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Biological motors sort molecules one by one on a chip

Researchers from the Delft University of Technology Kavli Institute of Nanoscience have discovered how to use the motors of biological cells in extremely small channels on a chip. Based on this, they built a transport system that uses electrical charges to direct the molecules individually.

Posted: May 11th, 2006

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Corking nano test tubes

Scientists have found a way to cork nanoscale test tubes. The goal is a better way to deliver drugs, for example, for cancer treatment. Scientists want to fill the teeny tubes with drugs and inject them into the body, where they will seek diseased or cancerous cells, uncork and spill their therapeutic contents in the right place.

Posted: May 10th, 2006

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Metal-embedding method helps tiny sensors function in extreme environments

University of Wisconsin-Madison mechanical engineers have developed a method for fabricating packages of tiny sensors that measure temperature more accurately than bulk thermocouples. Inserted unobtrusively in critical locations, these metal-embedded micro-thin film thermocouples could more effectively monitor conditions and diagnose problems during manufacturing processes such as injection-molding or die-casting.

Posted: May 5th, 2006

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