Tag: "hydrogen" at medical news
Put culture in your life and reduce bad breath: Eat yogurt!
... the levels of volatile sulfide compounds, namely, hydrogen
sulfide, decreased in 80% of the volunteers after six weeks. Further, the plaque and gingival indices in the yoghurt-eating volunteers were significantly lower than in the non-yoghurt-eating group with bad breath. The results suggest that eating trad...
Herb used to treat diabetes works like modern-day prescription drugs, study suggests
...earchers had the study participants collect breath hydrogen
samples hourly for eight hours after drinking the ...researchers then analyzed these breath samples for hydrogen
and methane content the level of either substance in the breath corresponds to the level contained ...
Selective coatings create biological sensors from carbon nanotubes
...elective site where glucose will bind and generate hydrogen
peroxide. Next, the researchers functionalize ...ace with ferricyanide, an ion that is sensitive to hydrogen
peroxide. The ion attaches to the surface through the porous monolayer. When present, hydrogen
Increased suicide rate is possibly linked to chemicals released from nearby asphalt plants
CHAPEL HILL -- Exposure to low levels of hydrogen
sulfide and possibly other airborne chemicals from...us pause. Weisler said of hydrogen
sulfide, The odor was frequently apparent when I lived there as a child and later when I visited my ...
University of Manchester uses crystals to help battle deadly diseases
... visible atoms. The process especially reveals the hydrogen
atoms, which hold the key to many chemical reactions, and because of their low mass, are rarely revealed by current methods like X-Ray Crystallography even if carried out at freezing temperatures. Professor Helliwell added: "As well as the above adva...
An apple a day could protect against brain-cell damage
...how two groups of rat neuronal cells fared against hydrogen
peroxide, a common oxidative stressor. Only one of...orks even better in protecting nerve cells against hydrogen
peroxide than vitamin C, a naturally occurring antioxidant known to help prevent cell and tissue dam...
Compound in apples may help fight Alzheimer's disease
...cetin or vitamin C. The cells were then exposed to hydrogen
peroxide to simulate the type of oxidative cell da...ared to brain cells that were similarly exposed to hydrogen
peroxide but were not pre-treated with antioxidants. Brain cells that were treated with quercetin ha...
Micro nano breakthrough conference planned for Portland, Oregon
...ty- Micro-climate control Energy- Micro-power and hydrogen
generation Electronics- Chip cooling, and Innovation and Entrepreneurism Registration for the event is now open. More information on speakers, fees, the conference agenda and other details can be obtained on the web at http://www.pnl.go...
Trans fat linked to increase in cholesterol
...through hydrogenation, a chemical process by which hydrogen
is added to unsaturated fatty acids. Hydrogenation gets rid of double bonds. In doing so, the molecular configuration of the fat molecule can change from the natural "cis" to the "trans" configuration. A New Study A team of physiologists have spec...
Novel MRI technique provides clear images of blood flow
... in the body. Basically, the magnetic fields cause hydrogen
nuclei, or protons, that are part of water molecul... a large doughnut-shaped magnet. The magnet causes hydrogen
nuclei in cells to align, and when perturbed by radio waves, they give off characteristic signals, w...
Researchers: Diet a significant factor in reducing risk of three common cancers
...e body for reducing oxidative stress. It converts hydrogen
peroxide into water and oxygen, thus neutralizing reactive oxygen species. Ahn wondered if higher levels of the endogenous antioxidants that course through the human blood stream naturally like those resulting from the CAT C (CC) allele might prov...
Detection at a distance for more sensitive MRI
...racteristic of each chemical species ?? ubiquitous hydrogen
is the most commonly used species in NMR and MRI -... in a strong magnetic field, the excess of spin-up hydrogen
is at best 1 in 100,000. Xenon-129, unlike hydrogen, can be optically "hyperpolarized" before it is...
U.S. push for diesel poses risk to public health, scientists say
...ill qualify for the same tax credits as hybrid and hydrogen
fuel cell vehicles,'' said Mark Jacobson, associate professor of civil and environmental engineering and lead author of the study published January 30 in the journal Geophysical Research Letters . He added, ''It is a surprise to me that this proposa...
Successful, rapid protein crystallization possible with technique developed by UCSD researcher
... proteins. The process measures the rate at which hydrogen
molecules located within each amino acid of the pr...ein, called peptide amide hydrogens, exchange with hydrogen
in water in which the protein is dissolved. The rate of exchange depends on how exposed each amide ...
Cardiac MRI detects thinned heart muscle previously deemed unsalvageable
... a large doughnut-shaped magnet. The magnet causes hydrogen
nuclei in cells to align, and when perturbed by radio waves, they give off characteristic signals, which are then converted by computers into three-dimensional images of the heart and its structures. While MRI technology itself is 20 years old, only ...
US DoE awards $4 million in funding to Stevens' Center for MicroChemical Systems
...rochannel reactor system for on-site production of hydrogen
peroxide (H2O2) by controlled reaction between H2 and O2. H2O2 is commercially manufactured at 70wt% concentration; however, most commercial applications use 15wt% concentration. End users have increasingly become interested in the concept of onsite,...
NYU School of Medicine attracts a powerful MRI machine
... abundant in living tissues. (Water is composed of hydrogen
and oxygen.) Lower-field strength magnets, which are used routinely to provide images of the body, are mainly picking up variations in the concentration and physical characteristics of water in the body. These variations are stored in a computer and...
Jefferson scientists find anemia drug may help lessen effects of heart attack
...ls in the laboratory. They treated such cells with hydrogen
peroxide, which mimics cells that have low oxygen content and which suffer oxidative stress. They also exposed the cells to low oxygen conditions. In both cases, fewer cells died when they were treated with EPO. They also discovered that some biochem...
Nanoneurosurgery, search for E-T life, bioscan technology and home holograms at frontiers of optics
... there cannot be any bumps larger than a size of a hydrogen
atom (or about 1/10,000 of a wavelength of visible light). "This will be far, far better a telescope than has ever been built," Traub says, "and today there are teams of people working to make such a telescope and to send it to space sometime in the...
Trans fatty acids: What are they and why shouldn't you eat them?
...s. Manufacturers can stop this process by bubbling hydrogen
(hydrogenation) through the fat at a high temperature in the presence of a catalyst like nickel and in the absence of oxygen. The process raises a fat's melting point, turning liquid vegetable oil into products ranging from soft margarine to solid sh...
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