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By using fixed charges to engineer a strong electroosmotic flow, we achieve the unidirectional transport of natural polypeptides across nanopores. Our approach enables native proteins to be transported enzymatically and non-enzymatically in the absence of denaturant and electrophoretic tags, with potential applications for protein sequencing.
Some 700 approved therapies in the United States — roughly a third of all drugs on the market — target G-protein-coupled receptors (GPCRs). Now advances in high-throughput and structure-based screening are sparking a second golden age of GPCR-based drug discovery.
A new era of brain-penetrant therapies is opening up, as companies hook up drugs to transferrin receptors or use viral capsids to hitch a ride into previously inaccessible regions.
