Interfacial captured nanoparticles: Energetically and kinetically stable Fe3O4@MEO2MA90-co-OEGMA10 nanoparticle (NP) layers (see picture) are formed at the air/water interface. Due to the unique hydrophilic–hydrophobic properties of the copolymer, the surface-active NPs are readily adsorbed at that interface, where they do not interchange with the bulk material but remain trapped. Above the critical surface coverage the NPs are dispersed in the aqueous subphase without precipitation.
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Stefaniu et al. (2010) studied this question.
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