Tag: "leakage" at biology news
Rain forest protection works in Peru
...reas set aside for legal logging operations. This leakage
of human activity outside of logging concessions is a concern. Peru has about 255,000 square miles of tropical forestsan area a little larger than France. In 2001, the Peruvian government placed 31% of the managed forests into permanent resource pr...
JCI table of contents: August 1, 2007
...org/article.php?id=32559 NEPHROLOGY: Protein leakage
from the kidney controlled by dynamin Many diseases of the kidney are characterized by the presence of protein in the urine (known as proteinuria). Such diseases usually progress to kidney failure and can only be treated by dialysis or transplanta...
Nanotechnology helps scientists make bendy sensors for hydrogen vehicles
...vehicles, aircraft and portable electronics. The leakage
of hydrogen caused by tiny pinholes in the pipe of...n the surfaces of the pipe can detect any hydrogen leakage
prior to diffusion to alert control units to take action. Flexible hydrogen sensors show a change ...
Researchers examine carbon capture and storage to combat global warming
...id. The most obvious worry, said Benson, is that leakage
would lead to more global warming, defeating the purpose of storage in the first place. ''People think, it would have been sort of sad going through all this trouble,'' said Tony Kovscek, associate professor of energy resources engineering and a re...
More recycling on the farm could reduce environmental problems
...f biosolids. It would also reduce overcropping and leakage
from manure storage that contaminates groundwater. Yet despite similarities, Pearson's concept of regenerative agriculture is distinct from organic farming; for example, regenerative agriculture could use some chemically treated fertilizer and would ...
JCI table of contents: April 12, 2007
... frontal temporal dementia, did not affect calcium leakage
from the ER, the authors conclude that the molecul... are required to determine whether altered calcium leakage
actually causes FAD or is just associated with it. TITLE: Familial Alzheimer diseaselinked mutatio...
The secret of Dutch tapwater unveiled in new textbook
...uishes itself in other respects: it has the lowest leakage
in the world and is supplied at all times with a very high reliability. The principles and practices of the Dutch drinking water supply which have led the Dutch to actually drink tap water and not use filters or bottled water are presented in the tex...
JDRF-funded researchers discover protein that causes blood vessel leakage and swelling in eyes
...at may play critical roles in causing blood vessel leakage
in the eyes of people with two forms of diabetic r... discovered that one of these molecules causes the leakage
of retinal blood vessels, which contributes to the retinal swelling (or diabetic macular edema) ofte...
Joslin discovers protein that causes blood vessel leakage and swelling with diabetic retinopathy
...at may play critical roles in causing blood vessel leakage
in the eyes of people with this common form of dia... also found that one of these molecules causes the leakage
of retinal blood vessels, which contributes to the retinal swelling (diabetic macular edema or DME) ...
Radiation degrades nuclear waste-containing materials faster than expected
...ent geological features to withstand any potential leakage
at a cost of billions of dollars. For example, there is an ongoing debate over the safety of the Yucca Mountain site in Nevada. A figure published in Science in 2005 put that project's cost at $57 billion. "By working harder on the waste form befor...
News tips from the Journal of Neuroscience
...resting properties emerged, including constitutive leakage
current in the absence of substrate and variable stoichiometry of electrogenic transport. Their results may also solve a long-standing puzzle. Because CHTs can also transport ACh at high concentrations, and the transporters are highly expressed on pr...
Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2006
...d lead to the creation of pathways in the rock and leakage
of CO2 and brine. Ultimately, additional research is needed to answer some key questions about whether this approach is viable for sequestering CO2. The research was funded by DOE's Office of Fossil Energy. (Contact: Ron Walli, 865-576-0226; wallira...
ACS News Service Weekly PressPac -- July 19, 2006
...sels. Self-sealing carries a risk of infection and leakage
of fluid from inside the eye, the scientists note. Grinstaff and colleagues previously developed and tested a gel suitable for repairing scratches and other acute corneal injuries. In the new research, they developed and tested on enucleated human ...
ACS News Service weekly press package -- June 5, 2006
...there have been persistent concerns about possible leakage
and contamination of groundwater used for drinking and irrigation. "Overall, this research lends itself to a new conceptual model describing plutonium geochemistry that can be used to more accurately predict the risk associated with the disposal of p...
Joslin researchers pinpoint causes of adverse reactions to popular type 2 diabetes drugs
...e researchers documented increases in blood vessel leakage
and fluid retention in fat tissue and the retina. ... produce the enzyme. "We found increased capillary leakage
and weight gain in the wild-type mice but not in the knockout mice, demonstrating that RSG-induced a...
New study finds key role for VEGF in onset of sepsis
...gnaling in the endothelium contributes to vascular leakage
and inflammation, and thus serves as a key mechanism behind the onset and perpetuation of the syndrome. Using several animal and human models of the disease, the authors performed a series of experiments to confirm the association between sepsis and ...
Imbalance may trigger advance from fatty liver to liver failure
... in the membrane is disturbed, it appears to allow leakage
of enzymes and other materials out into the bloods...-shaped phospholipids, they don't pack as well and leakage
results." The loss of membrane integrity damages the cell, leading to the inflammatory response char...
Nanoparticles create biocompatible capsules
...sulated fluorescent dyes within lipid capsules. No leakage
occurred, and the lipids proved stable against further fusion. "This opens the door to using biologically friendly capsule delivery vehicles in exciting new health and agricultural applications," Granick said. "Chemical reactions can be performed wit...
VCU researchers design new receptor and enhance bioassay to advance drug discovery process
...ble to improve upon the currently applied membrane leakage
assay used to evaluate specific properties of a de...ore, we wanted to improve on the existing membrane leakage
assay. "The high affinity of this receptor to pyranine, its impermeability to the lipid bilayer mem...
Software 'agents' could help unmask reality of disease clusters
...sulate host organisations from agents and minimise leakage
by limiting access to only the necessary data."...