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Pump in Biological News

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

... be nearly instantaneously modified by a separate pump laser beam incident from above. A sequential ... prisms is created by first allowing the pump beam to pass through a serrated mask. When the pump beam is properly synchronized to the signal beam ...

Complex ocean behavior studied with 'artificial upwelling'

... using the up-and-down motion of waves to pump deep water to the surface. Their next step is to create a pump that can withstand the rigors of the rugged ... "During our first test, the ocean destroyed our pump in one day," said Angelicque "Angel" White, a ...

Children's Hospital leads projects to develop nation's first heart assist devices for young children

... of Health (NIH) to develop an external heart pump designed specifically for small children. VADs ... clinically test, the first external centrifugal pump designed specifically for infants and small ... (ventricular assist system), would be an external pump designed to support pediatric patients in heart ...

Shell Provides Consumers Gasoline Industry's First Pay By Touch Technology at the Pump

... Gasoline Industry's First Pay At The pump Biometric Payment Service CHICAGO, Nov. 1 ... locations.* "What's easier than paying at the pump with your finger? Pay By Touch will help Shell ... is one of the most secure payment methods at the pump or in the Shell retail store. "We are honored to ...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

... Approval for IRIDEX IQ Laser Systems II-48 JDSU Unveils 4900 Series pump Lasers II-48 OmniGuide Launches BeamPath NEURO(TM) CO2 Laser Scalpel ... Laser Light Source II-49 Bookham Unveils Single Emitter-based Laser pump Module II-49 Fianium Expands Supercontinuum Fiber Laser Product Series ...

First trial in patients with a potential treatment of the incurable ALS muscle disease

... the untreated animals, and they lived considerably longer. Using a pump The researchers also investigated what the optimal technique would be ... spinal cord) was quite effective. This was possible by means of a small pump that continuously pumps the VEGF protein in the brain. Furthermore, this ...

What causes cell defenses to crumble?

... . Mussels like the California mussel ( Mytilus californianus ) can pump over 20 litres of water through their gills every hour. The active barrier ... that do not belong in the cell are transported out again - like a bilge pump that pumps water out of a ship," explains Dr Till Luckenbach of the UFZ. ...

Disinfectants can make bacteria resistant to treatment

... to treatment. "Bacteria like Staphylococcus aureus make proteins that pump many different toxic chemicals out of the cell to interfere with their ... strains are found," said Dr Kaatz. "Alternatively, the combination of a pump inhibitor with an antimicrobial agent or biocide will reduce the emergence ...

US fires release large amounts of carbon dioxide

... BOULDER--Large-scale fires in a western or southeastern state can pump as much carbon dioxide into the atmosphere in a few weeks as the state's ... fossil fuel burning throughout California. "Enormous fires like this pump a large amount of carbon dioxide quickly into the atmosphere," Wiedinmyer ...

High blood pressure, low energy -- a recipe for heart failure

... conditions like high blood pressure, which makes the heart work harder to pump blood. In the July issue of Cell Metabolism, Kelly and his colleagues ... alpha developed symptoms of heart failure when their hearts were forced to pump against high pressure. The hearts of normal mice took that pressure ...

Bioethanol's impact on water supply 3 times higher than once thought

... data from 41 states. They found that bioethanol's water requirements can be as high as 861 billion gallons of water from the corn field to the fuel pump in 2007. And a gallon of ethanol may require up to over 2,100 gallons of water from farm to fuel pump, depending on the regional irrigation practice ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... them apart. With this spectrometer, the large biomolecular ions are captured in a trapping field while air is pumped away. Conventional spectrometers pump most of the ions away with the air, making them less sensitive. This mass spectrometer delivers much higher resolution in the high mass range ...

International conference on CO2 sequestration processes

... experts, and make related field trips to spectacular natural sites. The CarbFix project, which uses a radically new process, is designed to pump CO2 from the Hellisheidi geothermal power plant, outside Reykjavik, into a massive basalt formation below. Natural chemical reactions within this ...

Iron and biological production in the high-latitude North Atlantic

... amounts of nitrate persist into the summer period, after the spring bloom has ceased. This represents an inefficiency of the biological carbon pump that is potentially of global significance to the partitioning of carbon between the atmosphere and ocean. Phytoplankton are grazed upon and some ...

Energy-saving method checks refrigerant level in air conditioners

... To accurately learn how much charge is in the system, you have to remove all of the refrigerant and weigh it, a procedure that requires a vacuum pump and is quite time consuming." The new alternative works by using sensors to monitor the temperature of refrigerant at various points along the ...

NIH funds work at WPI on regenerating heart tissue and preventing urinary tract infections

... more effectively. Heart attacks cause significant scaring of cardiac tissue, which in turn prevents the scarred area of the heart from contracting to pump blood. Recent studies by Gaudette and others have shown that when hMSCs are injected into a damaged heart, they help improve cardiac function. ...

Study shows CGM devices also benefit people with type 1 diabetes

... Major eligibility criteria for the study included people over the age of 8 who had type 1 diabetes for at least one year, who either used an insulin pump or took at least three daily insulin injections, and had HbA1c levels below 7.0%. Subjects in the control group were given blood glucose meters and ...

'Beating' heart machine expedites research and development of new surgical tools, techniques

... A new machine developed at North Carolina State University makes an animal heart pump much like a live heart after it has been removed from the animal's body, allowing researchers to expedite the development of new tools and techniques ...

Blood testing, mosquito style

... for longer periods of time or test their blood more frequently, even while they're asleep. Eventually, Mintchev and Kaler hope to integrate a pump system so insulin injections can also become autonomous based on data from the e-Mosquito, thus converting the device into an external artificial ...

Eating fatty fish once a week reduces men's risk of heart failure

... association with the reduced risk of heart failure found in our study." A life-threatening condition that develops when the heart can no longer pump enough blood to meet the body's needs, heart failure (also known as congestive heart failure) is usually caused by existing cardiac conditions, ...

American Chemical Society Weekly PressPac -- April 8, 2009

... data from 41 states. They found that bioethanol's water requirements can be as high as 861 billion gallons of water from the corn field to the fuel pump in 2007. And a gallon of ethanol may require up to over 2,100 gallons of water from farm to fuel pump, depending on the regional irrigation practice ...

Symposium to look at genetic basis of exercise

... few weeks, the person can jog a mile, then two, then three. With regular exercise, the body adapts, becoming fitter and more efficient. The heart can pump more blood, delivering more oxygen to the muscles. The muscles get stronger, and so on. There are individual differences in the ability to adapt ...

Biomedical engineering student recognized as IEEE's 'New Face of Engineering'

... University, State University of New York. His research is focused toward non-invasively and non-pharmacologically stimulating the calf muscle pump -- also referred to as the "second heart" -- to enhance circulation. The contractions of calf muscles help in propelling deoxygenated blood back ...

Engineer devises ways to improve gas mileage

... and global warming. A mechanical engineer at Washington University in St. Louis is developing techniques that will lessen our monetary pain at the pump by reducing the drag of vehicles. Drag is an aerodynamic force that is the result of resistance a body encounters when it moves in a liquid or ...

Scripps scientists create first crystal structure of an intermediate particle in virus assembly

... normal host of the virus. These proteins spontaneously assemble and form the immature particles. In the presence of viral DNA and the enzymes that pump it into the particles, they instantly form a mature coat that engulfs the genes. The study's first author, Ilya Gertsman, a researcher in ...

UC Davis research shows that newly discovered drug reduces heart enlargement

... that a prototype drug reduces heart enlargement, one of the most common causes of heart failure. Heart failure, which occurs when the heart can't pump enough blood throughout the body, affects 5 million people in the United States. The condition contributes to 300,000 deaths each year. The ...

To climate-change worries, add 1 more: Extended mercury threat

... Oak Ridge National Laboratory, respectively. These sites consist of plots in naturally growing forests surrounded by vertical pipes that constantly pump out carbon dioxide and have done so since 1996, for the North Carolina site, and 1998, for the Tennessee site. The systems surround deciduous and ...

AGU journal highlights -- Dec. 31, 2008

... shelf seas were present. Title: Impact of sea-level rise over the last deglacial transition on the strength of the continental shelf CO 2 pump Authors: Tom P. Rippeth, James D. Scourse, and Stephanie McKeown: School of Ocean Sciences, College of Natural Sciences, Bangor University, ...

Reducing the damage of a heart attack

... at Weill Cornell Medical College in New York City. "This process, called fibrosis, causes the heart to become like steel, unable to contract and pump blood throughout the body. The result can be fatal." Myocardial infarction causes 13 percent of deaths worldwide and is the leading cause of ...

Tiny MIT ecosystem may shed light on climate change

... about the size and shape of a microscope slide. Depending on the organism being studied, nutrients or prey are injected with a syringe-based pump into the device's microfluidic channel, which is 45 mm long, 3 mm wide and 50 micrometers deep. "While relying on different swimming strategies, all ...

Managing carbon loss

... GHG problem," says Thelen. "Conversely, this work shows that in the not too distant future, choosing a cellulosic ethanol alternative at the pump may actually result in a net removal of CO 2 from the atmosphere." ...

Using the other guy's toolkit: Similarities of pumping blood, oil examined

... from the University of Houston, to explore synergies in moving oil and pumping blood. Much like moving oil through a pipeline, the heart must pump blood through the body. Both systems need clean, well-functioning pipes (or blood vessels), free of blockages or corrosion, to function with ...

Ship-in-a-bottle kit on a microchip

... with moving parts, our ship-in-a-bottle technique has several advantages," says David Marr. Some scientists use pneumatic systems to pump liquids through microchannels, for example. However, this requires each component to be connected with a separate hose to the outside so that it can ...

Kidney function discovery sheds light on genetic complexity of disease

... was observed to occur in families and the pattern of inheritance suggested that the cause might be due to an inherited abnormality of a specific pump on the surface of kidney cells," Professor Rasko explains. The teams from Centenary Institute, RPA and ANU have now unravelled the genetic ...

Jupiter's shrinking red spot

... rock. Over very long time scales, trapped carbon dioxide will saturate the brine and become mineralized. But what happens in the short term? If you pump carbon dioxide into saline aquifers, will it stay put and mineralize or leak away completely? Neufeld and his colleagues have created a simple ...

Engineer to present leak-proof method for carbon dioxide storage at international conference

... the compressed CO2 directly into a deep underground formation, Bryant offers this alternative: drill wells in the deep, salt-water filled formation, pump out the salt water, dissolve the carbon dioxide into the salt water in a mixing tank at the surface, and then inject the CO2 laden water back into ...

Drug-embedded microparticles bolster heart function in animal studies

... found. Injecting the particles could cut the area of scar tissue formed after the heart attack in half and boost the ability of the heart to pump blood by 10 percent weeks later. The results are published online this week and are scheduled for publication in the Oct/Nov issue of Nature ...

Models of eel cells suggest electrifying possibilities

... the process becomes self-perpetuating, resulting in an electric pulse traveling through the cell. The channels then close and alternate paths open to pump the ions back to their initial concentrations during a resting state. In all, according LaVan, there are at least seven different types of ...

New meat-eating dinosaur from Argentina had bird-like breathing system

... a unique way of breathing. The lungs actually don't expand," Sereno said. Instead, birds have developed a system of bellows, or air sacs, which help pump air through the lungs. It's the reason birds can fly higher and faster than bats, which, like all mammals, expand their lungs in a less efficient ...

Meat-eating dinosaur from Argentina had bird-like breathing system

... have a breathing system that is unique among land animals. Instead of lungs that expand, birds have a system of bellows, or air sacs, which help pump air through the lungs. This novel feature is the reason birds can fly higher and faster than bats, which, like all mammals, expand their lungs in a ...
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