Results 21 to 30 of about 4,279 (175)

Photoacoustic tomography and sensing in biomedicine [PDF]

open access: yes, 2009
Photoacoustics has been broadly studied in biomedicine, for both human and small animal tissues. Photoacoustics uniquely combines the absorption contrast of light or radio frequency waves with ultrasound resolution.
Li, Changhui, Wang, Lihong V.
core   +2 more sources

Quantitative photoacoustic integrating sphere (QPAIS) platform for absorption coefficient and Grüneisen parameter measurements: Demonstration with human blood

open access: yesPhotoacoustics, 2017
Quantitative photoacoustic imaging in biomedicine relies on accurate measurements of relevant material properties of target absorbers. Here, we present a method for simultaneous measurements of the absorption coefficient and Grüneisen parameter of small ...
Yolanda Villanueva-Palero   +3 more
doaj   +1 more source

In vivo sub-femtoliter resolution photoacoustic microscopy with higher frame rates [PDF]

open access: yes, 2015
Microscopy based on non-fluorescent absorption dye staining is widely used in various fields of biomedicine for 400 years. Unlike its fluorescent counterpart, non-fluorescent absorption microscopy lacks proper methodologies to realize its in vivo ...
Cheng, Yu-Hsiang   +5 more
core   +1 more source

Listening to laser light interactions with objects of art: a novel photoacoustic approach for diagnosis and monitoring of laser cleaning interventions

open access: yesHeritage Science, 2020
Photoacoustic (PA) imaging is a novel, rapidly expanding diagnostic technique, which has been predominately developed in the context of contemporary biomedical research studies.
George J. Tserevelakis   +2 more
doaj   +1 more source

Cylindrical illumination with angular coupling for whole-prostate photoacoustic tomography [PDF]

open access: yes, 2019
Current diagnosis of prostate cancer relies on histological analysis of tissue samples acquired by biopsy, which could benefit from real-time identification of suspicious lesions.
Bungart, Brittani   +9 more
core   +1 more source

Discrete Imaging Models for Three-Dimensional Optoacoustic Tomography using Radially Symmetric Expansion Functions [PDF]

open access: yes, 2014
Optoacoustic tomography (OAT), also known as photoacoustic tomography, is an emerging computed biomedical imaging modality that exploits optical contrast and ultrasonic detection principles.
Er Oraevsky   +5 more
core   +1 more source

Nanomedicine‐Enabled Photonic Thermogaseous Cancer Therapy

open access: yesAdvanced Science, 2020
Local photothermal hyperthermia for tumor ablation and specific stimuliresponsive gas therapy feature the merits of remote operation, noninvasive intervention, and in situ tumor‐specific activation in cancer‐therapeutic biomedicine.
Haohao Yin   +9 more
doaj   +1 more source

Breakthroughs in Photonics 2013: Photoacoustic Tomography in Biomedicine [PDF]

open access: yes, 2014
Photoacoustic tomography (PAT) is one of the fastest growing biomedical imaging modalities in the last decade. Building on its high scalability and complementary imaging contrast to other mainstream modalities, PAT has gained substantial momentum in both
Wang, Lihong V., Yao, Junjie
core   +1 more source

Image Enhancement and Noise Reduction Using Modified Delay-Multiply-and-Sum Beamformer: Application to Medical Photoacoustic Imaging

open access: yes, 2018
Photoacoustic imaging (PAI) is an emerging biomedical imaging modality capable of providing both high contrast and high resolution of optical and UltraSound (US) imaging.
Mahloojifar, Ali   +2 more
core   +1 more source

Photoacoustic Microscopy and Computed Tomography: From Bench to Bedside [PDF]

open access: yes, 2014
Photoacoustic imaging (PAI) of biological tissue has seen immense growth in the past decade, providing unprecedented spatial resolution and functional information at depths in the optical diffusive regime.
Gao, Liang, Wang, Lihong V.
core   +1 more source

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