Real-Time Analysis of Cellular Response to Small-Molecule Drugs within a Microfluidic Dielectrophoresis Device

In Soo Park, Jaewoo Lee, Gyudo Lee, Kihwan Nam, Taewoo Lee, Woo Jin Chang, Hansung Kim, Sei Young Lee, Jongbum Seo, Dae Sung Yoon, Sang Woo Lee

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Quantitative detection of the biological properties of living cells is essential for a wide range of purposes, from the understanding of cellular characteristics to the development of novel drugs in nanomedicine. Here, we demonstrate that analysis of cell biological properties within a microfluidic dielectrophoresis device enables quantitative detection of cellular biological properties and simultaneously allows large-scale measurement in a noise-robust and probeless manner. Applying this technique, the static and dynamic biological responses of live B16F10 melanoma cells to the small-molecule drugs such as N-ethylmaleimide (NEM) and [(dihydronindenyl)oxy]alkanoic acid (DIOA) were quantitatively and statistically examined by investigating changes in movement of the cells. Measurement was achieved using subtle variations in dielectrophoresis (DEP) properties of the cells, which were attributed to activation or deactivation of K+/Cl- cotransporter channels on the cell membrane by the small-molecule drugs, in a microfluidic device. On the basis of quantitative analysis data, we also provide the first report of the shift of the complex permittivity of a cell induced by the small-molecule drugs. In addition, we demonstrate interesting quantifiable parameters including the drug effectiveness coefficient, antagonistic interaction coefficient, kinetic rate, and full width at half-maximum, which corresponded to changes in biological properties of B16F10 cells over time when NEM and DIOA were introduced alone or in combination. Those demonstrated parameters represent very useful tools for evaluating the effect of small-molecule drugs on the biological properties of cells.

Original languageEnglish
Pages (from-to)5914-5920
Number of pages7
JournalAnalytical Chemistry
Volume87
Issue number12
DOIs
Publication statusPublished - 2015 Jun 16

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Electrophoresis
Microfluidics
Molecules
Pharmaceutical Preparations
Ethylmaleimide
Carboxylic acids
Medical nanotechnology
Cell membranes
Full width at half maximum
Permittivity
Chemical activation
Cells
Kinetics
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Park, I. S., Lee, J., Lee, G., Nam, K., Lee, T., Chang, W. J., ... Lee, S. W. (2015). Real-Time Analysis of Cellular Response to Small-Molecule Drugs within a Microfluidic Dielectrophoresis Device. Analytical Chemistry, 87(12), 5914-5920. https://doi.org/10.1021/ac5041549
Park, In Soo ; Lee, Jaewoo ; Lee, Gyudo ; Nam, Kihwan ; Lee, Taewoo ; Chang, Woo Jin ; Kim, Hansung ; Lee, Sei Young ; Seo, Jongbum ; Yoon, Dae Sung ; Lee, Sang Woo. / Real-Time Analysis of Cellular Response to Small-Molecule Drugs within a Microfluidic Dielectrophoresis Device. In: Analytical Chemistry. 2015 ; Vol. 87, No. 12. pp. 5914-5920.
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Park, IS, Lee, J, Lee, G, Nam, K, Lee, T, Chang, WJ, Kim, H, Lee, SY, Seo, J, Yoon, DS & Lee, SW 2015, 'Real-Time Analysis of Cellular Response to Small-Molecule Drugs within a Microfluidic Dielectrophoresis Device', Analytical Chemistry, vol. 87, no. 12, pp. 5914-5920. https://doi.org/10.1021/ac5041549

Real-Time Analysis of Cellular Response to Small-Molecule Drugs within a Microfluidic Dielectrophoresis Device. / Park, In Soo; Lee, Jaewoo; Lee, Gyudo; Nam, Kihwan; Lee, Taewoo; Chang, Woo Jin; Kim, Hansung; Lee, Sei Young; Seo, Jongbum; Yoon, Dae Sung; Lee, Sang Woo.

In: Analytical Chemistry, Vol. 87, No. 12, 16.06.2015, p. 5914-5920.

Research output: Contribution to journalArticle

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AU - Park, In Soo

AU - Lee, Jaewoo

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AU - Lee, Taewoo

AU - Chang, Woo Jin

AU - Kim, Hansung

AU - Lee, Sei Young

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AU - Lee, Sang Woo

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