The Very First Image of a Hydrogen Bond
2013 10 01

By Jacob Kastrenakes | The Verge

Chemists have long known what a hydrogen bond should look like, but until last week, most hadn’t actually seen an image of one. Now, researchers from the Chinese Academy of Sciences have been able to visualize a hydrogen bond using atomic force microscopy, a technique that can deliver higher resolution than even a scanning tunneling microscope. The Royal Society of Chemistry reports that the imaging technique involved oscillating a probe over the molecules at the resonant frequency of the surface beneath them. By measuring the difference in frequencies between the surface alone and the one with the molecule, the researchers were able to create a highly precise image of the bond.



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Read the full article at: theverge.com




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