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Tag: "surface" at medical news

Feeding channel created by malaria parasite - a new target for malaria treatments

...otein that the parasite adds to the red blood cell surface might be an attractive candidate for vaccine development....

Roller coaster takes brain for a big ride!!

...acceleration force which ruptures the veins on the surface of the brain. Surgery is the treatment of choice....

New scalpel probes into cancer

...micropump through tiny channels cut into the glass surface of the device. Because cancer cells contain more protein than normal cells, their greater density changes (refracts) the speed of the laser light passing through them. This change is registered as a difference in output frequency by a receiver and t...

A treatment for blindness

...have an abnormal growth of blood vessels along the surface of the retina.If this is not treated , the conditi...ployed in which a freezing probe is placed on the surface of the eye to destroy cells within the retina that produce the irregular blood vessels.// Research...

UV Radiation induces Melanoma

...ing skin cells where melanoma develops, are on the surface of the skin. It is thought that some melanomas are the result of genetic damage caused when the UV radiation strikes these pigment cells. Babies and young children are thought to be more vulnerable. // A team of scientists at the National Cancer ...

Sequencing of the Plague

...ause human disease. The sequence also reveals new surface molecules, which might provide new ways to attack plague. But "this genome displays unusual fluidity," comment Stewart Cole and Carmen Buchreiser in the magazine Nature, where the genome is published. Numerous Yersinia genes have been copied backward...

Therapy for stopping the spread of cancer cells

...eorgia have found that an enzyme that affects cell surface carbohydrates is more highly expressed in cancer cells. The enzyme makes it easier for cells to let go of their neighbours and spread. So there's a potential for blocking this enzyme, known as GnT-V, with drugs and this may form the basis of a new th...

Snake venom a treatment for digestive disease

...archers found a site that may be a receptor on the surface of intestinal muscle cells. This site had a chemical structure that may be able to bind with the proteins in the laboratory, indicating that the prokineticins could control muscle cells' movement through a receptor. The researchers now are working ...

Resurface your skin

...st involves a laser treating the cells beneath the surface skin. No skin is actually removed. Instead, a gentle series of light pulses can remove redness, dilated blood vessels, age spots and lines. As the targetted cells absorb laser light they are broken apart and absorbed by the body. This promotes produc...

Drugs to stop burgeon of HIV

...making copies of themselves, the virus goes to the surface membrane and wraps it around themselves before 'po...the cell dies and the viruses, defenceless without surface membranes, are eaten up by macrophages," he explained. At present there are two types of anti-HIV d...

Stem cell transplantation of eye

... are found in limbus, which regenerates the ocular surface of the cornea. Conditions such as chemical burns, damages the limbus resulting in limbal stem cell deficiency characterised by corneal blindness. The advantages of this procedure were use of patient's own tissue from the healthy eye to treat the di...

Drooping eyelids more common in men

...ropion, leads to the eyelashes rubbing against the surface of the eye, the cornea. This can lead to severe ir... As the tear duct is no longer in contact with the surface of the eye, there is also no way for the eye to remove tears easily. Corrective surgery involves t...

DNA biochip for genetic screening

...is on the chip. The strands of DNA affixed on the surface of Gao’s chip act as probes, each strand corresponding to a specific gene or a DNA sequence where a complementary strand in biological samples will bind.The DNA contained in a blood or a tissue sample can be placed on the chip, and the person’s DNA w...

Lancing tumours into the body

... end of the magnet. A wire wound around the pipe’s surface gave it a screw-like thread. To Test the device, ...ich set the screw spinning.Because of its threaded surface the screw slowly began to cut through the oil. Its speed increased as the frequency of the rotating ...

Control of inflammation

Particular cell surface molecules sense runaway inflammation and tissue damage, say researchers, Michail Sitkovsky, and his coworkers at the National Institute of Allergy and infectious Diseases (NIAID).The finding appeared in Nature.// Inflammation, tissue swelling is acco...

Composite fillings to hasten work procedures

...rovement of mechanical properties by modifying the surface properties of ACP and by changing the composition of the resin," he says.br>...

Coffee may help prevent cavities

...offee might reduce S. mutans colonisation of tooth surface and might be effective in preventing S. mutans-induced tooth dcay.”...

Researchers trick Alzheimer's Enzyme

...The trick active spots on the acetylcholinesterase surface act like hands that grab and orient the click components of the inhibitor, snapping them together. Furthermore, the reaction occurs only when the pieces are held by the target enzyme -- acetylcholinesterase -- next to each other, not when they happe...

Ultrasound helps stroke treatment

...tler. It creates micro-vibrations that work on the surface of the clot to open up more surface that the tPA can then bind to and penetrate," he said. The pilot study enrolled 40 patients, averag...

FDA Approves New surgery Treatment for Farsightedness

...l areas of the cornea, the transparent coat on the surface of the eyeball. Unlike laser in situ keratomileusis (LASIK), in which the surface of the eye is reshaped using a laser, conductive keratoplasty does not require cutting or tissue rem...

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