The development of a nano-IMU using buoyancy-driven convection coupled with chemistry

Tanner, Maria E.; Protz, Jonathan M.

doi:10.1117/12.734590

Cited by 2 publications

(3 citation statements)

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“…The system of equations for the heat transfer model, where the track is divided into a high temperature region and a low temperature region, is (1) where A n , B n , c n , and d n are Fourier expansion coefficients, A c is the cross-sectional area of the channel, D H is the hydraulic diameter, L is the length, m o , ρ ,o , T o, and u o are constants and represent a biased background value for mass flow rate, density, temperature, and fluid velocity respectively [3].…”

Section: Mechanical Sensingmentioning

confidence: 99%

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Analysis and feasibility of chemical recording using thermosensitive liposomes

Tanner

Vasievich²,

Protz

2007

BioMEMS and Nanotechnology III

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A new generation of inertial measurement technology is being developed enabling a 10-micron particle to be "aware" of its geospatial location and respond to this information. The proposed approach combines an inertially-sensitive nanostructure or nano fluid/structure system with a nano-sized chemical reactor that functions as an analog computer. Originally, a cantilever-controlled valve used to control a first order chemical reaction was proposed. The feasibility of this concept was evaluated, resulting in a device with significant size reductions, comparable gain, and lower bandwidth than current accelerometers. New concepts with additional refinements have been investigated. Buoyancy-driven convection coupled with a chemical recording technique is explored as a possible alternative. Using a micro-track containing regions of different temperatures and thermosensitive liposomes (TSL), a range of accelerations can be recorded and the position determined. Through careful design, TSL can be developed that have unique transition temperatures and each class of TSL will contain a unique DNA sequence that serves as an identifier. Acceleration can be detected through buoyancy-driven convection. As the liposomes travel to regions of warmer temperature, they will release their contents at the recording site, thus documenting the acceleration. This paper will outline the concept and present the feasibility.

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Section: Mechanical Sensingmentioning

confidence: 99%

“…In Region 3, both A and B have saturated and the maximum recordable velocity has been reached. The system of equations for the mass transfer model is π ρ πµ ρ πµ π π π π π π where D AB is the diffusivity coefficient and C is the concentration [3].…”

Section: Mechanical Sensingmentioning

confidence: 99%

Analysis and feasibility of chemical recording using thermosensitive liposomes

Tanner

Vasievich²,

Protz

2007

BioMEMS and Nanotechnology III

Self Cite

View full text Add to dashboard Cite

show abstract

“…The feasibility of this concept was evaluated, resulting in a device with significant size reductions, comparable gain, and lower bandwidth than current accelerometers 1,2 . The concept then evolved to use buoyancy-driven convection 3 .…”

Section: Introductionmentioning

confidence: 99%

Experimental results of chemical recording using thermally sensitive liposomes

Tanner

Vasievich²,

Protz

2008

SPIE Proceedings

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A new generation of inertial measurement technology is being developed enabling a 10-micron particle to be "aware" of its geospatial location and respond to this information. The proposed approach combines an inertially-sensitive nanostructure or nano fluid/structure system with a nano-sized chemical reactor that functions as an analog computer. By using chemistry to perform the necessary computational steps in our device, it is possible to overcome traditional limitations on device size. The proposed nanodevice utilizes mechanical sensing and chemical recording to record the time history of various state variables. Using a micro-track containing regions of different temperatures and thermallysensitive liposomes (TSL), a range of accelerations can be recorded and the position determined. Through careful design, TSL can be developed that have unique transition temperatures and each class of TSL will contain a unique DNA sequence that serves as an identifier. Acceleration can be detected through buoyancy-driven convection. As the liposomes travel to regions of warmer temperature, they will release their contents at the recording site, thus documenting the acceleration. This paper will present the initial proof-of-concept experimental results achieved from chemical recording of the state variable temperature. The experiment focuses on the liposome release of the DNA due to temperature variations and subsequent binding and recording of the time history. These results prove the feasibility of this method of sensing and recording of the history of state variables.

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The development of a nano-IMU using buoyancy-driven convection coupled with chemistry

Cited by 2 publications

References 0 publications

Analysis and feasibility of chemical recording using thermosensitive liposomes

Analysis and feasibility of chemical recording using thermosensitive liposomes

Experimental results of chemical recording using thermally sensitive liposomes

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