Tag: "diamond" at biology news
How far to the nearest road?
...ed into 8.6 billion parcels the size of a baseball diamond
infield, and that you could stand on home plate in each of these parcels," said Riitters. "According to our model, in one out of every 22 cases there would be a road no further away from you than second base. In one in five cases, the road is no furt...
Diamond in the rough...and on the chip
... ONR funded advancements in a stable, DNA-modified diamond
film that coupled with modern electronics on a si... electrical response when biomolecules bind to the diamond
surface." The sensor being developed will be about the size of a postage stamp and could be place...
Diamond film may enable critical new sensors for bioterror
...s biological agents. Now, with the help of a novel diamond
film developed by chemists at the University of Wi...wfound ability to make highly stable, DNA-modified diamond
films. The ability to build a stable platform that can "constantly sniff" for anything unusual - and...
Bugs from the deep may be window into the origins of life -- on earth and beyond
...rial populations within the walls of South African diamond
mines, at depths between 0.8 and 3.3 kilometers. There, temperatures reach up to 60 degrees C and pressures are nearly 250 times as high as on the surface. The microbes that Onstott and his colleagues have found are unlike any living near the Earth's...
November GEOLOGY and GSA TODAY media highlights
... the island Fjortoft, western Norway: Evidence for diamond
formation in mantle rocks during deep continental ... is so far unique because now, for the first time, diamond
formed in a subduction zone during UHP metamorphic conditions, was found within mantle rocks and not...
Carbon nanotubes found to fluoresce
...ird molecular form of carbon that is distinct from diamond
and graphite. The discovery of fullerenes in 1985 ...tricity as well as copper, conduct heat as well as diamond
and are 100 times stronger than steel at one-sixth the weight. Much of Smalley's current research in...
World's largest scientific society celebrates womens achievements
...advancement of women chemists. This year marks the diamond
jubilee and in celebration a series of events will be held during the national meeting of the Society, April 7-11, in Orlando. The theme is Diversity in the 21st Century Advancing Women in Science. WHAT: ACS Presidential Symposium honoring Women ...
Common microbes survive pressures equal to those found at 50 kilometers inside the Earths crust
... of high-pressure physics to microbiology by using diamond
anvil cells to subject two bacteria species-E. coli commonly found in the human gut, and the metal reducing Shewanella oneidensis-to pressures up to 16 thousand times the pressure found at sea level. This is a very high-pressure condition for biology...
New portable device senses chemical weapons
...mirrors. In many cases, parts made by single-point diamond
turning are required. The likelihood that such intricate machinery can survive portable application scenarios is low and that is why FT-IR has been confined to the laboratory environment for the most part. The UD design relies on an infrared light b...
NC State scientists confirm second toxic pfiesteria species
... between these species is the difference between a diamond
and a triangle," Burkholder explained. Thus far, P. shumwayae has been found to overlap the geographic distribution of P. piscicida: The single-celled organisms inhabit the brackish waters of estuaries from the Chesapeake Bay and Pamlico Sound south...
Microbes in basalt thrive on mixed diet of toxic waste
...lman says, and to do so she had to devise a unique diamond
saw that could cutthin slices from fresh basalt cores, slowly, at cool temperatures, under asepticconditions. Over a period of four months the slices of native rock, with theirresident communities of microbes still in place, were exposed to ...
DNA: A sloppier copier
...esreserved for expert skiers, called it the "black diamond
of DNA biochemistry." In the latest experiment, however, Goodman and his colleagues succeeded inelucidating this protein complex, which has been designated umuD'2C. Itconsists of two slightly modified molecules of the umuD protein, plus onemolecule ...