Topic
Degradants
Page 4 of 13 — Deamidation at plus one dalton, oxidation at plus sixteen, truncation sequences, and what a warm transit actually does.
Messages — page 4 of 13
cricket_or_footyplus 16 is oxidation#hplc-massspec · 2025-07-19blank_runplus 0.98 is deamidation#hplc-massspec · 2025-07-23retention_timeoxidation is about plus 15.99 Da and is usually methionine or tryptophan truncations show as a mass deficit matching one or…#hplc-massspec · 2025-07-23halifax_hplca warm transit can put a visible degradant peak on a chromatogram. that is what 8 days at ambient does#hplc-massspec · 2025-07-23triumph_watchok so how would a truncation sequence show up#hplc-massspec · 2025-07-25karl_fischera warm transit can put a visible degradant peak on a chromatogram. that is what 14 days at ambient does#hplc-massspec · 2025-07-27karl_fischerplus sixteen, is that always oxidation#hplc-massspec · 2025-07-27tesa_tesstruncations show as a mass deficit matching one or more residues. you need the sequence to say which#hplc-massspec · 2025-07-27cold_chain_cmdrdeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-07-27freeze_thawplus 16 is oxidation#hplc-massspec · 2025-07-27halifax_hplctruncations show as a mass deficit matching one or more residues. you need the sequence to say which#hplc-massspec · 2025-07-28vial_ledgera warm transit can put a visible degradant peak on a chromatogram. that is what 24 days at ambient does#hplc-massspec · 2025-07-28deamidationdeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant i have had a lot where the mass was exactly…#hplc-massspec · 2025-07-28deamidationoxidation is about plus 15.99 Da and is usually methionine or tryptophan if somebody says they ran a mass spec and does not…#hplc-massspec · 2025-07-28c18_columnplus 16 is oxidation#hplc-massspec · 2025-07-31c18_columndeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-07-31hydrate_hanaoxidation is about plus 15.99 Da and is usually methionine or tryptophan#hplc-massspec · 2025-08-02two_four_ceilingplus 0.98 is deamidation#hplc-massspec · 2025-08-02yyz_vialplus sixteen, is that always oxidation#hplc-massspec · 2025-08-07swirl_not_shakedeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-08-07HPLC_Hankhow would a truncation sequence show up#hplc-massspec · 2025-08-15freeze_thawplus 16 is oxidation#hplc-massspec · 2025-08-17two_ml_twodeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-08-17spreadsheet_stuok so oxidation is about plus 15.99 Da and is usually methionine or tryptophan semaglutide is about 4113.6 Da. [M+2H]2+ lands…#hplc-massspec · 2025-08-21two_four_ceilingplus 0.98 is deamidation#hplc-massspec · 2025-08-23gus_chartshow would a truncation sequence show up#hplc-massspec · 2025-08-23two_four_ceilingplus 16 is oxidation#hplc-massspec · 2025-08-23deadspacetruncations show as a mass deficit matching one or more residues. you need the sequence to say which, for what its worth#hplc-massspec · 2025-08-23two_four_ceilingdeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-08-23area_percentplus 0.98 is deamidation#hplc-massspec · 2025-08-26HPLC_Hanka warm transit can put a visible degradant peak on a chromatogram. that is what 21 days at ambient does#hplc-massspec · 2025-08-26HPLC_Hankhow would a truncation sequence show up#hplc-massspec · 2025-08-26logrotatea warm transit can put a visible degradant peak on a chromatogram. that is what 18 days at ambient does#hplc-massspec · 2025-08-27ms_ms_miraplus 0.98 is deamidation#hplc-massspec · 2025-09-01ms_ms_miradeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-09-01bea_reconstitutesplus sixteen, is that always oxidation#hplc-massspec · 2025-09-01deamidationplus 16 is oxidation#hplc-massspec · 2025-09-06peak_splithow would a truncation sequence show up#hplc-massspec · 2025-09-06fridge_thermoplus 0.98 is deamidation#hplc-massspec · 2025-09-06peak_splitoxidation is about plus 15.99 Da and is usually methionine or tryptophan, for what its worth#hplc-massspec · 2025-09-06new_here_natplus 16 is oxidation#hplc-massspec · 2025-09-07fasting_insulinplus 0.98 is deamidation#hplc-massspec · 2025-09-09pbs_pipok so how would a truncation sequence show up#hplc-massspec · 2025-09-09advance_fee_alplus 16 is oxidation#hplc-massspec · 2025-09-09area_percentplus 0.98 is deamidation#hplc-massspec · 2025-09-14charge_stateplus sixteen, is that always oxidation#hplc-massspec · 2025-09-14ms_ms_miraplus 16 is oxidation#hplc-massspec · 2025-09-14relabel_watchtruncations show as a mass deficit matching one or more residues. you need the sequence to say which#hplc-massspec · 2025-09-16power_through_noplus 16 is oxidation#hplc-massspec · 2025-09-16power_through_nodeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant, thats one data point#hplc-massspec · 2025-09-16split_the_costdeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-09-23no_escrow_nateoxidation is about plus 15.99 Da and is usually methionine or tryptophan#hplc-massspec · 2025-09-23lisbon_lotplus 0.98 is deamidation#hplc-massspec · 2025-09-23madrid_mgplus 16 is oxidation#hplc-massspec · 2025-09-23oasis_olaplus sixteen, is that always oxidation#hplc-massspec · 2025-09-23pinch_not_stretchplus 16 is oxidation#hplc-massspec · 2025-09-24area_percentdeamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-09-24seoul_swirltruncations show as a mass deficit matching one or more residues. you need the sequence to say which#hplc-massspec · 2025-09-24seoul_swirlunrelated but a warm transit can put a visible degradant peak on a chromatogram. that is what 23 days at ambient does#hplc-massspec · 2025-09-24bengaluru_bacwhile im here deamidation is about plus 0.98 Da. it is not a rounding error, it is a degradant#hplc-massspec · 2025-09-26