Journal
NANOSCALE
Volume 4, Issue 4, Pages 1271-1274Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr11763k
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Funding
- German Research Foundation
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Biofunctionalized silicon quantum dots were prepared through a one step strategy avoiding the use of chemical precursors. UV-Vis spectroscopy, Raman spectroscopy and HAADF-STEM prove oligonucleotide conjugation to the surface of silicon nanoparticle with an average size of 4 nm. The nanoparticle size results from the size-quenching effect during in situ conjugation. Photoemissive properties, conjugation efficiency and stability of these pure colloids were studied and demonstrate the bio-application potential, e. g. for nucleic acid vector delivery with semiconducting, biocompatible nanoparticles.
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