{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/124640"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/124640","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Magnetic resonance thermometry with superparamagnetic iron oxide nanoparticles","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01","abstract_has_math":false,"creators":["Lin, Pei-Yun"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Materials Science & Engr","degree_department":null,"school":null,"contributors":["Cahill, David G"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2024,"date_issued":"2024-05","date_published":"2024-05","updated_at":"2026-07-22T22:25:02Z","subjects":["Thermometry","Magnetic Resonance"],"languages":["en","eng"],"rights":["Copyright 2024 Pei-Yun Lin"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/124640","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Cahill, David G"]},{"key":"dc:creator","label":"Author","values":["Lin, Pei-Yun"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2024-05","2024-04-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science & Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Thermometry","Magnetic Resonance"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2024 Pei-Yun Lin"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/124640"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01","The student, Pei-Yun Lin, accepted the attached license on 2024-04-02 at 13:45.","The student, Pei-Yun Lin, submitted this Thesis for approval on 2024-04-02 at 14:30.","This Thesis was approved for publication on 2024-04-05 at 15:26.","DSpace SAF Submission Ingestion Package generated from Vireo submission #20290 on 2024-09-16 at 00:49:01","Thermometry based on magnetic resonance has been extensively studied due to its important application in biomedical imaging. Spin-spin relaxation time (T2) of nuclear magnetic resonance (NMR) is a highly sensitive thermometer as T2 scales with the highly temperature sensitive self-diffusion constant of fluid. In this thesis, in addition to temperature dependent self-diffusion constant of fluid, I utilize the temperature dependent magnetization of 4 nm SPIONs to improve T2 sensitivity by nearly a factor of two over self-diffusion alone in hexane between 248 K and 333 K. To extend the application of NMR T2 thermometry to engineering systems, I also investigate the temperature dependence of T2 in mineral oil, which exhibits remarkably high sensitivity (=11.7) between 273 K and 353 K. This result implies that the applications of NMR T2 thermometry in heat transfer fluids of engineering systems are promising. NMR thermometry, however, is generally not applicable to solids. Therefore, I also evaluate the potential of electron spin resonance (ESR) thermometry with SPIONs in solids between 100 K and 290 K, for potential temperature monitoring in biomedical and engineering applications. The size and concentration effects on ESR signals are studied systematically, and the results show that the temperature dependent linewidth follows a T^-2 law for 4 nm SPIONs, while the concentration of SPIONs has no impact on the temperature dependence of ESR linewidth. Combining the NMR and ESR results, I find, to obtain higher temperature sensitivity in a magnetic resonance technique using SPIONs, making the size of SPIONs as small as possible is important."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Magnetic resonance thermometry with superparamagnetic iron oxide nanoparticles"]}]}],"canonical_facts":{"dc:contributor":["Cahill, David G"],"dc:creator":["Lin, Pei-Yun"],"dc:date":["2024-05","2024-04-05"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-05-01","The student, Pei-Yun Lin, accepted the attached license on 2024-04-02 at 13:45.","The student, Pei-Yun Lin, submitted this Thesis for approval on 2024-04-02 at 14:30.","This Thesis was approved for publication on 2024-04-05 at 15:26.","DSpace SAF Submission Ingestion Package generated from Vireo submission #20290 on 2024-09-16 at 00:49:01","Thermometry based on magnetic resonance has been extensively studied due to its important application in biomedical imaging. Spin-spin relaxation time (T2) of nuclear magnetic resonance (NMR) is a highly sensitive thermometer as T2 scales with the highly temperature sensitive self-diffusion constant of fluid. In this thesis, in addition to temperature dependent self-diffusion constant of fluid, I utilize the temperature dependent magnetization of 4 nm SPIONs to improve T2 sensitivity by nearly a factor of two over self-diffusion alone in hexane between 248 K and 333 K. To extend the application of NMR T2 thermometry to engineering systems, I also investigate the temperature dependence of T2 in mineral oil, which exhibits remarkably high sensitivity (=11.7) between 273 K and 353 K. This result implies that the applications of NMR T2 thermometry in heat transfer fluids of engineering systems are promising. NMR thermometry, however, is generally not applicable to solids. Therefore, I also evaluate the potential of electron spin resonance (ESR) thermometry with SPIONs in solids between 100 K and 290 K, for potential temperature monitoring in biomedical and engineering applications. The size and concentration effects on ESR signals are studied systematically, and the results show that the temperature dependent linewidth follows a T^-2 law for 4 nm SPIONs, while the concentration of SPIONs has no impact on the temperature dependence of ESR linewidth. Combining the NMR and ESR results, I find, to obtain higher temperature sensitivity in a magnetic resonance technique using SPIONs, making the size of SPIONs as small as possible is important."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/124640"],"dc:language":["en","eng"],"dc:rights":["Copyright 2024 Pei-Yun Lin"],"dc:subject":["Thermometry","Magnetic Resonance"],"dc:title":["Magnetic resonance thermometry with superparamagnetic iron oxide nanoparticles"],"dc:type":["text"],"thesis:degree_discipline":["Materials Science & Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:02Z"}