Piezoelectric materials turn mechanical stress into electrical energy, and vice versa. In 1997, researchers developed piezoelectric materials that were 10 times better at coupling electrical and mechanical responses than prior state-of-the-art materials. But even scientists did not understand why the newer materials were so responsive. Now, scientists at the Department of Energy’s Oak Ridge National […]
Ultrasonography is now the most widely used imaging method in medicine. But it also contains some disadvantages: for example, the fine detail of the generated images is low; the results are also dependent on the experience of the examiner. Another shortcoming is the lack of reproducibility of the images. In order to eliminate these disadvantages, […]
Rice University students have created a prototype of a device to monitor the pulse and oxygen levels of a fetus undergoing endoscopic fetal surgery in a mother’s womb. The WombOx team of senior engineering students worked in close collaboration with the Texas Children’s Fetal Center to create their device, which miniaturizes the components found in […]
The development of an artificial placenta – used successfully in premature lambs – could revolutionize the treatment of extreme prematurity. Researchers at the University of Michigan are working to improve survival rates in the tiniest, most premature babies in a ground-breaking way: through an artificial placenta that mimics the womb. The technology hasn’t reached a […]
Physicians are prescribing more opioid painkillers than ever before to patients undergoing common surgeries, according to new research from the department of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania. Their work is published online simultaneously with a major new guideline from the Centers for Disease Control and […]
Scientists have developed a handheld optical scanner with the potential to offer breast cancer imaging in real time. The device, developed primarily at Florida International University, uses a near-infrared laser diode source to produce an image of the breast tissues. One advantage of the device is that it is more adaptable to breast shape and […]
Twice as many patients with non-serious injuries, such as fractures or neck strain, are undergoing CT scans in emergency departments at California hospitals, according to a UCSF-led study, which tracked the use of the imaging from 2005 to 2013. While CT scans enable clinicians to swiftly pinpoint life-threatening conditions, exposure to its ionizing radiation is […]
Researchers at the University of Arizona are developing a non-invasive brain-scanning technology that could produce images far superior to those obtained with the most commonly used systems – electroencephalography and functional magnetic resonance imaging. The technique, which incorporates sound waves to measure electrical activity in neural tissue, could improve diagnosis and treatment of many disorders, […]
Among patients experiencing some symptoms of depression, the use of a web-based guided self-help intervention reduced the incidence of major depressive disorder over 12 months compared with enhanced usual care, according to a study. Major depressive disorder (MDD) is a common condition associated with substantial illness and economic costs. It is projected that MDD will […]
An outcomes study led by Alexi Wright, MD, MPH, a researcher and a gynecological oncologist in the Susan F. Smith Center for Women’s Cancers at Dana-Farber, surveyed families of older patients who had died of advanced lung and colorectal cancer, asking what factors were associated with ‘excellent’ end-of-life care for their loved ones. The families […]
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