In vitro and in vivo measurement for biological applications using micromachined probe

Jung Mu Kim; Donghoon Oh; Jeonghoon Yoon; Sungjoon Cho; Namgon Kim; Jeiwon Cho; Youngwoo Kwon; Changyul Cheon; Yong Kweon Kim

doi:10.1109/TMTT.2005.857116

In vitro and in vivo measurement for biological applications using micromachined probe

Jung Mu Kim, Donghoon Oh, Jeonghoon Yoon, Sungjoon Cho, Namgon Kim, Jeiwon Cho, Youngwoo Kwon, Changyul Cheon, Yong Kweon Kim

Divison of Brain & Cognitive Sciences

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We developed a small-sized micromachined probe for the measurement of biological properties using microelectromechanical systems (MEMS) technology. We also experimentally showed the suitability of the micromachined probe for biological applications through in vivo, as well as in vitro measurements of various types of tissue. We measured the permittivities of 0.9% saline and the muscle and fat of pork using the micromachined probe after liquid calibration. The measured permittivities of 0.9% saline and pork agreed well with both the expected values of the Cole-Cole equation along with the measured values obtained through the use of a 1-mm-diameter open-ended coaxial probe. We also performed in vivo measurements of breast cancer tissue implanted in an athymic nude mouse to show the suitability of the small-sized micromachined probe for practical biological applications. Through the obtained data, the capability of the micromachined probe of distinguishing different tissue types from one another was shown. The actual aperture size of the micromachined probe is only 240 μm × 70 μm and, therefore, we can extract the biological information from very small biological tissues and drastically decrease the invasiveness of this method through the implementation of the small probe created through the use of MEMS technology.

Original language	English
Pages (from-to)	3415-3421
Number of pages	7
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	53
Issue number	11
DOIs	https://doi.org/10.1109/TMTT.2005.857116
State	Published - Nov 2005

Bibliographical note

Funding Information:
Manuscript received April 1, 2005; revised July 7, 2005. This work was supported by the Korean Ministry of Science and Technology under the Creative Research Initiative Program. J.-M. Kim, J. Yoon, S. Cho, N. Kim, J. Cho, Y. Kwon, and Y.-K. Kim are with the Center for Three-Dimensional Millimeter-Wave Integrated Systems, Seoul National University, Seoul 151-742, Korea (e-mail: [email protected]). D. Oh and C. Cheon are with the Department of Electrical Engineering, University of Seoul, Seoul 130-743, Korea. Digital Object Identifier 10.1109/TMTT.2005.857116

Keywords

In vitro
In vivo
Microelectromechanical systems (MEMS)
Micromachined probe
Permittivity measurement

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10.1109/TMTT.2005.857116

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title = "In vitro and in vivo measurement for biological applications using micromachined probe",

abstract = "We developed a small-sized micromachined probe for the measurement of biological properties using microelectromechanical systems (MEMS) technology. We also experimentally showed the suitability of the micromachined probe for biological applications through in vivo, as well as in vitro measurements of various types of tissue. We measured the permittivities of 0.9% saline and the muscle and fat of pork using the micromachined probe after liquid calibration. The measured permittivities of 0.9% saline and pork agreed well with both the expected values of the Cole-Cole equation along with the measured values obtained through the use of a 1-mm-diameter open-ended coaxial probe. We also performed in vivo measurements of breast cancer tissue implanted in an athymic nude mouse to show the suitability of the small-sized micromachined probe for practical biological applications. Through the obtained data, the capability of the micromachined probe of distinguishing different tissue types from one another was shown. The actual aperture size of the micromachined probe is only 240 μm × 70 μm and, therefore, we can extract the biological information from very small biological tissues and drastically decrease the invasiveness of this method through the implementation of the small probe created through the use of MEMS technology.",

keywords = "In vitro, In vivo, Microelectromechanical systems (MEMS), Micromachined probe, Permittivity measurement",

author = "Kim, {Jung Mu} and Donghoon Oh and Jeonghoon Yoon and Sungjoon Cho and Namgon Kim and Jeiwon Cho and Youngwoo Kwon and Changyul Cheon and Kim, {Yong Kweon}",

note = "Funding Information: Manuscript received April 1, 2005; revised July 7, 2005. This work was supported by the Korean Ministry of Science and Technology under the Creative Research Initiative Program. J.-M. Kim, J. Yoon, S. Cho, N. Kim, J. Cho, Y. Kwon, and Y.-K. Kim are with the Center for Three-Dimensional Millimeter-Wave Integrated Systems, Seoul National University, Seoul 151-742, Korea (e-mail: [email protected]). D. Oh and C. Cheon are with the Department of Electrical Engineering, University of Seoul, Seoul 130-743, Korea. Digital Object Identifier 10.1109/TMTT.2005.857116",

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AU - Oh, Donghoon

AU - Yoon, Jeonghoon

AU - Cho, Sungjoon

AU - Kim, Namgon

AU - Cho, Jeiwon

AU - Kwon, Youngwoo

AU - Cheon, Changyul

AU - Kim, Yong Kweon

N1 - Funding Information: Manuscript received April 1, 2005; revised July 7, 2005. This work was supported by the Korean Ministry of Science and Technology under the Creative Research Initiative Program. J.-M. Kim, J. Yoon, S. Cho, N. Kim, J. Cho, Y. Kwon, and Y.-K. Kim are with the Center for Three-Dimensional Millimeter-Wave Integrated Systems, Seoul National University, Seoul 151-742, Korea (e-mail: [email protected]). D. Oh and C. Cheon are with the Department of Electrical Engineering, University of Seoul, Seoul 130-743, Korea. Digital Object Identifier 10.1109/TMTT.2005.857116

PY - 2005/11

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N2 - We developed a small-sized micromachined probe for the measurement of biological properties using microelectromechanical systems (MEMS) technology. We also experimentally showed the suitability of the micromachined probe for biological applications through in vivo, as well as in vitro measurements of various types of tissue. We measured the permittivities of 0.9% saline and the muscle and fat of pork using the micromachined probe after liquid calibration. The measured permittivities of 0.9% saline and pork agreed well with both the expected values of the Cole-Cole equation along with the measured values obtained through the use of a 1-mm-diameter open-ended coaxial probe. We also performed in vivo measurements of breast cancer tissue implanted in an athymic nude mouse to show the suitability of the small-sized micromachined probe for practical biological applications. Through the obtained data, the capability of the micromachined probe of distinguishing different tissue types from one another was shown. The actual aperture size of the micromachined probe is only 240 μm × 70 μm and, therefore, we can extract the biological information from very small biological tissues and drastically decrease the invasiveness of this method through the implementation of the small probe created through the use of MEMS technology.

AB - We developed a small-sized micromachined probe for the measurement of biological properties using microelectromechanical systems (MEMS) technology. We also experimentally showed the suitability of the micromachined probe for biological applications through in vivo, as well as in vitro measurements of various types of tissue. We measured the permittivities of 0.9% saline and the muscle and fat of pork using the micromachined probe after liquid calibration. The measured permittivities of 0.9% saline and pork agreed well with both the expected values of the Cole-Cole equation along with the measured values obtained through the use of a 1-mm-diameter open-ended coaxial probe. We also performed in vivo measurements of breast cancer tissue implanted in an athymic nude mouse to show the suitability of the small-sized micromachined probe for practical biological applications. Through the obtained data, the capability of the micromachined probe of distinguishing different tissue types from one another was shown. The actual aperture size of the micromachined probe is only 240 μm × 70 μm and, therefore, we can extract the biological information from very small biological tissues and drastically decrease the invasiveness of this method through the implementation of the small probe created through the use of MEMS technology.

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KW - In vivo

KW - Microelectromechanical systems (MEMS)

KW - Micromachined probe

KW - Permittivity measurement

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JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

IS - 11

ER -

In vitro and in vivo measurement for biological applications using micromachined probe

Abstract

Bibliographical note

Keywords

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