The trunk of each 'Christmas tree' (a transcription unit) represents a DNA molecule; the tree branches (granular strings attached to the DNA) are RNA molecules that have been transcribed from the ...

When all you’ve got is a hammer, everything looks like a nail. And when you’ve got a scanning electron microscope, everything must look like a sample that would be really, really interesting ...

Marijuana Under The Microscope". These microscopic images capture a close up view of Marijuana. We spoke with Ted to find out more about his scanning electron microscope photos. Following is a ...

Some of you probably know this already, but there’s actually more than one kind of electron microscope. In electronics work, the scanning electron microscope (SEM) is the most common.

UA researcher and paper co-author Reyes Sierra used an electron microscope to acquire this image of silica nanoparticles. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

Scanning transmission electron microscopy experiments have uncovered the structural changes a ruthenium catalyst undergoes ...

Electron microscopy uses a beam of electrons to illuminate a sample and achieve much higher spatial resolution than light microscopy. Transmission electron microscopy generates an image of the ...

Scanning Electron ... microscopy, can now be visualized in impressive detail using SEM. The intricate designs of nanomaterials, the novel structures of nanoparticles, and the complex arrangements of ...

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SEM stands for scanning electron microscope. The SEM is a microscope that uses electrons instead of light to form an image. Since their development in the early 1950's, scanning electron microscopes ...