Title :
An ultrasensitive field effect charge sensor for label-free biomolecule detection
Author :
Shao, Shiqian ; Wang, Yi
Author_Institution :
Wuhan Nat. Lab. for Optoelectron., Huazhong Univ. of Sci. & Technol., Wuhan, China
Abstract :
An ultrasensitive field effect charge sensor is proposed to detect label-free biomolecules. The results show that the source-drain current of the model shifts 0.4 muA in response to every electron per square micron.
Keywords :
bioelectric phenomena; biosensors; electric sensing devices; field effect transistors; molecular biophysics; FET charge sensor; electrical sensing; label-free biomolecule detection; source-drain current; ultrasensitive field effect charge sensor; Biological processes; Biological system modeling; Biosensors; Doping; FETs; Molecular biophysics; Optoelectronic and photonic sensors; Silicon compounds; Substrates; Voltage control; field-effect charge sensor; label-free; ultra-sensitivity;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292283
