Tag: "gas" at medical news

Nottingham center to help UK to meet its carbon targets

...1,500 times more space to store the same amount in gas form. Compared to other proposed processes for carbon storage, such as burying carbon under the sea, once the CO2 is locked inside the rock by the CICCS process, it is contained for good and cannot go back to its previous state. This is of paramou...

The future of biofuels is not in corn

...tes show that corn ethanol could reduce greenhouse gas emissions by 18 percent to 28 percent, while cellulosic ethanol is estimated to offer a reduction of 87 percent compared to gasoline. Ethanol is not the solution to revitalizing rural America. While higher commodity prices and cooperatively owned...

The future of biofuels is not in corn

...s that biofuels will not only lower the greenhouse gas emissions that accelerate global warming, but theyre the key to reducing U.S. dependency on foreign oil imports and to revitalizing family farming in rural America. However, according to The Rush to Ethanol a new and comprehensive analysis by Food...

Organic farming can feed the world, U-M study shows

...ional farming also causes soil erosion, greenhouse gas emission, increased pest resistance and loss of biodiversity. For their analysis, researchers defined the term organic as: practices referred to as sustainable or ecological; that utilize non-synthetic nutrient cycling processes; that exclude or r...

Reduced greenhouse gas emissions required to avoid dangerous increases in heat stress

...the 21st century if the current rate of greenhouse gas emissions continues. The study found France would ... The study also showed a reduction in greenhouse gas emissions could reduce the intensification of dangerously hot days projected in the scenario by up t...

Aluminum foil lamps outshine incandescent lights

...asma lamps are glow-discharges in which atoms of a gas are excited by electrons and radiate light. Unlike... fabricated, Park said. Depending upon the type of gas and phosphor used, uniform emissions of any color can be produced. In the researchers preliminary pl...

Doctors, engineers develop new wireless system to detect esophageal reflux

...ue. The sensor is designed to detect stomach acid, gas and water so doctors can determine whether the presence of those substances coincides with feelings of heartburn, the start of eating or other activities. The next step will involve testing in animal models before the system eventually is tested in h...

WFU to host international conference of physicists

... more precise mapping of potential oil and natural gas deposits and improved security at airports and seaports. At the conference, there will be 59 oral presentations in plenary sessions, including 12 keynote speeches by invited speakers, from academia, private industry and governmental research organi...

System to pinpoint airline passengers who contaminate cabins

...oduce body heat, and each has a tube that expels a gas to simulate passengers exhaling. Recreating body heat is important because it affects airflow inside airliners, Chen said. Future work will concentrate on speeding the computation time, with a goal of one day creating a system that alerts pilots in...

UCLA imaging study reveals how pure oxygen harms the brain

...ommend a new approach adding carbon dioxide to the gas mix to preserve brain function in patients. "F...al, the team added 5 percent carbon dioxide to the gas mixture and repeated the scan. A comparison of the two scans revealed dramatic differences. ...

Soft contacts designed for cone-shaped cornea

...enses to vision with conventional lenses and rigid gas permeable lenses, or hard contact lenses. Corrections with the custom lenses resulted in an average improvement of 2.1 lines in visual acuity, or from 20/48 to 20/29, over the use of the conventional defocus and astigmatism corrections alone. Conv...

Mailman School of Public Health researchers analyze air quality and weather changes by 2050

...or diligence over policies that control greenhouse gas emissions and that improve regional air quality," said Dr. Kinney. "In addition to their effects on long-term climate change and health, such policies can lead to even short-term local benefits to air quality and thereby, human health."...

Higher gas prices leave many workers running on empty

...s have been affected as the cost to fill a tank of gas has nearly doubled over the past few years. In his...y 1,000 full-time employees were asked to note how gas prices have affected their disposable spending patterns. They also were asked how these changes affe...

UN engages banks to light up rural India; Solar loans, energy access transform life for poor

...lighting energy services. In terms of greenhouse gas emissions, a single wick burns about 80 litres of kerosene, producing more than 250 kg of carbon dioxide per year. Kerosene emits several other harmful gases while burning, and due to its low efficiency contains large amount of unburned hydrocarbo...

CO2 storage in coal can be predicted better

...erns of cracks. He also did experiments with waste gas and pure CO2 to determine the uptake capacity of s...erable quantity of CO2 could be removed from waste gas by allowing it to be adsorbed onto coal under high-pressure. According to Mazumder this means that t...

First greenhouse gas animations produced using Envisat SCIAMACHY data

...from methane the second most important greenhouse gas may significantly rise in the future due to globa...or SCIAMACHY to retrieve information on greenhouse gas sources and sinks. Buchwitz and his colleagues used SCIAMACHY data from the same period to retriev...

A closer look inside our lungs -- Penn researchers develop 2 novel imaging techniques

...g signal for sharper images." Hyperpolarized 3He gas allows radiologists to observe the lung as gas flows in and out, giving them high resolution images of human ventilation. Combining several techniq...

Color sensor breath test can detect lung cancer

...ing have been used, say the authors. This includes gas chromatography and mass spectrometry, which requires a great deal of expertise to use and is very expensive. As cancer is often silent in its early stages and symptoms are often not specific, it is often difficult to pick up the disease at a stage ...

Concentrations of certain toxins in breast milk are low, study finds

...Once they collected the VOCs, the researchers used gas chromatography-mass spectrometry to analyze the levels of each compound in the milk and indoor air samples. This analysis technique differentiates between various substances in a given sample. The milk samples had higher concentrations of chlorofor...

PhD researcher develops inexpensive, sustainable production method in just 2 years

...r high pressure. The high pressure propels the CO2 gas to the so-called supercritical phase, during which it assumes the properties of both a gas and a liquid. This causes everything present to fully mix in a homogenous phase. The resulting react...

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(Date:5/22/2013)... engineering drastically reduces the time and effort needed ... of biotechnology, scientists are reporting. Published in the ... paves the way for more rapid development of ... other activities. , Keith Shearwin and colleagues explain ... genetic material DNA into a bacterium,s genome is ...
(Date:5/22/2013)... Legionella pneumophila bacteria is responsible for legionellosis, ... order to infect us, this pathogen has developed a ... unnoticed in our cells, thus avoiding these acting against ... biosciences research centre, CIC bioGUNE, in which teams from ... and the National Supercomputation Centre in Barcelona (BSC) have ...
(Date:5/22/2013)... and wild plants have slowed in recent years, according ... University of Leeds and the Naturalis Biodiversity Centre in ... the diversity of species in Britain, Belgium and the ... picture brightened markedly after 1990, with a slowdown in ... wild plants. , Professor Bill Kunin, Professor ...
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