Electropatterning—Contemporary developments for selective particle arrangements employing electrokinetics

The selective positioning and arrangement of distinct types of multiscale particles can be used in numerous applications in microfluidics, including integrated circuits, sensors and biochips. Electrokinetic (EK) techniques offer an extensive range of options for label‐free manipulation and patternin...

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Bibliographic Details
Published in:Electrophoresis 2023-06, Vol.44 (11-12), p.884-909
Main Authors: Lomeli‐Martin, Adrian, Ahamed, Nuzhet, Abhyankar, Vinay V., Lapizco‐Encinas, Blanca H.
Format: Article
Language:English
Subjects:
Colloids
Dielectrophoresis
Electrical properties
Electrokinetics
electropatterning
Electrophoresis
Electrophoresis - methods
Gels
Integrated circuits
Microfluidic devices
Microfluidics
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Summary:The selective positioning and arrangement of distinct types of multiscale particles can be used in numerous applications in microfluidics, including integrated circuits, sensors and biochips. Electrokinetic (EK) techniques offer an extensive range of options for label‐free manipulation and patterning of colloidal particles by exploiting the intrinsic electrical properties of the target of interest. EK‐based techniques have been widely implemented in many recent studies, and various methodologies and microfluidic device designs have been developed to achieve patterning two‐ and three‐dimensional (3D) patterned structures. This review provides an overview of the progress in electropatterning research during the last 5 years in the microfluidics arena. This article discusses the advances in the electropatterning of colloids, droplets, synthetic particles, cells, and gels. Each subsection analyzes the manipulation of the particles of interest via EK techniques such as electrophoresis and dielectrophoresis. The conclusions summarize recent advances and provide an outlook on the future of electropatterning in various fields of application, especially those with 3D arrangements as their end goal.
ISSN:0173-0835
1522-2683
DOI:10.1002/elps.202200286