FT IR Spectroscopy
In immunofluroscence microscopy, fluroscent compounds are attached to

an antigen specific for the subcellular structure
bound antibody specific for the subcellular structure
none of these
an antibody specific for the subcellular structure

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FT IR Spectroscopy
Why is it advantageous to record many FID signals from the same sample and then add them together?

None of these
To ensure that all target nuclei in the sample have been excited
To increase sensitivity
To remove inaccuracies caused by fluctuations in the applied magnetic field

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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 sample is spun rapidly in the applied field
That the detector rotates around the sample
None of these

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