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Electronic processes in biology. The seventeenth Douglas Lea Lecture
Physics in Medicine and Biology
|March 1, 1982
Summary
Quantum tunneling, a physics concept, may explain biological processes like photosynthesis and respiration. This electronic mechanism in biomolecules suggests a new framework for understanding life at a fundamental level.
Area of Science:
- Biophysics
- Quantum Biology
- Biochemistry
Background:
- Modern microelectronics share similarities with living systems, suggesting an electronic basis for biological functions.
- Quantum mechanical principles, such as electron tunneling, explain conductivity in non-crystalline solids and are applicable to biological systems.
Purpose of the Study:
- To explore the applicability of quantum mechanical electron tunneling to biological systems.
- To propose a framework for understanding vital biological processes through electron transport in biomolecules.
Main Methods:
- Application of physics concepts (electron tunneling) to biological contexts.
- Theoretical framework development for electron transport in biopolymers.
Main Results:
- Electron tunneling transitions in biomolecules can explain photosynthesis, respiration, and visual reception.
- Quantum tunneling through biopolymers like proteins suggests highly vectorial electron transport pathways.
- These electronic transport mechanisms have significant implications for understanding biological reactions, including those induced by radiolysis.
Conclusions:
- Quantum mechanical tunneling is a probable mechanism underlying key biological processes.
- Electronic physics offers a new paradigm for understanding biology, particularly through electron transport in biopolymers.
- Experimental verification remains challenging but is crucial for validating these electronic theories of life.