Thermocapillarity in microfluidics—A review

A Karbalaei, R Kumar, HJ Cho - Micromachines, 2016 - mdpi.com
This paper reviews the past and recent studies on thermocapillarity in relation to
microfluidics. The role of thermocapillarity as the change of surface tension due to …

Active microparticle manipulation: Recent advances

K Cheng, J Guo, Y Fu, J Guo - Sensors and Actuators A: Physical, 2021 - Elsevier
Microparticle manipulation is mainly needed in several applications like bioanalysis,
disease diagnosis, self-cleaning surfaces, as well as drug delivery. The movement of …

Capacitance-based droplet position estimator for digital microfluidic devices

MA Murran, H Najjaran - Lab on a Chip, 2012 - pubs.rsc.org
Digital microfluidic (DMF) devices manipulate minuscule droplets through basic fluidic
operations including droplet transport, mixing and splitting commonly known as the building …

[HTML][HTML] Microfluidic devices developed for and inspired by thermotaxis and chemotaxis

A Karbalaei, HJ Cho - Micromachines, 2018 - mdpi.com
Taxis has been reported in many cells and microorganisms, due to their tendency to migrate
toward favorable physical situations and avoid damage and death. Thermotaxis and …

Fabrication of a wettability-gradient surface on copper by screen-printing techniques

DJ Huang, TS Leu - Journal of Micromechanics and …, 2015 - iopscience.iop.org
In this study, a screen-printing technique is utilized to fabricate a wettability-gradient surface
on a copper substrate. The pattern definitions on the copper surface were freely fabricated to …

Passive mixing enhancement of microliter droplets in a thermocapillary environment

A Davanlou, R Kumar - Microfluidics and Nanofluidics, 2015 - Springer
Fast and efficient mixing of reagents and bioassays is of great importance in micro total
analysis systems and in particular, open-surface microfluidics. This is the first study of …

Modeling thermocapillary migration of interfacial droplets by a hybrid lattice Boltzmann finite difference scheme

L Qiao, Z Zeng, H Xie, L Zhang, L Wang, Y Lu - Applied Thermal …, 2018 - Elsevier
To understand the motion behavior of interfacial droplets subjected to a temperature
gradient, we built a simulation strategy integrated the phase field theory and the continuum …

Direct current pulse train actuation to enhance droplet control in digital microfluidics

MA Murran, H Najjaran - Applied Physics Letters, 2012 - pubs.aip.org
The effective operation of a digital microfluidic (DMF) device depends on its ability to actuate
droplets. Pulse width modulation of actuating signals (DC pulse train actuation) is proposed …

Rapid prototyping of a programmable controller for digital microfluidic systems

MA Murran - 2012 - open.library.ubc.ca
Digital microfluidic (DMF) devices can be used to perform complete chemical or biochemical
analysis on miniscule droplets; thus they have the potential to replace large and expensive …

Capacitance-based droplet position sensing optimization through digital microfluidic parameters

MA Murran, AS Milani… - International …, 2011 - asmedigitalcollection.asme.org
Design of a closed-loop droplet position control is an essential step towards the
development of fully automated digital microfluidic devices. However, the performance of …