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Tag: "chemistry" at medical news

The big brain in suicides

...a (fluid collection in the brain),a thorough brain chemistry and the state of brain receptors at death so as tofocus further light on this puzzle. ...

Protective effects of tomatoes in prostate cancer

...k Khachik, co-author on the study and professor of chemistry and biochemistry at the University of Maryland came forward with the explanation that the combination of these plant nutrients, called phytonutrients, including lycopene, which is highly concentrated in tomato products is responsible for the protecti...

Drink grape juice for health

...to orange juice," says Joe A. Vinson, professor of chemistry at The University of Scranton and lead author of the study. "In our tests, we saw dramatically superior antioxidant performance by the grape juice."// In 1996, research at the USDA showed that total antioxidant capacity of purple grape juice was mo...

Antidepressant helps obesity

...in weight loss, although it's known to alter brain chemistry and may affect the appetite centres or circuits involved in getting pleasurable feelings from eating....

Drug abuse leads to long standing changes in the brain

...how a direct relationship between changes in brain chemistry in methamphetamine abusers and functional changes in behavior," says Dr. Alan I. Leshner, director of the National Institute on Drug Abuse (NIDA). "The results underscore the serious nature of methamphetamine abuse and emphasize the need to alert use...

Smoker's are prone to Alzheimer's

...ers said this could be because smoking altered the chemistry of the brain and defused some of the effects of Alzheimer's. Another reason could be the fact that many smokers do not live long enough to develop the disease, which particularly affects the very elderly....

Researchers trick Alzheimer's Enzyme

...eks one better," Sharpless, W.M. Keck professor of chemistry at Scripps, said in a prepared statement. Once t... good compounds. The enzyme selected for the click chemistry test, acetylchonlinesterase, was one of the first brain enzymes identified. It breaks down acetylch...

Smart Plastic As Surigical Thread

...dy in the journal Science. Langer, a professor of chemistry at the Massachusetts Institute of Technology, said the plastic could be used to make implants or bone screws that are not much bigger than a piece of string when inserted into the body. One they warm up, the devices change to form the appropriate imp...

Chemists Discover Cation Considered Too Unstable To Exist

Organic chemistry textbooks will need to be revised to recognize a c...table and doesn’t exist dozens of times in organic chemistry class, but, as it turns out, the molecule had different ideas," said Joseph B. Lambert, Clare Hamilt...

Enzyme may aid hold back disease

...lot of gene damage is caused simply by the natural chemistry that goes on in the human body. When a mutation occurs, the genes stop doing their jobs powerfully. Researchers say one in three genetic changes or mutations that causes disease in people can be attributed to methyl-groups. Methyl-groups work to shu...

Low potassium intake may elevate stroke risk

...take low to avoid stroke. But sodium and potassium chemistry in the body are intimately related. Good sources of potassium are avocadoes, bananas, citrus fruits, green leafy vegetables, milk and nuts. In this new study, led by researchers in Hawaii, a group of 5,000 men and women over 60 were monitored for u...

Space research leads to needle-free blood tests

...re, infra-red light may enable assessment of blood chemistry without needing to take a sample.Space medicine has many potential spin-offs for health on the ground.// One of the latest, described by the National Space Biomedical Research Institute, is needle-free blood tests. The space researchers want to take ...

Genetic Pills A Future Thought

... "What we're doing is reinventing a virus through chemistry "....

Tea may prevent Alzheimer's

...re research is needed, though, to find out how the chemistry of the body affects the activity of the tea enzymes. Courtesy : CoABC Science Online...

Overactive brain regions can lead to anorexia nervosa

... disorder will have the malnourishments affect the chemistry of the brain and images will not be easy to read. The results showed that there were increased receptor bindings in the basal ganglia of women who had the history of the anorexia, and this was true irrespective of their age, body mass index, and oth...

Strong Magnetic Stimulation Can Help Treating Severe Depression

... in an epileptic spasm and it changes the cerebral chemistry in the area of the forehead. The frontal cortex the region underneath the forehead regulates the emotions and steers the psychomotor reflexes of a person. ECT has a bad image. Movies like 'One Flew Over the Cuckoo's Nest' has shown how actor by Jack...

An Anti-cancer Smart Bomb delivered using a Nanocell

...loon with chemotherapy agents. A "stealth" surface chemistry allows the nanocells to evade the immune system, while their size ( 200 nanometers ) makes them preferentially taken into the tumor. They are small enough to pass through tumor vessels, but too large for the pores of normal vessels. Once the nanoce...

Discovery of World’s smallest laser

...er in action. Peidong Yang, assistant professor of chemistry at the UC Berkeley, reported the creation of an ultraviolet nanowire nonolaser shorter than the width of a human hair an done-hundredth the width.// These ultraviolet nanolasers have generated great excitement in the opto-electronics community beca...

Cultivating gold on a fig tree

.... The journal has hailed the experiment as " green chemistry " because following the biosynthesis of gold nanoparticles in Rhodococcus, its cells continued to multiply normally , as the metal ions used were not toxic to the cells . This eco- friendly step is important as more gold would be formed as the cells ...

Digoxin Pill To Fight Against Both Heart Diseases And Cancer

...ancer Research has said, "We've already taken this chemistry and applied it to many different classes and it is possible to extend it to antibiotics and antivirals. If you want to plug a sugar and see what it does for you, this is the best way to do it. This technique is an important biomedical advance, which...

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