Publications

  1. 2026

    1. 141) M ShafieiDarabi, A YazdaniCherati, NV Giri, S Bhatti, S Li, P Van Cappellen, Z Abbasi, and CL Ren, “Machine Learning–Assisted Microwave-Microfluidic Platform for Microplastic Detection”, Environ Sci Technol (2026), accepted (featured as cover)

    2. 140) RZ Gao, CX Huang, D M Werbowski, J M Kormylo, C R Dickerson, and CL Ren, “Microfluidic Valve-Integrated Garment for Smooth Sequential Gradient Mechanotherapy", Adv Intell Syst (2026) e202501462 (16pp).

    3. 139) R Gao, E Rossi, M O’Connell, PS Lee, D Dittmer, A Schirm, CL Ren and J Tung, “Soft Dynamic Fluidic Cushion for Pressure Sore Management in Transtibial Prosthetics - A Proof-of-Concept Study”, IEEE Trans Biomed Eng, 73 (2026) 1221-1235.
  2. 2025

    1. 138) M ShafieiDarabi, Q Mao, W Cui, M Courtney, R Miranda, L LeSergent, R Tjandra, Z Abbasi, LP Lee, and CL Ren, “Microwave Biosensor for Amylase Detection in Drainage Fluid to Monitor Anastomotic Leakage”, Biosens Bioeng, 290 (2025) 117990 (9pp).

    2. 137) N Ezzo, TH Nguyen, CL Ren, E KF Yim, “A Versatile Droplet Microfluidic Platform Capable of Confining Pre-Formed Cancer Spheroids in Hydrogel Microenvironments for Downstream Growth and Analysis”, ACS Biomater Sci Eng, 11 (2025) 6248-6261

    3. 136) A Baranovsky, A Wang, A Saleem, J Z Wen, CL Ren, “Investigation of Exothermic Behaviors of Energetic Particles in Microfluidics Channels”, Adv Mater Technol, 2025, e00635 (13pp)

    4. 135) M ShafieiDarabi, Z Abbasi, CL Ren, “Size and concentration characterization of microplastic particles in aqueous samples using sensitivity-enhanced coupled planar microwave resonators”, HazMat, 495 (2025) 139000 (11pp).

    5. 134) W Kapadia, N Giri, N Qin, P Zhao, C Phan, L Haines, L Jones, CL Ren, “A Novel Microfluidic Viscometer for Measuring Viscosity of Ultrasmall Volumes of Newtonian and Non-Newtonian Liquids”, J Micromech Microeng, 35 (2025) 055005 (11pp)

    6. 133) W Cui, J Wang, C Ding, P V Cappellen, E Ho, CL Ren, “A Functionalized Microwave Biosensor for Rapid, Reagent-Free Detection of E. coli in Water Samples”, Biosens Bioelectron, 278 (2025) 117334 (8pp)

    7. 132) M Courtney, OM Carreno-Molina, CL Ren, “Design Guidelines of Free-Flow Counterflow 1 Gradient Focusing, Device for Protein Fractionation,” Electrophoresis, 46 (2025), 1032-1040

    8. 131) P Zhao, M ShafieiDarabi, X Wang, S Slowinski, S Li, Z Abbasi, F Nezhad, P Van Cappellen, CL Ren, “Detection of microplastics by microfluidic microwave sensing: an exploratory study”, Sensors Actu A, 383 (2025) 116154 (10pp
  3. 2024

    1. 130) N Giri, W Cui, CL Ren, “An Experimental Investigation into Filament Formation during Drop Generation by Pseudo-plastic Viscoelastic Fluid at T-Junction Generators". Phys Fluids, 36 (2024)122010.

    2. 129) J Wang, W Cui, CL Ren, EA Ho, “A Ready-To-Use Microwave Sensor Modified by Antibody-AuNPs Nanoconjugate for Highly Sensitive and Selective Detection of SARS-CoV-2 Virus” ACS Measurement Sci Au, 4 (2024) 651-658. (front cover)

    3. 128) TH Nguyen, N Ezzo, S Chan, EKF Yim, CL Ren, “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”, Biomicrofluidics, 18 (2024) 054110.

    4. 127) A Ahmadi, M Courtney, CL Ren, B Ingalls, “A Benchmarked Comparison of Software Packages for Time-Lapse Image Processing of Monolayer Bacterial Populations”, Microbiol Spectr 12 (2024)e00032-24.

    5. 126) PS Lee, C Sjaarda, R Gao, J Dupuis, M Rukavina-Nolsoe, CL Ren, “A TPU-based Multilayered Bellow Soft Pneumatic Actuator with Minimal Retracted Thickness: Design, Fabrication, Characterization, and its Application as Soft-Rigid Hybrid Gripper", Soft Robotics, 12 (2025) 183-199.

    6. 125) R Gao, PS Lee, A Ravi, C Dickerson, CL Ren, and J Tung, “Hybrid Soft-Rigid Active Prosthetics 1 Laboratory Exercise for Hands-On Biomechanical and Biomedical Engineering Education”, J Biomech Eng. 146 (2024) 051007 (16pp).

    7. 124) A Johnson, R Gao, K Marriott, CR Dickerson, MR Maly, and CL Ren, “Electronics-Free Soft Robotic Knee Brace for Dynamic Unloading During Gait for Knee Osteoarthritis: A Proof-of-Concept Study”, ASME J Med Devices, 17 (2024) 041004 (12pp).

    8. 123) A Yu, RZ Gao, PS Lee, C Mele, D Dittmer, A Schirm, CL Ren, JY Tung, “Soft robotics-inspired sensing system for detecting downward movement and pistoning in prosthetic sockets: A proof-of-concept study”, Prosthet Orthot Int, 48 (2024) 519-527.
  4. 2023

    1. 122) W Cui, Z Abbasi, CL Ren, “Real-time Lead Detection Device Based on Nanomaterials Modified Microwave-Microfluidic Sensor”, Sens Actu A-Phys, 362 (2023) 114652 (8pp)

    2. 121) Y Zhang, M Shafiei, JZ Wen, Z Abbasi and CL Ren, “Simultaneous Detection of Pressure and Bending Using a Microwave Sensor with Tag and Reader Structure”, IEEE Trans Instrum Meas, 72 (2023) 9511311 (11pp).

    3. 120) M Ramasamy, B Ho, CM Phan, N Qin, CL Ren & L Jones, “Inexpensive and Rapid Fabrication of PDMS Microfluidic Devices for Biological Testing Applications Using Low Cost Commercially Available 3D Printers”, J Micromech Microeng, 33 (2023) 105016 (11pp)

    4. 119) M Hebert, J Huissoon, CL Ren, “A novel approach to determining the hydrodynamic resistance of droplets in microchannels using active control and grey-box system identification”, J Micromech Microeng, 33 (2023) 085005 (15pp)

    5. 118) M Courtney, T Glawdel, CL Ren, “Investigating Peak Dispersion in Free-Flow Counterflow Gradient Focusing due to Electroosmotic Flow”, Electrophoresis, 44 (2023) 646-655, (Featured as Cover and Best Paper Award)
  5. 2022

    1. 117) M Courtney, T Glawdel, CL Ren, “Investigating Peak Dispersion in Free-Flow Counterflow Gradient Focusing due to Electroosmotic Flow”, Electrophoresis, 44 (2023) 646-655

    2. 116) W Cui, Z Ren, Y Song, CL Ren, “Development and potential for point-of-care heavy metal sensing using microfluidic systems: a brief review”, Sens Actu A-Phys, 344 (2022) 113733.

    3. 115) W Cui, A Abbasi, CL Ren, “Crosstalk Analysis and Optimization in a Compact Microwave-Microfluidic Device Towards Simultaneous Heating and Sensing of Droplets” J Micromech Microeng, 32 (2022) 095005.

    4. 114) W Cui, P Zhao, J Wang, N Qin, EA Ho, CL Ren, “Reagent free detection of SARS-CoV-2 using an antibody-based microwave sensor in a microfluidic platform”, Lab Chip, 22 (2022) 2307-2314.

    5. 113) M Hebert, J Huissoon, CL Ren, “A Quantitative Study of the Dynamic Response of Compliant Microfluidic Chips in a Microfluidics Context”, J Micromech Microeng, 32 (2022) 085004.

    6. 112) M Hebert, J Huissoon, CL Ren, “A perspective of active microfluidic platforms as an enabling tool for applications in other fields”, J Micromech Microeng, 32 (2022) 043001.

    7. 110) R Gao, VNT Mai, N Levinski, JM Kormylo, RW Murdock, CR Dickerson, CL Ren, “A Novel Air microfluidics-Enabled Soft Robotic Sleeve Towards Realizing Innovative Lymphedema Treatment”, Biomicrofluidics , 16 (2022) 034101.

    8. 109) S Kashyap, Z Almutairi, N Qin, P Zhao, S Bedi, D Johnson, and CL Ren,“Effects of Surfactant Size and Concentration on the Internal Flow Fields of Moving Slug and Disk-like Droplets via μ-PIV”, Chem Eng Sci, 255 (2022) 117668.

    9. 108) W Kapadia, N Qin, P Zhao, CM Phan, L Haines, L Jones, CL Ren, “Shear-thinning and Temperature-dependent Viscosity Relationships of Contemporary Ocular Lubricants”, Transl Vis Sci Technol, 11 (2022) 1.

    10. 107) M Marcali, X Chen, M Aucoin, CL Ren, “Droplet Formation of Biological Non-Newtonian Fluid in T-Junction Generators, Part II: Modelling”, Phys Rev E, 105 (2022) 025106.

    11. 106) M Marcali, X Chen, M Aucoin, CL Ren, “Droplet Formation of Biological Non-Newtonian Fluid in T-Junction Generators, Part I: Experimental Investigation”, Phys Rev E, 105 (2022) 025105.

    12. 105) T Zablotny, M Courtney, J P Huissoon and CL Ren, “Lensless imaging for droplet identification towards visual feedback-based pressure controlled droplet microfluidic platforms”, Sens Actu A – Phy, 334 (2022) 113338.

    13. 104) M Courtney, T Glawdel, CL Ren, “Investigating Peak Dispersion in Free-Flow Counterflow Gradient Focusing”, Electrophoresis, 43 (2022) 776-784. 
  6. 2021

    1. 103) R Gao, CL Ren, “Synergizing Microfluidics with Soft Robotics: A Perspective on Miniaturization and Future Directions”, Biomicrofluidics, 15 (2021) 011302.

    2. 102) J Farnese, P Zhao and CL Ren, “Effect of Surface Roughness on Bond Strength Between PCTE Membranes and PDMS Towards Microfluidic Applications”, IntJAdhes Adhes, 106 (2021) 102800.

    3. 101) N Qin, P Zhao, E Ho, G Xin, CL Ren, “Microfluidic Technology for Antibacterial Resistance Study and Antibiotic Susceptibility Testing: review and perspective”, ACS Sensors, 6 (2021) 3-21.

    4. 100) A Lau, CL Ren, LP Lee, “Critical Review on Where CRISPR Meets Molecular Diagnostics”, Prog. Biomed. Eng,3 (2021) 012001.

    5. 99) W Cui, G Yesiloz, CL Ren, “Microwave heating induced on-demand droplet generation in microfluidic systems”, Anal Chem, 93 (2021) 1266-1270.
  7. 2020

    1. 98) W. Cui, G. Yesiloz, CL Ren, "Numerical analysis on droplet mixing induced by microwave heating: Decoupling of influencing physical properties." Chem Eng Sci, 224 (2020): 115791.

    2. 97) M. Courtney, E. Thompson, T. Glawdel, CL Ren, “Counter-Flow Gradient Focusing in Free-Flow Electrophoresis for Protein Fractionation”, Anal Chem, 92 (2020) 7317-7324.

    3. 96) T. H. Nguyen, A. Sedighi, U. J. Krull, CL Ren, “Multifunctional Droplet Microfluidic Platform for Rapid Immobilization of Oligonucleotides on Semiconductor Quantum Dots”, ACS Sens, 5 (2020) 746-753.

    4. 95) M Hébert, J Huissoon, CL Ren, “Silicone-based Soft Matrix Nanocomposite Strain Sensor using Graphene and Silly Putty”, Sens Actuat A, 35 (2020) 111917.

    5. 94) R. Gao, M. Hebert, J. Huissoon, CL Ren, “Customized Pressure Pump System with Compatible Performance to Commercial Systems and Fast Response”, HardwareX, 7 (2020) e00096.

    6. 93) D. Wong, K. Erkorkmaz, CL Ren, “On-demand Droplet Controls with Computer Vision and Pneumatic Actuation”, IEEE-ASME T. Mech. 25 (2020) 1129-1137.

    7. 92) P. Pezeshkpour, G. Schneider, CL Ren, “A shape Factor Model for Injection Analysis of Microchip Sample Electrophoresis”,  Numer Heat Tr A-Appl, 77 (2020) 1-12​​​​​​.
  8. 2019

    1. 91) P. Zhao, L. LeSergent; J. Farnese; J. Z. Wen, CL Ren, “Electrophoretic Deposition of Carbon Nanotubes on Semi-conducting and Non-conducting Substrates”, Electrochem Communications, 108 (2019) 106558​​​​​​.

    2. 90) M. Hébert, M. Courtney, C. L. Ren, “Semi-automated, Precise on-Demand Control of Individual Droplets with T Junction Multiplexing and a Demonstrated Application to a Drug Screening Assay”, Lab Chip, 19 (2019), 1490-1501.

    3. 89) P. Zhao, N. Qin, C. L. Ren, J. Z. Wen, “Surface Modification of Polyamide Meshes and Nonwoven Fabrics by Plasma Etching and a PDA/Cellulose Coating for Oil/Water Separation", Appl Surf Sci, 481 (2019) 883-891.

    4. 88) P. Pezeshkpour, G Schneider, C. L. Ren, “Time and Length Scales in Governing Equations and Boundary Conditions for On-Chip Electrophoretic Sample Separation”, Numer Heat Tr A-Appl, 76 (2019) 1-18.

    5. 87) M. Courtney, C. L. Ren, “Counter-Flow Gradient Electrophoresis for Focusing and Elution” Electrophoresis, 40 (2019) 643-658.

    6. 86) P. Zhao, N. Qin, C. L. Ren, J. Z. Wen, “Polyamide 6.6 Separates Oil/Water Due to Its Dual Underwater Oleophobicity/Uunderoil Hydrophobicity: Role of 2D and 3D Porous Structures", Appl Surf Sci, 466 (2019) 282-288.
  9. 2018

    1. 85) A. Grimmer, X. Chen, M. Hamidovi, W. Haselmayr, C. L. Ren, R. Wille, “Simulation Before Fabrication: A Case Study on the Utilization of Simulators for the Design of Droplet Microuidic Networks”, RSC Adv, 8 (2018) 34733.

    2. 84) P. Pezeshkpour, G Schneider, C. L. Ren, “Poisson-Boltzmann Equation for Microfluidic Transport Phenomena with Statistical Thermodynamics Approach”,J Thermophys Heat Transfer, 33 (2019) 462-471.

    3. 83) N. Qin, J. Z. Wen, B. Chen, C. L. Ren, “On Nonequilibrium Shrinkage of Supercritical CO2 Droplets in a Water-Carrier Microflow”, Appl Phy Lett, 113 (2018) 033703.

    4. 82)  Y.  Zhang, H. Zeng, S. Mao, S. Kondo,  H. Nakajima, S. Kato, C. L. Ren, K. Uchiyama, “Reversibly Switching Molecular Spectra”, ACS Appl Mater Interfaces, 10 (2018) 23247.

    5. 81) N. Qin, Y. Feng, J. Z. Wen,  C. L. Ren, "Numerical Study on Single Flowing Liquid and Supercritical CO2 Drop in Microchannel: Thin Film, Flow Fields, and Interfacial Profile", Inventions, 3 (2018) 35.

    6. 80) T. H. Nguyen, X. Chen, A. Sedighi, U. Krull, C. L. Ren, "A Droplet-Based Microfluidic Platform for Rapid Immobilization of Quantum Dots on Individual Magnetic Microbeads", Microfluidics Nanofluidics, 22 (2018) 63.

    7. 79) B. Yu, C. Elbuken, C. Shen, J. Huissoon, C. L. Ren, “An Integrated Microfluidic Device for the Sorting of Yeast Cell Cycle Phases Using Image Processing”, Sci Reports, 8 (2018) 3550.

    8. 78) N. Qin, J. Z. Wen, C. L. Ren, “Hydrodynamic Shrinkage Of Liquid CO2 Taylor Drops in A Straight Microchannel”, J Phys Condens Matter, 30 (2018) 094002.  
  10. 2017

    1. 77) D. Tong, G. Yesiloz, C. L. Ren, C. M. R. Madhuranthakam, “Controlled Synthesis of Poly (Acrylamide-co-Sodium Acrylate) Copolymer Hydrogel Micro-particles in a Droplet Microfluidics Device for Enhanced Properties”, Ind Eng Chem Res, 56 (2017) 14972–14979.

    2. 76) N. Qin, J. Z. Wen, C. L. Ren, “Highly Pressurized Partially Miscible Liquid-Liquid Flow in A Micro T-Junction. II. Theoretical Justifications and Modelling”, Phys. Rev. E, 95 (2017) 043111.

    3. 75) N. Qin, J. Z. Wen, C. L. Ren, “Highly Pressurized Partially Miscible Liquid-Liquid Flow in A Micro T-Junction. I. Experimental Observations”, Phys. Rev. E, 95 (2017) 043110.

    4. 74) E. Amstad, X. Chen, M. Eggersdorfer, N. Cohen, T. E. Kodger, C. L. Ren, D. A. Weitz, “Parallelization of Microfluidic Flow-Focusing Devices”, Phy Rev E,  95 (2017) 043105.

    5. 73) X. Chen, C. L. Ren, “A Microfluidic Chip Integrated with Droplet Generation, Pairing, Trapping, Merging, Mixing and Releasing”, RSC Adv, 7 (2017) 16738-16750.

    6. 72) P. Zhao, N. Qin, J. Z. Wen, C. L. Ren, “Photocatalytic Performances Of Zno Nanoparticle Film and Vertically Aligned Nanorods in Chamber-Based Microfluidic Reactors: Reaction Kinetics and Flow Effects”,  Appl Catal B, 209 (2017) 468-475.

    7. 71) X. Chen, A. Brukson, C. L. Ren, “A Simple Droplet Merger Design for Controlled Reaction Volumes”, Microfluidics Nanofluidics, 21 (2017) 34.

    8. 70) X. Chen, C. L. Ren, “Experimental Study on Droplet Generation in Flow Focusing Devices Considering a Stratified Flow with Viscosity Contrast”, Chem Eng Sci, 163 (2017) 1-10.

    9. 69) G. Yesiloz, M. S. Boybay, C. L. Ren, “Effective Thermo-Capillary Mixing in Droplet Microfluidics Integrated with a Microwave Heater”, Anal Chem, 89 (2017) 1978–1984.

    10. 68) M. Courtney, X. Chen , S. Chan , T. Mohamed, P. N. Rao, C. L. Ren, “Droplet Microfluidic System with On-Demand Trapping and Releasing of Droplet for Drug Screening Applications”, Anal Chem, 89 (2017) 910–915.
  11. 2016

    1. 67) D. Wong, C. L. Ren, “Microfluidics Droplet Trapping, Splitting and Merging with Feedback Controls and State Space Modelling”, Lab Chip 16 (2016) 3317-3329.

    2. 66) D. Wong, G. Yesiloz, M. S. Boybay, C. L. Ren, “Microwave Temperature Measurement in Microfluidic Devices”, Lab Chip, 16 (2016) 2192-2197.

    3. 65) C. Jin, C. L. Ren and M. B. Emelko, “Concurrent Modeling of Hydrodynamics and Interaction Forces Improves Particle Deposition Predictions”, Environ Sci Technol, 50 (2016) 4401–4412.
  12. 2015

    1. 64) C. Jin, T. Glawdel, C. L. Ren, M. Emelko, “Non-Linear, Non-Monotonic Effect of Nano-Scale Roughness on Particle Deposition in Absence of an Energy Barrier”, Sci Rep, 5 (2015) 17747.

    2. 63) G. Yesiloz, M. S. Boybay, C. L. Ren, “Label-Free High-Throughput Detection and Content Sensing Of Individual Droplets in Microfluidic Systems”, Lab Chip, 21 (2015) 4008-4019. (cover)

    3. 62) H. Zeng, T. Glawdel, C. L. Ren, “Microchip with an Open Tubular Immobilized Ph Gradient for UV Whole Column Imaging Detection”, Electrophoresis, 36 (2015) 2542 -2545.

    4. 61) S. M. Shameli, C. L. Ren, “Microfluidic Two-Dimensional Separation of Proteins Combining Temperature Gradient Focusing and Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis”,  Anal Chem, 87 (2015) 3593–3597.

    5. 60) X. Chen, T. Glawdel, N. Cui, C. L. Ren, "Model of Droplet Generation in Flow Focusing Devices Operating in the Squeezing Regime", Microfluidics Nanofluidics, 18 (2015) 1341-1353.

    6. 59) C. C. Chung, T. Glawdel, C. L. Ren, H. C. Chang, "Combination of ac Electroosmosis-Dielectrophoresis for Particle Manipulation on Electrically-Induced Microscale Wave Structures”, J Micromech Microeng, 25 (2015) 035003.

    7. 58) S. M. Shameli, T. Glawdel, C. L. Ren, “Model of Separation Performance of Bilinear Gradients in Scanning Format Counter-flow Gradient Electrofocusing Techniques”, Electrophoresis, 36 (2015)668-674. (invited)
  13. 2013

    1. 57) K. M. Schreiter, T. Glawedel, J. A. Forrest, C. L. Ren, "Robust Thin-film Fluorescence Thermometry for Prolonged Measurements in Microfluidic Devices", RSC Adv, 3 (2013) 17236-17243.

    2. 56) M. S. Boybay, A. Jiao, T. Glawdel, C. L. Ren, "Microwave Sensing and Heating over Individual Droplets in Microfluidic Devices", Lab Chip, 13 (2013) 3840-3846. (cover-highlighted on the Lab on a Chip blog)
  14. 2012

    1. 55) S. M. Shameli, T. Glawdel, V. Fernand, C. L. Ren, "Micellar Affinity Gradient Focusing in a Microfluidic Chip with Integrated Bilinear Temperature Gradients", Electrophoresis, 33 (2012) 2703–2710.

    2. 54) Z. Almutairi, C. L. Ren, L. Simon, "Evaluation of Polydimethylsiloxane (PDMS) Surface Modification Approaches for Microfluidic Applications", Colloid Surface A:Physicochemical Eng Aspects, 415 (2012) 406-412.

    3. 53) L. Li, X. Bi, J. Yu, C. L. Ren, Z. Liu, "A New Soft-Lithographic Route for the Facile Fabrication of Hydrophilic and Easy-To-UV Detect Sandwich Microchips", Electrophoresis, 33 (2012) 2591-2597.

    4. 52) T. Glawdel, C. L. Ren, "Droplet Formation in Microfluidics T-junction Generators Operating in the Transitional Regime: Part III - Dynamic Surfactant Effects", Phy Review E, 86 (2012) 026308.

    5. 51) T. Glawdel, C. L. Ren, "Global Network Design for Robust Operation of Microfluidic Droplet Generators with Pressure Driven Flow”, Microfluidics and Nanofluidics, 13 (2012) 469-480.

    6. 50) S. M. Shameli, T. Glawdel, Z. Liu, C. L. Ren, "Bilinear Temperature Gradient Focusing in a Hybrid PDMS/Glass Microfluidic Chip Integrated with Planar Heaters for Generating Temperature Gradients", Anal Chem,84 (2012) 2968-2973.

    7. 49) T. Glawdel, C. Elbuken, C. L. Ren, "Droplet Formation in Microfluidics T-junction Generators Operating in the Transitional Regime: Part II - Theoretical and Numeric Modelling", Phy Review E, 85 (2012) 016323.

    8. 48) T. Glawdel, C. Elbuken, C. L. Ren, "Droplet Formation in Microfluidics T-junction Generators Operating in the Transitional Regime: Part I - Experimental Observations", Phy Review E, 85(2012) 016322.
  15. 2011

    1. 47) T. Glawdel, C. Elbuken, C. L. Ren, "Passive Droplet Trafficking at Microfluidic Junctions Under Geometric and Flow Asymmetries", Lab Chip, 11 (2011) 3774-3784. (cover-highlighted on the Lab on a Chip blog)

    2. 46) C. Elbuken, T. Glawdel, D. Chan, C. L. Ren, "Detection of Microdroplet Size and Speed Using Capacitive Sensors", Sens Actuator A: Phys, 171 (2011), 55-62.

    3. 45) B. Y. Yu, C. Elbuken, C. L. Ren, J. P. Huissoon, “Image Processing and Classification Algorithm for Yeast Cell Morphology in a Microfluidic Chip”, J Biomed Opt, 16 (2011) 066008. (selected for the June 15, 2011 issue of virtual Journal of Biological Physics Research)

    4. 44) L. Gui, C. L. Ren, “Exploration and Evaluation of Embedded Shape Memory Alloy (SMA) Microvalves for High Aspect Ratio Microchannels”, Sens Actuator A: Phys, 168 (2011) 155-161.

    5. 43) S. M. Shameli, C. Elbuken, J. Ou, C. L. Ren, J. Pawliszyn, "Fully Integrated PDMS/SU-8/quartz Microfluidic Chip with a Novel Macroporous Polydimethylsiloxane (PDMS) Membrane for Isoelectric Focusing on Proteins using Whole-channel Imaging Detection", Electrophoresis, 32 (2011) 333-339.

    6. 42) L. Gui, B. Y. Yu, C. L. Ren, J. P. Huissoon, “Microfluidic Phase Change Valve with a Two-level Cooling/Heating System”, Microfluidics Nanofluidics, 10 (2011) 435-445.1
  16. 2010

    1. 41) J. Ou, C. L. Ren, J. Pawliszyn, “A Simple Method for Preparation of Macroporous Polydimethylsiloxane Membrane for Microfluidic Chip-based Isoelectric Focusing Applications”,Anal Chim Acta, 662 (2010) 200-205.
  17. 2009

    1. 40) T. Glawdel, C. Elbuken, L. Lee, C. L. Ren, "Microfluidic System with Integrated Electroosmotic Pumps, Concentration Gradient Generator and Fish Cell Line (RTgill-W1)-Towards Water Toxicity Testing", Lab Chip, 9 (2009), 3243-3250.

    2. 39) Z. Shao, C. L. Ren, G. E. Schneider, "A Complete Numerical Model for Electrokinetic Flow and Species Transport in Microchannels", Eur Phys J Appl Phys: Special Topics, 171 (2009) 189–194.

    3. 38) J. Ou, T. Glawdel, C. L. Ren, J. Pawliszyn, “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”, Lab Chip, 9 (2009) 1926-1932.

    4. 37) Z. Almutairi, T. Glawdel, C. L. Ren, D. A. Johnson, “A Y-channel Design for Improving Zeta Potential and Surface Conductivity Measurements using the Current Monitoring Method”, Microfluidics Nanofluidics, 6 (2009) 241-251.

    5. 36) T. Glawdel, Z. Almutairi, S. Wang, C. L. Ren, “Photobleaching Absorbed Rhodamine B to Improve Temperature Measurements in PDMS Microchannels”, Lab Chip, 9 (2009) 171-174.

    6. 35) T. Glawdel, C. L. Ren, “Electro-osmotic Flow Control for Living Cell Analysis in Microfluidic PDMS Chips”, Mech Res Comm: Special Issue of Recent Advances in Microfluidics, 36 (2009) 75-81. (invited) 
  18. 2008

    1. 34) J. Ou, T. Glawdel, R. Samy, S. Wang, Z. Liu, C. L. Ren, J. Pawliszyn, “Integration of Dialysis Membranes into a Poly(dimethylsiloxane) Microfluidic Chip for Isoelectric Focusing of Proteins Using Whole-channel Imaging Detection”, Anal Chem, 80 (2008) 7401-7407.

    2. 33) Z. Liu, J. Ou, R. Samy, T. Glawdel, T. Huang, C. L. Ren, J. Pawliszyn, “Side-By-Side Comparison of Disposable Microchips with Commercial Capillary Cartridges for Application in Capillary Isoelectric Focusing With Whole Column Imaging Detection”, Lab Chip, 8 (2008) 1738-1741.08

    3. 32) J. Taylor, C. L. Ren, G. D. Stubley, “Numerical and Experimental Evaluation of Microfluidic Sorting Devices”, Biotechnol Progr, 24 (2008) 981-991. (invited)

    4. 31) R. Samy, T. Glawdel, C. L. Ren, “Method for Microfluidic Whole-Chip Temperature Measurement Using Thin-Film Poly(dimethylsiloxane)/Rhodamine B”, Anal Chem, 80 (2008) 369–375.

    5. 30) C. Elbuken, L. Gui, C. L. Ren, M. Yavuz, B. Khamesee. “Design and Analysis of a Polymeric Photo-thermal Microactuator”, Sens Actuator A: Phys, 147(2008) 292-299.

    6. 29) J. Taylor, G. D. Stubley, C. L. Ren, “Experimental Determination of Sample Stream Focusing with Fluorescent Dye”, Electrophoresis, 29 (2008) 2953-2959.

    7. 28) L. Gui, C. L. Ren, “Analytical and Numerical Study of Joule Heating Effects on Electrokinetically Pumped Continuous Flow PCR Chips”, Langmuir, 24 (2008) 2938-2946.

    8. 27) L. Gui, C. L. Ren, “Temperature Measurement in Microfluidic Chips Using Photobleaching of a Fluorescent Thin Film”, Appl Phys Lett, 92 (2008) 024102. (selected by Virtual Journal of Nanoscale Science & Technology)
  19. 2007

    1. N/A (delayed due to Prof. Ren's maternatiy leave in 2006).

  20. 2006

    1. 26) W. G. Hou, C. L. Ren, “Evaluation of Intrinsic Ionization and Complexation Constants of TiO2 and Mg-Fe Hydrotalcite-like Compounds”, Chin J Chem, 24 (2006) 1336-1341.

    2. 25) L. Gui, C. L. Ren, “Numerical Simulation of Heat Transfer and Electrokinetic Flow in an Electroosmosis-based Continuous Flow PCR Chip”, Anal Chem, 78 (2006) 6215-6222.

    3. 24) Z. Shao, C. L. Ren, G. E. Schneider, “A 3D Electrokinetic Flow Structure of Solution Displacement in Microchannels for on-Chip Sample Preparation Applications”, J Micromech Microeng, 16 (2006) 589-600.

    4. 23) B. Kates, C. L. Ren, “Study of Joule Heating Effects on Temperature Gradient in Diverging Microchannels for Isoelectric Focusing Application”, Electrophoresis, 27 (2006) 1967-1976.

    5. 22) C. L. Ren, D. Li, “Electrokinetic Sample Transport in a Microchannel with Spatial Electrical Conductivity Gradients”, J Colloid Interface Sci, 294 (2006) 482–491.
  21. 2005

    1. 21) J. Taylor, C. L. Ren, “Application of Continuum Mechanics to Fluid Flow in Nanochannels”, Microfluidics Nanofluidics, 1 (2005) 356-363.

    2. 20) J. N. McMullin, H. Qiao, S. Goel, C. L. Ren, D. Li, “Integrated Optical Measurement of Microfluid Velocity”, J Micromech Microeng, 15 (2005) 1810-1816. (According to the publisher, the above article was downloaded 250 times within the first three months of appearance)

    3. 19) C. L. Ren, D. Li, “Improved Understanding of the Effect of Electrical Double Layer on Pressure-Driven Flow in Microchannels”, Anal Chim Acta, 531 (2005) 15-23.

    4. 18) J. S. Lee, C. L. Ren and D. Li, “Effects of Surface Heterogeneity on Flow Circulation in Electroosmotic Flow in Microchannels”, Anal Chim Acta, 530 (2005) 273-282.
  22. 2004

    1. 17) C. L. Ren, Y. Hu, C. Werner, D. Li, “A New Model for the Electrical Double Layer Interaction between Two Surfaces in Aqueous Solutions”, J Adhesion, 80 (2004) 831-849.

    2. 16) C. L. Ren, D. Li, “Effects of Spatial Gradients of Electrical Conductivity on Chip-based Injection Processes”, Anal Chim Acta, 518 (2004) 59-68.

    3. 15) C. L. Ren, D. Li, “Electroviscous Effects on Pressure-Driven Flow of Dilute Electrolyte Solutions in Small Microchannels”,J Colloid Interface Sci, 274 (2004) 319-330.
  23. 2003

    1. Note: Prof. Ren's full name before 2004 was Liqing Ren

    2. 14) L. Ren, D. Sinton, D. Li, “Numerical Simulation of Microfluidic Injection Processes in Crossing Microchannels”, J  Micromech Microeng, 13 (2003) 739–747.

    3. 13) L. Ren, J. Masliyah, D. Li, “Experimental and Theoretical Study of the Displacement Process between Two Electrolyte Solutions in A Microchannel”, J Colloid Interface Sci, 257 (2003) 85–92.

    4. 12) D. Sinton, L. Ren, X. Xuan, D. Li, “Effects of Liquid Conductivity Differences on Multi-Component Sample Injection, Pumping and Stacking in Microfluidic Chips”, Lab on a Chip, 3 (2003) 173–179.

    5. 11) D. Sinton, L. Ren, D. Li, “A Dynamic Loading Method for Controlling On-Chip Microfluidic Sample Injection", J Colloid Interface Sci, 266 (2003) 448–456.

    6. 9) A. Sze, D. Erickson, L. Ren, D. Li, “Zeta-Potential Measurement Using the Smoluchowski Equation and the Slope of the Current–Time Relationship in Electroosmotic Flow” J Colloid Interface Sci, 261 (2003) 402–410.

    7. 10) D. Sinton, L. Ren, D. Li, “Visualization and Numerical Modeling of Microfluidic On-Chip Injection Processes”, J Colloid Interface Sci, 260 (2003) 431-439.
  24. 2002

    1. 8) L. Ren, D. Li, “Theoretical Studies of Microfluidic Dispensing Process”, J Colloid Interface Sci, 254 (2002) 384–395.

    2. 7) L. Ren, C. Escobedo, D. Li, “A New Method of Evaluating the Average Electro-Osmotic Velocity in Microchannels”, J Colloid Interface Sci, 250 (2002) 238–242.

    3. 6) D. Sinton, C. Escobedo, L. Ren , D. Li, “Direct and Indirect Electroosmotic Flow Velocity Measurements in microchannels”, J Colloid Interface Sci, 254 (2002) 184–189.
  25. 2001

    1. 5) L. Ren, C. Escobedo, D. Li, “Electroosmotic Flow in a Micro-capillary with One Solution Displacing Another Solution”, J Colloid Interface Sci, 242 (2001) 264–271.

    2. 4) L. Ren, D. Li, “ElectroOsmotic Flow in Heterogeneous Microchannels”, J Colloid Interface Sci, 243 (2001) 255–261.

    3. 3) L. Ren, D. Li, W. Qu, “Electro-Viscous Effects on Liquid Flow in Microchannels”, J Colloid Interface Sci, 233 (2001) 12–22.03)L. Ren, W. Qu, D. Li, “Interfacial Electrokinetic Effects on Liquid Flow in Microchannels”, Int J Heat Mass Transfer, 44 (2001) 3125–3134.

    4. 2) L. Ren, D. Li, W. Qu, “Electro-Viscous Effects on Liquid Flow in Microchannels”, J Colloid Interface Sci, 233 (2001) 12–22.
  26. 1999

    1. 1) L. Ren, B. Chen, J. Liu, “Study of Heat Transfer Correlation of Two-Phase Closed ThermosyphoN (PDF)”, J Dalian University of Technology, 39 (1999) 532–537.