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Pengxiang Jia, Yongkuan Gong, Shengqin Wang and Jiang Zhao Advantage of Fluorescence Correlation Spectroscopy for the Study of Polyelectrolytes Chinese Journal of Chemistry 30

Version of Record online: 25 SEP 2012 | DOI: 10.1002/cjoc.201200596

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The high sensitivity of fluorescence correlation spectroscopy (FCS) enables measurements of hydrodynamic radius of single chain of polyelectrolyte at low salt condition, which has been a challenge for conventional dynamic light scattering (DLS). In this study, a direct comparison was made between these two methods on a modeled polyelectrolyte system, poly 2-vinylpyridine, and the results demonstrate the great advantage of FCS in the study of polyelectrolytes.

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