Swimming microbots could deliver drugs

Imagine a tiny robot swimming through your blood to deliver drugs. While these are still in the imaginations (and the computers) of the computational modelers, one day, self-propelling microswimmers based on responsive gels with beating "wings" could potentially flap their way around the body with therapeutic cargos, steered by stimuli such as light, temperature or magnetic field. Alexander Alexeev of the George W. Woodruff School of Mechanical Engineering at Georgia Tech said: "This is a simulation that we hope to see in real life one day." Remember the 1980s movie "Innerspace," anyone? Press release | Abstract

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