{"id":"https://openalex.org/W2525974450","doi":null,"title":"High field magnetic resonance imaging-based gel dosimetry for small radiation fields","display_name":"High field magnetic resonance imaging-based gel dosimetry for small radiation fields","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2525974450","mag":"2525974450"},"language":"en","primary_location":{"id":"pmh:oai:wakespace.lib.wfu.edu:10339/37299","doi":null,"is_oa":false,"landing_page_url":"https://wakespace.lib.wfu.edu/handle/10339/37299","pdf_url":null,"source":{"id":"https://openalex.org/S4377196938","display_name":"WakeSpace Scholarship (Wake Forest University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I47251452","host_organization_name":"Wake Forest University","host_organization_lineage":["https://openalex.org/I47251452"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"volume":null,"type":"dissertation","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068845250","display_name":"Xuanfeng Ding","orcid":"https://orcid.org/0000-0002-1733-6278","observed_orcids":["https://orcid.org/0000-0002-1733-6278"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Xuanfeng Ding","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-1733-6278","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5068845250"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11176","display_name":"Radiation Therapy and Dosimetry","score":0.003800000064074993,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12468","display_name":"Radiation Effects and Dosimetry","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/polymer-gel-dosimetry","display_name":"polymer gel dosimetry","score":0.9369999766349792},{"id":"https://openalex.org/keywords/gelatin","display_name":"gelatin","score":0.5809999704360962},{"id":"https://openalex.org/keywords/relaxivity","display_name":"relaxivity","score":0.7580000162124634},{"id":"https://openalex.org/keywords/radiation-polymerization","display_name":"radiation-induced polymerization","score":0.765999972820282},{"id":"https://openalex.org/keywords/3d-dosimetry","display_name":"3D dosimetry","score":0.7730000019073486},{"id":"https://openalex.org/keywords/intensity-modulated-radiotherapy","display_name":"intensity-modulated radiotherapy","score":0.8199999928474426},{"id":"https://openalex.org/keywords/stereotactic-radiosurgery","display_name":"stereotactic radiosurgery","score":0.9929999709129333},{"id":"https://openalex.org/keywords/electronic-disequilibrium","display_name":"electronic disequilibrium","score":0.7559999823570251},{"id":"https://openalex.org/keywords/dose-gradient","display_name":"dose gradient","score":0.7689999938011169}],"concepts":[{"id":"https://openalex.org/C75088862","wikidata":"https://www.wikidata.org/wiki/Q2291081","display_name":"Dosimetry","level":2,"score":0.6823922395706177},{"id":"https://openalex.org/C139210041","wikidata":"https://www.wikidata.org/wiki/Q2145840","display_name":"Resonance (particle physics)","level":2,"score":0.47140076756477356},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.4694119393825531},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4317821264266968},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.43151307106018066},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.36091524362564087},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3414154648780823},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3323521018028259},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.2858924865722656},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.19668439030647278},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.1562556028366089},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.10616827011108398},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.06784629821777344},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:wakespace.lib.wfu.edu:10339/37299","doi":null,"is_oa":false,"landing_page_url":"https://wakespace.lib.wfu.edu/handle/10339/37299","pdf_url":null,"source":{"id":"https://openalex.org/S4377196938","display_name":"WakeSpace Scholarship (Wake Forest University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I47251452","host_organization_name":"Wake Forest University","host_organization_lineage":["https://openalex.org/I47251452"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},{"id":"mag:2525974450","doi":null,"is_oa":false,"landing_page_url":"https://ui.adsabs.harvard.edu/abs/2012PhDT........66D/abstract","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.428600013256073,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1805860990","https://openalex.org/W1963844478","https://openalex.org/W1964560577","https://openalex.org/W1972835700","https://openalex.org/W1976314711","https://openalex.org/W1976939264","https://openalex.org/W1981587803","https://openalex.org/W1987040125","https://openalex.org/W1990405815","https://openalex.org/W1998828795","https://openalex.org/W1999004575","https://openalex.org/W1999658973","https://openalex.org/W2000471589","https://openalex.org/W2003988122","https://openalex.org/W2019659451","https://openalex.org/W2025808936","https://openalex.org/W2027830284","https://openalex.org/W2028773438","https://openalex.org/W2034433474","https://openalex.org/W2035564685","https://openalex.org/W2038645936","https://openalex.org/W2041073295","https://openalex.org/W2047388058","https://openalex.org/W2047595261","https://openalex.org/W2059030188","https://openalex.org/W2063898047","https://openalex.org/W2064419667","https://openalex.org/W2064660079","https://openalex.org/W2065625989","https://openalex.org/W2066585524","https://openalex.org/W2070048761","https://openalex.org/W2073955944","https://openalex.org/W2074228264","https://openalex.org/W2081292091","https://openalex.org/W2085440375","https://openalex.org/W2090838842","https://openalex.org/W2095261829","https://openalex.org/W2101493372","https://openalex.org/W2112586577","https://openalex.org/W2114465248","https://openalex.org/W2128289966","https://openalex.org/W2140095307","https://openalex.org/W2155111756","https://openalex.org/W2166698761","https://openalex.org/W2170375571"],"related_works":["https://openalex.org/W2093505850","https://openalex.org/W2215781598","https://openalex.org/W207417311","https://openalex.org/W2062935024","https://openalex.org/W2082477764","https://openalex.org/W2077346363","https://openalex.org/W2593611934","https://openalex.org/W4210416934","https://openalex.org/W2950718659","https://openalex.org/W2330712985"],"abstract_inverted_index":{"Small":[0],"megavoltage":[1],"photon":[2],"radiation":[3,12,66,82],"fields":[4,44,73],"(<":[5],"3cm":[6],"diameter)":[7],"are":[8,45],"used":[9],"in":[10,49,126],"advanced":[11],"therapy":[13],"techniques,":[14],"such":[15],"as":[16,23,25],"intensity":[17],"modulated":[18],"radiotherapy,":[19],"and":[20,28,60,151,153],"stereotactic":[21],"radiosurgery,":[22],"well":[24],"for":[26,41,71,134],"cellular":[27],"preclinical":[29],"radiobiology":[30],"studies":[31],"(very":[32],"small":[33,43,72],"fields,":[34],"<1":[35],"mm":[36],"diameter).":[37],"Radiation":[38],"dose":[39,55,86,135],"characteristics":[40],"these":[42],"difficult":[46],"to":[47,81,91,129,139],"determine":[48],"multiple":[50],"dimensions":[51],"because":[52,74,143],"of":[53,62,108,144,156],"steep":[54],"gradients":[56],"(30-40%":[57],"per":[58],"mm)":[59],"conditions":[61],"electronic":[63],"disequilibrium.":[64],"Conventional":[65],"dosimetry":[67],"techniques":[68],"have":[69],"limitations":[70],"detector":[75],"size":[76,84,142],"may":[77,88],"be":[78,89,116],"large":[79],"compared":[80],"field":[83,148],"and/or":[85],"acquisition":[87],"restricted":[90],"one":[92],"or":[93],"two":[94],"dimensions.":[95],"Polymer":[96,112],"gel":[97,113,130],"dosimetryer,":[98],"is":[99,137],"a":[100],"three-dimensional":[101],"(3D)":[102],"dosimeter":[103],"based":[104],"on":[105],"radiation-induced":[106],"polymerization":[107],"tissue":[109],"equivalent":[110],"gelatin.":[111],"dosimeters":[114],"can":[115],"read":[117],"using":[118],"magnetic":[119,147],"resonance":[120],"imaging":[121],"(MRI),":[122],"which":[123],"detects":[124],"changes":[125],"relaxivity":[127],"due":[128],"polymerization.":[131],"Spatial":[132],"resolution":[133],"readout":[136],"limited":[138],"0.25-0.5mm":[140],"pixel":[141],"available":[145],"the":[146,154],"strengths":[149],"(1.5T":[150],"3T)":[152],"stability":[155],"polymer":[157],"gelatin":[158],"at":[159],"room":[160],"temperature.":[161]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-09-04T10:56:28.161419","created_date":"2016-10-07T00:00:00"}