Tag: "penetrates" at medical news

Girls Hit Tanning Booths More Than Boys

...lights is a major culprit in photoaging because it penetrates the skin layers more deeply and causes oxidative and DNA damage. Prevention messages are under development to emphasize the appearance-related problems of UV overexposure and present alternatives to tanning using UV rays to enhance appearance," Demko...

Improving Lighting Could Bring About A Change In Alzheimer's Patients

...ght. Researchers say as we get older, less light penetrates our eyes hence older people need three- to five-times more light than young adults. Studies have shown that one can improve their mood and sleep patterns most by going outside shortly after they wake up. Besides researchers say natural sunlight is th...

Studying brain anatomy without surgery

...rough optical fibres to a person's head. The light penetrates the skull where it assesses the brain's oxygen level and blood volume.The scattered light is then collected by optical fibers, sent to detectors and analysed by a computer.By examining how much is absorbed, Gratton and his colleagues in the Universit...

A Wristwatch For Detecting Malaria

...mples with a microscopic needle that automatically penetrates the skin twice during the day and twice at night. An alarm sounds if the parasite count is above 50, before the first symptoms appear. According to Lubbe, at that point an antidote in the form of tablets should be consumed and, within 48 hours, a...

Flu outbreak imminent in Australia.

...ts feel that it is only a matter of time before it penetrates Australia. Vaccinations usually take about a fortnight to start working. Those with health conditions like heart disease, asthma, diabetes, etc are highly susceptible to flu attacks of a virulent form and hence should protect themselves with vaccin...

Alzheimer's Drug can be Used to Treat Nerve Agent and Pesticide Poisoning

...nding of our study is that galantamine effectively penetrates the blood-brain barrier and protects the brain from the toxic effects of organophosphorus compounds, as long as it is administered before or soon after an exposure," says Dr. Albuquerque. "This simple and safe antidotal therapy could be added to the ...

Tiny Sphere Of Nanoparticles Can Fight Cancer

...attacked with this liposomal siRNA approach, which penetrates deeply into the tumour,' Sood said. Mice infected with three human ovarian cancer cell lines derived from women with advanced cancer were treated for 3-5 weeks. They received liposomes that contained either the FAK siRNA, a control siRNA, or were e...

Key component of sunscreen heals sunburn and prevents skin cancer

...w it is considered to be a major contributor as it penetrates deeper into the skin than UVB. “It is overexposure to UVA that causes the redness and inflammation, or erythema, associated with sunburn. “The UVA component of sunlight is dangerous as it acts as an oxidising agent that forms free radicals whic...

Noxafil Can Help Invasive Fungal Infections

...called Aspergillus and Candida. This fungus easily penetrates the patients with a weak immune system including those whose count of white blood cells is low. Noxafil has been declared safe and promising after successful clinical trials conducted on 1,844 subjects between ages 13 and 82. The FDA has however c...

Herpes Infects Cornea, Evades Immune Cells

...h year. In about one quarter of cases, the virus penetrates the first layer of the cornea to infect an inner layer, the stroma, making the disease much more difficult to treat. Effective treatment is hampered by poor understanding of how the virus infects the stroma, says Deepak Shukla, assistant professor ...

A Study Explores the Medical Potentials of Bucky Amino Acids

...oparticles through the skin." 'Bucky amino acid' penetrates faster, deeper when skin is flexed and penetration was also found to be deeper after 24 hours than after just eight - said Nancy Monteiro-Riviere, professor of investigative dermatology and toxicology at NC State. "As more nanoparticles find their...

Hybrid Molecule Causes Cancer Cells to Self-Destruct

...by linking ManNAc with butyrate. The hybrid easily penetrates a cell’s surface, then is split apart by enzymes inside the cell. Once inside the cell, ManNAc is processed into another sugar known as sialic acid that plays key roles in cancer biology, while butyrate orchestrates the expression of genes responsibl...

Air Pollution May Cause Heart Disease

...nown as PM2.5 or 'respirable' particles because it penetrates the respiratory system further than larger particles. Earlier scientific studies have linked particulate matter, especially fine particles, with a series of significant health problems, including premature death, respiratory disorder, chronic bron...

Micro-jets for Painless Needle-free Injections

..., pushes the drug in the form of a small jet which penetrates into the skin." The pulsed micro-jets are expelled at over 100 metres per second at volumes of just 2-15 nanolitres per pulse. The number of pulses can be varied according to the required drug dose, and can be delivered in quick succession to mimic...

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