(Phys.org) —Photoacoustic imaging is a hybrid biomedical imaging modality, based on the photoacoustic effect, in which non-ionizing laser pulses are delivered into biological tissues. (More specifically, in the photoacoustic ...
Photoacoustic imaging, a technique for examining living materials through the use of laser light and ultrasonic sound waves, has many potential applications in medicine because of its ability to show everything from organs ...
Optics & Photonics
Feb 25, 2020
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292
As a child, it was fascinating to put a flashlight up to our palms to see the light shine through the hand. Washington University in St. Louis engineers are using a similar idea to track movement inside the body's tissues ...
Optics & Photonics
Nov 2, 2014
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Lung cancer can be elusive to spot and difficult to treat because the markers for it are found in other tissues, too. Now, University of Illinois Urbana-Champaign researchers have developed a finely tuned molecular agent ...
Biochemistry
Oct 25, 2021
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61
A quadruple fusion optical and ultrasound imaging system has been developed that allows diagnosis of eye conditions or tumors or to see the environment inside the body using a transparent ultrasound transducer.
Optics & Photonics
Mar 16, 2021
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18
Photoacoustic computed tomography (PACT) is a non-invasive hybrid imaging technique that excites biological tissues with light and detects the subsequently generated ultrasound to form images. PACT combines the advantages ...
Optics & Photonics
Apr 18, 2019
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16
Measuring a fever is usually pretty simple: place a thermometer under a patient's tongue and get an accurate temperature reading within 30 seconds. But that simplicity does not translate when it comes to measuring the temperatures ...
Optics & Photonics
Feb 13, 2019
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107
Researchers have reported an approach to photoacoustic imaging that offers vastly improved resolution, setting the stage for detailed in vivo imaging of deep tissue. The technique is based on computational improvements, so ...
Optics & Photonics
Nov 9, 2017
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28
Biomedical engineers are now able to take a live, holistic look at the inner workings of a small animal with enough resolution to see active organs, flowing blood, circulating melanoma cells and firing neural networks.
Engineering
May 10, 2017
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285
A tiny, transparent device that can fit into a contact lens has a bright future, potentially helping a range of scientific endeavors from biomedicine to geology.
Nanophysics
Feb 13, 2017
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