News tagged with atomic force

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An easy way to see the world's thinnest material

Nanotechnology / Nanomaterials

created Dec 23, 2009 | popularity 4.7 / 5 (10) | comments 1

It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...


Nanoscale changes in collagen are a tipoff to bone health

Nanoscale changes in collagen are a tipoff to bone health

Medicine & Health / Research

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

Using a technique that provides detailed images of nanoscale structures, researchers at the University of Michigan and Detroit's Henry Ford Hospital have discovered changes in the collagen component of bone ...


Thermochemical nanolithography now allows multiple chemicals on a chip

Thermochemical nanolithography now allows multiple chemicals on a chip

Nanotechnology / Nanophysics

created Dec 16, 2009 | popularity 4.5 / 5 (4) | comments 0

(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 ...


Peptides control crystal growth with 'switches, throttles and brakes'

Peptides control crystal growth with 'switches, throttles and brakes'

Nanotechnology / Bio & Medicine

created Nov 23, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research ...


ibm pentacene

Scientists Image the 'Anatomy' of a Molecule (w/ Video)

Nanotechnology / Nanophysics

created Aug 28, 2009 | popularity 4.8 / 5 (44) | comments 4

(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 ...


IBM Scientists Effectively Eliminate Wear at the Nanoscale

Nanotechnology / Nanophysics

created Sep 07, 2009 | popularity 4.4 / 5 (14) | comments 8

(PhysOrg.com) -- IBM scientists have demonstrated a promising and practical method that effectively eliminates the mechanical wear in the nanometer-sharp tips used in scanning probe-based techniques. This discovery can potentially ...


Friction force differences could offer a new means for sorting and assembling nanotubes

Friction force differences offer new means for manipulating nanotubes

Nanotechnology / Nanomaterials

created Sep 15, 2009 | popularity 4 / 5 (3) | comments 0

(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 ...


Super sticky barnacle glue cures like blood clots

Chemistry / Biochemistry

created Oct 16, 2009 | popularity 5 / 5 (8) | comments 0

Barnacles are a big problem for boats. Adhering to the undersides of vessels, carpets of the crustaceans can increase fuel consumption by as much as 25%. Ship owners would love to know how to stop these hitchhikers gluing ...


Scientists directly measure charge states of atoms using an atomic force microscope

Scientists directly measure charge states of atoms using an atomic force microscope

Nanotechnology / Nanophysics

created Jun 23, 2009 | popularity 4.8 / 5 (5) | comments 0

(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 ...


Making a point: Picoscale stability in a room-temperature AFM

Making a Point: Picoscale Stability in a Room-Temperature AFM

Nanotechnology / Nanophysics

created Mar 25, 2009 | popularity 4.9 / 5 (28) | comments 1

(PhysOrg.com) -- Forget dancing angels, a research team from the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) has shown how to detect and monitor the tiny amount ...


New molecular force probe stretches molecules, atom by atom

Nanotechnology / Nanophysics

created Mar 29, 2009 | popularity 5 / 5 (2) | comments 5

Chemists at the University of Illinois have created a simple and inexpensive molecular technique that replaces an expensive atomic force microscope for studying what happens to small molecules when they are stretched or compressed.


Cancerous and normal cells

Scientists Measure Differences Between Normal and Cancer Cell Surfaces

Nanotechnology / Nanophysics

created May 05, 2009 | popularity 5 / 5 (9) | comments 0

(PhysOrg.com) -- Scientists know that cancerous cells and normal cells have different physical features, but the details of these differences, and why they occur, are not well understood. In a recent edition ...


Chemists create two-armed nanorobotic device to maneuver world's tiniest particles

Nanotechnology / Nanophysics

created Feb 15, 2009 | popularity 4.5 / 5 (8) | comments 0

Chemists at New York University and China's Nanjing University have developed a two-armed nanorobotic device that can manipulate molecules within a device built from DNA. The device is described in the latest issue of the ...


New nanocrystalline diamond probes overcome wear

Nanotechnology / Nanophysics

created Nov 10, 2009 | popularity 4.3 / 5 (3) | comments 0

Researchers at the McCormick School of Engineering and Applied Science at Northwestern University have developed, characterized, and modeled a new kind of probe used in atomic force microscopy (AFM), which images, measures, ...


Nanocrack Evolution

Tension in the nanoworld

Nanotechnology / Nanophysics

created Jan 23, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- A joint team of researchers at CIC nanoGUNE (San Sebastian, Spain) and the Max Planck Institutes of Biochemistry and Plasma Physics (Munich, Germany) report the non-invasive and nanoscale ...