A sample of a protein is analyzed by CE using a neutral-coated capillary with a total length of 25.0 cm and a distance to the detector of 22.0 cm. Using an applied voltage of 20.0 kV, the protein was detected at a migration time of 16.2 min. The diffusion coefficient for the protein is 2.4 x 10-7 cm²/s. (a) Calculate the apparent electrophoretic mobility of the protein. (b) Calculate the expected number of theoretical plates for the analysis.

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Chapter1: Biochemistry: An Evolving Science
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A sample of a protein is analyzed by CE using a neutral-coated capillary
with a total length of 25.0 cm and a distance to the detector of 22.0 cm.
Using an applied voltage of 20.0 kV, the protein was detected at a
migration time of 16.2 min. The diffusion coefficient for the protein is
2.4 x 10-7 cm?/s.
(a) Calculate the apparent electrophoretic mobility of the protein.
(b) Calculate the expected number of theoretical plates for the analysis.
Transcribed Image Text:A sample of a protein is analyzed by CE using a neutral-coated capillary with a total length of 25.0 cm and a distance to the detector of 22.0 cm. Using an applied voltage of 20.0 kV, the protein was detected at a migration time of 16.2 min. The diffusion coefficient for the protein is 2.4 x 10-7 cm?/s. (a) Calculate the apparent electrophoretic mobility of the protein. (b) Calculate the expected number of theoretical plates for the analysis.
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