News tagged with biological complexity
Researchers discover novel approach to stimulate immune cells
Researchers at Rutgers University have uncovered a new way to stimulate activity of immune cell opiate receptors, leading to efficient tumor cell clearance.
May 11, 2012 |
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TARA OCEANS completes 60,000-mile journey to map marine biodiversity
The two-and-a-half-year TARA OCEANS expedition finishes on 31 March when the ship and crew reach Lorient, France. The arrival completes a journey of 60 000 miles across all the world's major oceans to sample ...
Mar 27, 2012 |
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Unraveling biological networks
A new approach to disentangling the complexities of biological networks, such as the way in which proteins interact in our body's cells has been developed by researchers in China. The team's algorithm could allow biologists ...
Mar 05, 2012 |
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Predicting system crashes in nature and society
The world can deliver sudden and nasty shocks. Economies can crash, fisheries can collapse, and climates can pass tipping points. Providing early warning of such changes currently requires the collection of enormous and often ...
Feb 02, 2012 |
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Closing in on an ulcer- and cancer-causing bacterium
A research team led by scientists at the Chinese University of Hong Kong is releasing study results this week showing how a bacterium, Helicobacter pylori, that causes more than half of peptic ulcers worldw ...
Dec 07, 2011 |
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Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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Fundamental discovery casts enzymes in new light
Just as a breeze causes leaves, branches and ultimately the tree to move, enzymes moving at the molecular level perform hundreds of chemical processes that have a ripple effect necessary for life. Protein complexes are often ...
Nov 08, 2011 |
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Pairing up: How chromosomes find each other
After more than a century of study, mysteries still remain about the process of meiosis -- a special type of cell division that helps insure genetic diversity in sexually-reproducing organisms. Now, researchers ...
Nov 01, 2011 |
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Manipulating single molecules to unravel secrets of protein folding
Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making ...
Oct 27, 2011 |
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Putting light-harvesters on the spot
How the light-harvesting complexes required for photosynthesis get to their site of action in the plant cell is reported by RUB biologists in the Journal of Biological Chemistry. The team led by Prof. Dr. Danja Schunemann has de ...
Oct 19, 2011 |
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Packaging expert sees a social revolution in the evolving barcode
What if you could trace the history of everything you buy back to its origins? Using your smart phone camera, you could learn what factory made the ingredients in your heart medication, what country grew the ...
Oct 13, 2011 |
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New discovery could change the face of cell-biology research
Rewrite the textbooks and revisit old experiments, because there's a new cog in our cellular machinery that has been discovered by researchers from the University of Alberta and the University of Cambridge Institute for Medical ...
Oct 11, 2011 |
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Uncharted territory: Scientists sequence the first carbohydrate biopolymer
(PhysOrg.com) -- DNA and protein sequencing have forever transformed science, medicine, and society. Understanding the structure of these complex biomolecules has revolutionized drug development, medical diagnostics, ...
Oct 11, 2011 |
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New insight in how cells' powerhouse divides
New research from the University of California, Davis, and the University of Colorado at Boulder puts an unexpected twist on how mitochondria, the energy-generating structures within cells, divide. The work, ...
Sep 02, 2011 |
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Biology, materials science get a boost from robust imaging tool
Shape and alignment are everything. How nanometer-sized pieces fit together into a whole structure determines how well a living cell or an artificially fabricated device performs. A new method to help understand ...
Nanotechnology / Bio & Medicine
Aug 08, 2011 |
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