Tag: "choke" at biology news
Unexpected lock and key mechanism found for the assembly of tumor blood vessels
...researchers believe that blocking angiogenesis may choke
off a tumor's blood supply and kill the cancerous cell. Varner and her team found that a specific integrin protein called alpha 4 beta 1 was produced at high levels in one part of a developing blood vessel, the interior area called the endothelia. ...
Fungus helps tall fescue choke out native plants
...biotic fungus Neotyphodium coenophialum, tended to choke
out uninfected fescue and native plant species. Tall fescue took over test plots much more quickly when herbivores had full access. The research appears in the Aug. 30 issue of the Proceedings of the National Academy of Science . "The practical impl...
MIT develops nanoparticles to battle cancer
...to be used as a means to cause clots big enough to choke
off the blood supply to the tumor or to deliver drugs directly into the tumor. But there are challenges ahead. For one, the team must verify that these particles only accumulate where they are desired. Also, they need better ways to keep the nanop...
Removing a hydrogen fuel-cell roadblock
...adium is $11,000 a kilogram, and even if you didnt choke
at the price, there isnt enough palladium in the entire world to convert the worlds automobiles to hydrogen power," Russell said. "So the trick is to find a material with the same properties as palladium that is cheaper and much more readily availabl...
Dinosaur hearing, listening to muscle noise, quieter cubicles
...d for the shallow-water (less than 20 meters deep) choke
points of harbor entrances, which often have high levels of ambient noise. Peter J. Stein ( firstname.lastname@example.org ) of New Hampshire-based Science Solutions, Inc. will present the Swimmer Detection Sonar Network (SDSN), designed to be a cost-effective me...