Macroscopic Actuation of Bisazo Hydrogels Driven by Molecular Photoisomerization
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Chemistry↗
Engineering topics
Seale, James S. W.
Publications and source records attributed to Seale, James S. W..
Active mechanisorption driven by pumping cassettes
Pumping macrocycles onto surfaces Numerous chemical processes, ranging from water purification to catalysis, involve sorption of small molecules onto surfaces. Typically, spontaneous attractive interactions favor the binding event. Feng et al . report a mechanisorption process that requires redox manipulations to pump macrocycles from bulk solution onto axles immobilized on a metal-organic framework. The resulting rotaxanes store energy through nonequilibrium charge concentration in their mechanical bonds. Ultimately, the technique could also prove useful for actively partitioning compounds with particular functionality between surface and bulk environments. —JSY
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