{"id":"https://openalex.org/W4404732487","doi":"https://doi.org/10.32920/27912753.v1","title":"Fluence-matching technique using photoacoustic radiofrequency spectra for improving estimates of oxygen saturation","display_name":"Fluence-matching technique using photoacoustic radiofrequency spectra for improving estimates of oxygen saturation","publication_year":2024,"publication_date":"2024-11-27","ids":{"openalex":"https://openalex.org/W4404732487","doi":"https://doi.org/10.32920/27912753.v1"},"language":"en","primary_location":{"id":"doi:10.32920/27912753.v1","doi":"https://doi.org/10.32920/27912753.v1","is_oa":true,"landing_page_url":"https://doi.org/10.32920/27912753.v1","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Toronto Metropolitan University","raw_type":"posted-content"},"volume":null,"type":"other","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.32920/27912753.v1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082174309","display_name":"Muhannad N. Fadhel","orcid":"https://orcid.org/0000-0002-8413-6313","observed_orcids":["https://orcid.org/0000-0002-8413-6313"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Muhannad N. Fadhel","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021491335","display_name":"Eno Hysi","orcid":"https://orcid.org/0000-0003-4503-2738","observed_orcids":["https://orcid.org/0000-0003-4503-2738","https://orcid.org/0009-0002-5503-7460"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eno Hysi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085834168","display_name":"Hisham Assi","orcid":"https://orcid.org/0000-0002-0734-1401","observed_orcids":["https://orcid.org/0000-0002-0734-1401"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hisham Assi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5027024186","display_name":"Michael C. Kolios","orcid":"https://orcid.org/0000-0002-9994-8293","observed_orcids":["https://orcid.org/0000-0002-9994-8293"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael C. Kolios","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.0007999999797903001,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/photoacoustic-imaging","display_name":"photoacoustic imaging","score":0.9440000057220459},{"id":"https://openalex.org/keywords/oxygen-saturation","display_name":"oxygen saturation","score":0.6819999814033508},{"id":"https://openalex.org/keywords/spectral-slope","display_name":"spectral slope","score":0.8980000019073486},{"id":"https://openalex.org/keywords/wavelength-dependence","display_name":"wavelength dependence","score":0.4650000035762787},{"id":"https://openalex.org/keywords/spectral-unmixing","display_name":"spectral unmixing","score":0.7950000166893005},{"id":"https://openalex.org/keywords/tissue-oxygenation","display_name":"tissue oxygenation","score":0.7310000061988831}],"concepts":[{"id":"https://openalex.org/C54932901","wikidata":"https://www.wikidata.org/wiki/Q7187705","display_name":"Photoacoustic imaging in biomedicine","level":2,"score":0.6342968940734863},{"id":"https://openalex.org/C22078206","wikidata":"https://www.wikidata.org/wiki/Q1418023","display_name":"Fluence","level":3,"score":0.6284486055374146},{"id":"https://openalex.org/C2778089247","wikidata":"https://www.wikidata.org/wiki/Q368951","display_name":"Blank","level":2,"score":0.610715389251709},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5944188237190247},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.4984579086303711},{"id":"https://openalex.org/C76538665","wikidata":"https://www.wikidata.org/wiki/Q6294669","display_name":"Oxygen saturation","level":3,"score":0.49280813336372375},{"id":"https://openalex.org/C9930424","wikidata":"https://www.wikidata.org/wiki/Q7426587","display_name":"Saturation (graph theory)","level":2,"score":0.479623407125473},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.4689580500125885},{"id":"https://openalex.org/C2777286522","wikidata":"https://www.wikidata.org/wiki/Q900415","display_name":"Photoacoustic spectroscopy","level":3,"score":0.4667668044567108},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4535461664199829},{"id":"https://openalex.org/C540031477","wikidata":"https://www.wikidata.org/wiki/Q629","display_name":"Oxygen","level":2,"score":0.4340084195137024},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.37983882427215576},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.36186012625694275},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.3533138036727905},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.35223573446273804},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3172670006752014},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16303056478500366},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.32920/27912753.v1","doi":"https://doi.org/10.32920/27912753.v1","is_oa":true,"landing_page_url":"https://doi.org/10.32920/27912753.v1","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Toronto Metropolitan University","raw_type":"posted-content"},{"id":"pmh:oai:figshare.com:article/27912753","doi":null,"is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Fluence-matching_technique_using_photoacoustic_radiofrequency_spectra_for_improving_estimates_of_oxygen_saturation/27912753","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"}],"best_oa_location":{"id":"doi:10.32920/27912753.v1","doi":"https://doi.org/10.32920/27912753.v1","is_oa":true,"landing_page_url":"https://doi.org/10.32920/27912753.v1","pdf_url":null,"source":null,"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Toronto Metropolitan University","raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.504800021648407,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2789714857","https://openalex.org/W2889735150","https://openalex.org/W2337745428","https://openalex.org/W2792213744","https://openalex.org/W2004707194","https://openalex.org/W4408226661","https://openalex.org/W2036058493","https://openalex.org/W1981761079","https://openalex.org/W1979256414","https://openalex.org/W2994615046"],"abstract_inverted_index":{"Photoacoustic":[0],"(PA)":[1],"signals":[2],"encode":[3],"information":[4],"about":[5],"the":[6,18,22,28,31,46,49,52,73,109,135,139,150,154,157,163,180,187,193,196,214,223,227,236,242,251,255,296,303],"optical":[7,61,82,309],"absorption":[8],"and":[9,127,142,172,183,211,262,277],"spatial":[10],"distribution":[11,20],"of":[12,27,38,48,51,94,112,153,156,267,298],"absorbing":[13],"chromophores":[14],"as":[15,17],"well":[16],"light":[19],"in":[21,33,108,179,195,222],"medium.":[23],"The":[24,103,145,218,281],"wavelength":[25],"dependence":[26,306],"latter":[29],"affects":[30],"accuracy":[32,297],"chromophore":[34],"quantification,":[35],"including":[36],"estimations":[37],"oxygen":[39],"saturation":[40],"(sO2)":[41],"with":[42,80,92],"depth.":[43],"We":[44],"propose":[45],"use":[47],"ratio":[50,155],"PA":[53,177],"radiofrequency":[54],"(RF)":[55],"spectral":[56,203],"slopes":[57],"(SS)":[58],"at":[59,138,162,199,307],"different":[60,81,119,308],"wavelengths":[62,140],"to":[63,71,174,190,207,241],"generate":[64],"frequency":[65,168,181,216,237],"filters":[66],"which":[67],"can":[68,293],"be":[69],"used":[70,206],"match":[72],"fluence":[74,197,290,304],"profiles":[75,198],"across":[76],"separate":[77],"images":[78],"generated":[79],"wavelengths.":[83,165,201,310],"Proof-of-principle":[84],"experiments":[85],"were":[86],"carried":[87],"on":[88],"a":[89,95,100,246,286],"plastic":[90,224],"tube":[91,225],"blood":[93,220,247],"known":[96],"oxygenation":[97],"inserted":[98],"into":[99,186],"porcine":[101,228],"tissue.":[102],"algorithm":[104],"was":[105,132,147,170,205,259],"tested":[106],"in-vivo":[107,252],"hind":[110],"leg":[111],"six":[113],"CD1":[114],"mice,":[115],"each":[116,175],"under":[117],"three":[118],"breathing":[120,272],"conditions":[121],"(100":[122],"%":[123,129],"O2,":[124,274],"room":[125,275],"air":[126,276],"100":[128],"CO2).":[130],"Imaging":[131],"done":[133],"using":[134],"VevoLAZR":[136],"system":[137],"720":[141],"870":[143],"nm.":[144],"SS":[146],"calculated":[148],"from":[149],"linear":[151],"fit":[152],"photoacoustic":[158],"RF":[159],"power":[160],"spectra":[161],"two":[164],"An":[166],"ultrasound":[167,215],"filter":[169,238],"designed":[171],"applied":[173,256],"segmented":[176],"signal":[178],"domain":[182,189],"inversely":[184],"transformed":[185],"time":[188],"correct":[191],"for":[192,226,264,270,289],"differences":[194],"both":[200],"Linear":[202],"unmixing":[204],"estimate":[208],"sO2":[209,221,243,257,299],"before":[210],"after":[212,234],"applying":[213,235],"filter.":[217],"estimated":[219],"tissue":[229,269],"experiment":[230],"improved":[231],"by":[232,245,301],"10.3%":[233],"when":[239],"compared":[240],"measured":[244],"gas":[248],"analyzer.":[249],"For":[250],"mouse":[253],"experiments,":[254],"correction":[258],"2.67,":[260],"1.33":[261],"-3.33%":[263],"every":[265],"mm":[266],"muscle":[268],"mice":[271],"100%":[273,278],"CO2,":[279],"respectively.":[280],"approach":[282,288],"presented":[283],"here":[284],"provides":[285],"new":[287],"matching":[291],"that":[292],"potentially":[294],"improve":[295],"estimates":[300],"removing":[302],"depth":[305]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2024-11-27T00:00:00"}
