Size-Controlled Water-Soluble Ag Nanoparticles
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DepartmentCiencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
SourceEuropean Journal of Inorganic Chemistry (2007, n. 30, p. 4823-4826)
Ag nanoparticles of two different sizes (1 and 4 nm) were prepared within an apoferritin cavity by using an Ag+-loaded apoferritin as a nanoconfined environment for their construction. The initial amount of Ag' ions injected in the apoferritin cavity dictates the size of the final Ag particles. The protein shell prevents bulk aggregation of the metal particles, which renders them water soluble and extremely stable.