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Related Concept Videos

Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...
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Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
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Related Experiment Video

Updated: Jun 23, 2026

Finite Element Modelling of a Cellular Electric Microenvironment
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Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

Field-effect devices for detecting cellular signals.

A Poghossian1, S Ingebrandt, A Offenhäusser

  • 1Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, Campus Jülich, Ginsterweg 1, D-52428 Jülich, Germany.

Seminars in Cell & Developmental Biology
|May 12, 2009
PubMed
Summary
This summary is machine-generated.

This review explores cell/transistor hybrids, combining living cells with silicon electronics for advanced biosensors. These bioelectronic devices leverage cellular functions for novel sensing applications.

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Area of Science:

  • Bioelectronics
  • Biosensors
  • Biotechnology

Background:

  • Living cells offer complex, evolutionarily optimized biological receptors (enzymes, nucleic acids, proteins).
  • Silicon field-effect devices provide a platform for electronic interfacing.
  • Integrating cells with electronic devices creates novel hybrid systems.

Purpose of the Study:

  • To review recent advancements in cell/transistor hybrid technology.
  • To summarize trends in the development of cell-based field-effect transistors (cell-based FETs).
  • To cover progress in light-addressable potentiometric sensors.

Main Methods:

  • Integration of living cells with semiconductor-based electronic chips.
  • Development of functional hybrid systems exhibiting unique properties.
  • Utilizing cellular components as bioanalytical receptors within electronic devices.

Main Results:

  • Demonstrated successful construction of functional cell/transistor hybrids.
  • Highlighted unique functional and electronic properties arising from cell-device integration.
  • Showcased potential for both fundamental research and biosensor applications.

Conclusions:

  • Cell/transistor hybrids represent a significant advancement in biosensor technology.
  • The combination of biological complexity and electronic functionality opens new avenues.
  • Continued research promises innovative bioelectronic devices for diverse applications.