Latest Photoacoustic Doppler effect Stories

Researchers have developed multiple techniques and procedures to detect cancer cells during the earliest stages of the disease or after treatment. But one of the major limitations of these technologies is their inability to detect the presence of only a few cancer cells. Now, a research collaboration between the University of Missouri-Columbia and Mexico's Universidad de Guanajuato shows that pulsed photoacoustic techniques, which combine the high optical contrast of optical tomography...

Synthetic human tissue aids in testing photoacoustic and ultrasonic imaging technologies The precise blending of tiny particles and multicolor dyes transforms gelatin into a realistic surrogate for human tissue. These tissue mimics, known as "phantoms," provide an accurate proving ground for new photoacoustic and ultrasonic imaging technologies. "The ability to provide phantoms that are capable of mimicking desired properties of soft tissue is critical to advance the development of new,...

A new imaging technique creates detailed three-dimensional images of the deadliest form of skin cancerMelanoma is one of the less common types of skin cancer but it accounts for the majority of the skin cancer deaths (about 75 percent).The five-year survival rate for early stage melanoma is very high (98 percent), but the rate drops precipitously if the cancer is detected late or there is recurrence.So a great deal rides on the accuracy of the initial surgery, where the goal is to remove as...