News tagged with force microscope
Synthetic scent hounds: Nanostructured sensor for detection of very low concentrations of explosive
To prevent terrorist attacks at airports, it would be helpful to detect extremely low concentrations of explosives easily and reliably. Despite the development of various sensor technologies, dogs continue ...
May 18, 2012 |
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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 |
4.3 / 5 (8) |
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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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Physicists investigate structural properties of spider webs
(PhysOrg.com) -- "Although the orb web of a spider is a lightweight structure, it seems to be a highly optimized structure, presumably as a result of evolution from the Jurassic period or earlier," explain ...
Feb 08, 2010 |
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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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'Iceman Oetzi' lived for a while after arrow wound
Oetzi, the 5,300-year-old "Iceman" mummy of the Alps, lived for some time after being shot in the back by an arrow, scientists said on Tuesday after using forensic technology to analyse his preserved blood.
Other Sciences / Archaeology & Fossils
May 02, 2012 |
4.6 / 5 (5) |
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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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Scientists Image the 'Anatomy' of a Molecule (w/ Video)
(PhysOrg.com) -- For the first time, IBM researchers in Zurich, Switzerland, have taken a 3D image of an individual molecule. Using an atomic force microscope, the researchers constructed a "force map" of ...
Aug 28, 2009 |
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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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Scientists transform polyethylene into a heat-conducting material
Most polymers -- materials made of long, chain-like molecules -- are very good insulators for both heat and electricity. But an MIT team has found a way to transform the most widely used polymer, polyethylene, ...
Mar 07, 2010 |
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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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Friction force differences offer new means for manipulating nanotubes
(PhysOrg.com) -- Nanotubes and nanowires are promising building blocks for future integrated nanoelectronic and photonic circuits, nanosensors, interconnects and electro-mechanical nanodevices. But some fundamental ...
Nanotechnology / Nanomaterials
Sep 15, 2009 |
4 / 5 (3) |
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Thermochemical nanolithography now allows multiple chemicals on a chip
(PhysOrg.com) -- Scientists at Georgia Tech have developed a nanolithographic technique that can produce high-resolution patterns of at least three different chemicals on a single chip at writing speeds of ...
Dec 16, 2009 |
4.5 / 5 (4) |
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Scientists directly measure charge states of atoms using an atomic force microscope
(PhysOrg.com) -- IBM scientists in collaboration with the University of Regensburg, Germany, and Utrecht University, Netherlands, for the first time demonstrated the ability to measure the charge state of ...
Jun 23, 2009 |
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