Biomedical Microdevices

, Volume 2, Issue 3, pp 179–184 | Cite as

Constructing Organic/Inorganic NEMS Devices Powered by Biomolecular Motors

  • George D. Bachand
  • Carlo D. Montemagno


The recognition of many enzymes as nanoscale molecular motors has opened the door for the potential creation of hybrid organic/inorganic nano-electro-mechanical (NEMS) devices. The long-term objective of this research is the integration of F1-ATPase with NEMS to produce useful nanoscale devices. A thermostable F1-ATPase coding sequence has been isolated, cloned, and engineered for high-level protein expression. Precise positioning, orientation, and spacing of individual F1-ATPase molecules were achieved on patterned nickel arrays produced using electron beam lithography. An efficient and accurate assay was developed to evaluate the performance of individual F1-ATPase motors, and confirmed a three-step mechanism of γ subunit rotation during ATP hydrolysis. Further assessment of the biophysical and bioengineering properties of FF1-ATPase currently are being conducted, as well as the construction of a hybrid NEMS device powered by FF1-ATPase. The evolution of this technology will permit the creation of novel classes of nanoscale, hybrid devices.

Biological motors F1-ATPase biomotors nanofabrication electron beam lithography differential interferometry 


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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • George D. Bachand
    • 1
  • Carlo D. Montemagno
    • 1
  1. 1.Department of Agricultural and Biological EngineeringCornell UniversityIthaca

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