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Platinum catalysts are widely employed for vehicle exhaust treatment, but their activity is poor when the catalyst is cold. Now, precise control of the interfacial structure of platinum sub-nanoclusters on copper-doped ceria delivers excellent activity at low temperatures.
Controlling molecular conformation through macroscopic mechanical stimulus may have applications in chiroptical devices, but achieving this in a 3D material is challenging. Now, a quantitative relationship between stretching of an elastomer and reversible conformational changes of a crosslinked molecule has been established.
Organic materials are highly sensitive to electron beam irradiation and thus easily damaged upon imaging by electron microscopy. Now, low-dose aberration-corrected high resolution transmission electron microscopy allows for less invasive near-atomic-scale imaging of a two-dimensional polymer.
Mass spectrometry allows the pattern of glycosylation in proteins to be mapped, but can be limited by the lability of glycosidic bonds. Now, a method exploiting this lability allows for direct mapping of glycan moieties in glycoproteins.