National Science Foundation). According to the Journal Citation Reports, the journal has a 2020 impact factor of 2.253.[1]