Results 51 to 60 of about 1,759,840 (273)

Portable and Affordable Light Source-Based Photoacoustic Tomography

open access: yesSensors, 2020
Photoacoustic imaging is a hybrid imaging modality that offers the advantages of optical (spectroscopic contrast) and ultrasound imaging (scalable spatial resolution and imaging depth).
Mithun Kuniyil Ajith Singh, Wenfeng Xia
doaj   +1 more source

Whole-Body Photoacoustic Imaging Techniques for Preclinical Small Animal Studies

open access: yesSensors, 2022
Photoacoustic imaging is a hybrid imaging technique that has received considerable attention in biomedical studies. In contrast to pure optical imaging techniques, photoacoustic imaging enables the visualization of optical absorption properties at deeper
Hyunjun Kye   +4 more
doaj   +1 more source

Multimodal system for non-contact photoacoustic imaging, optical coherence tomography, and mid-infrared photoacoustic spectroscopy

open access: yes, 2016
We present a multimodal optical setup, allowing non-contact photoacoustic imaging, optical coherence tomography (OCT), and non-contact mid-infrared photoacoustic spectroscopy. Photoacoustic signals are generated using a Nd:YAG laser and a tunable quantum
Brandstetter, Markus   +6 more
core   +4 more sources

Quantitative photoacoustic imaging of simulated carotid plaques in a neck phantom [PDF]

open access: yes, 2022
Timely, accurate assessment of atherosclerotic plaque composition in the carotid arteries to enable prevention of ischaemic stroke is currently an important topic in medical imaging.
Steenbergen, Wiendelt   +4 more
core   +1 more source

Ingenious Dual Pulse Photoacoustic Tomography in Drug-Responsive Clinical Imaging Perspectives [PDF]

open access: yes, 2023
Detection of the real-time growth rate of cancer and visualization of the effectiveness of chemotherapy using live cell imaging techniques are yet to be invented. However, these could be conducive to monitoring the cancer treatment more precisely. In the
Arijit, Bag, Diyasha, Sen
core   +1 more source

Full-visibility 3D imaging of oxygenation and blood flow by simultaneous multispectral photoacoustic fluctuation imaging (MS-PAFI) and ultrasound Doppler

open access: yes, 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
core   +1 more source

Mitochondria‐Targeted Nanotherapies in Aging Neurodegenerative Disorders: Emerging Prospects and Clinical Potential

open access: yesAdvanced Healthcare Materials, EarlyView.
Mitochondria‐targeted nanotherapies emerge as a promising strategy for combating aging‐associated neurodegenerative disorders (NDs) by restoring mitochondrial function, reducing oxidative stress, and improving neuronal survival. Recent advances in nanotechnology, therapeutic delivery, and translational research are highlighted, providing insights into ...
Dnyandev G. Gadhave   +8 more
wiley   +1 more source

Nonlinear mechanisms in photoacoustics—Powerful tools in photoacoustic imaging

open access: yesPhotoacoustics, 2021
Many nonlinear effects have been discovered and developed in photoacoustic imaging. These nonlinear mechanisms have been explored for different utilizations, such as enhancing imaging contrast, measuring tissue temperature, achieving super-resolution imaging, enabling functional imaging, and extracting important physical parameters. This review aims to
Rongkang Gao   +4 more
openaire   +4 more sources

_In vivo_ photoacoustic molecular imaging with simultaneous multiple selective targeting using antibody-conjugated gold nanorods [PDF]

open access: yes, 2008
The use of gold nanorods for photoacoustic molecular imaging in vivo with simultaneous multiple selective targeting is reported. The extravasation of multiple molecular probes is demonstrated, and used to probe molecular information of cancer cells. This
Ya-Na Wu   +8 more
core  

Computed Tomography‐ and Photoacoustic Imaging‐Active Bioresorbable Electrospun Bismuth Nanoparticle‐Infused Small‐Diameter Vascular Grafts

open access: yesAdvanced Healthcare Materials, EarlyView.
A polymeric graft loaded with radiopaque bismuth nanoparticles is expected to undergo gradual polymer resorption and nanoparticle release. This design enables noninvasive, multimodal monitoring of device integrity, patency, and degradation using computed tomography alongside ultrasound and photoacoustic imaging over 12 weeks.
Allan John R. Barcena   +13 more
wiley   +1 more source

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