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A new approach to stroke treatment initially developed by Dr. Jeffrey Saver's group at the UCLA Stroke Center combines the ability to restore circulation and remove clots using only a single device ... and it's showing significant promise in trials. In a study comparing the Covidien Solitaire FR Revascularization Device with the FDA-approved Merci Retriever, the device successfully and safely treated roughly 60 percent of stroke patients, compared to roughly 30 percent when the Merci Retriever was used. Read More
Soon, you may never have to play Russian roulette with potato salad again. Instead of just hoping that E. coli bacteria aren't present in your foods or drinks, you could instead use your mobile phone to find out for sure. That phone would have to be equipped with a bacteria-detecting scanner, which researchers from the UCLA Henry Samueli School of Engineering and Applied Science recently created - in a prototype version, for now. Read More
UCLA researchers are reporting a milestone in the therapeutic use of stem cells after two legally blind patients who received transplants of specialized retinal cells derived from human embryonic stem cells reported a modest improvement in their vision. Monitoring of the patients’ progress over a four month period also found no safety concerns, signs of rejection or abnormal cell growth. The researchers are claiming that the success of the procedure could pave the way for a new therapy to treat eye diseases. Read More
Neuroscientists have long pondered the mechanism behind learning and memory formation in the human brain. On the cellular level, it's generally agreed that we learn when stimuli are repeated frequently enough that our synapses - the gap-connections between neurons - respond and become stronger. Now, a team of UCLA neuro-physicists has discovered that this change in synaptic strength actually has an optimal "rhythm," or frequency, a finding that could one day lead to new strategies for treating learning disabilities. Read More
While financial contributions are certainly a great help to health care practitioners in developing nations, one of the things that they really need is rugged, portable, low-cost medical equipment that is compatible with an often-limited local infrastructure. Several such devices are currently under development, such as a battery-powered surgical lamp, a salad-spinner-based centrifuge, and a baby-warmer that utilizes wax. UCLA is now working on another appropriate technology in the form of a small, inexpensive microscope that uses holograms instead of lenses to image what can't be seen by the human eye. Read More
While there have been some intriguing developments recently in the field of stretchable electronics and flexible OLED displays, one thing we haven't heard much about is stretchable displays. So, is it possible to make a screened device in which every part of it could be stretched? The answer could now be yes, with news that researchers from UCLA's Henry Samueli School of Engineering and Applied Science have demonstrated a stretchable polymer light-emitting device. Read More
Carbon-based organic photovoltaic cells, which use organic polymers or small molecules as semiconductors, are significantly thinner and cheaper than their inorganic silicon-based counterparts. Unfortunately, they are also much less efficient at converting sunlight into electricity. That could be on its way to changing, however, as an international team of researchers have reportedly boosted the efficiency of organic photovoltaic cells by 20 percent ... with some help from gold nanoparticles. Read More
The World Health Organization has projected that by 2020, major depression will be the second-most significant cause for disability in the world, after heart disease. Along with psychotherapy, the disorder is usually treated using antidepressant drugs. There is often a frustrating trial-and-error period involved in finding the right drug for the right person, however, while side effects can include obesity, sexual dysfunction, and fatigue ... to name a few. Los Angeles-based company NeuroSigma is now looking into an alternative drug-free therapy, that could ultimately incorporate electrodes implanted under the patient’s skin. Read More
In a move that gives cautious hope to the millions of people suffering some form of paralysis, a team of researchers from UCLA, Caltech and the University of Louisville has given a man rendered paralyzed from the chest down after a hit-and-run accident in 2006 the ability to stand and take his first tentative steps in four years. The team used a stimulating electrode array implanted into the man’s body to provide continual direct electrical stimulation to the lower part of the spinal cord that controls movement of the hips, knees, ankles and toes, to mimic the signals the brain usually sends to initiate movement. Read More
While conducting research into brain-gut interactions, a team led by researchers from UCLA and the Veterans Administration may have inadvertently stumbled across a new treatment for hair loss. During an investigation into the affect of stress on gastrointestinal function, the researchers believe they may have found a chemical compound that induces hair growth by blocking a stress-related hormone associated with hair loss. Read More