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The ABIRD device may suppress contaminant ions and enhance peptide identification

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posted on 27.07.2021, 15:45 authored by Nikolai SlavovNikolai Slavov
The ABIRD device may suppress contaminant ions and enhance peptide identification. ABIRD may suppress contaminant ions and enhance peptide identification. Replicate injections of an 1x Standard were analyzed with the ABIRD on or off. (a) The replicates with ABIRD on had a reduced number of +1 ions (likely corresponding to contaminants) and an increased number of higher charge state ions, which are likely to correspond to peptides. (b) With the ABIRD on, the number of identified peptides is increased across all confidence (PEP; posterior error probabilities).

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