{"id":"https://openalex.org/W2296679015","doi":"https://doi.org/10.1109/embc.2015.7318948","title":"Ultrasound observation of GAG content of human hip joint cartilage in different old age groups","display_name":"Ultrasound observation of GAG content of human hip joint cartilage in different old age groups","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2296679015","doi":"https://doi.org/10.1109/embc.2015.7318948","mag":"2296679015","pmid":"https://pubmed.ncbi.nlm.nih.gov/26736848"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2015.7318948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7318948","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5054833914","display_name":"Pengling Ren","orcid":"https://orcid.org/0000-0002-2307-3689"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Pengling Ren","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113710011","display_name":"Xiaofei Li","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofei Li","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100366840","display_name":"Fan Fan","orcid":"https://orcid.org/0000-0002-6587-0416"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Fan","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022926958","display_name":"Xiran Cai","orcid":"https://orcid.org/0000-0002-9194-7114"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiran Cai","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101838926","display_name":"He Gong","orcid":"https://orcid.org/0000-0002-4343-6061"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"He Gong","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066943052","display_name":"Yubo Fan","orcid":"https://orcid.org/0000-0002-3480-4395"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yubo Fan","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103150553","display_name":"Haijun Niu","orcid":"https://orcid.org/0000-0003-1160-1832"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haijun Niu","raw_affiliation_strings":["Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, School of Biological Science and Medical Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Key Laboratory of Ministry of Education for Biomechanics and Mechanobiology, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5054833914"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.2615,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63422862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2015","issue":null,"first_page":"2697","last_page":"2700"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10105","display_name":"Osteoarthritis Treatment and Mechanisms","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10105","display_name":"Osteoarthritis Treatment and Mechanisms","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.9589999914169312,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9276999831199646,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cartilage","display_name":"Cartilage","score":0.6770550012588501},{"id":"https://openalex.org/keywords/glycosaminoglycan","display_name":"Glycosaminoglycan","score":0.6692609786987305},{"id":"https://openalex.org/keywords/ultrasound","display_name":"Ultrasound","score":0.6013363599777222},{"id":"https://openalex.org/keywords/optical-density","display_name":"Optical density","score":0.5991796255111694},{"id":"https://openalex.org/keywords/attenuation-coefficient","display_name":"Attenuation coefficient","score":0.46392473578453064},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.46186643838882446},{"id":"https://openalex.org/keywords/age-groups","display_name":"Age groups","score":0.4601576328277588},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.45818251371383667},{"id":"https://openalex.org/keywords/attenuation","display_name":"Attenuation","score":0.44833076000213623},{"id":"https://openalex.org/keywords/bone-density","display_name":"Bone density","score":0.4396023750305176},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.428542822599411},{"id":"https://openalex.org/keywords/biomedical-engineering","display_name":"Biomedical engineering","score":0.3918858468532562},{"id":"https://openalex.org/keywords/anatomy","display_name":"Anatomy","score":0.36816608905792236},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.34650349617004395},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.28833699226379395},{"id":"https://openalex.org/keywords/osteoporosis","display_name":"Osteoporosis","score":0.20875802636146545},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.18874868750572205},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14215537905693054},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.12109535932540894}],"concepts":[{"id":"https://openalex.org/C2780550940","wikidata":"https://www.wikidata.org/wiki/Q502730","display_name":"Cartilage","level":2,"score":0.6770550012588501},{"id":"https://openalex.org/C153074725","wikidata":"https://www.wikidata.org/wiki/Q407553","display_name":"Glycosaminoglycan","level":2,"score":0.6692609786987305},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.6013363599777222},{"id":"https://openalex.org/C3020486325","wikidata":"https://www.wikidata.org/wiki/Q907315","display_name":"Optical density","level":2,"score":0.5991796255111694},{"id":"https://openalex.org/C159774933","wikidata":"https://www.wikidata.org/wiki/Q902086","display_name":"Attenuation coefficient","level":2,"score":0.46392473578453064},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.46186643838882446},{"id":"https://openalex.org/C2986834420","wikidata":"https://www.wikidata.org/wiki/Q5932254","display_name":"Age groups","level":2,"score":0.4601576328277588},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.45818251371383667},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.44833076000213623},{"id":"https://openalex.org/C2779329777","wikidata":"https://www.wikidata.org/wiki/Q2304401","display_name":"Bone density","level":3,"score":0.4396023750305176},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.428542822599411},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.3918858468532562},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.36816608905792236},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.34650349617004395},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.28833699226379395},{"id":"https://openalex.org/C2776541429","wikidata":"https://www.wikidata.org/wiki/Q165328","display_name":"Osteoporosis","level":2,"score":0.20875802636146545},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.18874868750572205},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14215537905693054},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.12109535932540894},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001842","descriptor_name":"Bone and Bones","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001842","descriptor_name":"Bone and Bones","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001842","descriptor_name":"Bone and Bones","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002358","descriptor_name":"Cartilage, Articular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002358","descriptor_name":"Cartilage, Articular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002358","descriptor_name":"Cartilage, Articular","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006025","descriptor_name":"Glycosaminoglycans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006025","descriptor_name":"Glycosaminoglycans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006025","descriptor_name":"Glycosaminoglycans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006621","descriptor_name":"Hip Joint","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006621","descriptor_name":"Hip Joint","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006621","descriptor_name":"Hip Joint","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014463","descriptor_name":"Ultrasonography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014463","descriptor_name":"Ultrasonography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014463","descriptor_name":"Ultrasonography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015519","descriptor_name":"Bone Density","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015519","descriptor_name":"Bone Density","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015519","descriptor_name":"Bone Density","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2015.7318948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2015.7318948","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:26736848","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26736848","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1992819405","https://openalex.org/W1992926057","https://openalex.org/W2000084634","https://openalex.org/W2002812639","https://openalex.org/W2007734100","https://openalex.org/W2027160485","https://openalex.org/W2051898119","https://openalex.org/W2060361325","https://openalex.org/W2066906916","https://openalex.org/W2102616701","https://openalex.org/W2112658250","https://openalex.org/W2153512461","https://openalex.org/W2156914917","https://openalex.org/W6675449444"],"related_works":["https://openalex.org/W2032255522","https://openalex.org/W2155643123","https://openalex.org/W621572675","https://openalex.org/W2031246533","https://openalex.org/W2002788455","https://openalex.org/W2072817825","https://openalex.org/W2318445824","https://openalex.org/W1963601902","https://openalex.org/W1980898346","https://openalex.org/W3181098533"],"abstract_inverted_index":{"In":[0,157],"this":[1],"study,":[2],"we":[3],"observed":[4],"the":[5,58,76,107,113,180],"age-related":[6,181],"changes":[7,182],"of":[8,12,60,161,183,186],"glycosaminoglycan":[9],"(GAG)":[10],"content":[11,160],"human":[13,22,187],"hip":[14,23,162,188],"joint":[15,163,189],"cartilage":[16,164],"based":[17],"on":[18],"ultrasound":[19,51,173],"(US).":[20],"Seventy":[21],"cartilage-bone":[24],"samples":[25,77],"were":[26,47,78,119],"collected":[27],"from":[28,95],"hip-fracture":[29],"patients":[30],"(ages":[31],"51":[32],"to":[33,52,149,178],"96)":[34],"and":[35,68,124,134,171],"divided":[36],"into":[37],"5":[38],"groups":[39],"(10":[40],"years":[41],"in":[42,106,168],"an":[43],"age":[44,97,109,115],"group).":[45],"They":[46],"firstly":[48],"measured":[49],"by":[50,91,102],"obtain":[53],"quantitative":[54],"acoustic":[55,184],"parameters,":[56],"including":[57],"speed":[59],"sound":[61],"(SOS),":[62],"US":[63,71],"amplitude":[64],"attenuation":[65,72],"coefficient":[66,73],"(UAA)":[67],"normalized":[69],"broadband":[70],"(nBUA).":[74],"Then":[75],"stained":[79],"for":[80],"GAG":[81,125,135,150,159],"with":[82,112,166],"toluidine":[83],"blue.":[84],"Results":[85],"showed":[86,144],"SOS,":[87],"UAA,":[88],"nBUA":[89,143],"decreased":[90],"5.49%,":[92],"36.67%,":[93],"25.57%":[94],"50-80":[96],"group":[98,110],"(p<;0.01),":[99],"but":[100],"increased":[101],"0.34%,":[103],"1.19%,":[104],"5.23%":[105],"90":[108],"compared":[111],"80":[114],"group,":[116],"respectively.":[117],"There":[118],"linear":[120,147],"correlations":[121],"between":[122],"SOS":[123],"optical":[126,136,151],"density":[127,137,152],"(r=0.825,":[128],"p<;0.01),":[129],"as":[130,132],"well":[131],"UAA":[133],"(r=0.708,":[138],"p":[139,154],"<;":[140,155],"0.01).":[141],"However,":[142],"less":[145],"significant":[146],"correlation":[148],"(r=0.688,":[153],"0.07).":[156],"summary,":[158],"varied":[165],"aging":[167],"elderly":[169],"people":[170],"conventional":[172],"can":[174],"potentially":[175],"be":[176],"used":[177],"detect":[179],"parameters":[185],"cartilage.":[190]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
