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Tag: "concentration" at medical news

Novel Approach Assists in Locating Leads for Drug Discovery

...al activity of chemical compounds at seven or more concentration levels spanning four orders of magnitude. The mult...reening generally has remained focused on a single concentration of each compound. To address the limitations of traditional high-throughput screening, the NIH Chemi...

Nano-sized inhaled particles traverse quickly from nose to brain

...dy tested manganese oxide ultrafine particles at a concentration typically inhaled by factory welders. The manganes...rtex, cerebellum, and lungs. After 12 days, the concentration of ultrafine particles in the olfactory bulb rose 3.5-fold and doubled in the lungs, the study found...

Single Sugar Enables Antibody to Treat Inflammation

...tic, anti-inflammatory response to IVIG requires a concentration of IgG antibodies that's hundreds of times greater than is normally used for antibody therapy for cancer or infection, for example, Ravetch and his colleagues began to look for something that was only present in IVIG in small amounts. That's how they...

Current Cooling Devices Ineffective in Preventing Brain Injury

...rats, including heart rate, blood pressure, pH and concentration of oxygen and carbon dioxide, Zhu could estimate brain blood flow in the group whose brain temperatures he had assessed. His results closely matched the predictions of Sukstankii's theory. "Now that we know our theory is valid, we can use what we kn...

Existing Brain Cooling Not Beneficial To Trauma Patients

...rats, including heart rate, blood pressure, pH and concentration of oxygen and carbon dioxide, Zhu could estimate brain blood flow in the group whose brain temperatures he had assessed. His results closely matched the predictions of Sukstankii's theory. "Now that we know our theory is valid, we can use what we k...

A “Leaky” Blood-Brain Barrier and Alzheimer痵

...earchers observed the following:§ As expected, the concentration of AA was higher in the CSF compared to the plasma...ll cases, with an average of 4.0. In contrast, the concentration of UA in the CSF was lower than plasma reflected by a CSF-to-plasma ratio of UA was less than 0.25 i...

India Says It Is ‘‘Avian Influenza Free Country

...ally in the outbreak areas, areas of major poultry concentration and those visited by migratory birds,” it added....

Imaging study affords renewed thrust on smoking cessation treatments

...'s cerebral cortex, and which contains the highest concentration of these nicotine receptors), the brainstem (which controls various automatic functions, such as respiration, heart rate, and arousal), and the cerebellum (the portion of the brain responsible for the coordination of movement and balance). Results of...

A Plant Used By Ancient Britons Found To Have Properties To Fight Cancer

...explained that they have been able to increase its concentration by damaging the plant, as when they found that when the leaves were damaged the plant released glucobrassicin as a defense mechanism. The researchers found that its derivatives could kill some plant pests, and that importantly they also have anti-t...

Scientists Develop Non-Toxic, Food Safe Paint

... Biomacromolecules. This was demonstrated by a low concentration of calcium chloride of 0.1 moles per liter that was brittle and easily removable but the higher concentration gelling agent of 2.0 moles per liter adhered well and was not easy to remove. Calcium alginate has ...

Replacing Old Mattress, Adding Ventilation Reduces Mites

...hile never having a cat in the home led to a lower concentration of cat allergen, it didn’t protect against high cat allergen exposure in communities where cat ownership is common. The researchers concluded that people who do not own cats may still be exposed to high levels of cat allergen in the home because cat ...

New Approach Assesses Risk of Water-Borne Pathogen Disease

...ely to cause human disease than water with a lower concentration of Leptospira. “This can have direct policy impl...s research team tested two hypotheses: first, that concentration of more virulent Leptospira would be higher in urban than in rural environmental surface waters; and...

Bisphenol A (BPA) linked with breast cancer

...over the long term. "So, we have to use a larger concentration to mimic the effects of long-term exposure," he said. "No one knows if that's a valid way to do that or not." Animal studies are a logical next step, he said, but they can never fully replicate potential effects in humans. "The real crux of the mat...

A Synthetic Molecule Instigates Cancer Cells To Self-Harm

...eatment with a procaspase-3 activator based on the concentration of procaspase-3 in their tumor cells."...

Exposure to Pollutants Reduce The Effectiveness Of Vaccines In Children

...earchers found that 21% of the 7-year-olds had the concentration levels of diphtheria toxoid antibody lower than the levels that could be needed for long-term protection. The researchers explained in their report that the antibody response to diphtheria toxoid at 18 months fell by 24.4% for each doubling of the ...

Brain protein expression can be damaged with prolonged alcohol exposure

...hey are sensitive to alcohol concentrations. The concentration of alcohol used is similar to alcohol levels obser...e of being a simple system," he said. "The ethanol concentration and length of exposure can be controlled tightly and applied identically to all subjects. This me...

Probiotics – a probable treatment for Autis

...sults," said Prof Gibson. Improvement in child’s concentration and behaviour was reported by some parents. According to a mother, it was “heartbreaking” to be told to move on to the placebo. Around 5,35,000 people in UK suffer from some form of autism, including a milder form called Asperger's Syndrome. Boys...

Can Ayurveda provide a treatment for Alzheimer's?

...e conventional drugs. An improvement in memory and concentration was noted in Alzheimer’s patients with the help of... neurotransmitters and helped improving memory and concentration in Alzheimer’s patients, the most common form of dementia. In order to develop more effective drug...

Gazing Away During Conversation Would Increase Concentration

... they were asked questions. They observed that the concentration of the participants had increased, which was displayed by an increased ability to perform on mathematical questions. The researchers also found that the chore of looking at a person's face and ‘thinking’ might be extreme and could cause a physiologic...

Tips for Avoiding Foot Fungus in Communal Bathrooms

...iFix Wart Stick Wart Remover because it has a high concentration of salicylic acid, which is a great first line of defense against warts. It’s also easier and less messy to apply than over-the-counter liquid wart removers,” he adds. Sourc-Newswise SRM...

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