Use of taylor-aris dispersion for measurement of a solute diffusion coefficient in thin capillaries.

@article{Bello1994UseOT,
  title={Use of taylor-aris dispersion for measurement of a solute diffusion coefficient in thin capillaries.},
  author={Marlene J. Su{\'a}rez Bello and Riccardo Rezzonico and Pier Giorgio Righetti},
  journal={Science},
  year={1994},
  volume={266 5186},
  pages={773-6}
}
A method for the fast measurement of the diffusion coefficients of both small and large molecules in thin capillaries is reported. The method relies on Taylor-Aris dispersion theory and uses standard instrumentation for capillary zone electrophoresis. With this equipment, which consists of thin capillaries (50 to 100 micrometers in inner diameter), an injection system, detector ports, and computer data acquisition, a sample plug is pumped through the capillary at known velocity and the peak… CONTINUE READING
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