Výsledky vyhledávání - "ocis:(170.6960) Tomography"

Multispectral, non-contact diffuse optical tomography of healthy human finger joints

Autor: Daniel Lighter, Andrew Filer, Jim Hughes, Iain B. Styles, Hamid Dehghani

Publikováno v: Biomedical Optics Express

Rheumatoid arthritis (RA) is an inflammatory joint disease often affecting the hands, which if untreated causes disability. Diffuse optical tomography (DOT) provides information about the underlying functional properties of biological tissue. To dete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab98de18ac10368e5c0aca162f309c71
http://europepmc.org/articles/PMC5905898

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Geometrically complex 3D-printed phantoms for diffuse optical imaging

Autor: Danial Chitnis, Melissa Persad, Jeremy C. Hebden, Samuel Powell, Laura A. Dempsey

Publikováno v: Biomedical Optics Express

Tissue-equivalent phantoms that mimic the optical properties of human and animal tissues are commonly used in diffuse optical imaging research to characterize instrumentation or evaluate an image reconstruction method. Although many recipes have been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37abca90110e913402fded9c78d35b8e
http://europepmc.org/articles/PMC5480578

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X-ray phase microtomography with a single grating for high-throughput investigations of biological tissue

Autor: Alexander Hipp, Christoph Rau, Christian David, Andrew C. Cook, Christian Grünzweig, Joan Vila-Comamala, Daniel Dilg, Marie-Christine Zdora, Georg Schulz, Irene Zanette, Pierre Thibault, Anna Khimchenko

Publikováno v: Zdora, M, Vila-comamala, J, Schulz, G, Khimchenko, A, Hipp, A, Cook, A C, Dilg, D, David, C, Grünzweig, C, Rau, C, Thibault, P & Zanette, I 2017, ' X-ray phase microtomography with a single grating for high-throughput investigations of biological tissue ', Biomedical Optics Express, vol. 8, no. 2, pp. 1257 . https://doi.org/10.1364/BOE.8.001257
Biomedical Optics Express

The high-throughput 3D visualisation of biological specimens is essential for studying diseases and developmental disorders. It requires imaging methods that deliver high-contrast, high-resolution volumetric information at short sample preparation an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb476768de7928a6989b35f4cc5deba3
http://hdl.handle.net/11368/2977536

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High resolution three-dimensional photoacoutic tomography with CCD-camera based ultrasound detection

Autor: Nuster, Robert, Slezak, Paul, Paltauf, Guenther

Publikováno v: Biomedical Optics Express

A photoacoustic tomograph based on optical ultrasound detection is demonstrated, which is capable of high resolution real-time projection imaging and fast three-dimensional (3D) imaging. Snapshots of the pressure field outside the imaged object are t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::475e42f406702609e3ef3746349a59ef
http://europepmc.org/articles/PMC4132994

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Combined hemoglobin and fluorescence diffuse optical tomography for breast tumor diagnosis: a pilot study on time-domain methodology

Autor: Huijuan Zhao, Yiming Lu, Limin Zhang, Xi Yi, Linhui Wu, Feng Gao, Xin Wang, Jiao Li, Zhongxing Zhou, Weiting Chen, Wei Zhang

Publikováno v: Biomedical Optics Express

A combined time-domain fluorescence and hemoglobin diffuse optical tomography (DOT) system and the image reconstruction methods are proposed for enhancing the reliability of breast-dedicated optical measurement. The system equipped with two pulsed la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edce4253edf19060386956e91526c1fe
http://europepmc.org/articles/PMC3567719

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Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system

Autor: Chitnis, Danial, Cooper, Robert J., Dempsey, Laura, Powell, Samuel, Quaggia, Simone, Highton, David, Elwell, Clare, Hebden, Jeremy C., Everdell, Nicholas L.

Publikováno v: Chitnis, D, Cooper, R J, Dempsey, L, Powell, S, Quaggia, S, Highton, D, Elwell, C, Hebden, J C & Everdell, N L 2016, ' Functional imaging of the human brain using a modular, fibre-less, high-density diffuse optical tomography system ', Biomedical Optics Express, vol. 7, no. 10, pp. 4275-4288 . https://doi.org/10.1364/BOE.7.004275
Biomedical Optics Express

We present the first three-dimensional, functional images of the human brain to be obtained using a fibre-less, high-density diffuse optical tomography system. Our technology consists of independent, miniaturized, silicone-encapsulated DOT modules th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::aed1758963e38121472cf033f2011340
https://www.pure.ed.ac.uk/ws/files/64320376/boe_7_10_4275.pdf

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Compressive sensing based reconstruction in bioluminescence tomography improves image resolution and robustness to noise

Autor: Kenneth M. Tichauer, Hector R. A. Basevi, Frederic Leblond, Robert W. Holt, Hamid Dehghani, James A. Guggenheim, Iain B. Styles

Publikováno v: Biomedical Optics Express

Bioluminescence Tomography attempts to quantify 3-dimensional luminophore distributions from surface measurements of the light distribution. The reconstruction problem is typically severely under-determined due to the number and location of measureme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3dcf4f455d76677eb3d28103c91cb43
http://europepmc.org/articles/PMC3447555

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Nondestructive volumetric imaging of tissue microstructure with benchtop x-ray phase-contrast tomography and critical point drying

Autor: Qiaofeng Xu, Jovan G. Brankov, Alfred Garson, Wei Zhou, Mark A. Anastasio, Adam M. Zysk, Miles N. Wernick, Jerome R. Kuszak, Eric M. Brey

Publikováno v: Biomedical Optics Express

The in vitro investigation of many optically opaque biological microstructures requires 3D analysis at high resolution over a large field of view. We demonstrate a new nondestructive volumetric imaging technique that eliminates the structural and com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07f8ad148c9c881dc9447ca3dda1e94e
http://europepmc.org/articles/PMC3409710

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Photoacoustic image reconstruction from few-detector and limited-angle data

Autor: Huabei Jiang, Lei Yao

Publikováno v: Biomedical Optics Express

Photoacoustic tomography (PAT) is an emerging non-invasive imaging technique with great potential for a wide range of biomedical imaging applications. However, the conventional PAT reconstruction algorithms often provide distorted images with strong

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7fcde1531a004f4a6d52dedaa94e12f
http://europepmc.org/articles/PMC3184873

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Magneto-photo-acoustic imaging

Autor: Kimberly A. Homan, Yun Sheng Chen, Ryan L. Truby, Mohammad Mehrmohammadi, Srivalleesha Mallidi, Pratixa P. Joshi, Konstantin V Sokolov, Min Qu, Stanislav Emelianov

Publikováno v: Biomedical Optics Express

Magneto-photo-acoustic imaging, a technique based on the synergy of magneto-motive ultrasound, photoacoustic and ultrasound imaging, is introduced. Hybrid nanoconstructs, liposomes encapsulating gold nanorods and iron oxide nanoparticles, were used a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07543b74a2c11cd329d285f32de5803c
http://europepmc.org/articles/PMC3038453

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