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Fingerprint multiplicity in MALDI-TOF mass spectrometry of copolymers
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SYSNO ASEP 0428176 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Fingerprint multiplicity in MALDI-TOF mass spectrometry of copolymers Author(s) Horský, Jiří (UMCH-V) RID, ORCID
Walterová, Zuzana (UMCH-V)Source Title Macromolecular Symposia. - Weinheim : Wiley, 2014 - ISSN 1022-1360 Pages roč. 339, č. 1, s. 9-16 Number of pages 8 s. Publication form Print - P Action European Symposium on Polymer Spectroscopy /19./ - ESOPS19. Prague Meeting on Macromolecules /77./ Event date 07.07.2013-11.07.2013 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country DE - Germany Keywords composition ; copolymers ; distribution Subject RIV CD - Macromolecular Chemistry Institutional support UMCH-V - RVO:61389013 UT WOS 000336480500001 EID SCOPUS 84900870430 DOI 10.1002/masy.201300122 Annotation Due to the limited resolution of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, the assignment of binary-copolymer composition to the peak molecular weight observed in the spectrum is not unique. Consequently, several clusters, called fingerprints, appear on calculated 2-D distribution, but usually only one of them corresponds to the sample composition. The ambiguity in the assignment of the composition to peaks in mass spectra of binary copolymers was explained in the framework of number theory and several criteria for identification of the correct fingerprint were proposed. The results were applied in analysis of poly(propylene glycol)-b-poly(ethylene glycol)-block-poly(propylene glycol) triblock copolymer Reverse Pluronic 17R4. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2015
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