Thursday, 25 May 2017

Persistent Photoconductivity Used to Control Semiconductor Cells

Use of light to alter the conductivity of semiconductor material could provide a new way to control cell behavior on semiconductors used for bioelectronics. The approach draws on persistent photoconductivity, a phenomenon that causes some materials to become much more conductive when light is shined on them. When conductivity in these materials is elevated, the charge at the surface of the material increases. The escalation in surface charge can be used to direct cells to adhere to the material’s surface. 

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