Sentences with phrase «using atomic force microscope»

IMAGE: Using the atomic force microscope's carbon monoxide functionalized tip (red / silver), the forces between the tip and the various atoms in the graphene ribbon can be measured.

13 In 1989, using an atomic force microscope, IBM engineer Don Eigler became the first person to move and control a single atom.

Another far more arduous and painstaking technique involves dragging and placing atoms one by one using an atomic force microscope or a scanning tunnelling microscope (STM), both of which are sensitive enough to move single atoms around on a surface with a fine tip.

Using an atomic force microscope (AFM), an instrument with a touch gentle enough not to disturb a busy molecule, Hansma's group took pictures of an enzyme, RNA polymerase, ratcheting one DNA strand through itself.

The group next used an atomic force microscope to map structures within the putative magnetoreceptor cells.

For their measurements, the Jülich researchers used an atomic force microscope.

Now Peter Velikov and Siu - Tung Yau at the University of Alabama at Huntsville have used an atomic force microscope to take the first images of the birth of the seed crystals, a process called nucleation.

The team of scientists used an atomic force microscope to investigate thin tissue sections from the wound where the arrow entered Ötzi's back and from the laceration on his right hand.

The research team used an atomic force microscope tip as a temperature probe to make the first nanometer - scale temperature measurements of a working graphene transistor.

Not exact matches

Quantitative Defect Analysis of Ablator Capsule Surfaces Using a Leica Confocal Microscope and a High - Density Atomic Force Microscope

An atomic force microscope has been used to examine the stiffness of cancer cells.

Added Van Berkel, «This is the first time that we've shown that you can use multiple methods through the atomic force microscope.

To measure the van der Waals forces, scientists in Basel used a low - temperature atomic force microscope with a single xenon atom on the tip.

Using the tip of an atomic force microscope, they placed single bromine atoms on a sodium chloride surface to construct the shape of the Swiss cross.

Previously, researchers have used either electron beam lithography or, more recently, the tiny styluslike arm of an atomic force microscope (AFM) to create nanometer - sized features on a surface.

Using a multistage assembly process, the researchers created origami - based pixels that appear in different shades when viewed with a device called an atomic force microscope.

The new measuring method makes use of a modified Atomic Force Microscope: a tiny ball glued to the cantilever of the microscope will attract protein Microscope: a tiny ball glued to the cantilever of the microscope will attract protein microscope will attract protein molecules.

At the TU Wien, Setvin and coworkers are now able to activate individual O2 molecules at will using a force microscope, and learn how the process occurs at the atomic scale.

Using a special kind of atomic force microscope to control the spacing of the surfaces, they found that this strange attraction kicked in at an even longer distance of up to two microns and that it was accompanied by the formation of a vapor bubble in between.

Key to the success of the oxygen experiments was a state - of - the - art atomic - force microscope, purchased by Prof. Diebold using proceeds of her 2014 Wittgensteinpreis Award.

Using a modified atomic force microscope, Leo Gross of IBM Research in Zurich, Switzerland, and colleagues captured bonds in three different carbon molecules, including the flat form of hexabenzocoronene pictured above (Science, doi.org/jcr).

Working with staff scientists Andreas Scholl and Elke Arenholz at the ALS, they used a 5 - volt probe from an atomic force microscope to switch the polarization of the ferroelectric material up and down, creating a geometric pattern of concentric squares.

In collaboration with colleagues from Berlin and Madrid, researchers at the Department of Physics at the University of Basel have pulled up isolated molecular chains from a gold surface, using the tip of an atomic force microscope (AFM).

For starters, researchers must first pull off the effect without the use of atomic force microscopes, which aren't a practical addition to disk drive technology.

When the scientists examined the digested sheets using scanning electron and atomic force microscopes, they saw that the bacteria had excavated 0.4 - µm - deep pits on the plastic film.

By using the probe of an atomic force microscope to trigger a local chemical reaction, Jeffrey Mativetsky, assistant professor of physics at Binghamton University, and PhD student Austin Faucett showed that electrically conductive features as small as four nanometers can be patterned into individual graphene oxide sheets.

The tip, similar to the kind used in atomic force microscopes, is attached to a bendable cantilever that controllably scans the surface of the substrate material with the accuracy of one nanometer — a millionth of a millimeter.

The technique, which uses a heated atomic force microscope (AFM) tip to produce patterns, could facilitate high - density, low - cost production of complex ferroelectric structures for energy harvesting arrays, sensors and actuators in nano - electromechanical systems (NEMS) and micro-electromechanical systems (MEMS).

«Using the tip of an atomic force microscope (AFM), we have found that the mechanical force required to break the bond between fibrinogen and erythrocytes is higher in patients with chronic heart failure than in healthy subjects,» explains team leader Nuno C Santos from iMM and the Faculty of Medicine at the University of Lisbon.

He still likes to tinker; only now he uses magnetic beads, atomic - force microscopes, and laser «tweezers» to explore the inner workings of the cell and the physical forces behind DNA replication.

An atomic force microscope (AFM) is a scientific tool that is used to create detailed three - dimensional images of the surfaces of materials, down to the nanometer scale — that's roughly on the scale of individual molecules.

Using scanning capacitance microscopy with a Park Systems atomic force microscope a team at NASA successfully characterized both the spatial variations in capacitance as...

Adam Foster of Aalto University in Finland and colleagues have now used the CO-functionalized tip of an atomic force microscope (AFM) to discriminate between boron (B), carbon (C) and nitrogen (N) atoms embedded at the centre of a GNR thanks to the differences in their van der Waals radii.

nanoManipulator: uses virtual reality (VR) goggles and a force feedback probe as an interface to a scanning probe microscope, providing researchers with a new way to interact with the atomic world.

The terms nanobot, nanoid, nanite, nanomachine, or nanometer have also been used to describe such devices at present beneath research and improvement and even a large machine such as an atomic force microscope can be deliberated a Nanorobotics instrument when configured to perform nanomanipulation.