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 ...

Nanotechnology / Nanophysics

created May 18, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

'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

created May 02, 2012 | popularity 4.6 / 5 (5) | comments 2

Researchers validate simplified lateral force calibration technique for atomic force microscopy

(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the NIST Material Measurement Laboratory have demonstrated that a simpler technique for calibrating lateral sensitivity ...

Nanotechnology / Nanophysics

created Mar 29, 2012 | popularity 5 / 5 (1) | comments 0

Diamonds are a probe’s best friend

Surface imperfections in devices such as gears or levers can have disastrous effects on reliability. Recent studies have demonstrated the usefulness of atomic force microscopes (AFMs) — instruments that use tiny silicon-based ...

Nanotechnology / Nanophysics

created Mar 01, 2012 | popularity 5 / 5 (2) | comments 0

Spotted under the microscope: How a virus puts on its armor

Scientists from VU University Amsterdam, Scripps Research Institute and the University of Michigan discovered how a virus 'puts on its armor'. This 'armor', consisting of mere proteins, is initially flexible ...

Biology / Cell & Microbiology

created Jan 31, 2012 | popularity not rated yet | comments 0

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

created Jan 23, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast feature

Magnetic actuation enables nanoscale thermal analysis

Polymer nano-films and nano-composites are used in a wide variety of applications from food packaging to sports equipment to automotive and aerospace applications. Thermal analysis is routinely used to analyze ...

Nanotechnology / Nanophysics

created Jan 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers measure nanometer scale temperature

Illinois researchers have developed a new kind of electro-thermal nanoprobe that can independently control voltage and temperature at a nanometer-scale point contact. It can also measure the temperature-dependent ...

Nanotechnology / Nanophysics

created Dec 19, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New medical, research tool possible by probing cell mechanics

(PhysOrg.com) -- Researchers are making progress in developing a system that measures the mechanical properties of living cells, a technology that could be used to diagnose human disease and better understand ...

Nanotechnology / Bio & Medicine

created Nov 21, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

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. ...

Nanotechnology / Nanophysics

created Nov 07, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Submerged atomic resolution imaging of calcium carbonate crystal surface

Hard tissues of organisms, such as bones and shells, are composed of inorganic minerals (biominerals). While these substances are created by biomineralization, which will be discussed later, many uncertainties ...

Nanotechnology / Nanophysics

created Sep 05, 2011 | popularity 5 / 5 (1) | comments 0

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 ...

Nanotechnology / Nanophysics

created Jul 18, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Searching for fractals may help cancer cell testing

Scientists have long known that healthy cells looked and behaved differently from cancer cells. For instance, the nuclei of healthy cells -- the inner part of the cells where the chromosomes are stored -- ...

Physics / General Physics

created Jul 06, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Engineers show dynamic experimental evidence for phenomenon of spreading drops

The spreading of a liquid drop on a solid surface is a simple, everyday phenomenon. And while it is known that when a drop of oil is placed on a solid surface, its radius increases as its thickness decreases, the mechanisms ...

Physics / General Physics

created Jul 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

A molecule that switches on and off

A single molecule whose charge state and shape can be changed at will: the latest breakthrough at the CEMES should prove a key advantage in the race for miniaturization. In addition to controlling its charge ...

Nanotechnology / Nanophysics

created Jun 10, 2011 | popularity 4 / 5 (5) | comments 3