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International Journal of Analytical Chemistry
Volume 2015 (2015), Article ID 513761, 5 pages
http://dx.doi.org/10.1155/2015/513761
Research Article

Ammonium Ion Exchanged Zeolite for Laser Desorption/Ionization Mass Spectrometry of Phosphorylated Peptides

1Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
2Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0379, Japan

Received 22 May 2015; Revised 27 August 2015; Accepted 27 August 2015

Academic Editor: Frantisek Foret

Copyright © 2015 Mengrui Yang and Tatsuya Fujino. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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