Bioconjugated silicon quantum dots from one-step green synthesis

Romuald Intartaglia*, Annette Barchanski, Komal Bagga, Alessandro Genovese, Gobind Das, Philipp Wagener, Enzo Di Fabrizio, Alberto Diaspro, Fernando Brandi, Stephan Barcikowski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)1271-1274
Number of pages4
Issue number4
StatePublished - Feb 21 2012
Externally publishedYes

ASJC Scopus subject areas

  • General Materials Science


Dive into the research topics of 'Bioconjugated silicon quantum dots from one-step green synthesis'. Together they form a unique fingerprint.

Cite this