FT IR Spectroscopy
Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis?

Isoelectric point
Folding
Solubility
Molecular mass

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FT IR Spectroscopy
What is meant by rotating frame of reference?

If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space
That the detector rotates around the sample
That the sample is spun rapidly in the applied field
None of these

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