All Stories

  1. An experimental investigation into filament formation during drop generation by pseudo-plastic viscoelastic biofluid at T-junction generators

    Article • Physics of Fluids, December 2024, American Institute of Physics

    Professor Carolyn Liqing Ren

  2. A simple guideline for designing droplet microfluidic chips to achieve an improved single (bio)particle encapsulation rate using a stratified flow-assisted particle ordering method

    Article • Biomicrofluidics, September 2024, American Institute of Physics

    Professor Carolyn Liqing Ren

  3. A novel air microfluidics-enabled soft robotic sleeve: Toward realizing innovative lymphedema treatment

    Article • Biomicrofluidics, May 2022, American Institute of Physics

    Professor Carolyn Liqing Ren

  4. Air microfluidics-enabled soft robotic transtibial prosthesis socket liner toward dynamic management of residual limb contact pressure and volume fluctuation

    Article • Biomicrofluidics, May 2022, American Institute of Physics

    Professor Carolyn Liqing Ren

  5. Synergizing microfluidics with soft robotics: A perspective on miniaturization and future directions

    Article • Biomicrofluidics, January 2021, American Institute of Physics

    Professor Carolyn Liqing Ren

  6. Poisson–Boltzmann Equation for Microfluidic Transport Phenomena with Statistical Thermodynamics Approach

    Article • Journal of Thermophysics and Heat Transfer, November 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Professor Carolyn Liqing Ren, Gerry Schneider

  7. Combination of ac electroosmosis and dielectrophoresis for particle manipulation on electrically-induced microscale wave structures

    Article • Journal of Micromechanics and Microengineering, January 2015, Institute of Physics Publishing

    Professor Carolyn Liqing Ren

  8. Zeta Potential Measurement

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  9. Electrical Current Monitoring Methods

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  10. Electrokinetic Dispensing

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  11. Electrokinetic Focusing

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  12. Thermomechanical Valves

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren, Dr Juan Mielgo-Ayuso

  13. Microwave in Microfluidics

    Article • January 2015, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  14. Label-free high-throughput detection and content sensing of individual droplets in microfluidic systems

    Article • Lab on a Chip, January 2015, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  15. Model of droplet generation in flow focusing generators operating in the squeezing regime

    Article • Microfluidics and Nanofluidics, December 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  16. Model of separation performance of bilinear gradients in scanning format counter-flow gradient electrofocusing techniques

    Article • Electrophoresis, November 2014, Wiley

    Professor Carolyn Liqing Ren

  17. Electrical Current Monitoring Methods

    Article • January 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  18. Electrokinetic Dispensing

    Article • January 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  19. Zeta Potential Measurement

    Article • January 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  20. Thermomechanical Valves

    Article • January 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  21. Electrokinetic Focusing

    Article • January 2014, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  22. Robust thin-film fluorescence thermometry for prolonged measurements in microfluidic devices

    Article • RSC Advances, January 2013, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  23. Microwave sensing and heating of individual droplets in microfluidic devices

    Article • Lab on a Chip, January 2013, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  24. Droplet Generation in Microfluidics

    Article • January 2013, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  25. Microwave in Microfluidics

    Article • January 2013, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  26. Evaluation of polydimethylsiloxane (PDMS) surface modification approaches for microfluidic applications

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, December 2012, Elsevier

    Professor Carolyn Liqing Ren

  27. Microchip UV Absorbance Detection Applied to Isoelectric Focusing of Proteins

    Article • November 2012, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  28. Micellar affinity gradient focusing in a microfluidic chip with integrated bilinear temperature gradients

    Article • Electrophoresis, September 2012, Wiley

    Professor Carolyn Liqing Ren

  29. Droplet formation in microfluidic T-junction generators operating in the transitional regime. III. Dynamic surfactant effects

    Article • Physical Review E, August 2012, American Physical Society (APS)

    Professor Carolyn Liqing Ren

  30. A new soft lithographic route for the facile fabrication of hydrophilic sandwich microchips

    Article • Electrophoresis, August 2012, Wiley

    Professor Carolyn Liqing Ren

  31. Global network design for robust operation of microfluidic droplet generators with pressure-driven flow

    Article • Microfluidics and Nanofluidics, April 2012, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  32. Bilinear Temperature Gradient Focusing in a Hybrid PDMS/Glass Microfluidic Chip Integrated with Planar Heaters for Generating Temperature Gradients

    Article • Analytical Chemistry, March 2012, American Chemical Society (ACS)

    Professor Carolyn Liqing Ren

  33. Droplet formation in microfluidic T-junction generators operating in the transitional regime. I. Experimental observations

    Article • Physical Review E, January 2012, American Physical Society (APS)

    Professor Carolyn Liqing Ren

  34. Droplet formation in microfluidic T-junction generators operating in the transitional regime. II. Modeling

    Article • Physical Review E, January 2012, American Physical Society (APS)

    Professor Carolyn Liqing Ren

  35. Detection of microdroplet size and speed using capacitive sensors

    Article • Sensors and Actuators A Physical, November 2011, Elsevier

    Professor Carolyn Liqing Ren

  36. Exploration and evaluation of embedded shape memory alloy (SMA) microvalves for high aspect ratio microchannels

    Article • Sensors and Actuators A Physical, July 2011, Elsevier

    Professor Carolyn Liqing Ren

  37. Passive droplet trafficking at microfluidic junctions under geometric and flow asymmetries

    Article • Lab on a Chip, January 2011, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  38. Image processing and classification algorithm for yeast cell morphology in a microfluidic chip

    Article • Journal of Biomedical Optics, January 2011, SPIE

    Professor Carolyn Liqing Ren

  39. Fully integrated PDMS/SU-8/quartz microfluidic chip with a novel macroporous poly dimethylsiloxane (PDMS) membrane for isoelectric focusing of proteins using whole-channel imaging detection

    Article • Electrophoresis, December 2010, Wiley

    Professor Carolyn Liqing Ren

  40. Microfluidic phase change valve with a two-level cooling/heating system

    Article • Microfluidics and Nanofluidics, August 2010, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  41. A simple method for preparation of macroporous polydimethylsiloxane membrane for microfluidic chip-based isoelectric focusing applications

    Article • Analytica Chimica Acta, March 2010, Elsevier

    Professor Carolyn Liqing Ren

  42. Real-Time Capacitive Detection of Microdroplets

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  43. Modelling of T-Junction Droplet Generator in the Transition Regime

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  44. Characterization of Injected Sample Plugs in Microchip Capillary Electrophoresis

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  45. Justification of Non-Dimensional Schemes and Identification of Parameters on Modelling Electrokinetic Transport Phenomena in Microchannels

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  46. Improving the Electrokinetic Properties of PDMS With Surface Treatments

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  47. Effects of Hydrophobic Recovery of Plasma Treated PDMS Microchannels on Surface Tension Driven Flow

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  48. Integration of a PDMS/SU-8/Quartz Microfluidic Chip With a Novel Macroporous Poly Dimethylsiloxane (PDMS) Membrane for Isoelectric Focusing of Proteins Using Whole-Channel Imaging Detection

    Article • January 2010, ASME International

    Professor Carolyn Liqing Ren

  49. Development of microfluidic-based Lab-on-a-Chip devices with fish cell lines as biosensors for aquatic contaminants

    Article • Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology, June 2009, Elsevier

    Professor Carolyn Liqing Ren

  50. Fabrication of a hybrid PDMS/SU-8/quartz microfluidic chip for enhancing UV absorption whole-channel imaging detection sensitivity and application for isoelectric focusing of proteins

    Article • Lab on a Chip, January 2009, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  51. Microfluidic system with integrated electroosmotic pumps, concentration gradient generator and fish cell line (RTgill-W1)—towards water toxicity testing

    Article • Lab on a Chip, January 2009, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  52. Photobleaching absorbed Rhodamine B to improve temperature measurements in PDMS microchannels

    Article • Lab on a Chip, January 2009, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  53. Electro-osmotic flow control for living cell analysis in microfluidic PDMS chips

    Article • Mechanics Research Communications, January 2009, Elsevier

    Professor Carolyn Liqing Ren

  54. Integration of Dialysis Membranes into a Poly(dimethylsiloxane) Microfluidic Chip for Isoelectric Focusing of Proteins Using Whole-Channel Imaging Detection

    Article • Analytical Chemistry, October 2008, American Chemical Society (ACS)

    Professor Carolyn Liqing Ren

  55. Design and analysis of a polymeric photo-thermal microactuator

    Article • Sensors and Actuators A Physical, September 2008, Elsevier

    Professor Carolyn Liqing Ren

  56. A monolithic polymeric microgripper with photo-thermal actuation for biomanipulation

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Carolyn Liqing Ren

  57. Experimental determination of sample stream focusing with fluorescent dye

    Article • Electrophoresis, July 2008, Wiley

    Professor Carolyn Liqing Ren

  58. Numerical and experimental evaluation of microfluidic sorting devices

    Article • Biotechnology Progress, July 2008, Wiley

    Professor Carolyn Liqing Ren

  59. A Y-channel design for improving zeta potential and surface conductivity measurements using the current monitoring method

    Article • Microfluidics and Nanofluidics, June 2008, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  60. Analytical and Numerical Study of Joule Heating Effects on Electrokinetically Pumped Continuous Flow PCR Chips

    Article • Langmuir, March 2008, American Chemical Society (ACS)

    Professor Carolyn Liqing Ren

  61. Temperature measurement in microfluidic chips using photobleaching of a fluorescent thin film

    Article • Applied Physics Letters, January 2008, American Institute of Physics

    Professor Carolyn Liqing Ren

  62. Side-by-side comparison of disposable microchips with commercial capillary cartridges for application in capillary isoelectric focusing with whole column imaging detection

    Article • Lab on a Chip, January 2008, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  63. Method for Microfluidic Whole-Chip Temperature Measurement Using Thin-Film Poly(dimethylsiloxane)/Rhodamine B

    Article • Analytical Chemistry, January 2008, American Chemical Society (ACS)

    Professor Carolyn Liqing Ren

  64. Whole Chip Temperature Measurements Using Thin-Film PDMS/Rhodamine B for Microfluidic Chip Design

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  65. Multi-Step Dynamic Control for Enhanced Electrokinetic Transport Characteristics in Microchip Capillary Electrophoresis

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  66. Design and Characterization of a Polymeric Photo-Thermal Microgripper for Micromanipulation

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  67. Improving Rhodamine B Fluorescence Thermometry in PDMS Microchannels by Photobleaching Absorbed Dye

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  68. Preparation of Poly(Dimethylsiloxane) Chip-Based Cartridge for Isoelectric Focusing and Whole-Channel Imaging Detection

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  69. Temperature Measurement in Microfluidic Systems Using Photobleaching of a Fluorescent Slab

    Article • January 2008, ASME International

    Professor Carolyn Liqing Ren

  70. Numerical and Microfluidic-Based Cell-Sorting Devices

    Article • January 2007, ASME International

    Professor Carolyn Liqing Ren

  71. Exploration of the Feasibility of Using Electroosmotic Pumps in Cell Culture

    Article • January 2007, ASME International

    Professor Carolyn Liqing Ren

  72. Theoretical Investigation of On-Chip Multi-Species Transport in Micro-Channels for Analysis Applications

    Article • January 2007, ASME International

    Professor Carolyn Liqing Ren

  73. Whole Chip Temperature Measurements Using Thin-Film PDMS/Rhodamine B for Microfluidic Chip Design

    Article • January 2007, ASME International

    Professor Carolyn Liqing Ren

  74. A Novel Y-Channel Design for Measuring the Zeta Potential Using the Current Monitoring Technique

    Article • January 2007, ASME International

    Professor Carolyn Liqing Ren

  75. Evaluation of Intrinsic Ionization and Complexation Constants of TiO2 and Mg-Fe Hydrotalcite-like Compounds

    Article • Chinese Journal of Chemistry, October 2006, Wiley

    Professor Carolyn Liqing Ren

  76. Numeric Simulation of Heat Transfer and Electrokinetic Flow in an Electroosmosis-Based Continuous Flow PCR Chip

    Article • Analytical Chemistry, September 2006, American Chemical Society (ACS)

    Professor Carolyn Liqing Ren

  77. Study of Joule heating effects on temperature gradient in diverging microchannels for isoelectric focusing applications

    Article • Electrophoresis, May 2006, Wiley

    Professor Carolyn Liqing Ren

  78. A 3D electrokinetic flow structure of solution displacement in microchannels for on-chip sample preparation applications

    Article • Journal of Micromechanics and Microengineering, February 2006, Institute of Physics Publishing

    Professor Carolyn Liqing Ren

  79. Electrokinetic sample transport in a microchannel with spatial electrical conductivity gradients

    Article • Journal of Colloid and Interface Science, February 2006, Elsevier

    Professor Carolyn Liqing Ren

  80. Integrated optical measurement of microfluid velocity

    Article • Journal of Micromechanics and Microengineering, August 2005, Institute of Physics Publishing

    Professor Carolyn Liqing Ren

  81. Application of continuum mechanics to fluid flow in nanochannels

    Article • Microfluidics and Nanofluidics, June 2005, Springer Science + Business Media

    Professor Carolyn Liqing Ren

  82. Improved understanding of the effect of electrical double layer on pressure-driven flow in microchannels

    Article • Analytica Chimica Acta, February 2005, Elsevier

    Professor Carolyn Liqing Ren

  83. Effects of surface heterogeneity on flow circulation in electroosmotic flow in microchannels

    Article • Analytica Chimica Acta, February 2005, Elsevier

    Professor Carolyn Liqing Ren

  84. Theoretical Study of Electroosmotic Flow With Replacement Solutions

    Article • January 2005, ASME International

    Professor Carolyn Liqing Ren

  85. Evaluation of Continuum Mechanics for Electroosmotic Flow in Nanosize Structures

    Article • January 2005, ASME International

    Professor Carolyn Liqing Ren

  86. Control of Laminar Flow and Mass Transport in Crossing Linked Microchannels for Micro Fabrication

    Article • January 2005, ASME International

    Professor Carolyn Liqing Ren

  87. A NEW MODEL FOR THE ELECTRICAL DOUBLE LAYER INTERACTION BETWEEN TWO SURFACES IN AQUEOUS SOLUTIONS

    Article • The Journal of Adhesion, September 2004, Taylor & Francis

    Professor Carolyn Liqing Ren

  88. Effects of spatial gradients of electrical conductivity on chip-based sample injection processes

    Article • Analytica Chimica Acta, August 2004, Elsevier

    Professor Carolyn Liqing Ren

  89. Electroviscous effects on pressure-driven flow of dilute electrolyte solutions in small microchannels

    Article • Journal of Colloid and Interface Science, June 2004, Elsevier

    Professor Carolyn Liqing Ren

  90. Sample Manipulation in Microfluidic Devices With Electrical Conductivity Gradients

    Article • January 2004, ASME International

    Professor Carolyn Liqing Ren

  91. A dynamic loading method for controlling on-chip microfluidic sample injection

    Article • Journal of Colloid and Interface Science, October 2003, Elsevier

    Professor Carolyn Liqing Ren

  92. Numerical simulation of microfluidic injection processes in crossing microchannels

    Article • Journal of Micromechanics and Microengineering, June 2003, Institute of Physics Publishing

    Professor Carolyn Liqing Ren

  93. Zeta-potential measurement using the Smoluchowski equation and the slope of the current–time relationship in electroosmotic flow

    Article • Journal of Colloid and Interface Science, May 2003, Elsevier

    Professor Carolyn Liqing Ren

  94. Visualization and numerical modelling of microfluidic on-chip injection processes

    Article • Journal of Colloid and Interface Science, April 2003, Elsevier

    Professor Carolyn Liqing Ren

  95. Effects of liquid conductivity differences on multi-component sample injection, pumping and stacking in microfluidic chips

    Article • Lab on a Chip, January 2003, Royal Society of Chemistry

    Professor Carolyn Liqing Ren

  96. Numerical Simulation of On-Chip Injection Process With Spatial Gradients of Electrical Conductivity

    Article • January 2003, ASME International

    Professor Carolyn Liqing Ren

  97. Numerical Studies of Injection Process Control With Spatial Gradients of Electrical Conductivity

    Article • January 2003, ASME International

    Professor Carolyn Liqing Ren

  98. Experimental and theoretical study of the displacement process between two electrolyte solutions in a microchannel

    Article • Journal of Colloid and Interface Science, January 2003, Elsevier

    Professor Carolyn Liqing Ren

  99. Theoretical Studies of Microfluidic Dispensing Processes

    Article • Journal of Colloid and Interface Science, October 2002, Elsevier

    Professor Carolyn Liqing Ren

  100. Direct and Indirect Electroosmotic Flow Velocity Measurements in Microchannels

    Article • Journal of Colloid and Interface Science, October 2002, Elsevier

    Professor Carolyn Liqing Ren

  101. A New Method of Evaluating the Average Electro-osmotic Velocity in Microchannels

    Article • Journal of Colloid and Interface Science, June 2002, Elsevier

    Professor Carolyn Liqing Ren

  102. Electroosmotic Flow in Heterogeneous Microchannels

    Article • Journal of Colloid and Interface Science, November 2001, Elsevier

    Professor Carolyn Liqing Ren

  103. Electroosmotic Flow in a Microcapillary with One Solution Displacing Another Solution

    Article • Journal of Colloid and Interface Science, October 2001, Elsevier

    Professor Carolyn Liqing Ren

  104. Interfacial electrokinetic effects on liquid flow in microchannels

    Article • International Journal of Heat and Mass Transfer, August 2001, Elsevier

    Professor Carolyn Liqing Ren

  105. Electro-Viscous Effects on Liquid Flow in Microchannels

    Article • Journal of Colloid and Interface Science, January 2001, Elsevier

    Professor Carolyn Liqing Ren

  106. Zeta Potential Measurement

    Article • Springer Science + Business Media

    Professor Carolyn Liqing Ren

  107. Thermomechanical Valves

    Article • Springer Science + Business Media

    Professor Carolyn Liqing Ren

  108. Electrical Current Monitoring Methods

    Article • Springer Science + Business Media

    Professor Carolyn Liqing Ren

  109. Electrokinetic Dispensing

    Article • Springer Science + Business Media

    Professor Carolyn Liqing Ren

  110. Electrokinetic Focusing

    Article • Springer Science + Business Media

    Professor Carolyn Liqing Ren