Pantelis Georgiou

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This paper presents a robust, low-power and compact ion-sensitive field-effect transistor (ISFET) sensing front-end for pH reaction monitoring using unmodified CMOS. Robustness is achieved by overcoming problems of DC offset due to trapped charge and transcoductance reduction due to capacitive division, which commonly exist with implementation of ISFETs in(More)
High-level, numerically oriented programming languages such as Mat-lab, Scilab or Octave are popular and well-established tools in the scientific and engineering communities. However, their computational efficiency sometimes limits their use in certain areas where intensive numerical computations are required, such as interval analysis. In this paper, we(More)
The paper will consider how silicon devices such as ion-sensitive field effect transistors can be used to model metabolic functions in biology. In a first example, a biologically inspired silicon beta cell is presented to serve as the main building block of an artificial pancreas. This is to be used for real-time glucose sensing and insulin release for(More)