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Tag: "inhaled" at biology news

New strategies to reduce hospital-aquired infections

... in all directions. Some of these contaminants are inhaled as aerosols (tiny water droplets containing microbes) or condensed on surfaces where they can be touched. Many of the bacteria found in biofilm, such as legionella pneumophila, are exhibiting resistance to commonly used water treatment methods as we...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

... in all directions. Some of these contaminants are inhaled as aerosols (tiny water droplets containing microbes) or condensed on surfaces where they can be touched. Many of the bacteria found in biofilm, such as legionella pneumophila, are exhibiting resistance to commonly used water treatment methods as we...

Sandia completes depleted uranium study

... targeted vehicle and suspended particulate may be inhaled or ingested. Concerns have been raised that exposu...tally struck by DU munitions are predicted to have inhaled sufficient quantities of DU particulate to incur any significant health risk. For these individuals,...

Biota makes major antiviral discovery

...covered and disclosed RSV antivirals, but many are inhaled products. Orally effective RSV compounds appear to be a rarity. This is an exciting achievement for Biota and Australian research." The current compounds are the result of research conducted by the Biota team over several years. Since 2003, this res...

Researchers develop gene therapy to reverse pulmonary arterial hypertension

... models, the researchers developed a nebulized and inhaled gene therapy to deliver an inactive Survivin-mutant via a virus--known in science as a "dominant negative construct"--effectively inhibiting endogenous Survivin. The therapy reversed PAH in rats and improved their heart function and their survival, t...

Anthrax stops body from fighting back, study shows

...sity of Florida researchers have uncovered how the inhaled form of anthrax disarms bacteria-fighting white bl...cal for most infections, and a large number of the inhaled anthrax bacteria had spread from the lungs into the bloodstream, which is unusual, Southwick said. ...

Dangerous tricksters: Some bacterie use immune cells to reproduce

...ons in the horse's lung! A bacterium has just been inhaled into a horse's bronchial tubes, and immune cells are quickly recruited to the spot to neutralise the intruder. Macrophages, cells whose job is to devour such intruders, are attracted by substances typical of bacteria, which surround the microbe like...

Hantavirus found in African wood mouse

...e life-threatening infections in humans when it is inhaled through aerosolized rodent urine or droppings. A team led by Jan ter Meulen while he was a Howard Hughes Medical Institute (HHMI) international research scholar at the University of Conakry in the Republic of Guinea, identified the new virus in an ...

Researchers reveal lung's unique innate immune system

... body's respiratory tract is constantly exposed to inhaled particles or microorganisms. The alveola ?tiny air sacs in the lung where exchanges of gases between the respiratory and circulatory systems takes place ?are protected from invading microbes by the alveolar macrophage. Macrophages are white blood ...

Scientists develop a way to make the deadliest toxin known even more toxic

... death. A lethal dose is small--eight tenths of an inhaled microgram for a 175-pound person. Because of its highly potent neurotoxic activity, Janda added, the use of BoNT is also of substantial global concern as a potential bioterrorist weapon. One of the main drawbacks associated with BoNT as a therape...

Allergy battle could be won in five years, says scientist

.... "Allergens from pollen or house dust mites are inhaled and then dissolve the binding material between the cells that form these protective linings; they can then enter the body by passing between the cells to cause an allergic response. "The drugs we are developing -- called Allergen Delivery Inhibitor...

Vaccine combined with short-term postexposure antibiotics protects monkeys from inhalational anthrax

...lander commented. "This suggests that the doses of inhaled spores were probably very low. In contrast, computer modeling suggests that protection against higher doses of anthrax spores could require that antibiotics be continued for as long as four months. Adding vaccine to a postexposure regimen of antibio...

High hourly air pollution levels more than double stroke risk

...ion act quickly on the body, say the authors, with inhaled particles detectable in the blood within 60 seconds. Peak levels can stay in the blood for up to an hour. Their findings prompt the authors to suggest that preventive measures should be based on average hourly measures rather than just average daily...

Research suggests beta agonists may alter the immune system

...niversity School of Medicine suggests that certain inhaled asthma medications ?as well as similar chemicals o...ith long-acting beta-agonists be supplemented with inhaled anti-inflammatory medications. Using blood samples from human participants, the scientists measure...

Firefighters face increased risk for certain cancers

...ehyde, LeMasters explains. These substances can be inhaled or absorbed through the skin and occur both at the scene of a fire and in the firehouse, where idling diesel fire trucks produce diesel exhaust. "Firefighters work in an inherently dangerous occupation on a daily basis," LeMasters adds. "As public...

Intravenous gene therapy protects normal tissue of mice during whole-body radiation

...ene therapy can be both swallowed in pill form and inhaled through a nebulizer prior to radiation exposure to protect healthy tissues from damage. In this study, we found that the same therapy administered intravenously also offers protection during exposure to whole-body irradiation." Dr. Greenberger added ...

Monoclonal antibody reduces exacerbations in asthmatics

... All patients in the study cohort continued to use inhaled corticosteroids for their asthma. Study protocol required them to be symptomatic during a two- to four-week run-in period. After the run-in phase, infusions of either infliximab or placebo were administered at weeks zero, two and six. "Treatment w...

Antivirals effectively curb influenza virus

... modes of administration ?oral for oseltamivir and inhaled for zanamivir ?and resultant upper-respiratory vir... both antivirals reduced cough, in earlier studies inhaled zanamivir did not significantly reduce nasal symptoms. In the paper the authors discussed the possib...

Soft-cell approach cuts animal tests

...oxicity for pulmonary toxicants, and a pathway for inhaled chemicals to reach other organs, relevant airway cells and lung cells are a major focus for inhalation studies. The advantage of using human cell lines and cultures is that the researcher can study toxicity mechanisms at the molecular/cellular le...

Get a whiff of this: Smell test could sniff out serious health problems

...tect a smell, you take a smaller sniff than if you inhaled and didn’t detect a smell,?Frank explains. “For someone with normal sense of smell, the size of the sniff when detecting an odor is cut in half. For someone who cannot detect odor, the size of the sniff for just air and the size of the sniff for an o...

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