Radon, Especially In Combination With Smoking, Contributes To Lung Cancer Deaths
...l amount of radon can produce alpha particles that penetrate cells, causing irreparable damage. Uncertainties in Estimates Problems in converting radon risks from mines to homes were underscored by the committee. Miners inhale many other substances on the job, making it difficult to separate th...X-ray Microscope Designed To Study Jet Engine Components Now Probes Tooth Dentin
...ty it is in a liquidform, allowing the material to penetrate the exposed framework before hardening. The UCSF researchers study how quickly and efficiently different acids work inthe demineralization process and how various materials used to form bondswithstand the constant stress placed on teeth. AFM is...Radio Frequencies Used To Kill Inoperable Liver Tumors At Penn's Cancer Center
...pened to permit heat-delivering wire extensions to penetrate across a larger area of the tumor. Fully extended, the wire extensions resemble an opened umbrella against the tumor. Finally, the surgeon literally chars the tumorous tissue by zapping up to 100 watts of heat through the probe tip and attached tenta...New Treatment Targets Most Malignant Brain Tumors
...er in the body, or are smallermolecules that might penetrate tumors better. However, the research team ...urrounding theresection cavity, and Iodine used to penetrate more broadly. Such treatmentscould eliminate the need for beam radiation, he said. Although ...Treatment For Cancer May No Longer Be As Grim As The Disease
... wires reach the end of the tube, they fan out and penetrate the tumour. A very high-frequency current in the wires causes nearby atoms tovibrate, heating the tissue from within just as a microwave cooker heats food.It takes ten minutes to kill all the cells in a region measuring 3 to 5centimetres acro......ill, forexample, help drugs in transdermal systems penetrate the skin, scientists are"reduced to trial and error," Kohn says. "It's like playing the lottery: if youmake and test one compound at a time, it's like buying a single ticket," heexplains. "But combinatorial methods allow you to make hundreds of compo...Fetal Cell Therapy Benefits Some Parkinson's Patients
...hose made for the implant therapy but which didnot penetrate the brain or its tough protective membrane, called the dura. Allpatients were informed of the risks of the surgery and the possibility that theymight initially be in the non-therapeutic placebo group. The patients wereevaluated periodically for 1 y...Birthmarks best treated with red laser light
...t by a few nanometres, making it redderand able to penetrate better. About 1% of normal skin consists of blood vessels. "Port wine" birthmarks have far more bloodvessels than normal and the diameter of these vessels is also much greater. This gives thecharacteristic port-wine colour. This type of skin abnorma......ry system, molecules of aparticular substance must penetrate the nose. There they encounterolfactory receptors -- specialized proteins protruding from the surface of nervecells in the inner lining of the nose. When an odor molecule lands on areceptor, the nerve cell dispatches an electrical signal to the brain...Why prostate cancer homes to bone
... framework of blood vessels and organs. Inorder to penetrate this membrane, the cancer cells had to first be stimulated tomigrate to it and then have the ability to digest their way through theMatrigel. When prostate cancer cells were tested against extracts of bone,brain, liver, lung and kidney, four times t...Magnet therapy: what's the attraction?
...ing to Park, that the magnetic fields would barely penetrate the skin. "Not only do these magnets have no power to heal," he writes, "they don't even reach the injury." Park warns that magnet therapy can pose a risk to people who ignore conventional medical treatment in favor of it. "Magnet therapy may not s...First brain cancer surgeries using new space-age probe are successful
... LED's long, cool wavelengths of light wereable to penetrate wide and deep enough to get rid of the tumor for good," saidWhelan. Laser light has been used for this type of surgery in the past, but theLED light illuminates through all nearby tissues, reaching parts of the tumorthat shorter wavelengths o...Extract from traditional Chinese herb enhances recovery in stressed cells
...age to the cells. But vitamins C and E are slowto penetrate the cell membrane. Vanden Hoek and his colleagues found out about baicalensis from Chun-Su Yuan,MD, Ph.D., assistant professor of anesthesia & critical care and clinicalpharmacology at the University of Chicago with an interest in traditionalChinese...Novel approach may roust HIV from its hiding places
...people with AIDS. The challenge of finding ways to penetrate these sanctuary sites in the body has been critical as scientists try to determine whether HIV ever can be eradicated from the body. In new animal studies, Vanderbilt University researchers led by Edna Choo, PhD, tested a compound called LY-335979 (L...UIC Nature paper points to new drug discovery direction
...ibiotics kill bacteria by acting on ribosome. They penetrate bacteria and interfere with protein synthesis. Researchers only recently have begun to understand how these antibiotics work. Alexander Mankin, associate professor of medicinal chemistry in the UIC College of Pharmacy, and his team have found that ri...Microbes and the dust they ride in on pose potential health risks
...otection Agency says these tiny dust particles can penetrate deep into your airways and react with lung tissue. During major dust episodes reaching Florida, there could be a correlation with increased respiratory problems, Herman said. In addition to the dust itself, even small concentrations of fungal spo...Rare form of meningitis contracted in Jamaica
...ated. When the larvae are ingested by humans, they penetrate the vessels of the intestinal tract and eventually reach the meninges, the membranes that envelop the brain and spinal cord, resulting in infection, neurological complications and sometimes death. The lead authors on the article were infectious dise...Research in fungal pathogenesis offers new hope of vaccine strategies for immunosupressed patients
...osis in this pathogen, providing it new weapons to penetrate into deeper tissues and organs. Unless Candida can adhere to such cells, it is quickly cleared from the bloodstream, and rendered harmless. Based on these concepts, Dr. Edwards and his group are developing new methods to assess the adhesive protein...Tumor vaccines via dendritic cells
...additional, HIV-derived sequence that allows it to penetrate the DC plasma membrane. Wang et al. have found that such fusion peptides are taken up more readily and presented by DC more efficiently than occurs following standard DC ?pulsing? protocols. Now, they show that this quantitative change in tumor an...Molecular mechanism underlaying anthrax infection described by UCSD School Of Medicine researchers
... the cell surface and allows bacterial proteins to penetrate the macrophage, LF cleaves and disables specific protein kinases (called mitogen activated protein kinase kinases, or MKKs) that play a vital role in activation of the p38 protein kinase, whose enzymatic activity is essential for survival of the macr...