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Biomolecular electronics in the twenty-first century.

R S Phadke1

  • 1TIFR, Mumbai, India. ratna@tifr.res.in

Applied Biochemistry and Biotechnology
|January 11, 2002
PubMed
Summary

Scientists are exploring biomolecules for next-generation electronics due to limitations in silicon-based microelectronics. Biomolecular approaches offer functionality and specificity for advanced molecular devices and computing.

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Area of Science:

  • Molecular electronics
  • Nanotechnology
  • Biomolecular engineering

Background:

  • Silicon-based microelectronics face limitations due to quantum-size effects and thermal fluctuations.
  • The relentless decrease in device size necessitates exploring alternative materials and approaches.
  • Understanding natural systems like photosynthesis inspires new electronic designs.

Purpose of the Study:

  • To review current trends in biomolecular approaches for advanced electronic devices.
  • To highlight the potential of biomolecules as alternatives to silicon-based technologies.
  • To discuss the future prospects of molecular computing and data storage.

Main Methods:

  • Leveraging advancements in understanding natural systems (e.g., photosynthetic apparatuses).
  • Utilizing genetic engineering for biomolecule design and application.
  • Employing atomic and molecular manipulation techniques (scanning tunneling microscopy, atomic force microscopy).
  • Applying self-assembly principles for intricate molecular structure design.

Main Results:

  • Biomolecules offer inherent functionality and specificity for electronic applications.
  • DNA shows potential as a 3D, high-density memory element and for molecular computing.
  • Atomic and molecular manipulation tools enable precise control over nanoscale components.

Conclusions:

  • Biomolecular approaches represent a promising frontier for overcoming silicon-based electronics limitations.
  • Further research and development are needed to fully realize the potential of molecular devices.
  • The next millennium is expected to see significant advancements in biomolecular electronics and computing.

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