Light-actuated digital microfluidics for large-scale, parallel manipulation of arbitrarily sized droplets

Pei, Shao Ning; Valley, Justin K.; Neale, Steven L.; Jamshidi, Arash; Hsu, Hsan-Yin; Wu, Ming C.

doi:10.1109/memsys.2010.5442519

Cited by 27 publications

(22 citation statements)

References 10 publications

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“…Chiou et al proposed a continuous optoelectrowetting (COEW) that allows continuous transport of picoliter droplets sandwiched between two featureless photoconductive electrodes [61], but it was faced with issues of device interfacing. Later Pei et al reported the improved COEW device and showed more reliable fabrication that consequently enabled large array of manipulation of droplets [89].…”

Section: Optoelecrowetting (Oew)mentioning

confidence: 99%

Light-Driven Droplet Manipulation Technologies for Lab-on-a-Chip Applications

Park

Chiou

2011

Advances in OptoElectronics

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Droplet-based (digital) microfluidics has been demonstrated in many lab-on-a-chip applications due to its free crosscontamination and no dispersion nature. Droplet manipulation mechanisms are versatile, and each has unique advantages and limitations. Recently, the idea of manipulating droplets with light beams either through optical forces or light-induced physical mechanisms has attracted some interests, since light can achieve 3D addressing, carry high energy density for high speed actuation, and be patterned and dynamically reconfigured to generate a large number of light beams for massively parallel manipulation. This paper reviews recent developments of various optical technologies for droplet manipulation and their applications in lab-on-achip.

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Section: Optoelecrowetting (Oew)mentioning

confidence: 99%

Light-Driven Droplet Manipulation Technologies for Lab-on-a-Chip Applications

Park

Chiou

2011

Advances in OptoElectronics

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“…In DMF small discrete droplets are transported across an array of individually addressable electrodes, by controlling the displacement of the droplet through localised control of surface polarisation and wettability. Additionally, many research groups have explored the use of different alternative stimuli such as light [82][83][84][85][86][87], temperature [88][89][90][91][92][93] and magnetic stimuli [94][95][96][97][98][99] for wettability control.…”

Section: Stimuli-controlled Manipulation Of Synthetic Discrete Micrommentioning

confidence: 99%

Stimuli-Controlled Fluid Control and Microvehicle Movement in Microfluidic Channels

Dunne¹,

Francis²,

Delaney³

et al. 2017

Reference Module in Materials Science and Materials Engineering

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Integration of stimuli-responsive materials into microfluidic systems provides a means to locally manipulate flow at the microscale, in a non-invasive manner, while also reducing system complexity. In recent years, several modes of stimulation have been applied, including electrical, magnetic, light and temperature, among others. To achieve remote control of flow in microfluidics using external stimulation, two main approaches have emerged in the recent years: 1. Control of flow through stimuli-induced actuation of microfluidic components (valves, pumps, mixers, flow sorters), most often fabricated from soft polymeric materials; 2. Stimuli-controlled manipulation of discrete micrometer-sized "vehicles" (droplets, beads, Janus particles, etc.) through localized induced changes in wettability or surface tension.The focus of this chapter will be to identify and compare the similarities and underlying mechanisms employed in the current state of the art research in stimuli-controlled fluid control and micro-vehicle movement fields. It will also endeavor to propose possible directions for the evolution of these areas of research.

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“…A novel study of frequency and illumination on the impedance has been done [27]. Open devices have also been used for implementing opto-fluidic devices [28]. The choice of dielectric material also follows the above protocols.…”

Section: Optofluidicsmentioning

confidence: 99%

Digital Microfluidics: Techniques, Their Applications and Advantages

Agarwal¹

2013

J Bioeng Biomed Sci

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Digital Microfluidics is a recent advent of the miniaturization boom that can be witnessed over the couple of decades. The conventional techniques developed for continuous microfluidics cannot necessarily be used directly for application to digital microfluidics. This paper presents a brief overview of the techniques used for performing different operations in Digital Microfluidics namely Electro-wetting, Dielectrophoresis (DEP), Opto-electro-wetting (OEW), Thermo-capillary effect, Surface Acoustic Waves (SAW), etc.

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Light-actuated digital microfluidics for large-scale, parallel manipulation of arbitrarily sized droplets

Cited by 27 publications

References 10 publications

Light-Driven Droplet Manipulation Technologies for Lab-on-a-Chip Applications

Light-Driven Droplet Manipulation Technologies for Lab-on-a-Chip Applications

Stimuli-Controlled Fluid Control and Microvehicle Movement in Microfluidic Channels

Digital Microfluidics: Techniques, Their Applications and Advantages

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