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Toshiba Develops MEMS-based Cell Manipulation Method.

Tokyo, Japan, Dec 8, 2005 - (JCN) - Toshiba has developed an innovative cell manipulation method, which uses a micro electromechanical system (MEMS) device to incorporate nano silica particles into yeast cells.

In the new method, nano particles are minutely vibrated using the MEMS device so that they can adhere to cell surfaces in a solution containing the particles and the cells. As the particles are continued to be vibrated while being attached to the cell surfaces, the vibrations are converted into heat and the particles are physically acted upon and are subsequently incorporated into the cells.

The company has prototyped a MEMS device which is built on a silicon-on-insulator (SOI) chip with a 4x4mm mechanical diaphragm that has 130x130 water-repellant diode vibration dishes, about 20x20 microns square each.

Toshiba expects that the new method will contribute to a wide range of research in biological and medical sciences. Specifically, it aims to establish a new method that can selectively act on cells without resorting to chemical methods.

Details of the method was presented at the 2005 IEEE International Electron Devices Meeting held in Washington from December 5.

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Publication:JCNN News Summaries
Geographic Code:9JAPA
Date:Dec 9, 2005
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