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December 7th, 2017 by Conn Hastings
Researchers at MIT have developed a living bioink for 3D printing that consists of genetically-modified bacteria and a synthetic hydrogel. The material can be printed in a variety of shapes, including as patches or “tattoos” for the skin, and can sense different chemicals, along with changes in pH and temperature. The researchers hope the technique could provide responsive materials for interactive displays and wearable sensors, including medical technologies such as diagnostic and therapeutic devices or health monitors. Researchers have been trying to 3D print live cells for a while, but...
At last week's RSNA conference in Chicago, we got a chance to learn about Seno Medical Instruments, a San Antonio, Texas company, and its imaging technology that combines conventional ultrasound with a new modality called optoacoustic imaging. We spoke with Dr. Tom Stavros, Medical Director at Seno. The company's Imagio system relies on a duplex probe that looks and acts like a regular ultrasound transducer, but that also emits laser light to simultaneously work as an optoacoustic imaging device. In optoacoustics, laser light is used to add energy to tissue, which...
New TVs were once again one of the bestsellers during the Black Friday sales. But an estimated eight percent of people who might have purchased a new TV this week can't fully enjoy its vibrant 4K Ultra HD, HDR, OLED, melt-your-eyeballs glory because of color blindness. However, if you purchased a Samsung TV, you may be in luck. Samsung, with the help of Budapest University of Technology, has developed an app called SeeColors that will help color blind users assess their visual color spectrum and adjust the color settings on...
Researchers at the University of Pennsylvania have developed an antibacterial resin for dental procedures such as cavity fillings. They hope that the material can provide improved fillings that resist tooth decay and last longer. Conventional materials for dental fillings are prone to being covered in plaque, a sticky biofilm that can lead to tooth decay and filling failure. Researchers at the University of Pennsylvania are working on developing something better. “Dental biomaterials such as these,” said Geelsu Hwang, a researcher involved in the study, “need to achieve two goals: first,...
A stroke is one of the most time-critical medical emergencies. If not treated quickly, a patient can quickly deteriorate as brain cells die from a lack of oxygen. Doctors aim to begin treating stroke patients within an hour from the onset of symptoms, something that is often difficult to do when relying on conventional ambulances. To reduce the time to treatment and increase the likelihood of positive clinical outcomes for stroke victims, a dozen hospitals in the U.S. have developed mobile stroke units. The mobile stroke units are state-of-the-art ambulances...
Heart attacks result in dead myocardial tissue that forms a scar, and so patients are left with a chronically weakened heart. Replacement heart cells or stems cells that can become desired cardiac cells can be grown in the lab and injected into the dead tissue, but it's a major challenge to keep them in place long enough for them to be established as a bonafide part of the heart. Now researchers at the University of Bonn in Germany have reported on a new way of using magnets to lure injected...
Earlier this year, Medgadget spoke with Timon LeDain from Macadamian, a software design and development firm, about My Diabetes Coach, a suite of technologies for pediatric diabetes management being developed in partnership with the Children’s Hospital of Eastern Ontario – Ottawa Children’s Treatment Centre (CHEO – OCTC). My Diabetes Coach was recognized last week as the Runner Up of Novo Nordisk's 2017 HITLAB World Cup of Voice-Activated Technology in Diabetes. On the recognition, LeDain commented that, “Receiving this award is validation to the enormous potential this solution has to make an impact...
Art
The Tech Museum of Innovation, a.k.a. "The Tech" is a special attraction in San Jose, California. With beginnings reaching as far back as 1978, The Tech has grown and evolved with the ever-changing Silicon Valley landscape and has been a de facto showcase for some of the best of Silicon Valley's history and innovation. The museum consists of three floors of interactive, family-friendly exhibits that highlight the significance of technology in daily life, plus an IMAX theater. Many of the exhibits allow you to scan your ticket's barcode, called the...
While PTSD is a significant issue for many of those serving in the military and others who work in traumatic situations, it also affects huge numbers of ordinary people who experience traumatic events such as assaults or natural disasters. Nearly 24 million Americans suffer from PTSD at any given time, and women are twice as likely as men to develop the condition. PTSD can sometimes be overlooked and is reportedly underdiagnosed, but anxiety disorders still cost society approximately $40 billion per year in treatment costs and loss of productivity. A...
Apple has now officially launched its previously announced Apple Heart Study with the release of the Heart Study app. In partnership with Stanford University, the Apple Heart Study aims to see if the Apple Watch can accurately identify arrhythmias with its heart rate tracking technology and notify users of possible atrial fibrillation. Unlike the gold standard electrocardiogram (ECG), which measures the electrical activity in your heart, Apple and most other consumer wearable companies use LED lights flashing hundreds of times per second and light-sensitive photodiodes to detect the amount of blood...
Researchers at the University of Illinois are working on preventing the metastasis of cancer by using nanoparticles laden with drugs to deactivate cancer stem cells. Cancers often spread via cancer stem cells that can reappear and grow new tumors long after a patient has been in remission. The Illini researchers managed to target these cells by having their nanoparticles attach to the protein CD44, one found only on the surface of cancer stem cells. To deactivate the activity of these cells, the drug niclosamide, typically used to treat tapeworms, was...

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