News tagged with force microscopy

Scientists evaluate different antimicrobial metals for use in water filters

Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 4 / 5 (1) | comments 1

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

Researchers create molecular Braille to identify DNA molecules

Researchers at UCLA and New York University have developed a method to detect sequence differences in individual DNA molecules by taking nanoscopic pictures of the molecules themselves.

Nanotechnology / Bio & Medicine

created Mar 28, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Biochemists identify how tissue cells detect and perfect

Scientists have discovered how cells detect tissue damage and modify their repair properties accordingly. The findings, published today [6 October] in the journal Developmental Cell, could open up new opportunities for im ...

Chemistry / Biochemistry

created Oct 06, 2011 | popularity not rated yet | comments 2 | with audio podcast

Are those liquids explosive?

A team of researchers from the University of the Basque Country (Spain) has developed a method to determine the chemical composition of liquids seized by police and suspected to be explosive. Some of the samples ...

Chemistry / Analytical Chemistry

created Aug 18, 2011 | popularity 5 / 5 (2) | comments 2

Researchers observe nanoscale charge transport in bulk heterojunction solar cells

(PhysOrg.com) -- Researchers in the CNST have used photoconductive atomic force microscopy (PCAFM) to characterize the nanoscale structure of organic photovoltaic (OPV) materials, and have performed a careful assessment of ...

Nanotechnology / Nanophysics

created Aug 11, 2011 | popularity 5 / 5 (1) | comments 0

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

Northwestern research team turns theory of static electricity on its head

(PhysOrg.com) -- Bartosz Grzybowski, a physical chemist at Northwestern University, and his team of colleagues offer evidence in a paper published in Science, that shows that what scientists have believed to be ...

Physics / General Physics

created Jun 29, 2011 | popularity 4.6 / 5 (20) | comments 31 | with audio podcast report

Seeing an atomic thickness

Scientists from NPL, in collaboration with Linkoping University, Sweden, have shown that regions of graphene of different thickness can be easily identified in ambient conditions using Electrostatic Force ...

Nanotechnology / Nanophysics

created May 19, 2011 | popularity 4 / 5 (2) | comments 0

The use of a different resonance in atomic force microscopy enhances resolution

Atomic force microscopy (AFM) is a highly sensitive form of microscopy that makes it possible to map a surface with near-atomic resolution. Shaw Wei Kok and colleagues from A*STAR’s Singapore Institute ...

Nanotechnology / Nanophysics

created Apr 14, 2011 | popularity 5 / 5 (2) | comments 0

Getting the point: Real-time monitoring of atomic-microscope probes adjusts for wear

Scientists at the National Institute of Standards and Technology have developed a way to measure the wear and degradation of the microscopic probes used to study nanoscale structures in situ and as it’s ...

Nanotechnology / Nanophysics

created Mar 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

DNA engine observed in real-time traveling along base pair track

In a complex feat of nanoengineering, a team of scientists at Kyoto University and the University of Oxford have succeeded in creating a programable molecular transport system, the workings of which can be observed in real ...

Nanotechnology / Bio & Medicine

created Feb 06, 2011 | popularity 4.9 / 5 (14) | comments 6 | with audio podcast

AFM positioning: Shining light on a needle in a haystack

The researchers characterize their new technique as a neat solution to the "needle in a haystack" problem of nanoscale microscopy, but it's more like the difference between finding the coffee table in a darkened ...

Physics / Optics & Photonics

created Nov 10, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Key Parkinson's clue could be protein aggregate

(PhysOrg.com) -- Proteins perform almost every function our bodies require for life. But, they also can misbehave in myriad ways. By retracing the history of each abnormal reaction, biochemists aim to determine ...

Chemistry / Biochemistry

created Nov 03, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

AFM tips from the microwave

Scientists from the Friedrich-Schiller-University Jena (Germany) have succeeded in improving a fabrication process for Atomic Force Microscopy (AFM) probe tips.

Nanotechnology / Nanophysics

created Oct 21, 2010 | popularity not rated yet | comments 0