With chemical imaging, different chemicals can be made visible independently. Here the abbreviations ETH and PSI are written in the metals gold and silver. In a conventional optical microscope (1), one would see the two sets of lettering superimposed. In a chemical microscope (2a, 2b), each of the two metals can be made visible, so that the characters are clearly legible. (Reprinted with permission from Anal. Chem. 2013, 85, 10112. Copyright 2016 American Chemical Society)
with Daniel Grolimund - At the Swiss Light Source SLS, researcher Daniel Grolimund is responsible for a beamline where the arrangement of chemical bonds in different objects can be determined. These capabilities prove valuable to researchers in the most diverse disciplines: to battery researchers as well as biologists, archeologists, and many more. In this Grolimund talks about the variety of topics and the challenges that come with this diversity. You run a beamline at the Paul Scherrer Institute where different objects can be probed with X-ray light from the Swiss Light Source SLS. Researchers from universities or other institutes come to you, for example, with old swords, batteries, or seeds to examine. What makes it possible for them to study such diverse things at your beamline? - What's special is the ability to do chemical imaging. That means we can see what chemical elements the sample being examined is made of.
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