Forget defrosting your car at a glacial pace: New research speeds process up tenfold

Forget defrosting your car at a glacial pace: New research speeds process up tenfold
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Gold Remembers: 'Shape Memory' Effect Demonstrated in Gold Particles

Gold Remembers:
Researchers from the Technion-Israel Institute of Technology and Germany have demonstrated for the first time the phenomena of shape memory and self-healing in gold microparticles. Achieved through defects-mediated diffusion in the particle, the discovery could one day lead to development of micro- and nano-robots capable of self-repair; mechanically stable and damage-tolerant components and devices; and targeted drug delivery. The study, published in the journal Advanced Science, was conducted …
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Powerful new photodetector can enable optoelectronics advances

Powerful new photodetector can enable optoelectronics advances
In today's increasingly powerful electronics, tiny materials are a must as manufacturers seek to increase performance without adding bulk. Smaller also is better for optoelectronic devices -- like camera sensors or solar cells -- which collect light and convert it to electrical energy. Think, for example, about reducing the size and weight of a series of solar panels, producing a higher-quality photo in low lighting conditions, or even transmitting data more quickly. However, two major challenge…
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Tumor-targeting MRI contrast developed, based on human protein

Tumor-targeting MRI contrast developed, based on human protein
A team led by Gang Han, PhD, has designed a human protein-based, tumor-targeting Magnetic Resonance Imaging (MRI) contrast that can be easily cleared by the body. The discovery holds promise for clinical application, including early stage tumor detection because of the enhanced MRI contrast, according to Dr. Han, associate professor of biochemistry & molecular pharmacology at University of Massachusetts Medical School. MRI is one of the most widely used, noninvasive and versatile imaging tools f…
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Unique 3-D printed models could improve patient outcomes in heart valve replacements

Unique 3-D printed models could improve patient outcomes in heart valve replacements
Posted: Jul 07, 2017 (Nanowerk News) Researchers at Georgia Institute of Technology and the Piedmont Heart Institute are using standard medical imaging and new 3-D printing technologies to create patient-specific heart valve models that mimic the physiological qualities of the real valves. Their aim is to improve the success rate of transcatheter aortic valve replacements (TAVR) by picking the right prosthetic and avoiding a common complication known as paravalvular l…
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3D printing: a new industrial revolution

3D printing: a new industrial revolution
Posted: Jul 06, 2017 (Nanowerk News) A just published article on 3D printing ("3D Printing and Additive Manufacturing – The Implications for OSH"; pdf) has been undertaken on behalf of the European Agency for Safety and Health at Work (EU-OSHA). It examines some key questions concerning the opportunities and challenges of the emerging 3D printing industry for employers, workers and the new entrepreneur, who is working from home or informal workspaces.…
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2-D layered devices can self-assemble with precision

2-D layered devices can self-assemble with precision
Squid-inspired proteins can act as programmable assemblers of 2-D materials, like graphene oxide, to form hybrid materials with minute spacing between layers suitable for high-efficiency devices including flexible electronics, energy storage systems and mechanical actuators, according to an interdisciplinary team of researchers.…
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Spinning around: A room temperature field-effect transistor using graphene's electron spin

Spinning around: A room temperature field-effect transistor using graphene
A graphene-based spin field-effect transistor has been used in an operating at room temperature. Using the spin of the electrons in graphene and other layered material heterostructures the researchers have produced working devices as a step towards integrating spintronic logic and memory devices.…
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Sprayable sensing network technology for structural health monitoring

Sprayable sensing network technology for structural health monitoring
A novel breed of nanocomposites-inspired sensors has been developed that can be sprayed directly on flat or curved engineering structural surfaces, such as train tracks and airplane structures. The sprayed sensors can be networked, to render rich real-time information on the health status of the structure under monitoring.…
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The comeback kid: Black phosphorus and its new potential

The comeback kid: Black phosphorus and its new potential
When it was discovered over a century ago, black phosphorus was considered relatively useless. Over the past five years, however, the engineers and chemists have become intrigued by the material for its potential as an ultra-thin semiconductor, possibly ushering in a new age of flexible and smaller electronics. Now, one group reports in Nano Letters that some commonly held assumptions about black phosphorus are incorrect and that the material is exceptionally tunable. Black phosphorus is emergin…
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