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has been cited by the following article:

• TITLE: Noises and Signal-to-Noise Ratio of Nanosize EIS and ISFET Biosensors

  AUTHORS: Lusine Gasparyan, Ilya Mazo, Vahan Simonyan, Ferdinand Gasparyan

  KEYWORDS: Biosensor, Noise, Sensitivity, Signal-to-Noise Ratio

  JOURNAL NAME: Open Journal of Biophysics, Vol.10 No.1, December 20, 2019

  ABSTRACT: The results of comparative theoretical analyzes of the behavior of internal low-frequency noises, signal-to-noise ratio and sensitivity to DNA molecules for EIS and ISFET based nanosize biosensors are presented. It is shown that EIS biosensor is more sensitive to the presence of DNA molecules in aqueous solution than ISFET sensor. Internal electrical noises level decreases with the increase of concentration of DNA molecules in aqueous solution. In the frequency range 10−3 - 103 Hz noises level for EIS sensor about in three orders is higher than for ISFET sensor. In the other hand, signal-to-noise ratio for capacitive EIS biosensor is much higher than for ISFET sensor.