Quantitative photoacoustic tomography (QPAT) is a medical imaging technique that combines laser-induced photoacoustic signals and ultrasound detection to create detailed three-dimensional images of biological tissues. The ...
Optics & Photonics
Jan 11, 2024
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29
Small vessel vasculitis—inflammation of the small blood vessels—appears as a stain of tiny, red dots covering the skin that, depending on the severity, can evolve into painful pustules or ulcers. In some patients, it ...
Optics & Photonics
Jul 30, 2018
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3
Photoacoustic imaging generates ultrasound waves by irradiating biological tissues with pulses or modulated continuous lasers. Ultrasound sensors are used to capture ultrasound signals in a distributed manner. Then, the light ...
Optics & Photonics
Jun 30, 2022
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31
Purdue University researchers are developing a novel biomedical imaging system that combines optical and ultrasound technology to improve diagnosis of life-threatening diseases.
Optics & Photonics
Aug 28, 2018
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13
Magnetic resonance imaging (MRI) visualizes internal body structures, often with the help of contrast agents to enhance sensitivity. A Belgian team of scientists has now developed a bimodal contrast agent suited for two imaging ...
Materials Science
Aug 6, 2019
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9
A team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a high-sensitivity differential Helmholtz photoacoustic cell and successfully applied it to methane detection.
Optics & Photonics
Sep 28, 2022
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1
An agent for enhancing the contrast of photoacoustic imaging—an emerging imaging modality that involves 'listening' to the sound generated by laser light—has been developed by A*STAR researchers.
Materials Science
Sep 21, 2016
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9
