New nanocomposites may mean more durable tooth fillings
...self, but buffer it against the decay-causing acid produced by bacteria in the mouth. Yet the available ion-releasing compounds are structurally quite weak, to the point where they weaken the filling as a whole. To get around this conundrum, the Paffenbarger researchers have devised a spray-drying techniqu...Pioneering research on sleeping sickness wins MERIAL Award for Parasitology
...m the body - but for some reason the amount of TNF produced is excessive. This over-production of TNF leads to symptoms such as anemia and extreme weight loss, which can result in death. The search for a vaccine These findings have led Magez and his colleagues to try to prevent the over-production of TNF...Oxford physiology professor earns APS' Walter B. Cannon Award
...nent neonatal diabetes mellitus. Their discovery produced dramatic changes in the lives of children born with the disease. As a result of their research, these children have been able to switch from daily insulin injections to a daily pill, transforming both their lives and that of their parents. Physiol...Tips from the Journals of the American Society for Microbiology
...he event of an attack. In the study researchers produced Salmonella enterica serovar Typhimurium expressing differing levels of the necessary protective antigen to induce anthrax immunity and orally immunized groups of mice. Following immunization the mice were then challenged with aerosolized anthrax spo...Researchers identify new genetic risk factors for type 2 diabetes
...of beta cells. CDKN2A and CDKN2B. The proteins produced by these two genes inhibit the activity of cyclin-dependent protein kinases, including one that has been shown to influence the growth of beta cells in mice. Interestingly, these genes have been heavily studied for their role in cancer, but their con...Researchers 'look into' plant cells to increase ethanol yields
...neering, applies to cellulosic ethanol, or ethanol produced from cellulose, which is a key component of plant's cell walls. Using high-resolution imaging and chemical analyses, the researchers determined that pretreatment opens reactive areas within the cells of the corn stover - another name for postharves...U of M-led study identifies new genetic risk factors for type 2 diabetes
...n of beta cells. CDKN2A and CDKN2B. The proteins produced by these two genes inhibit the activity of cyclin-dependent protein kinases, including one that has been shown to influence the growth of beta cells in mice. Interestingly, these genes have been heavily studied for their role in cancer, but their con...Krber Prize to ETH Zurich Professor Seeberger
...sease of interest. These glycans are extracted, or produced chemically, then connected to a harmless protein. This conjugate vaccine is injected into the recipient. The immune system develops antibodies to these glycans, which will provide protection when a natural pathogen later enters the body. Using the ...Scientists identify key to integrating transplanted nerve cells into injured tissue
...cells were injected into damaged retinas and those produced when they attempted to transplant whole retina tissue into the eyes of mice with degenerated retinas. They foundin the stem cell injected retinasan increase in the amount of and the level of activity of the molecule MMP-2 in host tissue. They conclud...UC researchers shatter world records with length of latest carbon nanotube arrays
...quipment Corporation of Ronkonkoma, New York) have produced extremely long CNT arrays (18 mm) on their EasyTub...re-growth experiment on a separate substrate, they produced an 11-mm long CNT array. This array was then successfully peeled completely off the substrate. Witho...Researcher finds negative effects of colonization on slash-and-burn farming method in western Borneo
..., insecurity and demoralization that this fighting produced created short-term survival strategies, including a preference for old growth forest and unsustainable farming practices." According to Wadley, the Iban traditionally lived in longhouses (compounds made of semi-autonomous, usually related families)...Study shows food preparation may play a bigger role in chronic disease than was previously thought
...s, such as meats and cheeses. AGEs, which are also produced when food products are sterilized and pasteurized, have been linked to inflammation, insulin resistance, diabetes, vascular and kidney disease, and Alzheimers disease. A new study at Mount Sinai School of Medicine reveals that AGE levels are eleva...Corn, oats, cherries and red wine's high melatonin content can help delay aging
... the consumption of melatonin a natural substance produced in small amounts by human beings and present in ma...se of melatonin since, being a substance naturally produced by the body, it cannot be patented and the drug industry would not make much profit out of its artif...Mosquito genes explain response to climate change
...ity of Oregon researchers studying mosquitoes have produced the first chromosomal map that shows regions of chromosomes that activate and are apparently evolving in animals in response to climate change. The map will allow researchers to narrow their focus to identify specific genes that control the seas......fat hormone that turns off hunger in the brain, is produced in the body throughout life. Its discovery was heralded as a major breakthrough, but research in adults proved disappointing because individuals soon seemed to resist its hunger-quenching effect. But Cawthorne says this time things are different. ...Similar brain chemicals influence aggression in fruit flies and humans
...ed drug treatments and genetic engineering we have produced flies that make increased or decreased amounts of serotonin, or whose nerve cells that use serotonin or neuropeptide F are silent or inactive. Our investigations showed that the more serotonin a fly makes, the more aggressive it will be towards other...Strawberry daiquiris -- the extra-healthy cocktail?
...y work by helping to mop up damaging free radicals produced naturally during a persons normal metabolism. Those who arent keen on strawberry daiquiris might be relieved to know that the scientists found similar results with blackberries, meaning that a blackberry-crowned champagne cocktail might achieve th...2-protein team would be lost without each other
...key regulatory gene. In Arabidopsis, Short-root is produced in the center of the root tip and moves outward to adjacent cells. Along the way, it promotes cell division and identity. In the single layer of cells called the endodermis, it also activates a gene to manufacture its partner, Scarecrow, which is als...Freeze! Scientists film proteins at work by freezing them at different states
...l living organisms have to fight oxidative stress, produced by outflows of the oxygen metabolism. In humans, about 2% of the oxygen used to breathe is transformed into this toxic superoxide radical molecule, instead of water. This production is increased in people affected by neurodegenerative diseases such a......d for four hours, some of their symbiotic bacteria produced about 100 times more of the ibpA-encoded heat-shoc... the protective heat-shock protein. Tucson genes produced three times more RNA than the normal genes from lab colony aphids. The lab colony genes produced abo...