Science news articles about 'transmission electron microscopy'

  • Seven Years Later: Electrons Unlocked Post-9/11 Anthrax Mail Mystery

    ... , N.M., trained their high-powered electron microscope on anthrax spore samples the FBI had ... tract and cause joint swelling). Using highly sensitive transmission electron microscopy (TEM) and scanning ...
  • Spiraling nanotrees offer new twist on growth of nanowires

    ... with ease – and then confirmed the presence of dislocations with a special type of transmission electron microscopy. Upon closer examination, the twisting trunks and spiraling branches also turned ...
  • FBI unveils science of anthrax investigation

    ... give information. Joseph Michael, transmission electron microscopy (TEM) lab owner Paul ... whole spore bodies." Using more sensitive transmission electron microscopy (TEM), Kotula and Michael's research ...
  • NIST and partners identify tiny gold clusters as top-notch catalysts

    ... than a strand of DNA—are the size most treasured. Using a pair of scanning transmission electron microscopy (STEM) instruments for which spherical aberration (a system fault yielding blurry images) ...
  • A snapshot of the transformation

    ... , and helps in the design of new and improved materials and devices. Transmission electron microscopy has evolved dramatically in recent years and can spatially resolve microstructural details of ...
  • Research about plant viruses could lead to new ways to improve crop yields

    ... — cryo-electron microscopy at Vanderbilt, X-ray diffraction at Argonne and scanning transmission electron microscopy (STEM) at Brookhaven – in order to identify the two structures. "These techniques ...
  • Scientists engineer superconducting thin films

    ... said. Collaborators at Cornell University ruled out this possibility using atomic-resolution transmission electron microscopy to identify the samples' constituent chemical elements, proving that the ...
  • Engineering nanoparticles for maximum strength

    ... Berkeley National Laboratory and the University of California at Berkeley have used in situ transmission electron microscopy to measure hollow spherical nanoparticles that withstand extreme stress and ...
  • What is the effect of fluoxetine on mast cell?

    ... rMCP-1 expression in gastric antrum. Mast cell morphology was observed under transmission electron microscopy. They found that depression induced mast cell proliferation, activation, and granule ...
  • New catalyst paves the path for ethanol-powered fuel cells

    ... at Brookhaven's National Synchrotron Light Source, combined with data from transmission electron microscopy analyses at Brookhaven's Center for Functional Nanomaterials. Based on these studies and ...
  • Domain walls that conduct electricity

    ... side of the domain wall. To understand this unexpected conductivity, the researchers used transmission electron microscopy (TEM) at Berkeley Lab's National Center for Electron Microscopy, a national ...
  • Deep-sea rocks point to early oxygen on Earth

    ... small particles aggregating producing large crystals with lots of empty spaces between. Using transmission electron microscopy, the researchers did not find that crystalline structure. "We found that ...
  • Spring 'blockbuster' movie now showing

    ... disks, spherical aberrations have been the prime limiting factors in the resolution of transmission electron microscopy. Its ability to correct spherical aberrations makes TEAM 0.5 highly versatile. ...
  • Details of bacterial 'injection' system revealed

    ... arrangement of the components. Using a combination of scanning transmission electron microscopy (STEM) and transmission electron microscopy (TEM), the scientists have now revealed new details of the ...
  • May 2009 Geology media highlights

    ... enter directly into the lungs). Reich et al. used high-magnification microscopy techniques (transmission electron microscopy, TEM) to image the "respirable" particles present in volcanic ash sampled ...

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