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Tag: "isotopes" at medical news

Radio-guided Neurosurgery for treatment of Brain cancer

...ounts emits an acoustic signals as the radioactive isotopes are detected. Using these signals the neurosurgeon carefully removes the tumor, which is guided by the prbe....

Carotenoid Absorption Explained In A Better Manner

...how carotenoids are absorbed in the body.// Using isotopes to tag carotenoids from kale, researchers at the ARS Beltsville (Md.) Human Nutrition Research Center (BHNRC) monitored the nutrients' absorption within the body. Physiologist Janet Novotny and research leader Beverly Clevidence of BHNRC's Diet and H...

New Molecular Treatment Identified To Treat Blood Cell Cancers

...fic target molecule, are used to carry radioactive isotopes or anti-cancer drugs directly to a tumor. Three monoclonal antibodies, rituximab (Rituxan), ibritumomab tiuxetan (Zevalin), and tositumomab (Bexxar), have already been approved by the Food and Drug Administration for the treatment of B-cell lymphoma....

Chornobyl Incident Proved Increased Risk of Thyroid Cancer from Radioactive Iodine

...Russian Federation to radioactive material high in isotopes of iodine and cesium. Numerous studies have shown that exposure to certain types of radiation increases the incidence of thyroid cancer in children and teens. However, few studies have examined the effects of exposure to radioactive iodines, and only...

Isotopes For Cancer Treatment In India

...SPECT (Single Photon Emission Computed Tomography) isotopes such as Gallium-67, Indium-111, Iodine-123, Thalli...the first time in the country. At present, these isotopes are imported from abroad. The cyclotron will also be used to produce a very effective PET (Position ...

A New Option For AIDS Treatment - Radioimmunotherapy

...ncer , in which antibodies which have radioactive isotopes attached to them are injected into patients.// These antibodies target and destroy cancer cells inside the body , by delivering the radioactive particles . The main advatage of this treatment is that it is very specific , unlike chemotherapy. A s...

DU Test Finds UK Troops Uranium Free

...isotope test for urine worldwide. It uses multiple isotopes to ascertain the extent of contamination. ‘Our facility has used this test in the monitoring of more than 400 UK veterans of the 1991 Gulf War, under the testing programme administered by the Depleted Uranium Oversight Board over the past two and...

Specially Developed Proteins Could Help Resist Ageing

...n cancer risk. Dr Shchepinov believes the heavy isotopes extend lifespan by making bonds within the delicate molecules inside and around our cells harder to break. 'Because these bonds are so much more stable, it should be possible to slow down the process of oxidation and ageing,' he notes. Similar exp...

Scientists Saying Against Trees Sparks Debate

...d. Indeed, he suggests that Dueck's use of heavy isotopes may have actually changed the plants' metabolic preferences, killing off their methane emissions. Dueck counters that no literature reports suggest this might be a problem....

Now, It's Possible to Trace Marijuana to Its Roots

...erest to Wooller and his colleagues are the stable isotopes of four elements: carbon, oxygen, nitrogen and hydrogen. "The marijuana holds a signature of the environment that it used to be grown in.The marijuana holds a signature of the environment that it used to be grown in. It is laid down in time and pre...

The Bottleneck in Neuroblastoma

...studied at Children's Hospital employs radioactive isotopes that zero in on neuroblastoma cells to selectively kill those cells with radiation. Other tools include retinoids--biological molecules that hone in on cancer cells, angiogenesis inhibitors that cut off a tumor's blood supply, and tyrosine kinase i...

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