Transistor-based particle detection systems and methods

Jain, Ankit; Nair, Pradeep R.; Alam, Muhammad Ashraful

Title: Transistor-based particle detection systems and methods

Patent · Tue Jun 09 00:00:00 EDT 2015

OSTI ID:1183932

Jain, Ankit; Nair, Pradeep R.; Alam, Muhammad Ashraful

Transistor-based particle detection systems and methods may be configured to detect charged and non-charged particles. Such systems may include a supporting structure contacting a gate of a transistor and separating the gate from a dielectric of the transistor, and the transistor may have a near pull-in bias and a sub-threshold region bias to facilitate particle detection. The transistor may be configured to change current flow through the transistor in response to a change in stiffness of the gate caused by securing of a particle to the gate, and the transistor-based particle detection system may configured to detect the non-charged particle at least from the change in current flow.

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Research Organization:: Purdue Univ., West Lafayette, IN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC52-08NA28617

Assignee:: Purdue Research Foundation (West Lafayette, IN)

Patent Number(s):: 9,052,281

Application Number:: 13/748,171

OSTI ID:: 1183932

Country of Publication:: United States

Language:: English

References (8)

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Flexure-FET biosensor to break the fundamental sensitivity limits of nanobiosensors using nonlinear electromechanical coupling Jain, A.; Nair, P. R.; Alam, M. A. Proceedings of the National Academy of Sciences, Vol. 109, Issue 24, p. 9304-9308 https://doi.org/10.1073/pnas.1203749109	journal	May 2012
Cantilever transducers as a platform for chemical and biological sensors Lavrik, Nickolay V.; Sepaniak, Michael J.; Datskos, Panos G. Review of Scientific Instruments, Vol. 75, Issue 7 https://doi.org/10.1063/1.1763252	journal	July 2004
Comparative advantages of mechanical biosensors Arlett, J. L.; Myers, E. B.; Roukes, M. L. Nature Nanotechnology, Vol. 6, Issue 4 https://doi.org/10.1038/nnano.2011.44	journal	March 2011
Thirty years of ISFETOLOGY: What happened in the past 30 years and what may happen in the next 30 years Bergveld, P. Sensors and Actuators B: Chemical, Vol. 88, Issue 1, p. 1-20 https://doi.org/10.1016/S0925-4005(02)00301-5	journal	January 2003
Screening-Limited Response of NanoBiosensors Nair, Pradeep R.; Alam, Muhammad A. Nano Letters, Vol. 8, Issue 5 https://doi.org/10.1021/nl072593i	journal	May 2008
The resonant gate transistor Nathanson, H. C.; Newell, W. E.; Wickstrom, R. A. IEEE Transactions on Electron Devices, Vol. 14, Issue 3 https://doi.org/10.1109/T-ED.1967.15912	journal	March 1967
Pull-In and Release Voltage Design for Nanoelectromechanical Field-Effect Transistors Kam, Hei; Liu, Tsu-Jae King IEEE Transactions on Electron Devices, Vol. 56, Issue 12 https://doi.org/10.1109/TED.2009.2032617	journal	December 2009

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