Anisotropic functionalization of upconversion nanoparticles

Ren, W, Wen, S, Abbas, S, Su, Q, Lin, G, Ju, L, Ford, M, Ghodke, H, van Oijen, A and Jin, D 2018, 'Anisotropic functionalization of upconversion nanoparticles', Chemical Science, vol. 9, no. 18, pp. 4352-4358.

Document type: Journal Article
Collection: Journal Articles

Title Anisotropic functionalization of upconversion nanoparticles
Author(s) Ren, W
Wen, S
Abbas, S
Su, Q
Lin, G
Ju, L
Ford, M
Ghodke, H
van Oijen, A
Jin, D
Year 2018
Journal name Chemical Science
Volume number 9
Issue number 18
Start page 4352
End page 4358
Total pages 7
Publisher Royal Society of Chemistry
Abstract Despite significant advances toward accurate tuning of the size and shape of colloidal nanoparticles, the precise control of the surface chemistry thereof remains a grand challenge. It is desirable to conjugate functional bio-molecules onto the selected facets of nanoparticles owing to the versatile capabilities rendered by the molecules. We report here facet-selective conjugation of DNA molecules onto upconversion nanoparticles via ligand competition reaction. Different binding strengths of phosphodiester bonds and phosphate groups on DNA and the surfactant molecules allow one to create heterogeneous bio-chemistry surface for upconversion nanoparticles. The tailored surface properties lead to the formation of distinct self-assembly structures. Our findings provide insight into the interactions between biomolecules and nanoparticles, unveiling the potential of using nanoparticles as fundamental building blocks for creating self-assembled nano-architectures.
Subject Electronic and Magnetic Properties of Condensed Matter; Superconductivity
Radiation and Matter
Quantum Chemistry
DOI - identifier 10.1039/c8sc01023d
Copyright notice © 2018 The Royal Society of Chemistry.
ISSN 2041-6520
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