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(a) Schematic representation of bimetallic Janus particles at the hexane–water interface (gold: gold part with surfactant; gray: iron oxide part). (b) Interfacial tension vs time as measured by pendant drop tensiometry (NP: homogeneous nanoparticles; JP: Janus particles). The gold domains were functionalized using 1-dodecanethiol (DDT) or 1-octadecanethiol (ODT). Adapted with permission from [32]. Copyright 2006 American Chemical Society.
