News tagged with atomic force
DNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...
Nanotechnology / Bio & Medicine
Jan 23, 2012 |
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Eye on ionization: Visualizing and controlling bound electron dynamics in strong laser fields
(PhysOrg.com) -- Subatomic events can be remarkably counterintuitive. Such is the case in theoretical physics when, under certain specific conditions, atoms exposed to intense infrared laser pulses remain ...
Oct 19, 2011 |
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Researchers turn photons into work using DNA
(PhysOrg.com) -- By using light to change the elasticity of a DNA molecule, scientists have designed a molecular motor that can turn light into mechanical work. Unlike most previously reported molecular motors, ...
Mar 10, 2011 |
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Nanostructure of 5,000-year-old mummy skin reveals insight into mummification process
(PhysOrg.com) -- Using cutting-edge microscopy techniques, researchers have gained insight into how human mummies can be extremely well-preserved for thousands of years. A team of scientists from Germany and ...
Nanotechnology / Bio & Medicine
Apr 20, 2010 |
4.6 / 5 (16) |
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Researchers ink nanostructures with tiny 'soldering iron'
Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...
Nov 07, 2011 |
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Forces within molecules can strengthen extra-long carbon-carbon bonds
(PhysOrg.com) -- The strength of a chemical bond between atoms is the fundamental basis for a molecule’s stability and reactivity. Tuning the strength and accessibility of the bond can dramatically change ...
Sep 16, 2011 |
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Heated AFM tip allows direct fabrication of ferroelectric nanostructures on plastic
Using a technique known as thermochemical nanolithography (TCNL), researchers have developed a new way to fabricate nanometer-scale ferroelectric structures directly on flexible plastic substrates that would ...
Jul 18, 2011 |
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Getting to know the strong force, one of the four fundamental forces of the universe
(PhysOrg.com) -- In new work, high-energy physicists have observed two long-sought quantum states in the bottomonium family of sub-atomic particles. The result will help researchers better understand one of ...
Mar 31, 2011 |
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Physicists take new look at the atom
(PhysOrg.com) -- University of Arizona physicists have discovered a new way to measure how single atoms interact with a surface. Their findings help develop nanotechnology and test new theories about the internal ...
Jan 17, 2011 |
4.5 / 5 (23) |
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Physicists unravel mystery of repetitive DNA segments
With new tools that can grab individual strands of DNA and stretch them like rubber bands, Rice University scientists are working to unravel a mystery of modern genomics. Their latest findings, which appear ...
Nanotechnology / Bio & Medicine
Dec 06, 2010 |
4 / 5 (20) |
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Berkeley lab scientists reveal path to protein crystallization (w/ Video)
(PhysOrg.com) -- Growth of two-dimensional S-layer crystals on supported lipid bilayers observed in solution using in situ atomic force microscopy. This movie shows proteins sticking onto the supported lipid ...
Sep 22, 2010 |
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Scientists Strive to Replace Silicon with Graphene on Nanocircuitry
(PhysOrg.com) -- Scientists have made a breakthrough toward creating nanocircuitry on graphene, widely regarded as the most promising candidate to replace silicon as the building block of transistors. They ...
Nanotechnology / Nanomaterials
Jun 10, 2010 |
4.8 / 5 (32) |
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Gravity-like theories give insight into the strong force
A new computation of the constant that describes the strength of the force between the quarks in a proton may help theorists tackle one of the most challenging problems of physics: analytically solving the theory of QCD and ...
Jun 07, 2010 |
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New views at the nanoscale
(PhysOrg.com) -- Magnetic resonance imaging, first developed in the early 1970s, has become a standard diagnostic tool for cancer, cardiovascular disease and neurological disorders, among others. MRI is ideally ...
Apr 27, 2010 |
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A Little Less Force: Making Atomic Force Microscopy Work for Cells
(PhysOrg.com) -- Scientists with Berkeley Lab?s Molecular Foundry have developed a nanowire-based imaging technique by which atomic force microscopy could be used to study biological cells and other soft ...
Apr 20, 2010 |
4.9 / 5 (8) |
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