Multi-layer planar micro-coils chip as actuators and heaters for biological applications
2012
In this paper, a multi-functional of multi-layer planar micro-coils chip is demonstrated to play as actuators and heaters. For playing as actuators, the micro-coil generate local magnetic field with applied current of 15 mA to quickly manipulated magnetic beads to center of micro-coil within one minute. For functioning as heaters, the micro-coil heater can be quickly heated up to denatured temperature of 95 °C with input power of 50.5 mW, and its heating and cooling rate are 19.7 and 11.8 °C/s, respectively. For the typical 25 polymerase chain reaction (PCR) cycles, it took only 770 seconds. To further shrink and optimize the multi-layer planar micro-coils chip can be possibly used to manipulate single cell with magnetic beads to specific region and analyze its gene sequence by using single cell PCR technique.
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