Tag: "per" at biology news
Circles of DNA might help predict success of stem cell transplantation
...hy donors contained 1,200 to 155,000 sjTREC copies per
milliliter of blood, the investigators chose 1,200...ulations. In patients with fewer than 1,200 copies per
milliliter, the transplantation was likely either to fail or be significantly slow in reconstructing...
EMBO, HHMI join forces to promote brain gain
...years for up to six grants. Another $25,000 a year per
grant will come from the participating member countries and EMBO. EMBO will oversee the EMBO/HHMI Startup Grants as part of its Young Investigator Programme, which has been identifying and supporting exceptional young scientists in Europe since 2000...
New stem cell source could boost bone marrow success
...yet common procedure that currently has a 30 to 40 per
cent success rate in treating disease. Professor John Davies of U of T's Institute of Biomaterials and Biomedical Engineering (IBBME) and the study's lead author, says that the cells around the vessels human umbilical cord perivascular (HUCPV) ce...
Falling ants glide back to trunk to avoid dangers of forest floor
...all at a relatively high velocity, around 4 meters per
second (12 feet per
second), and approach the tree at a steep angle. This means they frequently bounce off the trunk, th...
When cobras spit, there's not a dry eye in the house
...ue spitting cobras even reaching the target in 100 per
cent of cases. However, there was a clear difference in the traces left by the two species: whereas the black-necked cobra sprayed its venom, the attack by the red Mozambique cobra is reminiscent of something shot from a double-barrelled water pistol...
New system can measure productivity of oceans
...nness' in phytoplankton its level of pigmentation per
cell is a reflection of its growth rate, said David Siegel of the University of California, Santa Barbara, the third author on the paper. The researchers have discovered a means to measure phytoplankton biomass from ocean light scattering properties...
Scientists propose new approach to estimating global ocean productivity
...ght conditions produce as much or more chlorophyll per
cell as plants growing in full sunlight, says Boss...being able to assess how much chlorophyll there is per
unit of carbon is key to saying how fast these guys are growing, fixing carbon, producing oxygen and...
National Inventors Hall of Fame announces 2005 inductees
... Old Ironsides, which could go as fast as 28 miles per
hour and pull up to 30 tons. His company, the Baldwin Locomotive Works, helped to establish America's early railroad system. C. Donald Bateman (1932- ) Ground Proximity Warning System-GPWS Aviation safety devices GPWS and Enhanced GPWS have saved c...
Assumptions of effects of rising carbon dioxide probed
... showed less of a decline in the number of species per
sample a standard ecological measure of biodivers...ng the next century to concentrations of 550 parts per
million, significantly greater than todays concentrations of almost 370 p.p.m. A major research effo...
Chemical analysis of mushrooms shows their nutritional benefits
... oligosaccharide concentration of 5,272 micrograms per
gram (ug/g). Also found to have more than 1,000 ug/g were raw, mature portabellas and cooked, immature crimini. None were detected in enokis, maitakes or shiitakes. Most of the total oligosaccharides were in the form of glucooligosaccharides, but fru...
Stimuli and desire linked to help stroke patients
...on patients who had lost hand and arm movement; 85 per
cent of stroke patients never recover movement. The control group received standard physiotherapy and occupational therapy, while the treatment group trained with the neuroprosthesis in addition to the standard therapy. "In the treatment group, we sh...
'Blips' in HIV treatment are not cause for alarm
...ment now is to suppress viremia below fifty copies per
milliliter, which is the limit of detection of the...nly sensitive down to levels of about 1,000 copies per
milliliter. So, without the ability to test for resistance at 120 copies, clinicians are left in the...
Singers (and parents) take note: Worst songbird rehearsals precede best debuts
...ry vocalization--approximately a million syllables per
bird--made by 12 young male zebra finches over several months as the birds learned to imitate and perfect their own renditions of recorded adult male zebra finch songs. To assess the musical progress or lack thereof of the young birds, the City Colle...
Are IVF embryos starved of a vital ingredient?
...s surviving to the blastocyst stage, from 35 to 75 per
cent. She is working with a Danish company called Medicult on products containing GM-CSF. But if GM-CSF increases survival by keeping abnormal embryos alive, it could increase the risk of health problems, Handyside points out. He thinks existing gro...
Teams build robots that walk like humans
...es human efficiency, consuming an amount of energy per
unit weight and distance comparable to a human walker. The MIT and Delft robots, though not built deliberately to be energy-efficient, still use much less energy than, say, their famous cousin, Honda's Asimo. How do they move? The Cornell robot supp...
USGS featured at AAAS - Nation's largest science meeting
...s, and microorganisms total more than $100 billion per
year. To mitigate this global threat requires early detection, and rapid response. This symposium features several USGS scientists and their cooperators who will discuss international efforts to develop a Global Invasive Species Information Network...
Tips from the Journals of the American Society for Microbiology
...ulf coasts during the summer of 2002 and four bays per
coast in the winter of 2002, and tested for the presence of Salmonella. Results showed that 7.4% of the oysters tested were positive for Salmonella and they came from all three U.S. coasts. "Potential pathogenic serotypes of Salmonella were isolated...
Robots walk with close-to-human efficiency
...cs. The Cornell robot consumes an amount of energy per
unit weight and distance comparable to a human walker. In contrast, they estimate that the Honda Asimo uses at least 10 times as much energy as a human. The MIT and Delft robots, though not built deliberately to be energy-efficient, also use much les...
Biological clock may shut down long-term memory at night
...ripled research grants to approximately $6 million per
year and developed the department's research foci of neuroscience, the biological clocks and infectious disease. The author or co-author of more than 150 publications, he has received numerous honors, including the Esther Farfel Award, the universit...
Merck / AAAS announce 2005 winners for outstanding undergraduate research programs
...es up to $60,000, paid over three years at $20,000 per
year, for joint use by the biology and chemistry departments at each recipient institution. The funding supports research stipends for undergraduate students and ancillary programs that foster interactions between these departments. Launched in 2000 ...
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