Tag: "battery" at biology news

Beyond batteries: Storing power in a sheet of paper

... simple sheet of black paper. The nanoengineered battery is lightweight, ultra thin, completely flexible, a...ique in that it can function as both a high-energy battery and a high-power supercapacitor, which are generally separate components in most electrical systems....

American Chemical Society's Weekly PressPac -- Aug. 1, 2007

...ommercial chemicals have gone through the complete battery of tests used by the Federal Governments National Toxicology Program in its most thorough toxicology investigations. Arnaud explains how environmental toxicologists are eyeing an attractive alternative the so-called high-throughput screening metho...

Tomorrow's green nanofactories

...ell phones. Unlike traditional semiconductor or battery manufacturing which requires expensive and toxic chemicals, Belchers nanofactories generate little waste, grow at room temperature, and promise to be inexpensive and largely biodegradable. Does all this sound too good to be true" Judge for yoursel...

UF scientists work to develop simple bladder cancer test

...able those who simply have an infection to avoid a battery of screenings that typically include cystoscopy, a painful procedure that uses a small camera threaded through the urethra to image the bladders interior. Such a test also could be used to detect cancer sooner, possibly before its signs even surface....

Reprogrammed fibroblasts identical to embryonic stem cells

...ived. Next, the team ran these cells through a battery of tests, seeing if they could discover any substantial differences between these cells and normal embryonic stem cells. In all tests, both genetic and epigenetic, there were no molecular markers distinguishing these two groups, says Meissner. B...

What causes Alzheimer's? Researchers tie beta-amyloids to brain dysfunction

...more than 150 subjects with PIB PET and a detailed battery of psychometric tests of memory and other brain functions. PET is a highly specialized, noninvasive imaging technique that uses short-lived radioactive substances to produce three-dimensional images of those substances functioning within the body. "W...

Some forest birds can survive in agricultural countryside with limited habitat conservation

...ash glue, they attached a radio-transmitter with a battery life of one-to-three months. The team tagged and tracked a total of 156 birds during the study. "We had a Pathfinder packed with 10 people and gear," he recalled. "A couple times we had people hanging onto the outside. It's lot of fun." The resea...

Study of unexplained respiratory infections leads researchers to new virus

...with respiratory infections. Despite an exhaustive battery of tests, Australian researchers had not been able to link the infections to any known pathogen. Wang's lab used a technique called high throughput DNA sequencing to study patients' nasal secretions. The approach involves chopping up all genetic mat...

Scientists discover rare 'gene-for-gene' interaction that helps bacteria kill their host

...the innate immune system, which is the fast-acting battery of defences that recognise and kill microbes to prevent infections from occurring. "Some remarkable discoveries have been made using insects that have subsequently allowed important advances in understanding how the human immune system works." As...

Study shows tight diabetes control does not impact cognitive ability in type 1 diabetes

...e ability, all patients were given a comprehensive battery of cognitive tests. These tools analyzed abilities in eight domains: problem solving, learning, immediate memory, delayed recall, spatial information, attention, psychomotor efficiency and motor speed. When these tests were repeated during the DCCT o...

Arming the fight against resistant bacteria

... a pencil eraser. They subject each array to a battery of tests, simultaneously testing the potency of each of the compounds against various strains of bacteria, including the dreaded MRSA. In the end, relatively few pass muster - so far, about two percent - but the ability to synthesize and screen su...

Scientists unravel clue in cortisol production

...pens next is well understood; CYP 17, along with a battery of other enzymes, transforms cholesterol into cortisol. But what isn't understood is how this protein binding creates CYP 17, or which proteins are important. So, graduate students Eric Dammer and Adam Leon, along with Marion Sewer, assistant profess...

ACS News Service Weekly PressPac -- March 21, 2007

...hed to the frame. Turning the button activates the battery and dials up the desired color, the researcher says. Ultimately, the sunglasses can be manufactured to resemble the size and shape of regular sunglasses and should cost about the same, Xu said. ARTICLE #6 EMBARGOED FOR: Tuesday, March 27, 9:30 a.m....

Migratory birds: Innocent scapegoats for the dispersal of the H5N1 virus

...mission by wild birds could lead to a reversion to battery farming which increases risk of outbreaks. This would stall the current trend to better animal welfare resulting from free-range agriculture. Maintaining these trends, whilst controlling disease through strong veterinary scrutiny and control of trade...

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

... University in Missouri have developed a fuel cell battery that runs on virtually any sugar source from soft... room temperature to lead to more energy-efficient battery technology than metal-based approaches, says study leader Shelley Minteer, Ph.D., an electrochemist ...

Root beer may be 'safest' soft drink for teeth

... to hear that many of the soft drinks they consume battery acid," Dr. Ross explains. For example, one type of cola ranked 2.39 on the acidscale, compared to battery acid which is 1.0. Researchers concluded that non-colas cause a greater amount of erosion than co...

Microscopic sea creatures provide foundation for gas sensors and other devices

...e detail of the originals, could also be useful as battery electrodes, chemical purifiers and in other appli... such silicon structures can be high. For a given battery size, you could store more power, use it more rapidly or recharge the battery faster by using such s...

Mine runoff continues to provide clues to microbial diversification

...que, utilized in a microbial community thriving in battery acid-like streams underground at Richmond Mine near Redding, Calif., combines recently developed ways to sequence microbial genes with methods to identify the range of proteins from specific microbial members. Researchers from Oak Ridge National La...

UN, industry, others partner to create world standards for e-scrap recycling, harvesting components

...aluable resources in every scrapped product with a battery or plug computers, TVs, radios, wired and wireless phones, MP3 players, navigation-systems, microwave ovens, coffee makers, toasters, hair-dryers, to name but a few are being trashed in rising volumes worldwide. Worse, items charitably sent to deve...

Monitoring with minimum power

... WiFi wont work for this purpose. The units are battery powered, so minimum power consumption is critical but at the same time, continuing coverage is essential. The activities of the units are orchestrated by special operating rules called Media Access Control (MAC) protocols. More than three years of...

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(Date:10/18/2014)... a sample of patients with undiagnosed, suspected genetic conditions, ... with a higher molecular diagnostic yield than traditional molecular ... JAMA . The study is being released to coincide ... , Exome sequencing, which sequences the protein­coding region of ... material present in a cell or organism), has been ...
(Date:10/17/2014)... in German . ... day in order to reproduce? And why are there two ... the latest issue of the research journal Molecular Human ... Steven Ramm from Bielefeld University Bielefeld has compiled this special ... for a female to copulate with several males in quick ...
(Date:10/17/2014)... German . ... When treating overdoses, doctors are often limited to supportive therapy ... is a combination of drugs involved. So what can be ... grandmother,s pills? ETH professor Jean-Christophe Leroux from the Institute of ... to this question. "The task was to develop an agent ...
Breaking Biology News(10 mins):Study examines type of exome sequencing and molecular diagnostic yield 2Study examines type of exome sequencing and molecular diagnostic yield 3Sperm wars 2Emergency aid for overdoses 2Emergency aid for overdoses 3
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