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Bismuth in Medical News

An ideal therapy for peptic ulcer disease

... published on October 28; 2008 in the World Journal of Gastroenterology . The therapeutic regimen consisted of 20 mg omeprazole, 240 mg colloidal bismuth subcitrate, 1000 mg amoxicillin, and 200 mg furazolidone, taken twice a day for seven days. Patients were considered as eradicated when samples taken ...

CONSUMER REPORTS: Back to Basics For Safer Childbirth

...st, 2nd, 3rd Tylenol Migraine trimester: (Acetaminophen) Not recommended bismuth Kaopectate; 1st, 2nd trimester: Imodium Subsalicylate Pepto Bismol Use with caution (Loperamide) ...

Appropriate timing in the use of breast shields in children can further reduce MDCT radiation dose

...ained two scans in each of four sequences: without the shield, with a 2-ply bismuth shield, ATCM after placement of the shield and ATCM before placement of the shield. The study showed that the bismuth breast shield reduced radiation dose to the breast by 26% and shielding and...

7 Workers Tested Positive For Polonium In London Hotel

...d cell count. These were the symptoms that indicated severe radioactive poisoning. Polonium 210, the radioactive substance, chemically similar to bismuth and tellurium dissolves readily in dilute acids. The experts say that for poisoning someone, polonium has to be chemically combined in some type of di...

A New Option For AIDS Treatment - Radioimmunotherapy

... which were infected. The lack of immune systems ensured that the grafts were not rejected. The researchers bound radioactive particles such as bismuth 213 and rhenium 188 , to the antibodies and injected them into some of the mice. These antibodies target a molecule known as GP41, specific to the ...

Drug Reactions First Present Themselves In The Mouth

...edications cause some sort of a reaction and the mouth is the first place to get affected. “An adverse reaction depends on the drugs you use. Too much bismuth subsalicylate, for example, can turn your tongue black, but the reaction is temporary and harmless,” said AGD spokesperson Eric Shapira, DDS, MAGD, MA...
Bismuth in Biological News

Antibiotics take toll on beneficial microbes in gut

... born without one, then were given either cefoperazone, a broad-spectrum cephalosporin antibiotic, or a combination of three antibiotics (amoxicillin, bismuth and metronidazole). The scientists then observed what changes in the gut microbiota occurred immediately after the antibiotics were stopped or six wee...

Story tips from the Departments of Energy's Oak Ridge National Lab -- March 2009

...op/ncurrent/abs/nmat2373 ) and led by Ramamoorthy Ramesh of Lawrence Berkeley National Laboratory, has revealed that domain walls in a material called bismuth ferrite possess an unexpected electron conductance. The nanometer-scale domain walls separate the regions of a material with different magnetic, elect...

October 2008 GEOLOGY and GSA TODAY media highlights

... dinosaurs. Modeling of gold scavenging by bismuth melts coexisting with hydrothermal fluids Blake...Adelaide 5005, Australia. Pages 815-818. Native bismuth is molten down to 271 degrees Celsius, and polymet...llic melts can occur at even lower temperatures if bismuth is combined with elements such as gold or telluriu...

Einstein researchers demonstrate a novel approach to treating AIDS

...IV-1-infected cells. After obtaining antibodies that would latch specifically onto gp41, the researchers tagged them with two different radioisotopes, bismuth 213 and rhenium 188. To test the therapy, the researchers first injected HIV-1-infected human white blood cells into the spleens of immune-defici...
Bismuth in Biological Technology

NewBridge Pharmaceuticals Announces Licensing of Pylera(R) for Middle East, Africa, Turkey & Caspian Region

...0. Pylera (R), which was developed by Axcan over the last ten years, is a patented 3-in-1 capsule therapy. Each Pylera (R) capsule contains bismuth subcitrate potassium, metronidazole and tetracycline hydrochloride. Pylera (R) is clinically proven to be as effective as the most widely prescribed ...

Putting the squeeze on an old material could lead to 'instant on' electronic memory

..."smart cards" used in many subways and ski resorts. The credit card-sized devices are made with such materials as lead zirconium titanate or strontium bismuth tantalate, which can instantly switch between different memory states using very little electric power. A tiny microwave antenna inside the card, when...

Domain walls that conduct electricity

...ic, or other properties. In a material called bismuth ferrite, an unusual compound of bismuth, iron, and...operty of domain walls never seen before. Although bismuth ferrite is an insulator, the researchers found tha...roics are an example of this kind of material, and bismuth ferrite is a prototypical multiferroic." The ...

'Nanosculpture' could enable new types of heat pumps and energy converters

...branching, wherein each nanorod consists of two materials a single-crystal bismuth telluride nanorod core encased in a hollow cylindrical shell of single-crystal bismuth sulfide," said G. Ramanath, professor of materials science and engineering ...

Boston College, MIT researchers achieve dramatic increase in thermoelectric efficiency

...s at BC and MIT produced a big increase in the thermoelectric efficiency of bismuth antimony telluride a semiconductor alloy that has been commonly used in co...primary means by which heat conduction takes place in insulating solids. bismuth antimony telluride is a material commonly used in thermoelectric products, ...

Strengthening fluids with nanoparticles

...nsfer and capillary properties, as compared with regular, or pure, liquids. Borca-Tasciucs team placed droplets of water-based solutions containing bismuth telluride nanoparticles onto a Teflon-coated silicon wafer. When an electric field was applied to the droplet, the researchers observed a strong chang...

Feeling the heat

...oven extremely difficult. In recent years, ZT values of one or more have been achieved in thin films and nanostructures made from the semiconductor bismuth telluride and its alloys, but such materials are expensive, difficult to work with, and do not lend themselves to large-scale energy conversions. ...
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