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Bio & Medicine May 31, 2019

Researchers use magnetically actuated microrobots to deliver stem cells to tissue targets

A team of researchers affiliated with several institutions in South Korea and one in Switzerland has demonstrated that it is possible to use magnetically actuated microrobots to deliver stem cells to targeted tissue. In their ...

Bio & Medicine May 7, 2019

Synthetic and living micropropellers support convection-enhanced nanoparticle transport

Nanoparticles (NPs) are a promising platform for drug delivery to treat a variety of diseases including cancer, cardiovascular disease and inflammation. Yet the efficiency of NP transfer to the diseased tissue of interest ...

Bio & Medicine Apr 26, 2019

Tiny robots powered by magnetic fields could help drug-delivery nanoparticles reach their targets

MIT engineers have designed tiny robots that can help drug-delivery nanoparticles push their way out of the bloodstream and into a tumor or another disease site. Like crafts in "Fantastic Voyage"—a 1960s science fiction film ...

Optics & Photonics Apr 18, 2019

Folding an acoustic vortex on a flat holographic transducer to form miniaturized selective acoustic tweezers

Acoustic tweezers are based on focused acoustic vortices and hold promise to precisely manipulate microorganisms and cells from the millimeter scale down to the submicron scale, without contact, and with unprecedented selectivity ...

General Physics Apr 4, 2019

Microscopic swimmers with visual perception of group members form stable swarms

Birds, fish and bacteria often gather into groups or swarms. This so-called collective behaviour requires all group members to continuously and reciprocally adapt their movements. It can be a challenging task, however, for ...

Nanophysics Jan 23, 2019

New 3-D nanoprinting strategy opens door to revolution in medicine, robotics

Engineers at the University of Maryland (UMD) have created the first 3-D-printed fluid circuit element so tiny that 10 could rest on the width of a human hair. The diode ensures fluids move in only a single direction—a critical ...

Bio & Medicine Dec 20, 2018

Researchers create a bacteria-based drug delivery system that outperforms conventional methods

An interdisciplinary team of three Virginia Tech faculty members affiliated with the Macromolecules Innovation Institute has created a drug delivery system that could radically expand cancer treatment options.

Nanomaterials Nov 6, 2018

Engineers develop ultrathin, ultralight 'nanocardboard'

When choosing materials to make something, trade-offs need to be made between a host of properties, such as thickness, stiffness and weight. Depending on the application in question, finding just the right balance is the ...

Plants & Animals Oct 18, 2018

Bioceramics power the mantis shrimp's famous punch

Researchers in Singapore can now explain what gives the mantis shrimp, a marine crustacean that hunts by battering its prey with its club-like appendages, the most powerful punch in the animal kingdom. In a paper publishing ...

Cell & Microbiology Sep 13, 2018

Magnetic bacteria and their unique superpower attract researchers

As a graduate student in the 1970s, microbiologist Richard Blakemore probably wasn't expecting to discover a new bacterial species with a never-before-seen ability. While studying bacteria that live in muddy swamps, he observed ...

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