Results 41 to 50 of about 23,505 (259)
Freehand scanning photoacoustic microscopy with simultaneous localization and mapping
Photoacoustics, 2022 Optical-resolution photoacoustic microscopy offers high-resolution, label-free hemodynamic and functional imaging to many biomedical applications. However, long-standing technical barriers, such as limited field of view, bulky scanning probes, and slow ...
Jiangbo Chen +4 more
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In vivo demonstration of reflection artifact reduction in photoacoustic imaging using synthetic aperture photoacoustic-guided focused ultrasound (PAFUSion) [PDF]
, 2016 Reflection artifacts caused by acoustic inhomogeneities are a critical problem in epi-mode biomedical photoacoustic imaging. High light fluence beneath the probe results in photoacoustic transients, which propagate into the tissue and reflect back from ...
Steenbergen, Wiendelt +6 more
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Semantic segmentation of multispectral photoacoustic images using deep learning
Photoacoustics, 2022 Photoacoustic (PA) imaging has the potential to revolutionize functional medical imaging in healthcare due to the valuable information on tissue physiology contained in multispectral photoacoustic measurements.
Melanie Schellenberg +9 more
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Recovery of photoacoustic images based on accurate ultrasound positioning
Visual Computing for Industry, Biomedicine, and Art, 2021 Photoacoustic microscopy is an in vivo imaging technology based on the photoacoustic effect. It is widely used in various biomedical studies because it can provide high-resolution images while being label-free, safe, and harmless to biological tissue ...
Yinhao Pan +5 more
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A Skull-Removed Chronic Cranial Window for Ultrasound and Photoacoustic Imaging of the Rodent Brain
Frontiers in Neuroscience, 2021 Ultrasound and photoacoustic imaging are emerging as powerful tools to study brain structures and functions. The skull introduces significant distortion and attenuation of the ultrasound signals deteriorating image quality.
Xuanhao Wang +9 more
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Photoacoustics, 2023 Simultaneous spatio-temporal description of tumor microvasculature, blood-brain barrier, and immune activity is pivotal to understanding the evolution mechanisms of highly aggressive glioblastoma, one of the most common primary brain tumors in adults ...
Jinde Zhang +8 more
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Calcium Sensor for Photoacoustic Imaging
Journal of the American Chemical Society, 2017 We introduce a selective and cell-permeable calcium sensor for photoacoustics (CaSPA), a versatile imaging technique that allows for fast volumetric mapping of photoabsorbing molecules with deep tissue penetration. To optimize for Ca2+-dependent photoacoustic signal changes, we synthesized a selective metallochromic sensor with high extinction ...
Sheryl Roberts +17 more
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Photoacoustics for molecular imaging and therapy [PDF]
Physics Today, 2009 Sound waves generated by light are the basis of a sensitive medical imaging technique with applications to cancer diagnosis and treatment.
Emelianov, Stanislav Y. +2 more
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Machine-Learning-Based Real-Time Photoacoustic Surface Crack Detection
Engineering Proceedings, 2023 Photoacoustic imaging is commonly utilized in biomedical research due to its capability to provide the functional and structural details of imaging targets, featuring optical contrast and ultrasound resolution.
Abdulrhman Alshaya +2 more
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, 2023 International audienceWe present a method and setup that provide complementary three-dimensional (3D) images of blood oxygenation (via quantitative photoacoustic imaging) and blood flow dynamics (via ultrasound Doppler).
Arnal, Bastien +2 more
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