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Microbes can derive energy from the enzymatic degradation of plant biomass. For example, cutinase enzymes hydrolyze ester linkages in cutin, the hydrophobic polymer on the outside of plants. Related enzymes can degrade synthetic polyesters like polyethylene terephthalate, and the prospect of clean and efficient polymer degradation would contribute to a sustainable environment. See Chen et al.
A spray reactor system that recycles solvent enables green and rapid synthesis in high yield, at a production rate on the order of multiple grams per hour.
Copper efflux oxidase is a special oxygen reduction electrocatalyst with five copper binding sites. Mutations at the fifth site can give highly active variants and tell us which factors are important for catalysis.
Microorganisms enzymatically degrade natural polymers and synthetic plastics to enable a sustainable environment. This Review describes common features of these enzymes and how they can be harnessed to convert waste into useful precursors.
Organic materials can serve as sustainable electrodes in lithium batteries. This Review describes the desirable characteristics of organic electrodes and the corresponding batteries and how we should evaluate them in terms of performance, cost and sustainability.
In this Review, the authors describe single-cell protein analysis technologies and assess their advantages and limitations. The emerging technologies presented have the potential to reveal new insights into tumour heterogeneity and therapeutic resistance, elucidate mechanisms of immune response and immunotherapy, and accelerate drug discovery.
A hollow multishell structure can feature voids between porous shells that allow it to controllably release multiple guests or play host to cascade reactions. This Perspective describes host–guest chemistry and the temporal–spatial ordering and dynamic responses of multishell structures to their environment.