News tagged with cellular biophysics
Helium raises resolution of whole cell imaging
The ability to obtain an accurate three-dimensional image of an intact cell is critical for unraveling the mysteries of cellular structure and function. However, for many years, tiny structures buried deep inside cells have ...
Oct 03, 2011 |
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Realistic simulation of ion flux through membrane sheds light on antibiotic resistance
As the gatekeepers of ion flow through cell membranes, ion channels are of key interest in numerous cellular processes. Now, a new study describes an innovative new computational model that realistically simulates the complex ...
Aug 16, 2011 |
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Polarized microscopy technique shows new details of how proteins are arranged
Whether you're talking about genes, or neurons, or the workings of a virus, at the most fundamental level, biology is a matter of proteins. So understanding what protein complexes look like and how they operate is the key ...
Chemistry / Analytical Chemistry
Apr 17, 2011 |
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Aging process of elastic polymers: Relaxation leads to lower elasticity
As they age many materials exhibit changes in their properties. Although such phenomena crop up in many domains, the underlying processes are oftentimes not fully understood. Particularly interesting in this ...
Mar 01, 2011 |
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Big picture: Lipid ordering visualized in a living vertebrate organism
Scientists have obtained the first visualization of the inherent arrangement of lipid molecules in different tissues of a whole, living vertebrate organism. The research, published by Cell Press in Biophysical Journal on Jul ...
Jul 06, 2010 |
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Imaging studies reveal order in programmed cell death
(PhysOrg.com) -- Every day, about 10 billion cells in a human body commit suicide. Cells infected by virus, that are transformed or otherwise dysfunctional altruistically sacrifice themselves for the greater good. Now, new ...
Feb 26, 2010 |
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Cells use import machinery to export their goods as well
(PhysOrg.com) -- In the bustling economy of the cell, little bubbles called vesicles serve as container ships, ferrying cargo to and from the port — the cell membrane. Some of these vesicles, called post-Golgi vesicles, export ...
Jul 03, 2009 |
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Cells use import machinery to export their goods as well
Research suggests a new level of regulation for cellular export process by molecules previously assumed to be dedicated to import activities.
Jun 25, 2009 |
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In Ocean's Depths, Heat-Loving 'Extremophile' Evolves a Strange Molecular Trick
(PhysOrg.com) -- Making its home near extreme temperatures of thermal vents on the ocean floor, the organism Methanopyrus kandleri harbors a molecular secret that intrigues evolutionary biologists and even ...
Apr 30, 2009 |
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