Tag: "needs" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...veloped." The researchers cautioned that more work needs
to be done before the calcium-magnesium method is thoroughly tested. Among other things, the calcium-magnesium ratios in fossil shells could be unacceptably changed as the specimens deteriorate over time. "What Gary is trying to do is determine tempe...
Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...y might only be needed if thevessel is injured and needs
to be repaired. "This makes sense with what we know about the disease," Marchuksaid. "Children with HHT usually don't show any signs they have thedisease. But as they age, and presumably acquire mechanical damage to tinyblood vessels that need to b...
Water Recycling Project Tested in Turkey Plant
... gone through the initial major cooling processand needs
only to be reduced by a couple of degrees as it makes subsequenttrips through the process. Once a supply of water has been used, it passes through a mechanical pretreatmentand then four ozonation cylinders. Ozone gas is pumped into the cylindersto f...
Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
...energy and use carbon dioxide to produce sugars -- needs
two intermediate light-dependent reactions for successful energy conversion: Photosystem II and Photosystem I. But according to a new study reported today (July 19), that dogma may have gone for a walk, and scientists may have to rethink some aspect...
Surprising Protein Movement Seen In Cells
...dst this rapiddiffusion of resident components now needs
to be explained," saidthe senior author of the paper, Jennifer Lippincott-Schwartz,from the National Institutes ofHealth . Other biologists involved in the work were Nelson B. Cole andCarolyn Smith of NIH, Mark Terasaki from the University ofConnect...
Low-Protein Diet May Reverse Kidney Disease
...ouldn't be given severely protein-restricted diets needs
to be reconsidered." Hopkins researchers plan to repeat the study with a larger number of patients. Nephrotic syndrome is marked by damage to the glomeruli, the kidney's filtering units. This causes severe loss of protein from the blood into the urin...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...n our forests and backyards where theiractions and needs
are more familiar to us," said Parrish. "Their diet andhabitat use during migration are two examples of how they become more flexibleduring the migration period--and how our conservation tactics for them mustalso change." While many songbirds breed ...
KU Researcher Eyes The Rain Forest Through The Trees
...officials were hoping to cash in on pulp and paper needs
by planting the exotic trees. However, the plan didn't bear fruit. "The exotic species of trees need a lot more work and expense to keep them healthy," she said. "So it isn't any more cost-effective to grow them in that region than it would be to gro...
Environmental Impact Statements Need To Be Made Easier To Decipher
... say the situation is tremendously ineffective and needs
considerableattention." Reporting in a recent issue of the Environmental Impact Assessment Review,Sullivan and Frances E. Kuo, a visiting professor, and Mona Prabhu, a graduatestudent in landscape architecture, wrote that "not only did the EISmateri...
New Sensor Provides First Instant Test For Toxic E. coli Organism
...he center does basic research relevant to both the needs
of industry and the Department of Energy. Technically, the working part of the sensor consists of multiple copies of a single molecule which is fabricated into a thin film. This molecule has a two-part composite structure. The surface of the...
Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
... by their peers, to assess the status and research needs
of this rapidly advancing field. "We are not talking about replacing physicians, but providing them with more precise tools that take advantage of physicians' skills," says DiGioia. "By coupling the power of these emerging technologies with h...
Prostate Cancer May Be Predicted 10 Years Before Diagnosis
... process, age-associated diseases, and the special needs
of older people. Pearson, J.D., A.A. Luderer, E.J. Metter, A.W. Partin, D.W. Chan, J.L. Fozard, and H.B. Carter: Longitudinal Analysis of Serial Measurements of Free and Total PSA Among Men With and Without Prostatic Cancer. Urology. 48(6A), 4-9, ...
Team Identifies Switch For Tumor Suppressor Gene
...presses growth byknocking out proteins that a cell needs
to proliferate. When theRB protein is decorated wi...ow out of control. "To grow correctly, a cell needs
both a gas pedal and abrake pedal," says Ludlow. "The RB protein acts like the brakepedal, reining i...
Duke University Students Devise Devices For The Disabled
...novation to a "real world" projectaddressing unmet needs
of the handicapped. In this case, it put students... "just given a sheet of paperthat told us what the needs
were," said Maciolek. "The first thingwe did was brainstorm without knowing what Daniel's limitation...
A Drug Pump On A Computer Chip
...to keep people out of hospitals, and partly by the needs
of diabetics and other patients on regular, intravenous medication. Huff, who himself is diabetic, hopes his device may be adapted as a closed-loop system for monitoring blood glucose levels and pumping just the right amount of insulin into the ...
Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA
... process, age-associated diseases, and the special needs
of older people.Carter, H.B., A.W. Partin, A.A. Luderer, E.J. Metter, P. Landis, D.W. Chan, J.L. Fozard, and J.D. Pearson: Percentage of Free Prostate Specific Antigen in Sera Predicts Aggressiveness of Prostate Cancer a Decade Before Diagnosis. Urol...
Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
...now seen as a pediatric emergency,a condition that needs
immediate diagnosis and treatment," said Dr.Rebecc...ey is timing, according to Buckley. The transplant needs
tobe done before the onset of opportunistic infection, she explained, andin the first few weeks of t...
Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
...litation- medicine community to assess a patient's needs
for rehabilitation services, the researchers deter...for hyperactivity have high levels of documentable needs
and require a lot more help than other children their age," said Thomas M. Lock, M.D., who presented...
First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...ndGreat Britain. The Betampona reserve especially needs
new stocks of black and whiteruffed lemurs, Katz and Welch said. They estimate that only 30 to 35 ofthe animals are living there now, a density at least 10 times less thanthat found at any other research site in Madagascar. That number is so lowthat ...
Bacterium gobbles up chlorinated pollutants
...itrogen, phosphorous or even vitamins. "Strain 195 needs
a lot of vitamin B-12. It doesn't have the capabi...sett said, "and we wouldn't have known about those needs
without isolating the organism." Armed with new knowledge about 195 and other anaerobic pollution-...
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