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Tag: "button" at biology news

New defibrillator signals doctor of patient's irregular heartbeat or device malfunction

...website. "The patient doesn't have to press any button or call the doctor to activate the system," said cardiac electrophysiologist Dr. Niraj Varma, associate professor of medicine, division of cardiology, Loyola University Chicago Stritch School of Medicine, and director of the cardiac electrophysiology...

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections

... labeled with red quantum dots. Click on the start button to see how much the protein fades compared with the quantum dots over a period of 10 minutes. By comparison, the new quantum dot method takes one to two hours and is even more sensitive than real time PCR. "It can detect the presence of RSV within a...

Nano machine switches between biological and silicon worlds

...gnal. It works both ways. "The light switch, the button that makes a retractable pen, all these are actuators, and by developing a molecular switch we've created a tiny actuator that could be used in an equally vast number of applications," says Firman. The number of potential applications is staggering....

Oops! Researchers publish new findings on the brain's response to costly mistakes

... a deadline of a few hundred milliseconds, press a button corresponding to one of two alphabetic letter pairs. They were instructed to determine which letter was the odd one out in a series of other letters. Some of the letter sequences were more confusing than others. They received immediate feedback telli...

Mushrooms as good an antioxidant source as more colorful veggies

... brown, are otherwise similar to the popular white button mushroom, the one mostly commonly consumed in the U.S. The white button mushroom has an ORAC value of 6.9, above tomato, green pepper, pumpkin, zucchini, carrot, and green ...

UCSD study reveals how plants respond to elevated carbon dioxide

...e you can figure out what it will do when you push button A or pull lever B."...

Brain fends off distractions

...en and the study subjects had to intend to press a button for a number of these words (for example, mango). Mango is referred to here as an ´intended´ word. Peach is a very similar word and can confuse the study subject. Therefore Veling termed this a distracting word. Sheep has got nothing to do with mango...

Molecular tools make the cut

...en and the study subjects had to intend to press a button for a number of these words (for example, mango). Mango is referred to here as an ´intended´ word. Peach is a very similar word and can confuse the study subject. Therefore Veling termed this a distracting word. Sheep has got nothing to do with mango...

'Juiced-up' battery fueled by sugar could power small portable electronics

...en and the study subjects had to intend to press a button for a number of these words (for example, mango). Mango is referred to here as an ´intended´ word. Peach is a very similar word and can confuse the study subject. Therefore Veling termed this a distracting word. Sheep has got nothing to do with mango...

Neural bottleneck found that thwarts multi-tasking

... even two simple tasks at once, such as pressing a button when a visual stimulus appears and saying a word when a sound is presented. This is known as dual-task interference," Dux, a postdoctoral research associate in the Department of Psychology, said. "We were interested in trying to understand these limi...

Study shows hope for early diagnosis of Alzheimer's

...unds. Patients were asked to respond by pressing a button every time they heard the high frequency tone, also known as the “oddball?tone, which generates ERPs in the EEG. Generally, in the ERP of a person without Alzheimer’s, that response registers a peak, the P300, about 300 milliseconds after the “oddbal...

Modified mushrooms may yield human drugs

...que to genetically modify Agaricus bisporus -- the button variety of mushroom, which is the predominant edible species worldwide. One application of their technology is the use of transgenic mushrooms as factories for producing therapeutic proteins, such as vaccines, monoclonal antibodies, and hormones like...

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