Characterization and evaluation of ionic liquids for use in rapidly-actuated hydraulic microvalves

Speller, Nicholas C.; Morbioli, Giorgio Gianini; Cato, Michael E.; McNeice, Julianna L.; Stockton, Amanda M.

doi:10.1016/j.snb.2019.127124

Cited by 8 publications

(5 citation statements)

References 31 publications

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“…For example, the working liquid for self-containing hydraulic microactuators must be carefully selected to minimise viscosity variations, evaporation, and hygroscopic nature that would affect long-term performance. Speller et al 67 developed a self-contained hydraulically-actuated microfluidic (SCHAM) device that uses 1-methyl-3-butylimidizaolium-based ionic liquids as the working liquid. The team demonstrated that the ionic liquid-based SCHAM performs better than the water-based counterparts because of less change in fluidic mass due to evaporation.…”

Section: Actuation Principlesmentioning

confidence: 99%

“…66 Hydraulic microactuators use flexible structures that deform under pressurised liquid to facilitate actuation. These flexible elements include membranes, 67 flexible chamber structures like bellows, 68 soft tubular structures, 36 Fig. 2B, or artificial tentacles.…”

Section: Fluid-driven Actuationmentioning

confidence: 99%

“…69 These flexible elements have been used in transportation units, 55 micropumps, 36 and microvalves. 67 In addition, some bio-inspired flexible actuators [68][69][70] were also designed based on this actuation principle. For a given This journal is © The Royal Society of Chemistry 2024 design, the applied liquid pressure is the main parameter for the output displacement.…”

Section: Fluid-driven Actuationmentioning

confidence: 99%

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Actuation for flexible and stretchable microdevices

Roshan,

Mudugamuwa,

Cha

et al. 2024

Lab Chip

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Section: Actuation Principlesmentioning

confidence: 99%

Section: Fluid-driven Actuationmentioning

confidence: 99%

Section: Fluid-driven Actuationmentioning

confidence: 99%

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Actuation for flexible and stretchable microdevices

Roshan,

Mudugamuwa,

Cha

et al. 2024

Lab Chip

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“…18 In the field of micro/nanoelectromechanical systems (MEMS/NEMS), the nanotribological properties and durability of ionic liquids are comparable to those of perfluoropolyether. Ionic liquids are expected to be applied to microfluidic devices 23 in the future (also known as lab-on-a-chip or micrototal analysis system).…”

Section: Application Advantagesmentioning

confidence: 99%

Research Progress of Ionic Liquids as Lubricants

Song

2021

ACS Omega

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Emerging ionic liquid lubricants were discovered only 20 years ago. The superior performance of ionic liquids over traditional lubricating fluids have been reviewed, including low-temperature fluidity, viscosity–temperature properties, thermal oxidation stability, ultralow volatility, incompressibility, electrical conductivity, friction coefficient under elastohydrodynamic lubrication conditions, friction reduction and antiwear performance under boundary lubrication conditions, environmental friendliness, etc. The applications where ionic liquids are superior to traditional lubricant fluids are presented, including hydrogen compressor lubricating fluids and liquid pistons, oxygen compressor lubricating fluids, hydraulic fluids, space lubricants, vehicle engine oils, industrial gear oils, metalworking fluids, industrial coolant, micro/nano electromechanical system applications, electrical conductive lubricants, etc. The ability of ionic liquids to replace ZDDP, a key additive of lubricating oil, is introduced. The future development prospects of ionic liquid lubricants are analyzed.

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“…In point-of-care testing (POCT), microfluidic technology has played a significant role [1,2]; it offers numerous advantages including cost-effective, simple to run, small-footprint and large-scale integration [3,4]. Different forms of microfluidic instruments have been extensively utilized in the past two decades in chemical and biological research, medical diagnostics, bioengineering, and the environmental mixing feature [5,6], unusual particle and cell sorting or trapping [7,8]. * Authors to whom any correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

A comprehensive review on non-active micro-pumps for microfluidic platforms

Wang

Yuan

Yang

et al. 2021

J. Micromech. Microeng.

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In conventional microfluidic systems, the flow drives, and controls rely principally on external pumps, which have severely prevented the applications for point-of-care testing and disposable biomedicine because of the factors such as high price, large volume, and the electricity-fueled. Several modern portable pumps have therefore been built in recent years to resolve this problem. We give a comprehensive description of non-active microfluidic systems pumps in this study. These pumps have been split into two groups in terms of their operating mechanisms: human-powered and passive pumps. The ‘human-powered’ pumps are directly powered by the human hand or finger; the passive pumps are powered by kinds of basic machinery including capillary control, siphoning, chemical reaction, vacuum pressure, osmotic pressure, and gravity. In addition, many explanations of the configurations, capability and limitations are given. Finally, it discusses emerging developments and potential strategies for extending the usage of the pumps on microfluidic platforms.

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Characterization and evaluation of ionic liquids for use in rapidly-actuated hydraulic microvalves

Cited by 8 publications

References 31 publications

Actuation for flexible and stretchable microdevices

Actuation for flexible and stretchable microdevices

Research Progress of Ionic Liquids as Lubricants

A comprehensive review on non-active micro-pumps for microfluidic platforms

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