Separation and Detection of Monodisperse Polystyrene Nanospheres by Capillary Electrophoresis

Peng Liu; Bing Yu; Hai Lin Cong; Yu Rong Ma; Kai Feng Wang

doi:10.4028/www.scientific.net/AMR.465.51

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 465Separation and Detection of Monodisperse...

Separation and Detection of Monodisperse Polystyrene Nanospheres by Capillary Electrophoresis

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.

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Periodical:

Advanced Materials Research (Volume 465)

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51-55

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https://doi.org/10.4028/www.scientific.net/AMR.465.51

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Online since:

February 2012

Authors:

Peng Liu, Bing Yu, Hai Lin Cong, Yu Rong Ma, Kai Feng Wang

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Capillary Electrophoresis, Polystyrene Nanospheres, Separation

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