(Phys.org)—When viruses like HIV/AIDS strike in underdeveloped regions of the world, they often spiral out of control in part because there is no easy way to bring diagnostic equipment to remote areas so that the diseases ...
Engineering
Feb 26, 2013
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In the burgeoning field of nano-science there are now many ways of 'writing' molecular-scale messages on a surface, one molecule at a time. The trouble is that writing a molecule at a time takes a very long time.
Nanophysics
Dec 12, 2010
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(Phys.org) —Scientists at the University of Bristol have developed a process where reagents are added to a growing carbon chain with extraordinary high fidelity and precise orientation, thereby controlling the conformation ...
Biochemistry
Sep 11, 2014
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University of Georgia researchers have developed a successful way to grow molecular wire brushes that conduct electrical charges, a first step in developing biological fuel cells that could power pacemakers, cochlear implants ...
Nanomaterials
Jun 19, 2009
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Over the last few decades, researchers have built minuscule molecular machines that rotate or shuttle other molecules. However, it's difficult to determine the mechanical work and forces that these tiny contraptions produce, ...
Analytical Chemistry
Jun 6, 2022
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The addition of functional groups to certain unsaturated hydrocarbons, known as alkenes, is a crucial stage in the synthesis of various compounds, including many plastics. For these functionalization reactions to occur a ...
Materials Science
Sep 25, 2013
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Certain plants and animals protect themselves against temperatures below freezing with antifreeze proteins. How the larva of the beetle Dendroides canadensis manages to withstand temperatures down to -30 degrees Celsius is ...
Materials Science
Jan 2, 2013
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For more than 30 years, polymerase chain reaction (PCR) has been the gold standard in molecular diagnostic testing, detecting genetic material, such as those from a virus or from human DNA. But PCR, including reverse transcription ...
Bio & Medicine
Jul 25, 2022
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(Phys.org) -- To crack hydrogen molecules and free the electrons, scientists at Pacific Northwest National Laboratory built nature-inspired molecules that get the job done. These designer molecules, or catalysts, rely on ...
Materials Science
Jul 18, 2012
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Membrane proteins are the "molecular machines" in biological cell envelopes. They control diverse processes, such as the transport of molecules across the lipid membrane, signal transduction, and photosynthesis. Their shape, ...
Cell & Microbiology
Jan 18, 2013
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