Direct embedding and versatile placement of electrodes in 3D printed microfluidic-devices

Castiaux, Andre D; Currens, Emily R; Martin, R. Scott

doi:10.1039/d0an00240b

Cited by 18 publications

(13 citation statements)

References 36 publications

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“…This type of device are called microfluidic threadbased electroanalytical devices (μTED). [145] For the majority of 3D-printed devices which use channels for fluid flow, electrodes are inserted (Figure 7b,c), [146,147,153,158,159] threaded (Figure 7d) [160] or sandwiched (Figure 7e,f) [149] into the devices. Among them, the inserted electrodes from the sides are the most common, including three bar-shaped electrodes (Figure 7b) inserted and chips with screen-printed electrodes (Figure 7c).…”

Section: D Printingmentioning

confidence: 99%

“…Figure 7d shows that electrode can stay in the middle of the channel, sandwiched by two pieces of 3D printed materials. [149] Most recently, 3D-printed electrodes are reported to facilitate the easy and customized positioning of electrodes and one-step fabrication of devices (Figure 7g). Since 2019, a few approaches have been reported, as exemplified by carbon-loaded PLA, [150] Graphene-PLA composite, [39] and carbon nanotube doped PLA filament.…”

Section: D Printingmentioning

confidence: 99%

“…[151] Being a newly developed strategy, the most commonly reported analytes of these devices include heavy metal ions like Pb(II) and Cd(II), [147,150] glucose, [158] and compounds like catechol. [39,149] In most of the microfluidic detectors, chemical conditions are mild. Materials for 3D printing which can resist harsh chemical conditions are expected to be developed in the future.…”

Section: D Printingmentioning

confidence: 99%

Section: Machiningmentioning

confidence: 99%

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Design of Electrochemical Microfluidic Detectors: A Review

Díaz-Real

Holm

2021

Adv Materials Technologies

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Miniaturized electrochemical systems integrated into microfluidic flow devices have been an active research field the last couple of decades. This has resulted in many advanced microfluidic platforms for the conversion and detection of chemicals. The development is partly driven by the increased access to and decreased cost of fabrication. In the design of microfluidic electrochemical cells, several aspects need to be handled, such as the accurate control of potential, electrolyte flow, pH, pressure, and temperature. This can be further complicated by integrating photon traffic for spectro(electro)chemical detection. Here, a comprehensive review of recent advances and approaches to the design of microfluidic flow devices for detection is presented, first dealing with the design of electrodes and flow pathways, then highlighting some common challenges and how these have been dealt with in the literature. This work aims to be a guide for researchers in the design of microfluidic electrochemical systems for detection of chemical species.

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Section: D Printingmentioning

confidence: 99%

Section: D Printingmentioning

confidence: 99%

Section: D Printingmentioning

confidence: 99%

Section: Machiningmentioning

confidence: 99%

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Design of Electrochemical Microfluidic Detectors: A Review

Díaz-Real

Holm

2021

Adv Materials Technologies

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“…thermoplastic polymers [31], thermoset polymers [32], hybrid devices [33], photopolymers [34] and paper [35].…”

Section: Electrode Materials In Microsystemsmentioning

confidence: 99%

Microchip electrophoresis and electrochemical detection: A review on a growing synergistic implementation

Costa

Griveau

d’Orlyé

et al. 2021

Electrochimica Acta

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Hybrid Printing of Fully Integrated Microfluidic Devices for Biosensing

Du,

Reitemeier,

Jiang

et al. 2023

Small

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The advent of 3D printing has facilitated the rapid fabrication of microfluidic devices that are accessible and cost‐effective. However, it remains a challenge to fabricate sophisticated microfluidic devices with integrated structural and functional components due to limited material options of existing printing methods and their stringent requirement on feedstock material properties. Here, a multi‐materials multi‐scale hybrid printing method that enables seamless integration of a broad range of structural and functional materials into complex devices is reported. A fully printed and assembly‐free microfluidic biosensor with embedded fluidic channels and functionalized electrodes at sub‐100 µm spatial resolution for the amperometric sensing of lactate in sweat is demonstrated. The sensors present a sensitive response with a limit of detection of 442 nm and a linear dynamic range of 1–10 mm, which are performance characteristics relevant to physiological levels of lactate in sweat. The versatile hybrid printing method offers a new pathway toward facile fabrication of next‐generation integrated devices for broad applications in point‐of‐care health monitoring and sensing.

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Direct embedding and versatile placement of electrodes in 3D printed microfluidic-devices

Abstract: In this paper, we describe how PolyJet 3D printing technology can be used to fully integrate electrode materials into microfluidic devices during the print process.

Cited by 18 publications

References 36 publications

Design of Electrochemical Microfluidic Detectors: A Review

Design of Electrochemical Microfluidic Detectors: A Review

Microchip electrophoresis and electrochemical detection: A review on a growing synergistic implementation

Hybrid Printing of Fully Integrated Microfluidic Devices for Biosensing

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