Wiley, Angewandte Chemie International Edition, 51(50), p. 12299-12303, 2011
Wiley, Angewandte Chemie, 51(123), p. 12507-12511, 2011
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Ultrasmall but multifunctional: Rigid imaging particles that are smaller than 5 nm in size can be obtained in a top-down process starting from a core-shell structure (core=gadolinium oxide; shell=polysiloxane). They represent the first multifunctional silica-based particles that are sufficiently small to escape hepatic clearance and enable animal imaging by four complementary techniques.