Microfluidic Cell Microarray Platform for High Throughput Analysis of Particle-Cell Interactions

Ziqiu Tong; Gayathri Rajeev; Keying Guo; Angela Ivask; Scott McCormick; Enzo Lombi; Craig Priest; Nicolas H. Voelcker

doi:10.1021/acs.analchem.7b03079

Microfluidic Cell Microarray Platform for High Throughput Analysis of Particle-Cell Interactions

Ziqiu Tong, Gayathri Rajeev, Keying Guo, Angela Ivask, Scott McCormick, Enzo Lombi, Craig Priest^*, Nicolas H. Voelcker

^*Corresponding author for this work

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

18 Scopus citations

Abstract

With advances in nanotechnology, particles with various size, shape, surface chemistry, and composition can be easily produced. Nano- and microparticles have been extensively explored in many industrial and clinical applications. Ensuring that the particles themselves are not possessing toxic effects to the biological system is of paramount importance. This paper describes a proof of concept method, in which a microfluidic system is used in conjunction with a cell microarray technique aiming to streamline the analysis of particle-cell interaction in a high throughput manner. Polymeric microparticles, with different particle surface functionalities, were first used to investigate the efficiency of particle-cell adhesion under dynamic flow. Silver nanoparticles (AgNPs, 10 nm in diameter) perfused at different concentrations (0 to 20 μg/mL) in parallel streams over the cell microarray exhibited a higher toxicity compared to the static culture in the 96-well-plate format. This developed microfluidic system can be easily scaled up to accommodate a larger number of microchannels for high throughput analysis of the potential toxicity of a wide range of particles in a single experiment.

Original language	English
Pages (from-to)	4338-4347
Number of pages	10
Journal	Analytical Chemistry
Volume	90
Issue number	7
DOIs	https://doi.org/10.1021/acs.analchem.7b03079
State	Published - 3 Apr 2018
Externally published	Yes

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title = "Microfluidic Cell Microarray Platform for High Throughput Analysis of Particle-Cell Interactions",

abstract = "With advances in nanotechnology, particles with various size, shape, surface chemistry, and composition can be easily produced. Nano- and microparticles have been extensively explored in many industrial and clinical applications. Ensuring that the particles themselves are not possessing toxic effects to the biological system is of paramount importance. This paper describes a proof of concept method, in which a microfluidic system is used in conjunction with a cell microarray technique aiming to streamline the analysis of particle-cell interaction in a high throughput manner. Polymeric microparticles, with different particle surface functionalities, were first used to investigate the efficiency of particle-cell adhesion under dynamic flow. Silver nanoparticles (AgNPs, 10 nm in diameter) perfused at different concentrations (0 to 20 μg/mL) in parallel streams over the cell microarray exhibited a higher toxicity compared to the static culture in the 96-well-plate format. This developed microfluidic system can be easily scaled up to accommodate a larger number of microchannels for high throughput analysis of the potential toxicity of a wide range of particles in a single experiment.",

author = "Ziqiu Tong and Gayathri Rajeev and Keying Guo and Angela Ivask and Scott McCormick and Enzo Lombi and Craig Priest and Voelcker, {Nicolas H.}",

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AU - Tong, Ziqiu

AU - Rajeev, Gayathri

AU - Guo, Keying

AU - Ivask, Angela

AU - McCormick, Scott

AU - Lombi, Enzo

AU - Priest, Craig

AU - Voelcker, Nicolas H.

PY - 2018/4/3

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N2 - With advances in nanotechnology, particles with various size, shape, surface chemistry, and composition can be easily produced. Nano- and microparticles have been extensively explored in many industrial and clinical applications. Ensuring that the particles themselves are not possessing toxic effects to the biological system is of paramount importance. This paper describes a proof of concept method, in which a microfluidic system is used in conjunction with a cell microarray technique aiming to streamline the analysis of particle-cell interaction in a high throughput manner. Polymeric microparticles, with different particle surface functionalities, were first used to investigate the efficiency of particle-cell adhesion under dynamic flow. Silver nanoparticles (AgNPs, 10 nm in diameter) perfused at different concentrations (0 to 20 μg/mL) in parallel streams over the cell microarray exhibited a higher toxicity compared to the static culture in the 96-well-plate format. This developed microfluidic system can be easily scaled up to accommodate a larger number of microchannels for high throughput analysis of the potential toxicity of a wide range of particles in a single experiment.

AB - With advances in nanotechnology, particles with various size, shape, surface chemistry, and composition can be easily produced. Nano- and microparticles have been extensively explored in many industrial and clinical applications. Ensuring that the particles themselves are not possessing toxic effects to the biological system is of paramount importance. This paper describes a proof of concept method, in which a microfluidic system is used in conjunction with a cell microarray technique aiming to streamline the analysis of particle-cell interaction in a high throughput manner. Polymeric microparticles, with different particle surface functionalities, were first used to investigate the efficiency of particle-cell adhesion under dynamic flow. Silver nanoparticles (AgNPs, 10 nm in diameter) perfused at different concentrations (0 to 20 μg/mL) in parallel streams over the cell microarray exhibited a higher toxicity compared to the static culture in the 96-well-plate format. This developed microfluidic system can be easily scaled up to accommodate a larger number of microchannels for high throughput analysis of the potential toxicity of a wide range of particles in a single experiment.

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JO - Analytical Chemistry

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IS - 7

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Microfluidic Cell Microarray Platform for High Throughput Analysis of Particle-Cell Interactions

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