Tag: "cavities" at biology news
Healthy mix of GI tract microbes are key to preventing allergies and asthma
...al allergen derived from egg whites via the nasal cavities
of all the mice in the study. Then, she examined the mice for the presence of an allergic response in the airways and compared results between mice that received antibiotics and those that did not. "The antibiotic-treated mice showed increased airway...
Falling ants glide back to trunk to avoid dangers of forest floor
...nd collects mosquito larvae from water-filled tree cavities
and also collects adult females who've had a recent meal of blood his own. He and Dudley are applying for grants to do a more systematic survey to see how common gliding is among the hundreds of species of canopy ants as well as other insects that l...
Spit, and call me in the morning
...ancer. Others can be used to predict the number of cavities
in a person's teeth and perhaps even where in the mouth the cavities
will develop, according to new research. Saliva is also relatively easy to collect, since spitting i...
Purdue proves concept of using nano-materials for drug discovery
...ls discussed in the research paper are cylindrical cavities
that are open at the top and sealed at the bottom with a material called alumina, which contains numerous pores measured in nanometers, or billionths of a meter. Researchers are working to duplicate how cell membranes function on chips in order to te...
U-M scientist to talk about tissue engineering at AAAS
...ave a long tradition of finding ways to fill tooth cavities
that will not heal on their own, Krebsbach said, and that has led to research in biomaterials, bone and connective tissue function, and then tissue engineering. At Michigan, tissue engineering collaboration includes dentists, M.D.s and engineers, amo...
Ophthalmologists and physicists team up to design 'bionic eye'
...ther design--pore electrodes--involves an array of cavities
with stimulating electrodes located inside each of them. How does the system work when viewing, say, a flower? First, light from the flower enters the video camera. (Keep in mind that camera technology is already pretty good at adjusting contrast and...
Friendly bacteria in humans may protect against HIV
...us, commonly found colonizing the oral and vaginal cavities
of humans. They do not cause disease. They target HIV because the virus is coated with the sugar mannose, which they use as a food source. "Different bacteria have different sugar preferences," says Tao. "To block HIV, however, we needed to find...
Researchers find genetic link to cerebral hemorrhage and porencephaly
... brains of porencephaly patients show degenerative cavities
and lesions. Researchers have suspected that the damage is the consequence of fetal trauma and/or genes affecting blood clotting that predispose to hemorrhage. An international team discovered a genetic defect that weakens blood vessels in the brain,...
Raisins as a functional food for oral health
... in raisins fight bacteria in the mouth that cause cavities
and gum disease, according to research presented t...enefit oral health by fighting bacteria that cause cavities
and gum disease." In an earlier unpublished study, Wu's collaborator Dr. Shahrbanoo Fadavi (Pediatri...
Saved by a straw?
...roper oral hygiene techniques at a higher risk for cavities
and other oral health problems. However, accordin...from decay. A dentist can tell when a patient gets cavities
from drinking acidic beverages, such as soft drinks, since the decayed areas are often darker in col...
Breakthrough: Scientists create world's tiniest organic particles
...molds look something like ice cube trays with tiny cavities
in them. After that, we mold the carrier and fragile functional materials into whatever particles we want and gently wash them off the molds with buffer solutions into vials or other containers to concentrate them. Then they can be injected." DeSimon...
Researchers discover stem cell 'guide' that may be key for targeting neural stem cell treatments
...e of the lateralventricles, which are fluid-filled cavities
in both brain hemispheresconnected the central canal of the spinal cord. Zhou and his colleagues discovered how PK2 guides the migration ofneurons born from neural stem cells from the subventricular zone in thebrain's core through mature tissue to r...
Scripps research scientists discover new key to pulmonary edema in respiratory distress syndrome
... of airways and air sacs so elaborate that the air cavities
inside the lungs encompass an area about 40 times ...an the surface area of the entire body. These air cavities
play a crucial role for the body because they let oxygen into the bloodstream, where it is picked up...
U-M scientists discover identifying markers for primitive blood-forming stem cells
...alled osteoblasts, which line the inside of hollow cavities
in bone that contain bone marrow. Using SLAM markers, we discovered hematopoietic stem cells also congregate in the sinusoidal endothelium porous cells lining the inside of blood vessels that carry oxygen throughout bone marrow and the spleen. "The ...
Researchers find Amchitka seafood safe for now
...to the sea of any nuclear material that leaves the cavities
created by the nuclear test shots will travel more...y known technology to address the radioactive shot cavities
themselves; hence future surveillance is needed and the study serves to provide baseline data for th...
Hidden sponges determine coral reef's nutrient cycle
... more than 60 percent of the cavities. Further the cavities
were found to have a surface area eight times greater than that of the coral reef, as seen from above by divers. Filterers And according to Scheffers a larger living surface also means a larger filtering surface. Sponges filter the water. They take...
Pillows - a hot bed of fungal spores
...ould be problematic. It can also get into the lung cavities
created by tuberculosis which affects a third of the world's population, causing general ill-health and bleeding in the lung, as well as causing a range of plant and animal diseases. Dr Geoffrey Scott, Chairman of the Fungal Research Trust which fun...
Sontra Medical and HortResearch form partnership to develop sports performance technology
...ic energy to the skin. The sounds waves open small cavities
in the skin by disorganizing the lipid bi-layer, creating tiny, reversible channels through which fluids can be extracted and delivered. The skin goes back to its normal state within 24 hours. Currently marketed by Sontra Medical for accelerating del...
Give thanks for the cranberry, say dental researchers
... making it difficult for the bacteria that causes cavities
to cling to tooth surfaces. Stickiness is everythi...e microbe Streptococcus mutans, which creates most cavities
by eating sugars and then excreting acids that cause dental decay. "Scientists believe that one of t...
X-rays good predictor of survival in avian flu patients
...ce surrounding the lungs, enlarged lymph nodes and cavities
forming in the lung tissue-were absent in patients with SARS." The influenza virus that causes avian flu is highly unstable and prone to mutations. While common in birds, some experts warn that this virus could mutate and become contagious between hu...
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