TY - GEN AU - Cydzik,Marzena AU - Rudowska,Magdalena AU - Stefanowicz,Piotr AU - Szewczuk,Zbigniew TI - Derivatization of peptides as quaternary ammonium salts for sensitive detection by ESI-MS SN - 1099-1387 PY - 2011///0830 KW - Limit of Detection KW - Oligopeptides KW - chemistry KW - Piperazines KW - Protein Stability KW - Quaternary Ammonium Compounds KW - Spectrometry, Mass, Electrospray Ionization KW - Tandem Mass Spectrometry N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1002/psc.1342 ER -