477  Reversed-engineered human alveolar lung-on-a-chip model

476  Polypeptide organic radical batteries.

475  A soft, wearable microfluidic platform collects and quantitatively analyzes sweat biomarkers to improve the diagnosis of cystic fibrosis.

474  An enzyme-based biosensor for monitoring and engineering protein stability in vivo.

473  Glycosylase base editors enable C-to-A and C-to-G base changes.

472  Robust direct digital-to-biological data storage in living cells.

471  Cell-free biosensors for rapid detection of water contaminants.

470  Metabolic engineering generates a transgene-free safety switch for cell therapy.

469  Sampling interstitial fluid from human skin using a microneedle patch.

468  Lateral-flow in vitro diagnostic assays based on fluorescent nanodiamonds, in which microwave-based spin manipulation is used to increase sensitivity, are demonstrated using the biotin–avidin model and by the single-copy detection of HIV-1 RNA.

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