Electrospray Ionization Mass Spectrometry: A Technique to Access the Information beyond the Molecular Weight of the Analyte

<table>The fragmentation mechanism of the oligonucleotide in two different ways. The mechanism in the upper panel shows the necessity of a charge proximate to the cleavage site. The mechanism in the lower panel does not require the charge proximate.</table>

International Journal of Analytical Chemistry

sch5

Scheme 5

Scheme 5: Electrospray Ionization Mass Spectrometry: A Technique to Access the Information beyond the Molecular Weight of the Analyte 