Water dispersible upconverting nanoparticles: effects of surface modification on their luminescence and colloidal stability.
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O. Wolfbeis | T. Hirsch | U. Resch‐Genger | W. Parak | C. Carrillo-Carrión | C. Würth | V. Muhr | Stefan Wilhelm | Martin Kaiser | Josef J. Heiland | C. Carrillo‐Carrión
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