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 ...

This metamaterial lens also displays variable focal length at different frequencies. Our experiment shows the promise of designing compact and light-weight ultrasound imaging elements. The resolution ...

Furthermore, lasers of 1,064 nm wavelength are comparatively economical, and can be used with other commercial ultrasound machines, which bring anticipation of its early clinical applications.

High-intensity focused ultrasound (HIFU) is a breakthrough therapeutic technique used to treat tumors. The principle of this noninvasive, targeted treatment is much like that of focusing sunlight ...

New ultrasound technique is first to image inside live cells. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2016 / 12 / 161221111327.htm ...

WASHINGTON D.C., March 28, 2017 -- High-intensity focused ultrasound (HIFU) is a breakthrough therapeutic technique used to treat tumors. The principle of this noninvasive, targeted treatment is ...

Getting drugs to treat maladies in the brain is hampered by the blood-brain barrier, a protective shield that makes sure only the right chemicals pass through. Ultrasound has become a promising ...

The SWED is also up to 200 times smaller than the ultrasound wavelength employed, which means that it can be used to visualize features that are smaller than one micrometer, leading to what is ...

The first-ever sonic tractor beam that can levitate objects larger than half the wavelength of the ultrasound used has been created by researchers at the University of Bristol, in the UK. The new ...

Ultrasound can levitate large objects. Scientists show that acoustic levitation now works for targets larger than the wavelength. jon fingas. Reporter. Updated Sun, Aug 14, 2016, ...