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Wide-spectrum, ultrasensitive fluidic sensors with amplification from both fluidic circuits and metal oxide semiconductor field effect transistors
2007
Applied Physics Letters
Preserved Fulltext
The authors report a sensing scheme to detect the translocation of small particles through a fluidic channel. The device connects the gate of a metal oxide semiconductor field effect transistor ͑MOSFET͒ with a fluidic circuit and monitors the FET's drain current to detect particles. They demonstrate that amplification can be achieved from both the fluidic circuit and the MOSFET. The results show that a 0.7% volume ratio of the particle to the sensing microchannel can lead to 28%-56% modulation
doi:10.1063/1.2753123
fatcat:76anrvr7yrdvfahg57n42cxufq