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Tag: "control" at biology news

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...above the seafloor. The transducer was cabled to a control and data-acquisition unit consisting of a computer and other electronic hardware. Fish TV's transmitters sent out 1.6 megahertz "pings" that bounced off the zooplankton and returned data to the instrument's receivers. It's a system not unlike those ...

New Vaccine To Be Used For First Time In Polio Outbreak Response

...atricians remain on the ground, to investigate and control the outbreak and to intensify the planning for appropriate supplementary immunization activities. Four cases of polio were confirmed on 20 April in just one governorate in the south-western part of the country, on the Red Sea coast. The latest 18 ca...

Understanding biases in epidemic models important when making public health predictions

...n and they can allow the comparison of alternative control measures. Often, however, such models make implicit assumptions that may systematically bias their predictions, say researchers at the University of Georgia. In a paper published today in the online open-access journal PLoS (Public Library of Scienc...

Major breakthrough in the treatment of cancers and infectious diseases

... identify new anti-cancer, anti-infection response control mechanism Dr. André Veillette, a researcher at the Institut de recherches cliniques de Montréal (IRCM), and his team will publish in the upcoming issue of the prestigious journal Nature Immunology of Nature Publishing Group, a discovery that could s...

Inhaling large amounts of salt can cause hypertension

...n and they can allow the comparison of alternative control measures. Often, however, such models make implicit assumptions that may systematically bias their predictions, say researchers at the University of Georgia. In a paper published today in the online open-access journal PLoS (Public Library of Scienc...

Virginia Tech group adds tools to DNA-targeted anti-cancer drugs

...more units that will absorb light - providing more control over the range of light frequencies that can be included and excluded as signals and the responses. Karen Brewer, professor of chemistry, will give an invited talk, and her students will present a number of posters at the American Chemical Society (...

Field of beams - Novel system uses polarized light pulses to reveal crop health

...n and they can allow the comparison of alternative control measures. Often, however, such models make implicit assumptions that may systematically bias their predictions, say researchers at the University of Georgia. In a paper published today in the online open-access journal PLoS (Public Library of Scienc...

Bad aftertaste? New sensory on/off switch may 'cure' bane of artificial sweetener search

...more units that will absorb light - providing more control over the range of light frequencies that can be included and excluded as signals and the responses. Karen Brewer, professor of chemistry, will give an invited talk, and her students will present a number of posters at the American Chemical Society (...

Malaria killing a million a year

...ut "many countries are moving forward with malaria control programmes and even those with limited resources a...nly $600 million was contributed to global malaria control this year, when $3.2 billion was needed to fight the disease effectively in the 82 countries with th...

How monarch butterflies are wired for navigation

...sects in a "flight simulator," in which they could control the light polarization and thus influence the butterflies' direction of flight. The researchers found that when they placed a UV-interference filter over the polarized light source, the butterflies lost their orientation response. The researchers al...

Purdue scientists may have found key to halting spinal cord damage

... oxygen for up to an hour without harm if only you control the acrolein levels," Shi said. "This paper suggests that the body is generally pretty resilient but that acrolein may be something it can't handle." Shi said that some drugs already under development for other conditions could be used to treat neur...

New insights into how Huntington's disease attacks the brain

...first set of mice demonstrated problems with motor control and showed visible degeneration of the target brain cells. In contrast, the second set of mice showed little signs of the disease. "This is the first direct genetic evidence to demonstrate that abnormal interactions between cells can significantly c...

Environmental chemical cocktail may sabotage sperm

...ng signs. Very little is currently known about the control of sperm function, especially in the body rather than in the laboratory, but the sensitivity of human sperm to these chemicals means that further investigations should be carried out to determine whether such environmental compounds might contribute ...

Novel compounds show promise as safer, more potent insecticides

...h block acetylcholinesterase, an enzyme that helps control nerve activity. Some experts are concerned that th...lic diamides, these novel compounds show excellent control of pest insects with exceptional mammalian safety, according to the researchers. They were the first...

Scientists find microRNAs regulate plant development

...by affecting the expression of numerous genes that control the processes of cell division and cell expansion ...ch reported in The Plant Cell shows that microRNAs control the accumulation of transcription factor proteins that regulate the expression of genes in the auxin...

New vaccine protects more effectively against tuberculosis

...s. A more efficient vaccine is urgently needed for control of this global threat. Recombinant BCG, which express listeriolysin and is deleted for the urease gene, has been created and shown to stimulate far more efficacious protection against tuberculosis than the BCG vaccine currently in use. This new vac...

Scientists discover that three molecules may be developed into new Alzheimer's drugs

...ral different medications will likely be needed to control it, said Kosik. The same is true for many other diseases –?from AIDS to cancer. "It is likely that we will need to strategically target different aspects of the disease and put them together." Kosik and his team chose to focus on the neurofibrillary...

Scientists at Galileo Pharmaceuticals confirm inflammatory response linked to glucose levels

...ral different medications will likely be needed to control it, said Kosik. The same is true for many other diseases –?from AIDS to cancer. "It is likely that we will need to strategically target different aspects of the disease and put them together." Kosik and his team chose to focus on the neurofibrillary...

Insects develop resistance to engineered crops

...essure on the second toxin in a pyramided plant to control the insect," Shelton added. While single-gene Bt plants are most prevalent, industry trends suggest that pyramided plants may be favored in the future. In Australia, the use of single-gene Bt cotton was discontinued two years after farmers began pla...

Why are coyotes getting more aggressive?

...ttempt to get close to a coyote. # Keep pets under control and do not to leave them out at night. Coyotes may kill or injure a pet, especially small dogs and cats. Walk dogs on leashes and accompany pets outdoors, especially at night. Provide secure shelters for poultry, rabbits and other vulnerable animals....

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