Most liquid-crystalline displays contain rod-like molecules that quickly switch from one orientation to another when subjected to electric fields. This movement creates a shutter effect that turns light on and off at high ...
Materials Science
Nov 21, 2011
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Biomembranes enclose biological cells like a skin. They also surround organelles that carry out important functions in metabolism and cell division. Scientists have long known in principle how biomembranes are built up, and ...
Biochemistry
Aug 30, 2012
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The immune system generates antibodies to mark threats that need to be eliminated, and these protein complexes bind their targets with remarkable strength and selectivity. Scientists have learned how to generate cell lines ...
Cell & Microbiology
Jan 2, 2013
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A cell dies of ferroptosis when free radicals get out of control and destroy the protective cell membrane in a chain reaction. Healthy cells are occasionally affected when they come under oxidative stress. But cancer cells ...
Biochemistry
Sep 19, 2022
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Biomedical engineers at Duke University have demonstrated that a class of interwoven composite materials called semi-interpenetrating polymer networks (sIPNs) can be produced by living cells. The approach could make these ...
Polymers
Jun 10, 2021
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(Phys.org)—By following certain rules, scientists can prepare architectural plans for building ideal protein molecules not found in the real world. Based on these computer renditions, previously non-existent proteins can ...
Biochemistry
Nov 29, 2012
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(Phys.org)—The detection of specific DNA sequences is central to the identification of disease-causing pathogens and genetic diseases, as well as other activities. But current detection technologies require amplification ...
Biochemistry
Oct 2, 2012
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Phosphate chains store energy and have many more different functions in a cell.
Cell & Microbiology
Apr 23, 2009
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0
The ability of some molecules, such as fatty or oily molecules, to repel water is known as hydrophobicity. The opposite, water attracting, is hydrophilicity. The hydrophobic force that keeps water molecules at bay is one ...
Materials Science
Jun 16, 2020
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5
A technique that enables researchers to watch the motion of individual molecules within a polymer has been developed by KAUST: it challenges current thinking about polymer physics and could lead to new materials that can ...
Polymers
Jan 22, 2019
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