News tagged with electron microscopy

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Why size matters for gold as a catalyst

Gold is the noblest metal—the most resistant to oxidation. However, nano-size gold has a unique ability to perform as a catalyst, even at low temperatures. The underlying mechanism for this size-dependent change in properties ...

dateSep 06, 2018 in Nanomaterials
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Magnetic vortices observed in haematite

Vortices are common in nature, but their formation can be hampered by long range forces. In work recently published in Nature Materials, an international team of researchers has used mapped X-ray magnetic linear and circular ...

dateAug 13, 2018 in General Physics
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Sunscreen for dancing molecules

Since life is mostly based on water, our molecules are moving, vibrating and somersaulting in a liquid environment. But electron microscopy—a technique to study a static version of this nanoworld—has been almost impossible ...

dateAug 01, 2018 in Nanomaterials
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Cryo-electron microscopy characterizes integrins

A collaboration between three labs at UC San Francisco has resulted in an unprecedented look at a member of a vital and ubiquitous class of proteins called integrins (pronounced "INT-uh-grins"). Integrins are associated with ...

dateJul 31, 2018 in Biochemistry
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Real-time imaging of chemical processes

National University of Singapore scientists observe the real-time formation of hollow structures in the galvanic replacement (GR) reaction between silver and gold with nanometre resolution, gaining insights on the mechanisms ...

dateJul 24, 2018 in Materials Science
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