Capillary instability, squeezing, and shearing in head-on microfluidic devices

2009 ◽  
Vol 106 (12) ◽  
pp. 124305 ◽  
Author(s):  
Lingling Shui ◽  
Albert van den Berg ◽  
Jan C. T. Eijkel
Keyword(s):  
Microfluidic Devices ◽  
Capillary Instability

Review of Microfluidic Devices for On-Chip Chemical Sensing

2016 ◽  
Vol 136 (6) ◽  
pp. 244-249
Author(s):  
Takahiro Watanabe ◽  
Fumihiro Sassa ◽  
Yoshitaka Yoshizumi ◽  
Hiroaki Suzuki
Keyword(s):  
Chemical Sensing ◽  
Microfluidic Devices ◽  
On Chip

Production of O/W Emulsions Containing Astaxanthin by Microfluidic Devices

2020 ◽  
Vol 15 (1) ◽  
pp. 63-68
Author(s):  
Yu. V. Ulianova ◽  
A. M. Popov ◽  
N. P. Babichenko ◽  
K. V. Gorin ◽  
Ya. E. Sergeeva
Keyword(s):  
Microfluidic Devices

scholarly journals A Numerical Study of Sub-Millisecond Integrated Mix-and-Inject Microfluidic Devices for Sample Delivery at Synchrotron and XFELs

2021 ◽  
Vol 11 (8) ◽  
pp. 3404
Author(s):  
Majid Hejazian ◽  
Eugeniu Balaur ◽  
Brian Abbey
Keyword(s):  
Molecular Dynamics ◽  
Flow Rate ◽  
Numerical Study ◽  
Three Dimensional ◽  
Microfluidic Devices ◽  
Liquid Jets ◽  
Mixing Efficiency ◽  
X Ray Diffraction ◽  
Cross Sectional ◽  
Time Required

Microfluidic devices which integrate both rapid mixing and liquid jetting for sample delivery are an emerging solution for studying molecular dynamics via X-ray diffraction. Here we use finite element modelling to investigate the efficiency and time-resolution achievable using microfluidic mixers within the parameter range required for producing stable liquid jets. Three-dimensional simulations, validated by experimental data, are used to determine the velocity and concentration distribution within these devices. The results show that by adopting a serpentine geometry, it is possible to induce chaotic mixing, which effectively reduces the time required to achieve a homogeneous mixture for sample delivery. Further, we investigate the effect of flow rate and the mixer microchannel size on the mixing efficiency and minimum time required for complete mixing of the two solutions whilst maintaining a stable jet. In general, we find that the smaller the cross-sectional area of the mixer microchannel, the shorter the time needed to achieve homogeneous mixing for a given flow rate. The results of these simulations will form the basis for optimised designs enabling the study of molecular dynamics occurring on millisecond timescales using integrated mix-and-inject microfluidic devices.

scholarly journals Production of hydrogel microparticles in microfluidic devices: a review

2021 ◽  
Vol 25 (2) ◽  
Author(s):  
A. Moreira ◽  
J. Carneiro ◽  
J. B. L. M. Campos ◽  
J. M. Miranda
Keyword(s):  
Microfluidic Devices ◽  
Hydrogel Microparticles
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