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Optical Elastography and Tissue Biomechanics VI最新文献

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Brillouin spectroscopy is insensitive to stiffness after correcting for the influence of water content in hydrogels (Conference Presentation) 在校正了水凝胶中含水量的影响后，布里渊光谱对刚度不敏感(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-13 DOI: 10.1117/12.2507841
D. Overby, Pei-Jung Wu, I. Kabakova, J. Ruberti, J. Sherwood, I. Dunlop, C. Paterson, P. Török
{"title":"Brillouin spectroscopy is insensitive to stiffness after correcting for the influence of water content in hydrogels (Conference Presentation)","authors":"D. Overby, Pei-Jung Wu, I. Kabakova, J. Ruberti, J. Sherwood, I. Dunlop, C. Paterson, P. Török","doi":"10.1117/12.2507841","DOIUrl":"https://doi.org/10.1117/12.2507841","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114816882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
In vivo measurements of normal, keratoconic, and post crosslinked keratoconic human cornea with optical coherence elastography (Conference Presentation) 用光学相干弹性成像技术在体内测量正常、角膜移植和交联后角膜移植的人角膜(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-13 DOI: 10.1117/12.2507996
Matthew R. Ford, Ibrahim Seven, W. Dupps, Vinicius S. DeStefano
{"title":"In vivo measurements of normal, keratoconic, and post crosslinked keratoconic human cornea with optical coherence elastography (Conference Presentation)","authors":"Matthew R. Ford, Ibrahim Seven, W. Dupps, Vinicius S. DeStefano","doi":"10.1117/12.2507996","DOIUrl":"https://doi.org/10.1117/12.2507996","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114199704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Passive elastography: from organ to cell (Conference Presentation) 被动弹性成像:从器官到细胞(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2516534
S. Catheline
{"title":"Passive elastography: from organ to cell (Conference Presentation)","authors":"S. Catheline","doi":"10.1117/12.2516534","DOIUrl":"https://doi.org/10.1117/12.2516534","url":null,"abstract":"Elastography, sometimes referred as seismology of the human body, is an imaging modality recently implemented on medical ultrasound systems. It allows to measure shear waves within soft tissues and gives a tomography reconstruction of the shear elasticity. This elasticity map is useful for early cancer detection. A general overview of this field is given in the first part of the presentation as well as latest developments. The second part, is devoted to the application of time reversal or noise correlation technique in the field of elastography. The idea, as in seismology, is to take advantage of shear waves naturally present in the human body due to muscles activities to construct shear elasticity map of soft tissues. It is thus a passive elastography approach since no shear wave sources are used. In the third part some examples are provided using ultrasounds, MRI or optic to detect shear waves and reconstruct a speed tomography in a human liver, thyroid, brain, in a mouse eye and a single cell.","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127088393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Ex vivo measurement of biaxial strain distribution in articular cartilage with optical coherence tomography (Conference Presentation) 光学相干断层扫描在体外测量关节软骨双轴应变分布(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2509681
Brecken J. Blackburn, M. Motavalli, Matthew R. Ford, J. Welter, J. Mansour, A. Rollins
{"title":"Ex vivo measurement of biaxial strain distribution in articular cartilage with optical coherence tomography\u0000 (Conference Presentation)","authors":"Brecken J. Blackburn, M. Motavalli, Matthew R. Ford, J. Welter, J. Mansour, A. Rollins","doi":"10.1117/12.2509681","DOIUrl":"https://doi.org/10.1117/12.2509681","url":null,"abstract":"Introduction: Optical coherence tomography (OCT) is a high-resolution imaging modality which can be used to acquire detailed elastograms of biological tissue. In this investigation, we demonstrate the use of OCT to generate µm-scale strain maps of articular cartilage (AC) under compressive and shear deformations. AC is a dense connective tissue which provides a low-friction surface in synovial joints. The specific alignment of collagen fibrils and proteoglycans (which contribute primarily to shear and compressive stiffness, respectively) give rise to depth-dependent mechanical properties. \u0000\u0000Methods: Six 6mm diameter samples of articular cartilage were harvested from a calf femur. A custom-designed biaxial loading apparatus applied compressive and shear displacements. Three-dimensional images of the tissue were obtained using a spectral-domain OCT system as the sample was loaded at constant rate of displacement. Both speckle-tracking and phase-shift methods were used to generate strain maps from these images. \u0000\u0000Results: Under both shear and compressive loading, clear differences in local strain distribution were observed between the superficial, transitional, and radial zones of the cartilage. In shear, the superficial/transitional zones are stiffest while in compression these regions are more compliant than the radial zone. These distributions correspond with existing literature and the known orientation of collagen in the AC. \u0000\u0000Conclusion: It is feasible to rapidly acquire strain maps in AC using OCT. This technique may be extended to high-throughput screening to nondestructively determine the functionality and failure modes of engineered AC as compared to native tissue.","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129832983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Manual compression for hand-held 3D quantitative micro-elastography of human breast tissue (Conference Presentation) 手持式人体乳腺组织三维定量微弹性成像的手动压缩(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2509367
J. Anstie, Brooke Krajancich, L. Chin, L. Frewer, Qi Fang, Philip Wijesinghe, A. Curatolo, B. Kennedy
{"title":"Manual compression for hand-held 3D quantitative micro-elastography of human breast tissue (Conference Presentation)","authors":"J. Anstie, Brooke Krajancich, L. Chin, L. Frewer, Qi Fang, Philip Wijesinghe, A. Curatolo, B. Kennedy","doi":"10.1117/12.2509367","DOIUrl":"https://doi.org/10.1117/12.2509367","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128956584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Real-time viscosity-based monitoring of blood coagulation by optical coherence elastography (Conference Presentation) 基于光学相干弹性成像的血液凝固实时粘度监测(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2510531
Junxiao Yu, Jiang Zhu, Xiangqun Xu, Zhongping Chen
{"title":"Real-time viscosity-based monitoring of blood coagulation by optical coherence elastography (Conference Presentation)","authors":"Junxiao Yu, Jiang Zhu, Xiangqun Xu, Zhongping Chen","doi":"10.1117/12.2510531","DOIUrl":"https://doi.org/10.1117/12.2510531","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124849130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Non-invasive determination of retinal temperature through stimulated laser speckle imaging (sLSI) (Conference Presentation) 利用受激激光散斑成像(sLSI)无创测定视网膜温度(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2509841
S. Kirkpatrick, N. Sevilla, I. Saytashev, J. Ramella-Roman
{"title":"Non-invasive determination of retinal temperature through stimulated laser speckle imaging (sLSI) (Conference Presentation)","authors":"S. Kirkpatrick, N. Sevilla, I. Saytashev, J. Ramella-Roman","doi":"10.1117/12.2509841","DOIUrl":"https://doi.org/10.1117/12.2509841","url":null,"abstract":"Monitoring of the human retina temperature may be useful in the determination of its metabolic state, in the study of environmental damage, and for providing feedback during laser surgery. Due to its location the retina is inaccessible to contact temperature measurements and to standard thermal imaging. Here, we propose the use of a stimulated laser speckle imaging (sLSI) system to monitor thermal deformations in the retina and thus infer retina ground temperature. Our system utilizes laser speckle imaging in combination with a stimulating laser scanning system altering the speckle pattern. Measurements of time dependent speckle cross-correlation along with instantaneous and cumulative speckle shifts are related to the sample temperature. Temperature measurements of optical phantoms and biological media have been achieved and validated through thermocouple measurements of sample temperature.","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121630926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The application of interferometric imaging in quantitative mechanobiology (Conference Presentation) 干涉成像在定量力学生物学中的应用(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2516343
P. So
{"title":"The application of interferometric imaging in quantitative mechanobiology (Conference Presentation)","authors":"P. So","doi":"10.1117/12.2516343","DOIUrl":"https://doi.org/10.1117/12.2516343","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124713616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A framework for analyzing resolution in optical coherence elastography (Conference Presentation) 光学相干弹性成像分辨率分析框架(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2509030
Matt S. Hepburn, Philip Wijesinghe, L. Chin, B. Kennedy
{"title":"A framework for analyzing resolution in optical coherence elastography (Conference Presentation)","authors":"Matt S. Hepburn, Philip Wijesinghe, L. Chin, B. Kennedy","doi":"10.1117/12.2509030","DOIUrl":"https://doi.org/10.1117/12.2509030","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133640376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A finger-mounted palpation-mimicking probe for optical coherence elastography (Conference Presentation) 一种用于光学相干弹性成像的手指式触诊模拟探针(会议报告)
Optical Elastography and Tissue Biomechanics VI Pub Date : 2019-03-04 DOI: 10.1117/12.2509031
R. Sanderson, Philip Wijesinghe, A. Curatolo, L. Chin, B. Kennedy
{"title":"A finger-mounted palpation-mimicking probe for optical coherence elastography (Conference Presentation)","authors":"R. Sanderson, Philip Wijesinghe, A. Curatolo, L. Chin, B. Kennedy","doi":"10.1117/12.2509031","DOIUrl":"https://doi.org/10.1117/12.2509031","url":null,"abstract":"","PeriodicalId":348521,"journal":{"name":"Optical Elastography and Tissue Biomechanics VI","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125113026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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