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Analysis of Synthetic Polymers by MALDI-TOF-MS
trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile (DCTB) is a non-protic matrix for MALDI-TOF-MS. The application to the analysis of fullerene derivatives was first reported by Luftmann et al.1) Then it was used as the matrix for MALDI-TOF-MS analysis of synthetic polymers. For example, Gerbaux et al. have gotten a positive result in the measurement of the average number molecular weight of polythiophene by using DCTB.2) Brandt et al. have reported the model-optimization concerning the mixing ratio of polymer / matrix / cationization reagent. Therefore, it is expected to be applied to the analyses of various synthetic polymers.3,4)
References
- 1)L. Ulmer, J. Mattay, H. G. Torres-Garcia, H. Luftmann, Eur. J. Mass Spectrom. 2000, 6, 49.
- 2)J. D. Winter, G. Deshayes, F. Boon, O. Coulembier, P. Dubois, P. Gerbaux, J. Mass Spectrom. 2011, 46, 237.
- 3)H. Brandt, T. Ehmann, M. Otto, J. Am. Soc. Mass Spectrom. 2010, 21, 1870.
- 4)H. Brandt, T. Ehmann, M. Otto, Anal. Chem. 2010, 82, 8169.