Fig. 12.3. Strategies for QD surface
modification and bioconjugation: (a) coating
quantum dots with a silica shell, (b) direct
adsorption of bifunctional linkers, (c) direct
adsorption of thiolated biomolecules, (d)
conjugation via electrostatic interactions, (e)
stabilization and conjugation using organic
dendrimers, (f ) micellular encapsulation, and
(g) polymer coating.
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