Tag: "electric" at biology news

Brain blood flow gives clues to treating depression

...on. Sometimes electroconvulsive therapyapplying an electric current briefly to produce a seizureis useful, especially for those whose depression is severe or life threatening or for whom repeated treatment trials with antidepressant drugs failed. Interestingly, patients response to two different classes of ...

Carnegie Mellon's Peter Adams receives EPA research grant

...half the nations electricity. But these coal-fired electric plants collectively account for 67 percent of all the sulfur dioxide emissions in the U.S., which is a major precursor of particulate matter. The nations top 50 coal-fired power plants averaged 21.1 pounds of sulfur dioxide per megawatt-hour, compare...

UCLA scientists produce functioning neurons from human embryonic stem cells

... they express, the development of synapses and the electric and chemical communication activities within the synapse network. We will be able to study the cellular properties of neurons in a very defined way that will maybe tell us what goes wrong in diseases such as Alzheimers and Parkinsons, Sun said. We...

UC experts detail new standard for cleaner transportation fuels

...ll evolve (such as E85 filling stations, dedicated electric vehicle charging stations and meters in residences...at in some areas of the state, there would be more electric vehicles; in others more hydrogen, and in still others more biofuel. Consumers will be able to ke...

Cell damage caused by brushing may help keep gums healthy

...the teeth, gums and tongue of rats with a modified electric toothbrush. We saw lots of bright cells, says Dr. Miyake, co-director of the MCG Cell Imaging Core Facility. (W)e suggest that, in addition to its well-know ability to remove bacteria and their harmful products from teeth, brushing may, by causing...

MIT team building robotic fin for submarines

...of the upper and lower edges of the fin. When an electric current is run across the base of the fin, it swee...ke a sunfish fin. By changing the direction of the electric current, the researchers can make the fin curl forward at the upper and lower edges, but it has been...

Boston Univeristy bioengineers devise 'dimmer swith' to regulate gene expression in mammal cells

...tandard parts, as an electrician would to build an electric light switch. Much work in the field to date uses bacteria or yeast, but the Boston University team used more complex mammalian cells, from hamsters and mice. The switch has several new design features that extend possible applications into areas fro...

Call for EU to launch major project to map out all our proteins

...ed after separation, from the relationship between electric charge and mass. As Aebersold noted, the biggest prize of proteomics will be a much simpler and efficient technique for identifying individual proteins within samples, which could eventually have huge diagnostic power as well as application in resear...

Renewable energy wrecks environment

...ded to produce as much energy as one 1000 Megawatt electric (MWe) nuclear plant. To meet 2005 US electricity d...ood size for a Manhattan apartment, could power an electric lamp or two, but not the laundry equipment, microwave oven, plasma TV, and computer. New York City w...

American Chemical Society's Weekly PressPac -- July 18, 2007

...ion of the device, which produces 20-30 times more electric current and is able to generate electricity while immersed in biological fluids or other liquids, using ultrasonic waves as the energy source. It sets a solid foundation for self-powering implantable and wireless nanodevices and nanosystems in bioflu...

Jefferson scientist's patent dramatically improves

...paration -- 2In electrophoresis, solutions conduct electric current necessary to separate negatively charged DNA molecules. DNA is put through jellylike gels, and smaller DNA molecules move more quickly than larger ones as the current passes through. The researchers found, after much experimentation, that lit...

Story tips from the Department of Energy's Oak Ridge National Laboratory

... at greater than 70 percent efficiency compared to electric grid-based systems that operate at about 30 percent efficiency. The system does so by using a high-efficiency gas turbine to produce about 4.5 megawatts of electricity, then capturing the waste heat to produce steam and cooling for the hospital. The ...

News tips from the Journal of Neuroscience

...g the textbook. The authors placed worms within an electric field and observed, as expected, that the worms cr...ns were sensitive to the direction and strength of electric fields as measured by calcium imaging of immobilized worms. The behavior may provide a useful model ...

Discovery could help bring down price of DNA sequencing

... DNA is pulled through the nanopores channel by an electric force, but there also is a resistive force, said Ghosal, sole author of the PRL paper. My idea was that the resistance was coming from fluid friction, which could explain the speed measurements taken in experimental studies. In Ghosals explanation,...

American Chemical Society's Weekly PressPac -- June 20, 2007

...ids, liquids that contain only ions (atoms with an electric charge) and are powerful solvents. Researchers used an ionic liquid that changed nylon-6 into its component compound, captrolactam, and could be recycled and reused multiple times. This is the first example of the use of ionic liquids for effective d...

What's the backscatter of your beer?

...evices that resemble ear phones and that transform electric signals into sound energy placed on opposite sides of a container. Both the backscattered acoustic signals and the acoustic signals that transit the vessel contain useful information about the slurry. The signals from the transducers are digitized a...

MIT researchers reverse symptoms in mice of leading inherited cause of mental retardation

... spine is longer and thinner, and transmits weaker electric signals, than those in non-affected individuals. When the enzymatic activity of PAK was inhibited in the FXS mice, abnormalities in their spine number and structure-as well as the weaker electrical communication between their neurons-were reversed. ...

Electric fish conduct electric duets in aquatic courtship

...iscovered that in the battle of the sexes, African electric fish couples not only use specific electrical sign...eding Brienomyrus brachyistius, a type of mormyrid electric fish, which emit weak electric fields from a batterylike organ in their tails to sense their surroun...

Cancer drug enhances long-term memory

...eagues placed mice in a chamber and gave them mild electric shocks, similar to static electricity shocks that humans can get when they walk across a rug and touch a door knob. Afterward, scientists injected HDAC inhibitors into the brains of mice, targeting the hippocampus, a region involved in short-term and...

Nanocomposite labeled cancer cells can be targeted and destroyed using lasers

...ice can be made in discrete sizes, carry different electric charges and can encapsulate different materials inside. This design offers researchers a wider choice of size, surface functionality and payload than traditional small in vivo devices where the agent is conjugated directly to the surface. A laser c...

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Breaking Biology News(10 mins):Community Information Exchange San Diego Launches Pilot, Secures $1 Million Expansion Grant, and Becomes a "Live Well San Diego" Partner 2Community Information Exchange San Diego Launches Pilot, Secures $1 Million Expansion Grant, and Becomes a "Live Well San Diego" Partner 3Community Information Exchange San Diego Launches Pilot, Secures $1 Million Expansion Grant, and Becomes a "Live Well San Diego" Partner 4Tute Genomics Raises $2.3 Million to Scale Up Cloud-Based Genome Analytics and Accelerate Personalized Medicine 2Tute Genomics Raises $2.3 Million to Scale Up Cloud-Based Genome Analytics and Accelerate Personalized Medicine 3Industrial Security Systems Market Worth $38 Billion by 2020 2Industrial Security Systems Market Worth $38 Billion by 2020 3
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