Tag: "carbon" at medical news
Nanotechnology's miniature answers to developing world's biggest problems
...ve developed a method of large-scale production of carbon
nano-tube filters for water quality improvement. O...ckyballs" (soccerball-shaped structures made of 60 carbon
atoms) for slow, sustained drug release systems, characteristics valuable for countries without adeq...
Rice, NC State win NAS/Keck Futures funding
...searchers defining the interaction of multi walled carbon
nanotubes with human epidermal keratinocytes, and the synthesis on new nano-biohybrid materials by Barron. The researchers are interested in a range of different fullerene-amino acid sequences that could allow uptake into keratinocytes without advers...
University of Nevada, Reno professor showcases 'mini' ion accelerator
... fits on a tabletop. Irradiation with accelerated carbon
ions can pinpoint a tumor and destroy it without sacrificing surrounding tissue, making possible treatment for some cancers, such as those in the head region, that were previously untreatable. Reducing the size, and thus ultimately the cost, and impr...
Technique may speed drug production, reduce costs and waste
... Synthesis. Indoles are ring structures containing carbon
and nitrogen. In the process, the researchers used a metallic element as a catalyst to form two chemical bonds and create a diverse range of indole-containing compounds. These compounds could then be used to make drugs now on the market or form the b...
CPR instructions should focus on continuous chest compressions, UT Southwestern physicians recommend
...king, strangulation, drowning, smoke inhalation or carbon
monoxide poisoning, in which oxygenation problems probably led to the heart attack. The third recommendation, however, was that bystanders who are not sure how to perform CPR or are uncomfortable with mouth-to-mouth procedures should just do chest c...
New research raises questions about buckyballs and the environment
...all is a soccer ball-shaped molecule made up of 60 carbon
atoms. Also known as fullerenes, buckyballs have r...agnitude more soluble in water than the individual carbon
molecules. In this new experiment, they exposed nano-C 60 to two types of common soil bacteria and ...
Sensor warns of gastrointestinal problems
... blood circulation in the stomach. A high level of carbon
dioxide in the stomach is a characteristic of this...e sensor subsequently measures. Conversely, if the carbon
dioxide concentration falls, the pH-value increases and the pressure generated by the polymer decrea...
People with diabetes more sensitive to cardiovascular effects from air pollution
... plants, as well as ultra-fine particles and black carbon
soot, which are generated primarily by diesel- and...when concentrations of sulfate particles and black carbon
were higher," said Marie O'Neill, Ph.D., an epidemiologist now with the Robert Wood Johnson Health &...
IBM and EPFL join forces to uncover the secrets of cognitive intelligence
...uture semiconductor (post-CMOS) technology such as carbon
nanotubes; part of the continuing quest to build smaller semiconductors and microchips. Elsewhere at EPFL, researchers will use Blue Gene to look at the use of plasmas as a possible method of energy production. Another team will use Blue Gene to res...
'Apollo Program' for hydrogen energy needed, Stanford researcher says
...xpose it to steam, the final products areprimarily carbon
dioxide and hydrogen. While the production of carb...sirable, the process produces about 55percent less carbon
dioxide than does internal combustion, Jacobson said.Other pollutants result as well, such as oxides...
4D proton therapy, radiation-resistant tumors, interpreting medical images
...oach is also applicable to radiation therapy using carbon
ions, which is currently being used to help defeat lung cancer in a couple of centers in Japan. (Paper WE-E-J-6C-7, Wednesday, 3:30 PM; contact Martijn Engelsman, now at MAASTRO clinic, Netherlands, firstname.lastname@example.org ) V. HYBRID MACHINE...
Benefits of nitric oxide vary in preemies, Stanford/Packard researchers say
...fficient delivery of oxygen and the elimination of carbon
dioxide. It also helps to send blood to the most oxygenated areas of the lung and to decrease inflammatory responses that make the lungs less efficient. However, because research suggested it can also increase the already significant risk of brain he...
Giving oxygen may do more harm than good, new report shows
...s. And although there's a simple solution adding carbon
dioxide to the mix it isn't being used by most Ca...ion, which is almost never considered, 'blows off' carbon
dioxide, and this fall constricts blood vessels. When carbon
dioxide is added, however, the blood ve...
Envisat monitoring China floods as part of Dragon Programme
... the base of the marine food web and a key sink of carbon
as well as suspended sediment. Researchers are building up a database of water optical properties as well as atmospheric correction for the region and developing a method of monitoring 'red tide' events when local conditions cause phytoplankton nu...
'Gadonanotubes' greatly outperform existing MRI contrast agents
...tal atoms are encased inside a hollow tube of pure carbon
called a nanotube. Shrouding the toxic metals inside the benign carbon
is expected to significantly reduce or eliminate the metal's toxicity. The research was published th...
'Heroes of Chemistry' honored for improving health, environment
...arge reductions in hydrocarbon, nitrogen oxide and carbon
monoxide emissions have been achieved in the United States through cleaner burning fuels and improved vehicle technology. Government mandates are now requiring even lower vehicle emissions and lower sulfur fuels. SCANfining selectively removes sulfur...
Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality
...cluding formaldehyde, methane, sulphur dioxide and carbon
monoxide and dioxide," Burrows remembers. "Back when we were starting out, many people thought it would be impossible to get any useful results out of the troposphere. There are many important issues to deal with, such as cloud cover and the highly v...
International study finds one in five heart patients continue to smoke
...kers who denied currently smoking being tested for carbon
monoxide in their breath. The survey was a follow-up to EUROASPIRE I five years earlier and found similar results. Of the 5,551 patients, 21% were still persistent smokers 39% of those under 50, 26% of those aged 50-60 and 14% of those aged around 6...
Breath test offers hope for early detection of lung-bacteria growth in cystic fibrosis
... patients -- carbonyl sulfide, dimethylsulfide and carbon
disulfide. Significantly, they found that cystic fibrosis patients exhaled carbonyl sulfide (OCS) at rates up to 2 times higher than people who don't have the disease, making it an attractive target for future breath analysis. The study determined th...
CHEST 2005 abstract highlights
...apsaicin doses for cough initiation and had higher carbon
(C2) levels. INTERNATIONAL HEALTH ISSUES UPDATE Tsunami Health Effects and Treatments (Convention Center, Room 515B, Monday, October 31, 2005, 10:30 AM-12:00 PM) Soft tissue and musculoskeletal infections are more common than respiratory tract ...
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