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Author name: Dave

COA & Purity Science

Mass Spectrometry in Peptide Purity Research: LC-MS/MS and MALDI-TOF Methods for Identity Confirmation, Impurity Detection, and COA Interpretation

Mass spectrometry is the analytical backbone of peptide identity confirmation and impurity detection in research-grade quality control. This guide covers LC-MS/MS sequence confirmation, MALDI-TOF rapid screening, isotopic pattern analysis, degradation detection, and how to interpret mass spectral data on a Certificate of Analysis.

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