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Magnesium (Mg)‐based micromotors are combined with live macrophage (MΦ) cells to create a unique MΦ–Mg biohybrid motor system. The resulting biomotors possess rapid propulsion ability stemming from the Mg micromotors and the biological functions provided by the live MΦ cell. To prepare the biohybrid motors, Mg microparticles coated with titanium dioxide and poly(l‐lysine) (PLL) layers are incubated...
A dynamic micromotor-based immunoassay, exemplified by cortisol detection, based on the use of tubular micromotors functionalized with a specific antibody is described. The use of antibody-functionalized micromotors offers huge acceleration of both direct and competitive cortisol immunoassays, along with greatly enhanced sensitivity of direct and competitive immunoassays. The dramatically improved...
The highly acidic gastric environment creates a physiological barrier for using therapeutic drugs in the stomach. While proton pump inhibitors have been widely used for blocking acid‐producing enzymes, this approach can cause various adverse effects. Reported herein is a new microdevice, consisting of magnesium‐based micromotors which can autonomously and temporally neutralize gastric acid through...
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