Abstract
The post-translation chemical modifications (PTM) of neuropeptides were discussed. The study was carried out by using matrix-assisted laser deposition ionization time-of-flight (MALDI-TOF) measurements. MALDI-TOF mass spectra were collected using a Voyager DE-STR mass spectrometer equipped with delayed ion extraction. Using MALDI, the observation of the nitrated form is matrix dependent and found only with sinipinc acid where other common matrices yield little or no modified peak.
| Original language | English (US) |
|---|---|
| Title of host publication | Proceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics |
| Pages | 365-366 |
| Number of pages | 2 |
| State | Published - 2002 |
| Event | Proceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics - Orlando, FL, United States Duration: Jun 2 2002 → Jun 6 2002 |
Other
| Other | Proceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics |
|---|---|
| Country | United States |
| City | Orlando, FL |
| Period | 6/2/02 → 6/6/02 |
ASJC Scopus subject areas
- Spectroscopy
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Cite this
Sheeley, S. A., Kelley, W. P., Li, L., & Sweedler, J. V. (2002). Peptide post-translational modifications affected by the MALDI-TOF measurement process. In Proceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics (pp. 365-366)