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Fraction base-KMD plots for a high-MW - S3000 - MSTips - 283

High molecular weight polymers are often MS-silent due to their inherent high dispersity (DM) or detected in the high mass range with low resolving power. An "on-plate" alkaline degradation has thus been developed as a sample pre-treatment on the MALDI target with tenths of ng of polymer to cut long industrial polyester chains into short oligomers amenable to MALDI-HRMS.

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Corona - Glow Discharge (DART Ion Source)

February 22, 2020
117