Publication Date

Spring 2016

Document Type

Project Summary

Degree Name

Master of Science


Analytical Chemistry

First Advisor

Joong-Won Shin, Ph.D.

Second Advisor

K. G. Sanjaya Ranmohotti, Ph.D.

Third Advisor

Walter Henne, Jr., Ph.D.


The complex of phosphoamino acid with metal ions was prepared by mixing both solutions and analyzed using ESI MS/MS technique. In this study, O-phospho-L-serine and O-phospho-L-tyrosine were used as phosphoamino acids and single charged metal ions such as Li+, Na+, K+, Rb+, Cs+ and Ag+ were used to study the dissociation patterns when combined with phosphoamino acid. The complexes were successfully fragmented in mass spectra using ESI MS/MS technique and the fragmentation products were studied and the dissociation patterns were proposed.

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