{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["8(9)"],"submitter":["Paulson AE"],"pubmed_abstract":["A Kendrick mass defect (KMD) plot is an efficient way to disperse complex high-resolution mass spectral data in a visually informative two-dimensional format which allows for the rapid assignment of compound classes that differ by heteroatom content and/or unsaturation. Fingerprint lipid oxidation has the potential to be used to estimate the time since deposition of a fingerprint, but the mass spectra become extremely complex as the lipids degrade. We apply KMD plot analysis for the first time to sebaceous fingerprints aged for 0-7 days to characterize lipid degradation processes analyzed by MALDI-MS. In addition to the ambient ozonolysis of fingerprint lipids previously reported, we observed unique spectral features associated with epoxides and medium chain fatty acid degradation products"],"journal":["ACS central science"],"pagination":["1328-1335"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9523776"],"repository":["biostudies-literature"],"pubmed_title":["Novel Ambient Oxidation Trends in Fingerprint Aging Discovered by Kendrick Mass Defect Analysis."],"pmcid":["PMC9523776"],"pubmed_authors":["Lee YJ","Paulson AE"],"additional_accession":[]},"is_claimable":false,"name":"Novel Ambient Oxidation Trends in Fingerprint Aging Discovered by Kendrick Mass Defect Analysis.","description":"A Kendrick mass defect (KMD) plot is an efficient way to disperse complex high-resolution mass spectral data in a visually informative two-dimensional format which allows for the rapid assignment of compound classes that differ by heteroatom content and/or unsaturation. Fingerprint lipid oxidation has the potential to be used to estimate the time since deposition of a fingerprint, but the mass spectra become extremely complex as the lipids degrade. We apply KMD plot analysis for the first time to sebaceous fingerprints aged for 0-7 days to characterize lipid degradation processes analyzed by MALDI-MS. In addition to the ambient ozonolysis of fingerprint lipids previously reported, we observed unique spectral features associated with epoxides and medium chain fatty acid degradation products","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Sep","modification":"2025-04-22T03:32:12.345Z","creation":"2025-04-05T20:45:01.054Z"},"accession":"S-EPMC9523776","cross_references":{"pubmed":["36188339"],"doi":["10.1021/acscentsci.2c00408"]}}