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Tag: "fast" at biology news

Fantastic Voyage: A new nanoscale view of the biological world

... You can count how many there are and measure how fast they are used and replaced. It is this level of resolution and quantification that MIMS makes possible within cells." Lechene, of Harvard Medical School and Brigham and Women's Hospital in the US, worked with colleagues from around the world to ...

The subtleties of tropical forest demise

...n satellite images or aerial photos to tell us how fast tropical forests are disappearing, but many of the new and emerging threats are virtually invisible, unless you're on the ground." The editors define four categories of emerging threats to tropical forests: (1) Those that have only recently appeared...

Fast test for low blood flow in dogs detects early heart trouble

..., Johns Hopkins heart specialists have developed a fast and accurate means of tracking blood that has been... chest pain, by providing a safe, non-invasive and fast method to detect blood-flow problems in heart tissue. "Because it takes less than 15 minutes to ...

MIT material stops bleeding in seconds

...ne in a messy environment such as a battlefield. A fast and reliable way to stop bleeding during surgery would allow surgeons better access and better visibility during the operation. "The time to perform an operation could potentially be reduced by up to 50 percent," said Ellis-Behnke. Unlike some me...

End of deforestation in view? Experts advance new way to size up global forest resources

...th from 1992 to 2001. Forests are also recovering fast in the Dominican Republic, in harsh contrast to de... would mean that atmospheric CO2 might not rise as fast as many fear." As well, forest transitions are good news for wildlife like tigers and moose whose...

Biodegradable napkin -- featuring sensitive nanofibers -- may quickly detect biohazards

... used by people with limited training to provide a fast indication of whether a biohazard is present." ...

Squid-inspired design could mean better handling of underwater vehicles

...ss precise, vehicle or a boxier one that is not as fast and more difficult to transport to work locations." Manned and unmanned underwater vehicles enable scientific researchers to explore ecosystems around the globe, from undersea volcanoes near Hawaii to the frigid depths beneath pack ice in the Nor...

Vaccine for brain tumors shows promising results

...y and radiation therapy. Vitespen has been granted fast track and orphan drug designations from the Food and Drug Administration in both metastatic melanoma (skin cancer) and renal cell carcinoma (kidney cancer). The UCSF clinical trial is a phase1/2 study designed to establish the feasibility, safety...

New dyslexia theory blames 'noise'

...med dyslexia on a neural deficit in processing the fast sounds of language. Instead, the studies sugges... named for a type of neuron involved in processing fast visual information - that influenced dyslexia research for decades. The researchers found that t...

Slow brain waves play key role in coordinating complex activity

... brain oscillations, or theta waves, "tune in" the fast brain oscillations called high-gamma waves that si... occur up to 200 times per second - and perhaps as fast as 300 times per second. Waves with 80-200 oscillations per second are called high-gamma, though the...

Abnormal overexpression of p53 is a predictive molecular biomarker

...erapy, according to Introgen, and has been granted fast track designation for an application of use in head and neck cancer. Results from two phase II clinical trials involving more than 160 SCCHN patients have found that 18 percent of patients treated with Advexin achieved local regional disease control....

Altered perception of reward in human cocaine addiction

...ask) and the objective measures of motivation (how fast and accurately they performed on the task). "These behavioral data implicate a disruption in the ability to perceive inner motivational drives in cocaine addiction," Goldstein said. The fMRI results also revealed that non-addicted subjects respond...

Scientists get best look ever at water-life connection

...lionth of a second] time scale, because that's how fast proteins move," he said. "And a physicist will tel...onth of a second] time scale -- because that's how fast water molecules move. And someone who uses X-rays will give you a different answer than someone who ...

HIV exploits competition among T-cells

...rs. In this phase, a small amount of virus mutates fast enough to escape initial detection and continues to mutate over time. The third phase, AIDS, occurs when the virus has changed so much that the body's T cells are no longer effective at keeping it in check. Deem and Wang's computer model accurately...

Holiday gluttony can spell disaster for undiagnosed diabetics

...g these tips: Set consistent meal times. Avoid fast food. At parties, cut food portions in half or don't eat large portions of food, even healthy food. Eat skinless chicken or turkey. Use low-calorie ingredients when making treats. Exercise regularly. Go on walks to see holiday display...

MIT designs portable 'lab on a chip'

...n flow rate, by almost a factor of twenty, so that fast (mm/sec) flows, comparable to pressure-driven systems, can be attained with battery voltages. Experiments in the lab of Todd Thorsen, assistant professor of mechanical engineering, have recently demonstrated the effectiveness of the design. "It's j...

Cellular traffic backups implicated in skeletal malformations

...ange," Knapik said. One possibility is that the fast growth of the craniofacial skeleton, which begins forming around day three, is more sensitive to the slow-down of protein transport than other cell types. Still, the results suggest that another unidentified mechanism for protein transport may exist ...

Biofuel cells without the bio cells

...fficient amounts of protein. The tags also allowed fast measurements of protein-mineral binding. The researchers supplied the protein with energy--directly as electrons or in the form of a natural cellular fuel called NADH--and only during binding detected charge-transfer from protein to mineral, throu...

Humpback whales have brain cells also found in humans

...tural feature may have evolved in order to promote fast and efficient communication between neurons. The other notable feature was the presence of spindle cells in the humpback cortex in areas comparable to hominids and in other areas of the whale brain as well. Although the function of spindle neurons is...

Scientists find a key to immune system's ability to remember

...s not required by memory cells, which initiate the fast and furious response when that same pathogen comes calling again years later. Unlike naïve T cells, which are confined to the lymphatic system, memory T cells are found everywhere in the body, enabling them to sense and react more quickly when an inf...

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