Sentences with phrase «electron microscope studies»

Professor Scott, said: «What surprised us was that many of these early extensive fires were surface fires burning the undergrowth, as we can see the anatomy of the plants being burned through scanning electron microscope studies of larger pieces of the fossil charcoal.»

An electron microscope study of myofibril formation in embryonic chick skeletal muscle.

Not exact matches

Broken instruments include some of the world's best electron microscopes and instruments for studying the atomic arrangement of surfaces.

High - resolution transmission microscope (left) and scanning electron microscope images of a porous carbon sample studied for its ability to capture carbon dioxide from natural gas.

In a study whose results were published in Nature last July, physicist Ali Yazdani used a powerful microscope to track electrons as they encountered stairlike barriers on the surface of antimony, a material that shares several characteristics with topological insulators such as bismuth telluride.

«Cryo - EM has revolutionized structural biology, particularly in the last three years, with the invention of new kinds of electron detectors for the microscope,» says Michael Rossmann, a physicist and microbiologist at Purdue University in West Lafayette, Ind., and a coauthor of the Zika mapping study.

And in 2006, researchers at Dresden Technical University, Germany, studied the swords with an electron microscope and discovered that their strength probably comes from carbon nanotubes and nanowires made from a mineral called cementite.

At the meeting, attendees discussed four broad goals for the proposed Observatory: expanding access to large scale electron microscopes; providing fabrication facilities for new, nanosized electrode systems; developing new optical and magnetic resonance brain activity imaging technologies; and finding new ways to analyze and store the staggering amount of data detailed brain studies can produce.

The researchers studied lung samples from a female Australian lungfish, Neoceratodus forsteri, under an electron microscope.

Differently from optical microscopes, it uses electrons to study the materials, and thanks to that it achieves an enormous magnification.

They conducted two kinds of diffraction studies: neutron scattering experiments at the Los Alamos Neutron Science Center (LANSCE) at DOE's Los Alamos National Laboratory, and electron diffraction experiments using a transmission electron microscope at Brookhaven Lab.

«Conversely, in conditions involving very small size scales (the tip of a tunnelling electron microscope) such as those used in this study, the result is instead an increase in conductivity,» explains Requist.

Study these slices to work out how the brain's 100 billion neurons are inter-connected (an electron microscope may help here).

The late Irene Manton of the University of Leeds set up the first laboratory in the world for studying plants with electron microscopes, while her sister Sidnie, of King's College, London, was considered the world's greatest expert on the higher level classification of arthropods.

«Our study zooms in to display the proteasome complex — a recycling unit which plays a critical role in our cells — in far greater detail than we have ever seen before in the electron microscope.

Previously such studies could only be achieved by X-ray crystallography, but using the electron microscope will allow us to tackle protein complexes which no one has been able to crystallise, and to do this under conditions which are much closer to those in the human body.»

But earlier studies of astroviruses — so called because they look like stars under an electron microscope — had suggested that they were choosier about their hosts.

The study used powerful electron microscopes at the University of Leeds» Astbury Centre for Structural Molecular Biology.

As opposed to optical microscopes, it uses electrons to study the materials.

In the 1970s biologists studying pregnant baboons were shocked as they looked at electron microscope images of the placenta.

Striemer and his colleagues stumbled onto their silicon filters while trying to prepare thin samples to study under an electron microscope.

The ORNL study published in the journal Small demonstrates how scanning transmission electron microscopes, normally used as imaging tools, are also capable of precision sculpting of nanometer - sized 3 - D features in complex oxide materials.

Surface chemistry on nanosized gold particles, shown here at low - magnification, left, and high - magnification, right, in images produced with a scanning electron microscope, was studied with infrared light produced by Berkeley Lab's Advanced Light Source.

Researchers used a cryo - electron microscope at Berkeley Lab's Molecular Foundry for this study.

Concerning SEM study a bone slice, adjacent to that used for light microscopy, was examined using Cambridge 250 Mark 3 scanning electron microscope, working at 20 kV beam voltage.

«As Program Director of Virology, he and his coworkers were at the forefront of new and fascinating studies using the electron microscope to detect and characterize viruses and phytoplasmas in cells of diseased plants and insect vectors.»

To study magnetism in bacteria, she applied off - axis electron holography, a specialized technique that is used for the characterization of magnetic nanostructures in the transmission electron microscope, in combination with the liquid cell.

1959 Born in Castrop - Rauxel 1979 — 86 Studied art and geography at the University of Düsseldorf, training as a schoolteacher in these subjects; teaching practice in Krefeld 1987 — 89 Studied photography at University of Applied Sciences Cologne with Arno Jansen 1989 — 95 Studied photography at the Düsseldorf Academy of Art with Bernd Becher and Nan Hoover, master student of Nan Hoover 1993 — 96 Teaching posts at the University of Siegen 2000 Visiting artist at the University of Canada in Ottawa 2009 Scanning Electron Microscope Workshop at the Natural History Museum in Santa Barbara, California, USA 2009 Artist in resident at Fermynwoods Contemporary Art, Kettering, UK Currently lives and works in Werne and Bonn

Paul Stamets first had the idea of such a network in the 1970s, while studying fungi under an electron microscope.