{"doi":"10.1002/mrm.30361","title":"<scp>Radiofrequency</scp> ‐transparent local <scp> B <sub>0</sub> </scp> shimming coils using float traps","abstract":"Abstract Purpose Static field (B 0 ) inhomogeneities present a major challenge in high‐field MRI. Multicoil shimming using independent, local, direct‐current (DC) shim coils has emerged as a powerful and flexible technique to address this issue. However, many‐turn DC coils can lead to significant mutual coupling with radiofrequency (RF) coils, causing transmit field (B 1 + ) distortions and signal‐to‐noise ratio degradation. Methods We introduce an innovative RF‐transparent DC coil that performs B 0 shimming while minimizing RF performance impact. The design incorporates float traps to maintain high RF impedance, allowing flexible placement relative to the RF coil without compromising signal‐to‐noise ratio or affecting B 1 + . We fabricated square‐shaped DC coils with float traps for 3T MRI and compared them with conventional DC coils. To demonstrate high ΔB 0 /Amp efficiency, we conducted a B 0 shimming experiment around a metal hip implant. Results Bench tests and MRI experimental results demonstrated that the RF‐transparent DC coil effectively minimized RF interference, preserved signal‐to‐noise ratio, and maintained B 1 + , even when placed near the RF receive coil. Additionally, the DC coil significantly improved B 0 homogeneity near metal implants and substantially reduced image distortion. Conclusion The RF‐transparent DC coil offers a flexible, effective solution for managing B 0 inhomogeneities, paving the way for integrating multiturn DC coils in clinical MRI settings without extensive hardware modifications.","journal":"Magnetic Resonance in Medicine","year":2024,"id":483798,"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":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9368,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1292584,"name":"H. Liang","orcid":"0000-0001-9650-2432","position":1,"is_corresponding":false},{"id":447667,"name":"Ming Lu","orcid":"0000-0003-4639-7851","position":2,"is_corresponding":false},{"id":324146,"name":"John C. Gore","orcid":"0000-0002-9480-0900","position":3,"is_corresponding":false},{"id":793310,"name":"Saikat Sengupta","orcid":"0000-0001-5032-006X","position":4,"is_corresponding":false},{"id":447668,"name":"Xinqiang Yan","orcid":"0000-0002-4232-3241","position":5,"is_corresponding":false},{"id":1324788,"name":"C. Liu","orcid":"0009-0002-2689-974X","position":0,"is_corresponding":true}],"reference_count":17,"raw_metadata":null,"created_at":"2026-07-19T02:07:33.718973Z","pmid":"39497505","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":[]}