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Journal of Nanomaterials
Volume 2012, Article ID 593471, 8 pages
http://dx.doi.org/10.1155/2012/593471
Research Article

Quantitative Analysis and Efficient Surface Modification of Silica Nanoparticles

Department of Chemistry, Seoul National University, Seoul 151-747, Republic of Korea

Received 31 January 2012; Accepted 8 April 2012

Academic Editor: Hongchen Chen Gu

Copyright © 2012 Hak-Sung Jung et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

Electronic Supplementary Information (ESI) available: 1NMR and ESI-MS spectra of APTES; photograph of SiO2-DETAS(RITC) nanoparticles prepared from various amounts of DETAS ligand; the calibration curve of Rhodmaine B isothiocyanate (RITC); schematic illustration of the synthesis of SiO2-EDA in a way analogous to dendrimer synthesis; acid-base back-titration results of surface modified silica nanoparticles.

  1. Supplementary Figures