Dr Andrew E. Ekpenyong

Associate Professor of Physics. BPhil (Rome), BD (Rome), MS (Physics, Creighton, USA), PhD (Physics, Cambridge, UK)



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Dr Andrew Edet Ekpenyong

Associate Professor of Physics


Curriculum vitae



Office Phone: +14022802208


Physics

Creighton University

2500 California Plaza,
Omaha,
NE 68178,
USA




Dr Andrew E. Ekpenyong

Associate Professor of Physics. BPhil (Rome), BD (Rome), MS (Physics, Creighton, USA), PhD (Physics, Cambridge, UK)



Office Phone: +14022802208


Physics

Creighton University

2500 California Plaza,
Omaha,
NE 68178,
USA



Quantitative analysis of deformability-based cell separation using deterministic lateral displacement and optical stretching


Journal article


D. Holmes, G. Whyte, Andrew E. Ekpenyong, J. Guck, T. Duke
2012

Semantic Scholar
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Cite

APA   Click to copy
Holmes, D., Whyte, G., Ekpenyong, A. E., Guck, J., & Duke, T. (2012). Quantitative analysis of deformability-based cell separation using deterministic lateral displacement and optical stretching.


Chicago/Turabian   Click to copy
Holmes, D., G. Whyte, Andrew E. Ekpenyong, J. Guck, and T. Duke. “Quantitative Analysis of Deformability-Based Cell Separation Using Deterministic Lateral Displacement and Optical Stretching” (2012).


MLA   Click to copy
Holmes, D., et al. Quantitative Analysis of Deformability-Based Cell Separation Using Deterministic Lateral Displacement and Optical Stretching. 2012.


BibTeX   Click to copy

@article{d2012a,
  title = {Quantitative analysis of deformability-based cell separation using deterministic lateral displacement and optical stretching},
  year = {2012},
  author = {Holmes, D. and Whyte, G. and Ekpenyong, Andrew E. and Guck, J. and Duke, T.}
}

Abstract

In this work we present data showing deformability-based cell separation in a deterministic lateral displacement (DLD) device. We use cells of defined stiffness (glutaraldehyde cross-linked erythrocytes) to test the performance of the device across a range of cell stiffness and applied shear rates. Optical stretching is used as an independent method of quantifying the stiffness of the cells, thus allowing better understanding of the DLD system for deformability based cell separation. Displacement is shown to correlate with cell stiffness as measured across a range of flow rates. Data showing how the isolation of leukocytes from whole blood varies with shear rate is also presented.


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