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Fluorescent Silica Nanoparticles

Mader, Heike Sabine ; Li, Xiaohua ; Saleh, Sayed ; Link, Martin ; Kele, Péter ; Wolfbeis, Otto S.
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Date of publication of this fulltext: 18 Mar 2011 07:29


Abstract

We report on the preparation of fluorescent silica nanoparticles (NPs). They have been prepared by (a) modification of the NPs by amino groups and subsequent introduction of amino-reactive fluorophores of various color and (b) by modification of the NPs by either azido groups or alkyne groups and subsequent conjugation to fluorophores by so-called click chemistry, which is a novel approach toward modifying silica NPs. The new NPs were characterized in terms of size and spectral properties.


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