Artificial ion channels created using DNA origami
(Phys.org)—Researchers in Germany and the US have used scaffolded DNA origami techniques to create ion channels or pores that span and penetrate lipid membranes and mimic natural ion channels.
News tagged with biological membranes
Early-Earth cells modeled to show how first life forms might have packaged RNA
(Phys.org)—Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. Using large "macromolecules" called polymers, ...
Cell & Microbiology
Oct 14, 2012
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Synthetic cells used to bioengineer new forms of silica
(Phys.org) -- Scientists do not fully understand how nature uses proteins to develop new materials and minerals, but learning more about the natural processes could lead to bioengineering methods such as the biological synthesis ...
Researchers get a first look at the mechanics of membrane proteins
In two new studies, researchers provide the first detailed view of the elaborate chemical and mechanical interactions that allow the ribosome – the cell's protein-building machinery – to insert a growing protein ...
Cell & Microbiology
Apr 17, 2011
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Bioengineers discover how particles self-assemble in flowing fluids
(PhysOrg.com) -- From atomic crystals to spiral galaxies, self-assembly is ubiquitous in nature. In biological processes, self-assembly at the molecular level is particularly prevalent.
Soft Matter
Dec 13, 2010
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Lollipops and Ice Fishing: Molecular Rulers Used to Probe Nanopores
(PhysOrg.com) -- Using a pair of exotic techniques including a molecular-scale version of ice fishing, a team of researchers working at the National Institute of Standards and Technology have developed methods to measure ...
Bio & Medicine
Apr 27, 2010
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Major insights into evolution of life reported
(PhysOrg.com) -- Humans might not be walking the face of the Earth were it not for the ancient fusing of two prokaryotes -- tiny life forms that do not have a cellular nucleus. UCLA molecular biologist James A. Lake reports ...
Cell & Microbiology
Aug 19, 2009
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Nanoelectronic transistor combined with biological machine could lead to better electronics
(PhysOrg.com) -- If manmade devices could be combined with biological machines, laptops and other electronic devices could get a boost in operating efficiency.
Nanophysics
Aug 10, 2009
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'Holy powder' ingredient makes membranes behave for better health
Revered in India as "holy powder," the marigold-colored spice known as turmeric has been used for centuries to treat wounds, infections and other health problems. In recent years, research into the healing powers of turmeric's ...
Analytical Chemistry
Mar 6, 2009
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Supercomputer simulation reveals new mechanism for membrane fusion
An intricate simulation performed by UT Southwestern Medical Center researchers using one of the world's most powerful supercomputers sheds new light on how proteins called SNAREs cause biological membranes to fuse.
Molecular & Computational biology
Apr 23, 2024
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