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Separation and detection of monodisperse polystyrene nanospheres by capillary electrophoresis

  • Peng Liu
  • , Bing Yu*
  • , Hai Lin Cong
  • , Yu Rong Ma
  • , Kai Feng Wang
  • *Corresponding author for this work
  • Qingdao University
  • Peking University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Monodisperse polystyrene nanospheres with different diameters and functional groups were synthesized by soap-free emulsion polymerization. Capillary electrophoresis (CE) was applied to the separation and detection of the nanospheres. Baseline separation was achieved for carboxylic and sulfonic functionalized colloids due to their difference in diameter and surface charge. The electrophoretic mobility of the sulfonic functionalized colloids decreased with increasing of particle size, and three sulfonic functionalized nanosphere samples with diameters of 190, 250 and 330 nm were separated successfully by CE.

Original languageEnglish
Title of host publicationAdvanced in Nanoscience and Technology
Pages51-55
Number of pages5
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event10th China International Nanoscience and Technology Symposium and the Nano-Products Exposition - Hangzhou, China
Duration: 26 Oct 201130 Oct 2011

Publication series

NameAdvanced Materials Research
Volume465
ISSN (Print)1022-6680

Conference

Conference10th China International Nanoscience and Technology Symposium and the Nano-Products Exposition
Country/TerritoryChina
CityHangzhou
Period26/10/1130/10/11

Keywords

  • Capillary electrophoresis
  • Polystyrene nanospheres
  • Separation

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