Characterization of Nanoparticles by Capillary Electrophoresis

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Authors
  1. Tang, T.
  2. Lee, W.E.
  3. Jemere, A.B.
  4. Veres, T.
  5. Cameron, N.S.
Corporate Authors
Defence R&D Canada - Suffield, Ralston ALTA (CAN)
Abstract
The report describes the use of capillary electrophoresis on gold, polymer and iron oxide nanoparticles. The analyte species were detected by UV/Vis or laser-induced fluorescence (LIF) spectroscopy. For analytes that possessed neither UV/vis absorbance nor LIF, indirect methods of detection were employed whereby a signal-generating molecular species was added to the running buffer. Nanoparticles from a variety of commercial sources and from custom syntheses were studied. The work presents calculations and determinations of physico-chemical characteristics of Nanoparticles such as electrophoretic mobility, size distribution, and charge/size ratio. It is also the first report of capillary electrophoresis of nanoparticles using indirect detection. The report demonstrates that capillary electrophoresis is a valuable tool in nanoparticle research.

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Keywords
capillary electrophoresis;nanoparticles
Report Number
DRDC-SUFFIELD-TR-2008-216 — Technical Report
Date of publication
01 Dec 2008
Number of Pages
32
DSTKIM No
CA044606
CANDIS No
804927
Format(s):
Electronic Document(PDF)

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