Tag: "filters" at biology news
Revealing bizarre deep-sea secrets
...ueensland, and colleagues, will be using polarized filters
on the submersible video camera. Just as polarized...ew into the water by blocking out glare, polarized filters
in the deep will allow scientists to see animals that hide from their predators--and normal cameras-...
When sun's too strong, plankton make clouds
... substance called dimethylsulfide (DMS). DMS then filters
from the ocean into the air, where it reacts with oxygen, to form different sulfur compounds. Sulfur in the DMS sticks together in the air and creates tiny dust-like particles. These particles are just the right size for water to condense on, which i...
Staying on the path - One atom at a time
...an enhance conductivity inbatteries, flow paths in filters
and numerous other percolationmechanisms. Sastry won a 1997 NSF Presidential Early Career Award forScientists and Engineers (PECASE), the highest honor bestowed bythe United States government on scientists and engineersbeginning their independent re...
Discovery of tiny microbes in ancient Greenland glacier may define limits for life on Earth
...lls appeared to be even smaller and passed through filters
with 0.2-micron pores. The scientists are interest...earch studies because they pass through the finest filters
commonly used to collect cells for analysis," Miteva says. "Scientists believe these dwarf cells be...
Small, cold, & hungry: Ultra-small microbes from 120,000-year-old glacier ice sample
...lls appeared to be even smaller and passed through filters
with 0.2-micron pores. The scientists are interes...earch studies because they pass through the finest filters
commonly used to collect cells for analysis," Miteva says. Scientists believe these dwarf cells be...
Mix of chemicals plus stress damages brain, liver in animals and likely in humans
...a vital organ. And, the less effectively the liver filters
out toxic substances, the more the chemicals can concentrate in the brain and nervous system, he added. Finally, the study showed that stress plus chemicals increased the amount of destructive molecules in the brain called reactive oxygen species -- ...
Passwords to guard entry aren't enough to protect complex data
...d into the wrong hands, Wiederhold suggests adding filters
to outgoing data. Traditional security systems oft...ters at diverse sites are needed. Wiederhold says filters
can and should check outgoing documents for terms warranting more protection. "When these [medical] ...
Portable kidney dialysis machine developed
...nt advance. "That is a major breakthrough, because filters
have always been a problem," he said. "Reducing the size and increasing the efficiency is very important." Although other companies, like Hewlett-Packard, are partnering with OSU researchers to employ MMD technology in new devices, Altman Browning is...
Waste motor oil management may pose threat to health and the environment
Better designed oil filters
and less frequent oil changes are two ways to redu... oil quality has continually improved, but the oil filters
have stayed basically the same for the last 30 years," Boughton says. Most filters
are made of a pap...
Structure of a Nobel-prize winning molecule: Aquaporin
... mechanisms that allow the proteins to function as filters
and maintain osmotic equilibrium. Robert Stroud and colleagues, as reported in this issue of PLoS Biology, have now solved the structure of the water channel from Escherichia coli called aquaporin Z. This channel is especially interesting in that it ...
$51 million research facility, classroom complex breaks ground at UH
... insulated from vibrations, as well as special air filters
to remove dust particles. For additional information about the SERCC, including graphics of the complex, visit http://www.uh.edu/media/serc . WHO: Cesar Pelli and Fred W. Clarke, chief architects of the complexBoth are available for interviews ...
Mantis shrimp fluoresce to enhance signaling in the dim ocean depths
...nsitive to ultraviolet light. Plus, they have four filters
that tune those visual pigments, and they see two or three planes of polarized light. "It's been blowing us away for years how complex the stomatopod visual system is," Caldwell said. "There's no question this is the most complex eye in the animal ki...
NSF news tips - September 22, 2003
... also funded her to work on fabricating biological filters
(ECS-9820829). Erik Demaine of MIT pioneered "computational origami," esoteric mathematics with real-world applications such as unfolding a telescope lens in space, folding proteins and stowing air bags. NSF supported Demaine's postdoctoral fellow...
Researchers develop system to detect biowarfare agents on navy ships
... new protocol, several warships have installed air filters
connected to machines that run polymerase chain re...netic fingerprint of a biowarfare agent. These air filters
"breathe" nearly 70 times the amount of air a sailor breathes. "With PCR, we could find a single gen...
Testing method may be culprit behind abnormal pap test results
...st, a fairly common test that filters
out red blood cells and infla... a high-pressure system that filters
out unwanted cells that changes the physical appearance of healthy squamous ce...
NASA biotechnology activities enhancing quality of life
...w medicine to treat bone loss, a water bottle that filters
out bacteria, a perfume, and advanced techniques for pharmaceutical drug design have in common? These technologies and others have or are being developed by more than 150 companies that are partners with NASA's Space Product Development Program (SPDP...
Mouse model offers new explanation for kidney disease and failure
...teins from the blood routinely flux into the blood filters
of the kidney, but that they normally are quickly ...may normally pass through or become trapped in the filters
of the kidney and that an important process is the removal or clearance of these proteins from the k...
UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter
...treated in biological reactors called biotrickling filters
at rates similar to those observed in chemical scr...xisting chemical scrubbers to biological trickling filters
quite easily." Chemical scrubbing suffers from important drawbacks, such as high operating costs, ge...
Arsenic in New England wells more widespread than thought
...als or private companies. If it's present, special filters
can be purchased that significantly reduce arsenic levels. Bottled drinking water is an alternative. Funding for this study was provided by the USGS National Water-Quality Assessment Program....
Butterflies use polarized light to attract mates
...terfly wings to conspecific males with and without filters
that eliminate polarized light. Males of an iridescent species approached females producing polarized signals significantly more often when signals were not depolarized. Males of another, non-iridescent species approached females, which do not prod...
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