ScienceDaily: Engineering and Construction News

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• New materials for better, stronger and cheaper dental implants
• Boosting biofuel: Yeast made to tolerate high levels of ethanol, making them more productive
• Fine tuning nanoparticles for the medical industry
• New nanomaterial introduced into electrical machines
• All directions are not created equal for nanoscale heat sources

New materials for better, stronger and cheaper dental implants Posted: 03 Oct 2014 03:44 AM PDT A ceramic polymer blend has been developed by researchers to reduce costs of dental implants. "By optimizing the geometry and consistency of the implants we can ensure that they remain in place longer, but with a lower cost than the titanium implant," said the project collaborator in charge of industrial design.

Boosting biofuel: Yeast made to tolerate high levels of ethanol, making them more productive Posted: 02 Oct 2014 11:18 AM PDT Yeast are commonly used to transform corn and other plant materials into biofuels such as ethanol. However, large concentrations of ethanol can be toxic to yeast, which has limited the production capacity of many yeast strains used in industry.

Fine tuning nanoparticles for the medical industry Posted: 02 Oct 2014 05:41 AM PDT Nanoparticles have the potential to revolutionize the medical industry, but they must possess a few critical properties. First, they need to target a specific region, so that they do not scatter throughout the body. They also require some sort of sensing method, so that doctors and researchers can track the particles. Finally, they need to perform their function at the right moment, ideally in response to a stimulus. Scientists are trying to develop new particles with unprecedented properties that still meet these requirements.

New nanomaterial introduced into electrical machines Posted: 02 Oct 2014 05:41 AM PDT Scientists have now constructed the world's first prototype electrical motor using carbon nanotube yarn in the motor windings. The new technology may significantly enhance the performance.

All directions are not created equal for nanoscale heat sources Posted: 01 Oct 2014 06:02 AM PDT Thermal considerations are rapidly becoming one of the most serious design constraints in microelectronics, especially on submicron scale lengths. A new study has shown that standard thermal models will lead to the wrong answer in a three-dimensional heat-transfer problem if the dimensions of the heating element are on the order of one micron or smaller.

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