{"doi":"10.1021/jasms.3c00340","title":"Determining Collisional Cross Sections from Ion Decay with Individual Ion Mass Spectrometry","abstract":"Collision cross section (CCS) measurements determined by ion mobility spectrometry (IMS) provide useful information about gas-phase protein structure that is complementary to mass analysis. Methods for determining CCS without a dedicated IMS system have been developed for Fourier transform mass spectrometry (FT-MS) platforms by measuring the signal decay during detection. Individual ion mass spectrometry (I 2 MS) provides charge detection and measures ion lifetimes across the length of an FT-MS detection event. By tracking lifetimes for entire ion populations, we demonstrate simultaneous determination of charge, mass, and CCS for proteins and complexes ranging from ∼8 to ∼232 kDa.","journal":"Journal of the American Society for Mass Spectrometry","year":2023,"id":350489,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":10,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9629,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2023-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":322822,"name":"John P. McGee","orcid":"0000-0002-0527-8904","position":1,"is_corresponding":false},{"id":1094459,"name":"K. P. Bowen","orcid":"0000-0003-2483-8863","position":2,"is_corresponding":false},{"id":526554,"name":"Michael Goodwin","orcid":null,"position":3,"is_corresponding":false},{"id":247293,"name":"Michael W. Senko","orcid":"0009-0000-5040-5776","position":4,"is_corresponding":false},{"id":237416,"name":"Neil L. Kelleher","orcid":"0000-0002-8815-3372","position":5,"is_corresponding":false},{"id":247286,"name":"Jared O. Kafader","orcid":"0000-0002-5359-264X","position":6,"is_corresponding":false},{"id":1094458,"name":"Nickolas P. Fisher","orcid":"0000-0002-8574-7503","position":0,"is_corresponding":true}],"reference_count":32,"raw_metadata":null,"created_at":"2026-07-19T01:12:23.769679Z","pmid":"38011219","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}