FT IR Spectroscopy Why is it advantageous to record many FID signals from the same sample and then add them together? To increase sensitivity None of these To ensure that all target nuclei in the sample have been excited To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity None of these To ensure that all target nuclei in the sample have been excited To remove inaccuracies caused by fluctuations in the applied magnetic field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Molecular mass Isoelectric point Folding Solubility Molecular mass Isoelectric point Folding Solubility ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? That the detector rotates around the sample If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space None of these That the sample is spun rapidly in the applied field That the detector rotates around the sample If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space None of these That the sample is spun rapidly in the applied field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Negative staining is a technique used in gel electrophoresis electron microscopy light microscopy immunocytochemistry gel electrophoresis electron microscopy light microscopy immunocytochemistry ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In scanning electron microscopy a specimen is fixed and then coated with transition metal a specimen is fixed and then coated with thin layer of a heavy metal a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with transition metal a specimen is fixed and then coated with thin layer of a heavy metal a specimen is not fixed and then coated with thin layer of a heavy metal None of these ANSWER DOWNLOAD EXAMIANS APP
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