A tunable carbon nanotube electromechanical oscillator

Article Abstract:

The electrical actuation and detection of the guitar-string-like oscillation modes of doubly clamped nanotube oscillators is reported. It was observed that the resonance frequency can be widely tuned and that the devices can be used to transduce very small forces and was concluded that the combination of high sensitivity, tunability, and high-frequency operation make nanotube oscillators promising for a variety of scientific and technological applications.

Electromechanical devices, Nanotubes

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Systematic design of chemical oscillators using complexation and precipitation equilibria

Article Abstract:

It has been shown that linking a core oscillator to a complexation or precipitation equilibrium can induce concentration oscillations in a series participating in the equilibrium. The ability to generate oscillations in elements possessing only a single stable oxidation state leads to reactions that are useful for coupling to or probing living systems, or that help to understand new mechanisms by which periodic behavior may arise.

Chemical equilibrium, Chemical reactions

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A synthetic gene-metabolic oscillator

Article Abstract:

Autonomous oscillations found in gene expression and metabolic, cardiac and neuronal systems have attracted attention because of the obvious biological roles and their intriguing dynamics. It is demonstrated the possibility of using metabolic flux as a control factor in the system wide oscillation and predictability of a gene metabolic circuit designed using nonlinear dynamic analysis.

Metabolism, Gene expression

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