mass spec

Which of the following is a soft ionization technique?

• MALDI

• EI

• ESI

• MALDI and ESI

is a method of studying and measuring a specific spectrum. Often these techniques can be destructive to our samples after analysis.

Which of the following mass spectrometry instruments do we use for analyzing 3D structures in proteins?

• MALDI-TOF

• Hydrogen-deuterium exchange MS

• Conventional Mass Spectrometry

• ESI-TOF

Quadruple is used for tuning on a single ion for extended periods of time.

• True

• False

What is the base peak for a single chlorine molecule?

• 70 m/z

• 35 m/z

• 37 m/z

• 72 m/z

Peptide mapping is the principal technique for confirming a protein’s primary structure (amino acid sequence) without referring back to a database.

• True

• False

In Latin it means "anew" or "overagain"