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Tag: "penetrate" at medical news

Electric Field Therapy to Zap Cancerous Tumours

...only a small fraction of its electrical fields can penetrate into these sensitive tissues," Palti said. Researchers conducted a pilot study of 10 patients with recurrent glioblastoma, a rapidly growing type of brain tumour, to test the effectiveness of the treatment. The researchers use specific alternatin...

Tumor Blood Flow can Improve Chemotherapy

... drug topotecan, which depends on blood vessels to penetrate the tumor and kill the cancer cells. A report on this work appears in the current issue of Clinical Cancer Research. Results of the current study are especially important because drugs such as bevacizumab are being evaluated in clinical trials for ...

Strategies for the Summer

...cent of the suns dangerous rays. UVA rays can also penetrate glass (like the windshield of a car). Remember to ...cloudy or overcast weather since the suns rays can penetrate through clouds. According to the Canadian Dermatology Association, it is estimated over 75,000 Can...

Mayo Clinic Physicians Have Adapted Real-time 3-D Ultrasound Imaging Devices

...and an adults beating adult heart using waves that penetrate deep within body tissue and reflect back to form an image. But these devices cannot be used to picture nerves, because nerves are often too close to the surface of the skin and too shallow for the sound waves generated to form an image. Dr. Feing...

Nanoparticle in the Treatment of Glaucoma

... barely 1-3 percent of existing glaucoma medicines penetrate into the eye, earlier experiments with nanoparticles have shown not only high penetration rates but also little patient discomfort. The miniscule size of the nanoparticles makes them less abrasive than some of the complex polymers now used in most ey...

Impotence and Incontinence Greatly Reduced With New Prostate Cancer Treatment

... rather than outside the body, there is no need to penetrate healthy tissue in order to reach the target. As Professor Nikolaos Zamboglou from Offenbach comments, "Conventional prostate cancer radiotherapy involves treating the tumour from the outside in. But you get far fewer side-effects if you treat it from...

Indoor Smoking Bans Creating Unhealthy Outdoor Second-hand Smoke Zones

...onoxide and small particles, known as PM2.5, which penetrate deep into the lung, in these people. Researchers went downtown for four weekend afternoons and evenings and measured the air in front of five locations, including two restaurants, two bars and one area with no smokers, to determine how much of thes...

Sunbathers Beware of Skin Cancer, Dermatologists Warn

...et B rays, which primarily cause sunburn. UVA rays penetrate the skin more deeply and are the main cause of skin cancer and premature aging, so sunscreens that provide broad UVA and UVB protection are best. Older sunscreens block UVB rays well, but are less effective against UVA. Newer products do a better j...

Peptide Found in Human Blood Inhibits 60 Strains of HIV, Study Says

...ound on the surface of HIV, that the virus uses to penetrate the surface of human cells, the Chronicle reports. According to Warner Greene, director of the Gladstone Institute of Virology and Immunology who was not involved with the study, VIRIP stands out because it is collected from human blood. He added t...

HIV/AIDS- Possible Cure From Within

... the AIDS virus that otherwise allows the virus to penetrate the membrane of cells it is about to infect, a process known as fusion.As no existing drugs affect this stage of infection, the team hopes the compound could be modified to form a new class of similar drugs. With nearly 40 million people living wit...

Nanoparticles can Damage DNA, Increase Cancer Risk

...ncer Research. Nanoparticles are small enough to penetrate cell membranes and defenses, yet they are large enough to cause trouble by interfering with normal cell processes, researchers at the University of Massachusetts say. Such nanoparticles are currently in use in electronics, cosmetics, and chemical man...

Cryoablation: A New Treatment Option for Some Kidney Tumor Patients

... patients. Percutaneous ablation uses needles to penetrate the skin and deliver directly to the tumor either high-intensity, tissue-destroying heat through radiofrequency ablation, or freezing cold through cryoablation. Mayo Clinic’s radiologists are among the most experienced in the world in performing abla...

'Pan'demonium Over Non -stick Pans

...armful toxins present in non-stick cookware, could penetrate into our system causing health problems, they said. The National Industrial Chemicals Notification and Assessment Scheme or NICNAS said it is concerned about the use of non-sticks pans for cooking especially in the developing nations. The culp...

Light-activated Compound May Be of Help for Epileptics in Future

...helps because the longer wavelengths of blue light penetrate farther into tissue than ultraviolet light and are less damaging to it. Molecules that fluoresce in response to even longer wavelengths of light are available, and scientists are testing whether any of them can create the same effect when bound to ...

Researchers Explore the Effect of Engineered Immune Cells on HIV

...les in the body because they are naturally able to penetrate cells, inserting the genetic material they contain into their new host. By itself, a virus cannot reproduce; it must infect a cell and take control of the host's machinery to make copies. HIV also possesses an unusual structure and a keen ability t...

Hybrid Molecule Causes Cancer Cells to Self-Destruct

...t this is because the hybrid molecules more easily penetrate the surface of the cell than the individual chemicals. Once the components are inside, the researchers believe the partners help enzymes to resume the normal assembly of sugar molecules and correct aberrant gene expression patterns, two processes tha...

Durable Critters Provides Better Way to Human Egg Preservation

...r for sperm. Sperm must pass through the coat then penetrate the interior plasma membrane. As soon as a sing...ultimate goals is to design sugars that can easily penetrate the egg’s membrane, but at least for now, tardigrade sugars seem to work just fine in mice. One o...

New Technique to Detect Cancer in Early Stages

...ssue surface, Huang said. Ultraviolet light cannot penetrate far into the tissue. The new technique can eventually be applied to almost any cancer though it would still require more clinical trials, he added. Source-IANS...

Nanoparticles Used by Researchers to Attack Brain Tumours

...n order for chemotherapy to treat a tumor, it must penetrate this barrier. 'Thinking outside the box is a must for developing brain cancer treatments. Drugs don't get into the brain when delivered in the normal way, which explains in part why some current treatments for brain tumors are generally not effecti...

Skin-patch vaccines may replace injectable ones in future…

...been delivered through skin, how will the vaccines penetrate the skin? The former are smaller molecules that can penetrate the skin and enter the bloodstream whereas the latter comprise large proteins. "We're not inventin...

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