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Tag: "define" at biology news

Researchers examine carbon capture and storage to combat global warming

...ble energy are already feasible today and also can define the long-term energy picture, he said. ''[Carbon dioxide] sequestration, on the other hand, is only a bridge technology,'' he added. ''Maybe we have another hundred years of using fossil fuels, and then we'll be on to better and smarter things, on...

Focused ultrasound relieves fibroid symptoms in women

... received pre-treatment MR imaging to identify and define the target fibroids. Radiologists then used MRgFUS to locate and treat the targeted fibroids while monitoring temperature changes in tissue. Ninety-six patients were treated under the original study protocol (A), and 64 patients were treated und...

Hearts of male and female rainbow trout are different

...in cardiac energy metabolism and function may help define habitat suitability, swimming capabilities and health status of wild and hatchery-reared rainbow trout, and human heart disease, sex-specific treatment. ...

How to steer a moving cell

...egin migrating. The researchers hope to fully define the protein components of the compass to gain a better understanding of what directs cell migration or, in the case of cancer cells and inflammation, cause cells to migrate where they normally wouldn’t. "The ability to spatially organize specific...

Baumann Lab defines proteins that distinguish chromosome ends from DNA double-strand breaks

...iochemical assay for double-strand break repair to define the minimal requirements for the protection of tel...or protection has been lacking. "We set out to define the minimal requirements that would allow the DNA repair machinery to distinguish a chromosome end f...

Herpes infection may be symbiotic, help beat back some bacteria

... results. "Chronic virus infections may in part define what a normal human immune response is," says Virgin, who is the Edward Mallinckrodt Professor of Pathology and Immunology. "We may need to think about that as we consider the implications animal model results hold for human diseases." Scientists ...

NIAID expands capability for influenza research and surveillance

...l perform clinical immunological studies to better define human immune responses to influenza vaccination and infection. Additionally, the center will study how flu viruses adapt to new species of animals. ...

Scientists identify pancreatic cancer stem cells

...ive tumor growth, progression, and metastasis that define this deadly cancer. In the February 1 issue of Ca...an pancreatic tumor, she said. The markers that define the highly aggressive pancreatic cancer subtype are not identically matched to those found in aggres...

3-D ultrasound identifies women at risk for impending preterm birth

...enal gland has the desired test characteristics to define a population at risk," they said. The current study creates the basis for further prospective studies to confirm that 3-dimensional ultrasound assessment of the fetal adrenal gland volume can assist clinicians with devising better therapeutic and ...

ATR checkpoint-activating DNA structure

...lts," says Dr. Cimprich. "The ability to precisely define and manipulate the nature of the checkpoint activating structure in an experimental system will enable us to control, quantitative and probe checkpoint signaling responses in unprecedented ways." Using Xenopus egg extracts as a cell-free system, t...

New cell type identified in cancer development

...ing upon environmental cues. The finding may help define the role of cancer stem cells in the growth and recurrence of the disease as well as offer new options for cancer prevention, detection and treatment. Current cancer stem cell theory holds that tumors are comprised of a variety of cell types. Among...

Scripps research study reveals structural dynamics of single prion molecules

...ocusing on single unfolded prions, we were able to define the dynamics of two distinct regions or domains th...eutic targets for disease-causing amyloids." To define the dynamic structural details of individual prions, Deniz and his colleagues employed several novel...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...e recurrent abnormality patterns are emerging that define breast cancer subtypes" said Joe W. Gray, Ph.D., staff scientist and director of the Life Sciences Division at Lawrence Berkeley National Laboratory. "We need better ways to identify how we can best tailor existing therapies to individuals and how t...

Scientists to track impact of Asian dust and pollution on clouds, weather, climate change

...rk provides a new method in live animals that will define the experimental approach for studying of mammalian neural circuitry in the coming decade," said Michael Ehlers, M.D., Ph.D., a Duke neurobiologist and Howard Hughes Medical Institute investigator. The researchers published their findings in the A...

Common algae helps illustrate mammalian brain electrical circuitry

...rk provides a new method in live animals that will define the experimental approach for studying of mammalian neural circuitry in the coming decade," said Michael Ehlers, M.D., Ph.D., a Duke neurobiologist and Howard Hughes Medical Institute investigator. The researchers published their findings in the A...

UCLA/Toronto researchers unlock key to memory storage in brain

... in dying regions of the brain." Our memories define who we are, so learning how the brain stores memory is fundamental to understanding what it is to be human, Silva observed. "A memory is not a static snapshot," he said. "Memories serve a purpose. They are about acquiring information that helps ...

Killing the messenger RNA -- But which one?

...nucleotides ?out of a total of only 19 or 21 ?that define the molecule’s target specificity. This suggested that the change might well redirect these edited microRNAs to silence entirely different sets of genes from the unedited versions." Using bioinformatics tools to compare the unedited and edited ver...

By 2048 all current fish, seafood species projected to collapse

...e living on a blue planet," Worm said. "The oceans define our planet, and their fate may to a large extent determine our fate, now and in the future." ...

Fishy cooperation

...odify tools in the lab, an ability once thought to define humans. And now come the fish. In an article published today in PLoS Biology, Redouan Bshary from the University of Neuchâtel and colleagues describe the astonishing discovery of coordinated hunting between groupers (Plectropomus pessuliferus) and...

The subtleties of tropical forest demise

...isible, unless you're on the ground." The editors define four categories of emerging threats to tropical forests: (1) Those that have only recently appeared, such as the virulent chytrid-fungus pathogen that is decimating rainforest amphibians throughout the tropical world. (2) Those that are growing rapid...

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