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Materials Science Nov 19, 2019

How to expand and contract curved surfaces of all shapes

Researchers at TU Delft's department of Precision and Microsystems Engineering (PME) have designed a dilation method that can be applied to any curved surface. This universal method may have a range of applications, including ...

Materials Science Oct 23, 2019

Monitoring the corrosion of bioresorbable magnesium

ETH researchers have recently been able to monitor the corrosion of bioresorbable magnesium alloys at the nanoscale over a time scale of a few seconds to many hours. This is an important step towards accurately predicting ...

Materials Science Aug 7, 2019

Scratching the surface: Metallic glass implants

A class of biomaterials called bulk metallic glasses could transform future implanted medical devices and other engineered objects.

Biotechnology Jul 23, 2019

3-D printed custom silicon heart valves

Scientists at ETH Zurich and the South African company Strait Access Technologies are using 3-D printing to produce custom-made artificial heart valves from silicone. This could help meet an aging population's growing demand ...

Bio & Medicine Jun 25, 2019

A better way to encapsulate islet cells for diabetes treatment

When medical devices are implanted in the body, the immune system often attacks them, producing scar tissue around the device. This buildup of tissue, known as fibrosis, can interfere with the device's function.

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 ...

Materials Science Apr 3, 2019

In shape memory alloys, the right combination of crystal grains can achieve high strength and still retain memory

A*STAR researchers have shown, through a supercomputer simulation, that high strength and shape memory can be realized at the same time by combining crystal grains of different sizes, a feat previously thought impossible. ...

Polymers Mar 11, 2019

Researchers develop tool to probe plastics' behavior down to the molecular scale

Consider the humble tire. Sitting outside on a frigid winter day, it's hard as a stone, yet when spinning under a drag racer, a tire becomes warmly pliable. For everyday materials, from glass to rubber to plastic, these fundamental ...

Polymers Feb 26, 2019

New shape memory polymer represents biomedical breakthrough

Researchers in the College of Engineering and Computer Science have developed a material—a new kind of shape memory polymer (SMP)—that could have major implications for health care.

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