Nasal in Biological News

CT scans reveal that dinosaurs were airheads

... Though most researchers have assumed that the nasal passages in armored dinosaurs would mimic the ... or air pockets. "Not only do these guys have nasal cavities like crazy straws, they also have highly vascular snouts. The nasal passages run right next to large blood vessels, ...

First comprehensive genomic study of common cold reveals new treatment targets

... were given a sham inoculation in the form of a nasal saline spray. The volunteers were all healthy ... infection, researchers scraped small samples of nasal epithelial cells, which line the passages of the ... Rhinovirus-16 and other cold viruses infect these nasal cells, which are the body's first line of defense ...

Key to function of dinosaur crests found in brain structure

... structures contain incredibly long, convoluted nasal passages that loop up over the tops of their ... mysterious crests and reconstruct the brains and nasal cavities of four different lambeosaur species. ... the shape of the bones that encase the brain and nasal passages are," said Evans. "From there, the ...

Brain structure provides key to unraveling function of bizarre dinosaur crests

... structures contain incredibly long, convoluted nasal passages that loop up over the tops of their ... mysterious crests and reconstruct the brains and nasal cavities of four different lambeosaur species. At ... the shape of the bones that encase the brain and nasal passages are," said Evans. "From there, the ...

Nano vaccine for hepatitis B shows promise for third world

... "Our results indicate that needle-free nasal immunization, using a combination of nanoemulsion ... effect. There was no local inflammation at the nasal site of administration with the new vaccine. ... because one of the major concerns for nasal administration of vaccines is that they can find ...

Irritating smells alert special cells, NIH-funded study finds

... has uncovered an unexpected role for specific nasal cavity cells. Researchers funded by the National ... found similar solitary chemosensory cells in the nasal cavities, airways and gastrointestinal tracts of ... Solitary chemosensory cells on the surface of the nasal cavity are in close contact with trigeminal nerve ...

Mayo Clinic Proceedings January tip sheet

... screening and the safety and effectiveness of nasal spray flu vaccine. Mayo Researchers Examine ... Researchers Explore Safety and Effectiveness of nasal Spray Flu Vaccine Influenza is a viral ... The flu vaccine -- available as an injection or a nasal spray -- offers protection against the flu. ...

SinuNase Phase 3 show almost 100 percent of chronic sinusitis cases are from fungal-induced inflamma

... CS based on a history of the requisite symptoms, nasal endoscopy findings, and CT scan demonstrating ... At the time of enrollment, all patients have had nasal mucin collected. Subsequently, these specimens ... the diagnostic used to measure eMBP in the nasal mucin, is a patented technology developed at the ...

Rapid approach to identify influenza A virus mutations and drug resistance developed

... sequence of any influenza A virus, including H1NI, with just a quick nasal swab or nasal pharyngeal wash from patients. The new method, which enables ...

Malfunction of the respiratory epithelium is a cause of allergy?

... that this allergen binds to, enters and travels through conjunctival and nasal epithelium of allergic patients but not of healthy subjects within one ... pollen allergen Bet v 1 changed the expression of hundreds of genes of the nasal epithelium compared to samples taken during winter; and of these genes ...

For some who have lost their sense of smell, a once popular asthma drug could help

... levels of two proteins V cyclic AMP (cAMP) and cyclic GMP (cGMP) -- in nasal mucus inhibited growth and development of olfactory receptor cells and ... to them since it increases the proteins in the mucus levels of their nasal passages." He continued, "These findings do not relate to all patients ...

Skin oil -- ozone interactions worsen air quality in airplanes

... could lead to the formation of chemical byproducts that might worsen nasal irritation, headaches, dry eyes and lips, and other common air traveler ... and decanal, a pair of aldehyde compounds associated with headaches, nasal irritation and with other symptoms of sick building syndrome. More than ...

Mice use specialized neurons to detect carbon dioxide in the air

... express odorant receptor molecules and reside within the lining of the nasal cavity that detect odors. But a small subset express an enzyme called ... exposure to carbon dioxide. Conversely, all the cells in the lining of the nasal cavity that were activated by carbon dioxide are the GC-expressing ....

Swine flu: What does it do to pigs?

... regard to both gross and microscopic lung lesions was greater in the H1N1-infected pigs". All infected pigs developed respiratory symptoms such as nasal discharge, coughing, sneezing and conjunctivitis. Upon pathological examination, lung lesions large enough to be seen by the naked eye were observed. ...

HudsonAlpha investigator develops rapid response swine flu test

... to hospitals, private physician practices and public health departments. Patient samples for the viral respiratory panel are provided from a nasal swab. Members of the general public who are interested in the test should contact a local physician or healthcare facility. Han also developed ...

American Society for Microbiology to host 109th general meeting in Philadelphia

... infections Plugging microbial activities and genomes into the energy grid New concepts and strategies for vaccines Updates on MRSA. Is nasal screening alone enough? The connections between human, animal and environmental health Latest research on the human microbiome and how the ...

From seed to nuts: human ancestor's face evolved to eat survival foods

... on either small, hard objects or large volumes of food. The unique facial features included columns of bone positioned along either side of the nasal cavity that acted as struts to reinforce the face. Using finite element analysis an engineering technique used to examine how structures of ...

Study finds MRSA in Midwestern swine, workers

... Iowa study was the first to investigate carriage of MRSA among swine and swine farmers in the United States. For the study, investigators analyzed nasal swabs of 299 swine and 20 swine workers from two different production systems in Iowa and Illinois. At Production System A, the overall prevalence of ...

Study helps explain connection between sleep apnea, stroke and death

... treated for sleep apnea should remain compliant with treatments, according to Dr. Mohsenin, including use of air pressurization mask or CPAP nasal inserts dental appliances weight reduction for the obese In some cases, surgery may be advised. ...

A BBVA Foundation project comes up with a system enabling detection of cetacean hearing loss

... fish schools. However, all odontocetes or toothed cetaceans share the same method of sound production, which includes the passage of air though their nasal conducts and its expulsion by specialized tissues known as phonic lips located in the upper part of the head. While the mammal is immersed, this air ...

Flu shot protects kids -- even during years with a bad vaccine match

... as part of the CDC-funded New Vaccine Surveillance Network, included 2,400 from 6 months old to 5 years old in Rochester, Nashville and Cincinnati. nasal and throat swabs were used to determine whether children who came to the hospital or participating outpatient practice had the flu. In the ...

Bitter orange SRMs: Tools for product analysis/quality

... people of the Amazon rain forest for nausea, indigestion and constipation. Current uses of bitter orange are for heartburn, loss of appetite, nasal congestion and weight loss. Users also apply it to skin for fungal infections such as ringworm and athletes foot. Bitter orange has been used as ...

American Society for Microbiology 108th General Meeting

... of all living things. Among the topics to be presented are: The effects of climate change on human health New developments in MRSA: nasal carriage in healthy people and MRSA pneumonia The role of normal human flora (native bacteria) on human disease: Has modern medicine ignored ...

New dinosaur from Mexico offers insights into ancient life on West America

... are uncertain what Velafrons fan-shaped crest would have been used for, but a leading hypothesis suggests mate attraction, which explains the complex nasal passages as a possible musical instrument. An Ancient Ecosystem Revealed In addition to Velafrons, the most recent expeditions recovered ...

Prolonged respiratory problems for oil spill clean-up volunteers

... or asthma in the past year; female clean-up workers were 1.7 times more likely than others to chronic phlegm, and 1.6 times as likely to experience nasal symptoms. Excluding workers who reported anxiety or who believed that their health was adversely affected by the spill, the researchers found that ...

Fused nasal bones helped tyrannosaurids dismember prey

... researcher whose finding demonstrates how a fused nasal bone helped turn the animal into a "zoological superweapon." "Fused, arch-like nasal bones are a unique feature of tyrannosaurids," ... such factors as teeth bending strength and nasal and cranium strength. The research is published ...

When smell cells fail they call in stem cell reserves

... but also neighboring, non-nerve cells in the nasal passage. Three weeks after chemical exposure, the researchers examined nasal cells to see which, if any, had grown back. ... they do so by generating the other active type of nasal stem cell.? The team then went back and ...

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses

... or months after surgery fails to keep open the nasal passages, scientists say. The Hopkins ... at the enzyme's tie-ins to asthma, which, like nasal polyps, is an inflammatory response of the body's ... inflammation of the tissue that lines the nasal and sinus cavities, according to the United ...

Flu shot effective against drifted influenza, nasal spray vaccine less so

... in healthy adults. The live attenuated-virus nasal spray vaccine also prevented illnesses but was ... found. Earlier studies had suggested that the nasal spray, sold by MedImmune as FluMist, might offer ... formulation and annual influenza activity. The nasal spray, which is based on a live but weakened ...

Chronic Sinus Infection Thought To Be Tissue Issue, Mayo Clinic Scientists Show It's Snot

... the cause of chronic sinus infections lies in the nasal mucus -- the snot -- not in the nasal and sinus tissue targeted by standard treatment. ... the underlying and presumably damage-inflicting nasal and sinus membrane inflammation, instead of the ...

Smell may outlast other senses

... with age in those who do not smoke, take medications or have a history of nasal problems such as sinusitis. However the ability to smell drops off ... was not apparent in smokers, people on medications or with a history of nasal problems. ...

Penn study on olfactory nerve cells shows why we smell better when we sniff

... organ, is a patch of smell-sensitive tissue on the septal wall of the nasal cavity. The second, the main olfactory epithelium, is a smell-sensitive tissue inside the nasal cavity. Synchronized Breathing The septal organ is only about ...

Triple threat polymer captures and releases

... air, and some day might even be used as a timed drug delivery system –as a nasal spray, for instance. Karen L. Wooley, Ph.D., Washington University ... to promote the release of a volatile agent ?maybe for some kind of nasal inhalation-based delivery of drugs. Or maybe something as simple as a ...

Needle-free immunizations

... of immunization, which include topical application to the skin, pills, nasal sprays, injections, and others. Considerable advances have been made in the past decade, especially in transdermal (through the skin) and nasal immunization. "Unfortunately, because of the development costs of new ...

Live vaccines more effective against horse herpes virus

... type 1 (EHV-1) leads to a mild upper respiratory infection with fever, nasal discharge and fatigue for a day or two. The virus can also cause pregnant ... consistently had lower fevers, no neurological disorders and less virus in nasal fluids. One horse vaccinated with the inactivated virus and one from the ...

Antivirals effectively curb influenza virus

... or affecting influenza virus in the nose. While both antivirals reduced cough, in earlier studies inhaled zanamivir did not significantly reduce nasal symptoms. In the paper the authors discussed the possibility that infectious droplets inhaled and exhaled from the nose may be important in viral ...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

... lips, said Dr. Schleiss. The virus can enter through mucosal surfaces such as the mouth or breaks in the skin. It can also be transmitted through nasal secretions, blood transfusions, and sexual contact. Most adults will become infected with CMV at some point during their lives. Dr. Schleiss added ...

Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses

... works with viruses isolated from infected cells grown in a lab, and the next step is to study its use in biological samples such as blood, feces or nasal swabs. Tripp said preliminary results are so promising that the researchers are currently working to create an online encyclopedia of Raman shift ...

Blood test predicts success of quitting smoking using the nicotine patch

... cigarettes using the nicotine patch. The smokers who participated in the study quit smoking and started using either the patch or the nicotine nasal spray for eight weeks. Measurements of carbon monoxide levels in exhaled air identified those who were not smoking at the eight-week and six-month ...