Publications

 
 

Book


  1. 1.H-C Chang, LY Yeo. Electrokinetically Driven Microfluidics and Nanofluidics, (Cambridge University Press, New York, 2010) (Link).


Journal Papers


Acoustically-Driven Microfluidics


  1. 1.AR Rezk, JK Tan, LY Yeo. HYbriD Resonant Acoustics (HYDRA). Adv Mater, to appear.

  2. 2.L Alhasan, A Qi, AR Rezk, LY Yeo, PPY Chan. Assessment of the Potential of a High Frequency Acoustomicrofluidic Nebulisation Platform for Inhaled Stem Cell Therapy. Integr Biol, to appear.

  3. 3.M Miansari, A Qi, LY Yeo, JR Friend. Vibration-Induced Deagglomeration and Shear-Induced Alignment of Carbon Nanotubes in Air. Adv Funct Mater 25, 1014–1023 (2015) (PDF) [Article coverart selected as journal front cover 7/2015 p 989].

  4. 4.S Collignon, J Friend, L Yeo. Planar Microfluidic Drop Splitting and Merging. Lab Chip 15, 1942–1951 (2015) (PDF).

  5. 5.O Manor, AR Rezk, JR Friend, LY Yeo. Dynamics of Liquid Films Exposed to High-Frequency Surface Vibration. Phys Rev E 91, 053015 (2015) (PDF).

  6. 6.J Behrens, S Langelier, AR Rezk, G Lindner, LY Yeo, JR Friend. Microscale Anechoic Architecture: Acoustic Diffusers for Ultra Low Power Microparticle Separation via Traveling Surface Acoustic Waves. Lab Chip 15, 43–46 (2015) (PDF).

  7. 7.AG McDonnell, NN Jason, LY Yeo, JR Friend, W Cheng, R Prabhakar. Extensional Viscosity of Copper Nanowire Suspensions in an Aqueous Polymer Solution. Soft Matter 11, 8076–8082 (2015) (PDF).

  8. 8.C Cortez-Jugo, A Qi, A Rajapaksa, JR Friend, LY Yeo. Pulmonary Monoclonal Antibody Delivery via a Portable Microfluidic Nebulization Platform. Biomicrofluidics 9, 052603 (2015) (PDF).

  9. 9.AR Rezk, S Walia, R Ramanathan, H Nili, JZ Ou, V Bansal, JR Friend, M Bhaskaran, LY Yeo, S Sriram. Acoustic–Excitonic Coupling for Dynamic Photoluminescence Manipulation of Quasi-2D MoS2 Nanoflakes. Adv Opt Mater 3, 888–894 (2015) [Article coverart selected as journal front cover] (PDF).

  10. 10.AG McDonnell, TC Gopesh, J Lo, M O’Bryan, LY Yeo, JR Friend, R Prabhakar. Motility Induced Changes in Viscosity of Suspensions of Swimming Microbes in Extensional Flows. Soft Matter 11, 4658–4668 (2015) (PDF).

  11. 11.KM Ang, LY Yeo, JR Friend, YM Hung, MK Tan. Nozzleless Spray Cooling Using Surface Acoustic Waves. J Aerosol Sci 79, 48–60 (2015) (PDF).

  12. 12.D Yudistira, A Boes, B Djafari-Rouhani, Y Pennec, LY Yeo, A Mitchell, JR Friend. Monolithic Phononic Crystals with a Surface Acoustic Band Gap from Surface Phonon-Polariton Coupling. Phys Rev Lett 113, 215503 (2014) (PDF).

  13. 13.AR Rezk, LY Yeo, JR Friend. Poloidal Flow and Toroidal Particle Ring Formation in a Sessile Drop Driven by Megahertz Order Vibration. Langmuir 30, 11243–11247 (2014) (PDF).

  14. 14.AR Rezk, O Manor, LY Yeo, JR Friend. Double Flow Reversal in Thin Liquid Films Driven by MegaHertz-Order Surface Vibration. Proc R Soc A 470, 20130765 (2014) (PDF) [Article coverart selected for journal front cover].

  15. 15.AMG Martins, NR Glass, S Harrison, AR Rezk, NA Porter, PD Carpenter, J Du Plessis, JR Friend, LY Yeo. Towards Complete Miniaturisation of Flow Injection Analysis Systems: Microfluidic Enhancement of Chemiluminescent Detection. Anal Chem 86, 10812–10819 (2014) (PDF).

  16. 16.AE Rajapaksa, JJ Ho, A Qi, R Bischof, T-H Nguyen, M Tate, D Piedrafita, MP McIntosh, LY Yeo, E Meeusen, RL Coppel, JR Friend. Effective Pulmonary Delivery of an Aerosolized Plasmid DNA Vaccine via Surface Acoustic Wave Nebulization. Respir Res 15, 60 (2014) (PDF).

  17. 17.AR Rezk, JR Friend, LY Yeo. Simple, Low Cost MHz-Order Acoustomicrofluidics using Aluminium Foil Electrodes. Lab Chip 14, 1802–1805 (2014) (PDF) [Article coverart selected for journal back cover p 1952].

  18. 18.A Rajapaksa, A Qi, LY Yeo, R Coppel, JR Friend. Enabling Practical Surface Acoustic Wave Nebulizer Drug Delivery via Amplitude Modulation. Lab Chip 14, 1858–1865 (2014) (PDF).

  19. 19.MB Dentry, J Friend, LY Yeo. Continuous Flow Actuation Between External Reservoirs in Small-Scale Devices Driven by Surface Acoustic Waves. Lab Chip 14, 750–758 (2014) (PDF).

  20. 20.MB Dentry, LY Yeo, JR Friend. Frequency Effects on the Scale and Behavior of Acoustic Streaming. Phys Rev E 89, 013203 (2014) (PDF).

  21. 21.D Yudistra, A Boes, AR Rezk, LY Yeo, JR Friend, A Mitchell. UV Direct Write Metal Enhanced Redox (MER) Domain Engineering for Realization of Surface Acoustic Devices on Lithium Niobate. Adv Mater Interfaces 1, 1400006 (2014) (PDF) [Article coverart selected for journal back cover].

  22. 22.LY Yeo, JR Friend. Surface Acoustic Wave Microfluidics. Annu Rev Fluid Mech 46, 379–406 (2014) (PDF).

  23. 23.K Kulkarni, J Friend, L Yeo, P Perlmutter. An Emerging Reactor Technology for Chemical Synthesis: Surface Acoustic Wave-Assisted Closed-Vessel Suzuki Coupling Reactions. Ultrason Sonochem 21, 1305–1309 (2014) (PDF).

  24. 24.J Guo, JLW Li, Y Chen, LY Yeo, JR Friend, Y Kang. RF-Activated Standing Surface Acoustic Wave for On-Chip Particle Manipulation. IEEE Trans Microw Theory Techn 62, 1898–1904 (2014) (PDF).

  25. 25.J Blamey, LY Yeo, JR Friend. Microscale Capillary Wave Turbulence Excited by High Frequency Vibration. Langmuir 29, 3835–3845 (2013) (PDF).

  26. 26.L Bllaci, S Kjellström, L Eliasson, JR Friend, LY Yeo, S Nilsson. Fast Surface Acoustic Wave-Matrix-Assisted Laser Desorption Ionization Mass Spectrometry of Cell Response from Islets of Langerhans. Anal Chem 85, 2623–2629 (2013) (PDF).

  27. 27.T Vuong, A Qi, M Muradoglu, BH-P Cheong, OW Liew, CX Ang, J Fu, L Yeo, J Friend, TW Ng. Precise Drop Dispensation on Superhydrophobic Surfaces Using Acoustic Nebulization. Soft Matter 9, 3631–3639 (2013) (PDF).

  28. 28.AR Rezk, O Manor, JR Friend, LY Yeo. Unique Fingering Instabilities and Soliton-Like Wave Propagation in Thin Acoustowetting Films. Nature Commun 3, 1167 (2012) (PDF).

  29. 29.O Manor, LY Yeo, JR Friend. The Appearance of Boundary Layers and Drift Flows Due to High-Frequency Surface Waves. J Fluid Mech 707, 482–495 (2012) (PDF).

  30. 30.NR Glass, RJ Shilton, PPY Chan, JR Friend, LY Yeo. Miniaturized Lab-on-a-Disc (miniLOAD). Small 8, 1881–1888 (2012) (PDF) [Article coverart selected as journal frontispiece 12/2012 p 1880].

  31. 31.AR Rezk, A Qi, JR Friend, WH Li, LY Yeo. Uniform Mixing in Paper-Based Microfluidic Systems Using Surface Acoustic Waves. Lab Chip 12, 773–779 (2012) (PDF).

  32. 32.SM Langelier, LY Yeo, J Friend. UV Epoxy Bonding for Enhanced SAW Transmission and Microscale Acoustofluidic Integration. Lab Chip 12, 2970–2976 (2012) (PDF).

  33. 33.DJ Collins, O Manor, A Winkler, H Schmidt, JR Friend, LY Yeo. Atomization Off Thin Water Films Generated by High Frequency Substrate Wave Vibrations. Phys Rev E 86, 056312 (2012) (PDF).

  34. 34.RJ Shilton, SM Langelier, JR Friend, LY Yeo. Surface Acoustic Wave Solid-State Rotational Micromotor. Appl Phys Lett 100, 033503 (2012) (PDF).

  35. 35.J Friend, LY Yeo. Microscale Acoustofluidics: Microfluidics Driven via Acoustics and Ultrasonics. Rev Mod Phys 83, 647–704 (2011) (PDF).

  36. 36.A Qi, P Chan, J Ho, A Rajapaksa, J Friend, L Yeo. Template-Free Synthesis and Encapsulation Technique for Layer-by-Layer Polymer Nanocarrier Fabrication. ACS Nano 5, 9583–9591 (2011) (PDF).

  37. 37.J Ho, MK Tan, D Go, L Yeo, J Friend, H-C Chang. Paper-Based Microfluidic Surface Acoustic Wave Sample Delivery and Ionization Source for Rapid and Sensitive Ambient Mass Spectrometry. Anal Chem 83, 3260–3266 (2011) (PDF).

  38. 38.PK Bhattacharjee, AG McDonnell, R Prabhakar, LY Yeo, J Friend. Extensional Flow of Low-Viscosity Fluids in Capillary Bridges Formed by Pulsed Surface Acoustic Wave Jetting. N J Phys 13, 023005 (2011) (PDF).

  39. 39.RJ Shilton, NR Glass, P Chan, LY Yeo, JR Friend. Rotational Microfluidic Motor for On-Chip Microcentrifugation. Appl Phys Lett 98, 254103 (2011) (PDF).

  40. 40.RJ Shilton, LY Yeo, J Friend. Quantification of Surface Acoustic Wave Induced Chaotic Mixing-Flows in Microfluidic Wells. Sens Actuators B: Chemical 160, 1565–1572 (2011) (PDF).

  41. 41.RT Tjeung, MS Hughes, LY Yeo, JR Friend. Surface Acoustic Wave Micromotor with Arbitrary Axis Rotational Capability. Appl Phys Lett 99, 214101 (2011) (PDF).

  42. 42.A Qi, L Yeo, J Friend, J Ho. The Extraction Of Liquid, Protein Molecules and Yeast Cells From Paper Through Surface Acoustic Wave Atomization. Lab Chip 10, 470–476 (2010) (PDF).

  43. 43.MK Tan, JR Friend, OK Matar, LY Yeo. Capillary Wave Motion Excited by High Frequency Surface Acoustic Waves. Phys Fluids 22, 112112 (2010) (PDF).

  44. 44.KP Kulkarni, SH Ramarathinam, J Friend, L Yeo, AW Purcell, P Perlmutter. Rapid Microscale In-Gel Processing and Digestion of Proteins Using Surface Acoustic Waves. Lab Chip 10, 1518–1520 (2010) (PDF).

  45. 45.PR Rogers, JR Friend, LY Yeo. Exploitation of Surface Acoustic Waves to Drive Size-Dependent Microparticle Concentration Within a Droplet. Lab Chip 10, 2979–2985 (2010) (PDF).

  46. 46.LY Yeo, JR Friend, MP McIntosh, ENT Meeusen, DA Morton. Invited Paper: Ultrasonic Nebulisation Platforms for Pulmonary Drug Delivery. Expert Opin Drug Deliv 7, 663–679 (2010) (PDF).

  47. 47.MK Tan, LY Yeo, JR Friend. Unique Flow Transitions and Particle Collection Switching Phenomena in a Microchannel Induced by Surface Acoustic Waves. Appl Phys Lett 97, 234106 (2010) (PDF).

  48. 48.RV Raghavan, JR Friend, LY Yeo. Particle Concentration via Acoustically-Driven Microcentrifugation: MicroPIV Flow Visualization and Numerical Modelling Studies. Microfluid Nanofluid 8, 73–84 (2010) (PDF).

  49. 49.MK Tan, JR Friend, LY Yeo. Interfacial Jetting Phenomena Induced by Focused Surface Vibrations. Phys Rev Lett 103, 024501 (2009) (PDF).

  50. 50.A Qi, JR Friend, LY Yeo, DA Morton, MP McIntosh, L Spiccia. Miniature Inhalation Therapy Platform Using Surface Acoustic Wave Microfluidic Atomization. Lab Chip 9, 2184–2193 (2009) (PDF).

  51. 51.K Kulkarni, J Friend, L Yeo, P Perlmutter. Surface Acoustic Waves as an Energy Source for Drop Scale Synthetic Chemistry. Lab Chip 9, 754-755 (2009) (PDF).

  52. 52.MK Tan, LY Yeo, JR Friend. Rapid Fluid Flow and Mixing Induced in Microchannels using Surface Acoustic Waves. Europhys Lett 87, 47003 (2009) (PDF).

  53. 53.M Bok, H Li, LY Yeo, JR Friend. The Dynamics of Surface Acoustic Wave Driven Scaffold Cell Seeding. Biotechnol Bioeng, 103, 387-401 (2009) (PDF).

  54. 54.MK Tan, R Tjeung, H Ervin, LY Yeo, J Friend. Double Aperture Focusing Transducer for Controlling Microparticle Motions in Trapezoidal Microchannels with Surface Acoustic Waves. Appl Phys Lett 95, 134101 (2009) (PDF).

  55. 55.H Li, J Friend, L Yeo, A Dasvarma, K Traianedes. Effect of Surface Acoustic Waves on the Viability, Proliferation and Differentiation of Primary Osteoblast-Like Cells. Biomicrofluidics 3, 034102 (2009) (PDF).

  56. 56.LY Yeo, JR Friend. Ultrafast Microfluidics Using Surface Acoustic Waves. Invited paper: Biomicrofluidics 3, 012002 (2009) (PDF).

  57. 57.RP Hodgson, M Tan, L Yeo, J Friend. Transmitting High Power RF Acoustic Radiation via Fluid Couplants into Superstrates for Microfluidics. Appl Phys Lett 94, 024102 (2009) (PDF).

  58. 58.M Alvarez, LY Yeo, JR Friend. Rapid Production of Protein Loaded Biodegradable Microparticles Using Surface Acoustic Waves. Biomicrofluidics 3, 014102 (2009) (PDF).

  59. 59.H Li, JR Friend, LY Yeo. Microfluidic Colloidal Island Formation and Erasure Induced by Surface Acoustic Wave Radiation. Phys Rev Lett 101, 084502 (2008) (PDF).

  60. 60.M Alvarez, JR Friend, LY Yeo. Surface Vibration Induced Spatial Ordering of Periodic Polymer Patterns on a Substrate. Langmuir 24, 10629-10632 (2008) (PDF).

  61. 61.A Qi, LY Yeo, JR Friend. Interfacial Destabilization and Atomization Driven by Surface Acoustic Waves. Phys Fluids 20, 074103 (2008) (PDF).

  62. 62.M Alvarez, JR Friend, LY Yeo. Rapid Generation of Protein Aerosols and Nanoparticles via SAW Atomisation. Nanotechnology 19, 455103 (2008) (PDF).

  63. 63.R Shilton, MK Tan, LY Yeo, JR Friend. Particle Concentration and Mixing in Microdrops Driven by Focused Surface Acoustic Waves. J Appl Phys 104, 014910 (2008) (PDF).

  64. 64.JR Friend, LY Yeo, DR Arifin, A Mechler. Evaporative Self-Assembly Assisted Synthesis of Polymer Nanoparticles by Surface Acoustic Wave Atomization. Nanotechnology 19, 145301 (2008) (PDF).

  65. 65.MK Tan, JR Friend, LY Yeo. Direct Visualization of Surface Acoustic Waves Along Substrates Using Smoke Particles. Appl Phys Lett 91, 224101 (2007) (PDF).

  66. 66.H Li, JR Friend, LY Yeo. A Scaffold Cell Seeding Method Driven by Surface Acoustic Waves. Biomaterials 28, 4098-4104 (2007) (PDF).

  67. 67.H Li, JR Friend, LY Yeo. Surface Acoustic Wave Concentration of Particle and Bioparticle Suspensions. Biomed Microdev 9, 647-656 (2007) (PDF).

  68. 68.MK Tan, JR Friend, LY Yeo. Microparticle Collection and Concentration via a Miniature Surface Acoustic Wave Device. Lab Chip 7, 618-625 (2007) (PDF).


Electrokinetically-Driven Microfluidics


  1. 1.M Miansari, JR Friend, LY Yeo. Enhanced Ion Current Rectification in Two-Dimensional Graphene-Based Nanofluidic Devices. Adv Sci 2, 1500062 (2015) (PDF).

  2. 2.M Miansari, J Friend, P Banerjee, M Majumder, L Yeo. Graphene-Based Planar Nanofluidic Rectifiers. J Phys Chem C 118, 21856–21865 (2014) (PDF).

  3. 3.JJ Qin, LY Yeo, JR Friend. MicroPIV and Micromixing Study of Corona Wind Induced Microcentrifugation Flows in a Cylindrical Cavity. Microfluid Nanofluid 8, 231-241 (2010) (PDF).

  4. 4.H Yamamoto, K Mori, K Takemura, L Yeo, J Friend, S Yokota, K Edamura. Numerical Modeling of Electro-Conjugate Fluid Flows. Sens Actuators A: Physical 161, 152–157 (2010) (PDF).

  5. 5.RV Raghavan, J Qin, LY Yeo, JR Friend, K Takemura, S Yokota, K Edamura. Electrokinetic Actuation of Low Conductivity Dielectric Liquids. Sens Actuators B: Chemical 140, 287-294 (2009) (PDF).

  6. 6.LY Yeo, RV Craster, OK Matar. Drop Manipulation and Surgery Using Electric Fields. J Colloid Interface Sci 306, 368-378 (2007) (PDF).

  7. 7.DR Arifin, LY Yeo, JR Friend. Microfluidic Blood Plasma Separation Via Bulk Electrohydrodynamic Flows. Biomicrofluidics 1, 014103 (2007) (PDF).

  8. 8.LY Yeo, JR Friend, DR Arifin. Electric Tempest in a Teacup - The Tea Leaf Analogy to Microfluidic Blood Plasma Separation. Appl Phys Lett 89, 103516 (2006) (PDF).

  9. 9.LY Yeo, D Hou, S Maheshswari, H-C Chang. Electrohydrodynamic Surface Micro-Vortices for Mixing and Particle Trapping. Appl Phys Lett 88, 233512 (2006) (PDF).

  10. 10.LY Yeo, JR Friend. Electrospinning Carbon Nanotube Polymer Composite Nanofibers. J Exp Nanosci 1, 177-209 (2006) (PDF).

  11. 11.LY Yeo, H-C Chang. Electrowetting Films on Parallel Line Electrodes. Phys Rev E 73, 011605 (2006) (PDF).

  12. 12.LY Yeo, Z Gagnon, H-C Chang. AC Electrospray Biomaterials Synthesis. Biomaterials 26, 6122-6128 (2005) (PDF).

  13. 13.LY Yeo, H-C Chang. Static and Spontaneous Electrowetting. Mod Phys Lett B 19, 549-569 (2005) (PDF).

  14. 14.S-C Wang, H-P Chen, C-Y Lee, LY Yeo. Frequency Bandwidth Limitation of External Pulse Electric Fields in Cylindrical Micro-Channel Electrophoresis With Analyte Velocity Modulation. Biosens Bioelectron 20, 2131-2135 (2005) (PDF).

  15. 15.LY Yeo, D Lastochkin, S-C Wang, H-C Chang. A New AC Electrospray Mechanism by Maxwell-Wagner Polarization and Capillary Resonance. Phys Rev Lett 92, 133902 (2004) (PDF).


Microfluidics, Microfabrication and Materials


  1. 1.SK Vashist, PB Luppa, LY Yeo, A Ozcan, JHT Luong. Emerging Technologies for Next-Generation Point-of-Care Testing. Trends Biotechnol 33, 692–705 (2015) (PDF).

  2. 2.A Al-Abboodi, R Tjeung, PM Doran, LY Yeo, J Friend, PPY Chan. In Situ Generation of Tunable Porosity Gradients in Hydrogel-Based Scaffolds for Microfluidic Cell Culture. Adv Healthc Mater 3, 1655–1670 (2014) (PDF).

  3. 3.A Qi, SP Hoo, J Friend, L Yeo, Z Yue, PPY Chan. Hydroxypropyl Cellulose Methacrylate as a Photo-Patternable and Biodegradable Hybrid Paper Substrate for Cell Culture and Other Bioapplications. Adv Healthc Mater 3, 543-554 (2014) (PDF).

  4. 4.X Zhang, J Yao, M Ali, J Wei, H Wang, LY Yeo, JR Friend, DR MacFarlane. UV/Ozone-Assisted Low Temperature Preparation of Mesoporous TiO2 with Tunable Phase Composition and Enhanced Solar Light Photocatalytic Activity. J Mater Chem A 2, 18791–18795 (2014) (PDF).

  5. 5.X Zhang, Y Zheng, DG McCulloch, LY Yeo, JR Friend, DR MacFarlane. Controlled Morphogenesis and Self-Assembly of Bismutite Nanocrystals into Three-Dimensional Nanostructures and their Applications. J Mater Chem A 2, 2275–2282 (2014) (PDF).

  6. 6.X Zhang, J Yao, D Li, X Chen, H Wang, LY Yeo, JR Friend. Self-Assembled Highly Crystalline TiO2 Mesostructures for Sunlight-Driven, pH-Responsive Photodegradation of Dyes. Mater Res Bull 55, 13–18 (2014) (PDF).

  7. 7.M Sridhar, DK Maurya, JR Friend, LY Yeo. Focused Ion Beam Milling of Microchannels in Lithium Niobate. Biomicrofluidics 6, 012819 (2012) (PDF).

  8. 8.LY Yeo, H-C Chang, PPY Chan, JR Friend. Microfluidic Devices for Bioapplications. Invited paper: Small 7, 12–48 (2011) (PDF).

  9. 9.NR Glass, R Tjeung, P Chan, LY Yeo, JR Friend. Organosilane Deposition for Microfluidic Applications. Biomicrofluidics, 5, 036501 (2011) (PDF).

  10. 10.J Friend, L Yeo. Using Laser Doppler Vibrometry to Measure Capillary Surface Waves on Fluid-Fluid Interfaces. Biomicrofluidics 4, 026501 (2010) (PDF).

  11. 11.J Friend, L Yeo. Fabrication of Microfluidic Devices using Polydimethylsiloxane. Biomicrofluidics 4, 026502 (2010) (PDF).


Interfacial Flows, Liquid-Liquid Dispersions and Nanodroplets


  1. 1.L Bao, AR Rezk, LY Yeo, X Zhang. Highly Ordered Arrays of Femtoliter Surface Nanodroplets. Small 11, 4850–4855 (2015) (PDF).

  2. 2.J Wang, L Bao, E Dietrich, RCA van der Veen, S Peng, J Friend, HJW Zandvliet, L Yeo, D Lohse, X Zhang. Mixed Mode of Dissolving Immersed Nanodroplets at a Solid-Water Interface. Soft Matter 11, 1889–1900 (2015) (PDF) [Article featured in 2015 Soft Matter Hot Papers; coverart selected as journal inner front cover p 1854].

  3. 3.D Chakraborty, J Ravi Prakash, J Friend, L Yeo. Fluid-Structure Interaction in Deformable Microchannels. Phys Fluids 24, 102002 (2012) (PDF).

  4. 4.O Manor, M Dentry, JR Friend, LY Yeo. Substrate Dependent Drop Deformation and Wetting Under High Frequency Vibration. Soft Matter 7, 7976–7979 (2011) (PDF).

  5. 5.D Chakraborty, M Bajaj, L Yeo, J Friend, M Pasquali, J Ravi Prakash. Viscoelastic Flow in a Two-Dimensional Collapsible Channel. J Non-Newtonian Fluid Mech 165, 120-1218 (2010) (PDF).

  6. 6.LY Yeo, RV Craster, OK Matar. Marangoni Instability of a Thin Liquid Film Resting on a Locally Heated Horizontal Wall. Phys Rev E 67, 056315 (2003) (PDF).

  7. 7.LY Yeo, OK Matar. Hydrodynamic Instability of a Thin Viscous Film Between Two Drops. J Colloid Interface Sci 261, 575-579 (2003) (PDF).

  8. 8.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. Film Drainage Between Two Surfactant Coated Drops Colliding at Constant Approach Velocity. J Colloid Interface Sci 257, 93-107 (2003) (PDF).

  9. 9.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. A Description of Phase Inversion Behaviour in Agitated Liquid-Liquid Dispersions Under the Influence of the Marangoni Effect. Chem Eng Sci 57, 3505-3520 (2002) (PDF).

  10. 10.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. Simulation Studies of Phase Inversion in Agitated Vessels Using a Monte Carlo Technique. J Colloid Interface Sci 248, 443-454 (2002) (PDF).

  11. 11.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. A Simple Predictive Tool for Modelling Phase Inversion in Liquid-Liquid Dispersions. Chem Eng Sci 57, 1069-1072 (2002) (PDF).

  12. 12.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. The Dynamics of Marangoni-Driven Local Film Drainage Between Two Drops. J Colloid Interface Sci 241, 233-247 (2001) (PDF).

  13. 13.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. Phase Inversion and Associated Phenomena. Multiphase Sci Technol 12, 51-116 (2000) (PDF).


Piezoelectric Micromotors & Photonics


  1. 1.C-H Yun, LY Yeo, JR Friend. Multi-Degree-of-Freedom Ultrasonic Micromotor for Guidewire and Catheter Navigation: the NeuroGlide Actuator. Appl Phys Lett 100, 164101 (2012) (PDF) [Article selected as editor’s pick for APL’s 50th anniversary collection (PDF) and journal cover page].

  2. 2.B Watson, L Yeo, J Friend. A Study on Axial and Torsional Resonant Mode Matching for a Mechanical System with Complex Non-Linear Geometries. Rev Sci Instrum 81, 063901 (2010) (PDF).

  3. 3.B Watson, J Friend, L Yeo. Modelling and Testing of a Piezoelectric Ultrasonic Micro-Motor Suitable for In Vivo Micro-Robotic Applications. J Micromech Microeng 20, 115018 (2010) (PDF).

  4. 4.DK-C Liu, J Friend, L Yeo. A Brief Review of Actuation at the Micro-Scale Using Electrostatics, Electromagnetics and Piezoelectric Ultrasonics. Acoust Sci Tech 31, 115–123 (2010) (PDF).

  5. 5.C-H Yun, B Watson, J Friend, L Yeo. A Piezoelectric Ultrasonic Linear Micromotor using a Slotted Stator. IEEE Trans Ultrason Ferroelectr Freq Control 57, 1868–1874 (2010) (PDF).

  6. 6.K-C Liu, J Friend, L Yeo. Rotating Bouncing Disks, Tossing Pizza Dough, and the Behavior of Ultrasonic Motors. Phys Rev E 80, 046201 (2009) (PDF).

  7. 7.K-C Liu, J Friend, L Yeo. The Behavior of Bouncing Disks and Pizza Tossing. Europhys Lett 85, 60002 (2009) (PDF).

  8. 8.B Watson, J Friend, L Yeo. Piezoelectric Ultrasonic Micro/Milli-scale Actuators. Sens Actuators A: Physical 152, 219–233 (2009) (PDF).

  9. 9.K-C Liu, J Friend, L Yeo. The Axial-Torsional Vibration of Pretwisted Beams. J Sound Vibrat 321, 115–136 (2009) (PDF).

  10. 10.B Watson, J Friend, L Yeo, M Sitti. Piezoelectric Ultrasonic Resonant Motor with Stator Diameter Less Than 250 Micrometers: The Proteus Motor. J Micromech Microeng 19, 022001 (2009) (PDF).

  11. 11.TF Khoo, DH Dang, J Friend, D Oetomo, L Yeo. Triple Degree-of-Freedom Piezoelectric Ultrasonic Micromotor via Flexural-Axial Coupled Vibration. IEEE Trans Ultrason Ferroelectr Freq Control 56, 1716-1724 (2009) (PDF).

  12. 12.JR Friend, LY Yeo, M Hogg. Piezoelectric Ultrasonic Bidirectional Linear Actuator for Micropositioning Fulfilling Feynman’s Criteria. Appl Phys Lett 92, 014107 (2008) (PDF).

  13. 13.D Wajchman, K-C Liu, J Friend, L Yeo. An Ultrasonic Piezoelectric Motor Utilizing Axial-Torsional Coupling in a Pretwisted Non-Circular Cross-Sectioned Prismatic Beam. IEEE Trans Ultrason Ferroelectr Freq Control 55, 832–840 (2008) (PDF).

  14. 14.CC Handapangoda, M Premaratne, L Yeo, J Friend. Laguerre Runge-Kutta-Fehlberg Method for Simulating Laser Pulse Propagation in Biological Tissue. IEEE J Sel Top Quant Electron 14, 105–112 (2008) (PDF).


Book Chapters


  1. 1.A Rezk, J Friend, L Yeo. Actuation Mechanisms for Microfluidic Medical Devices. In Microfluidic Devices for Biomedical Applications (eds. XJ Li, Y Zhou), pp. 100–138 (Woodhead, Cambridge, 2013) (PDF).

  2. 2.O Manor, JR Friend, LY Yeo. Vibration-Induced Wetting. In Encyclopedia of Surface and Colloid Science (ed. P Somasundaran), 2nd Ed., DOI: 10.1081/E-ESCS-120047379 (Taylor & Francis, New York, 2013) (PDF).

  3. 3.A Qi, P Chan, L Yeo, J Friend. Acoustic Nanoparticle Synthesis for Applications in Nanomedicine. In Encyclopedia of Nanotechnology (ed. B Bhushan), pp. 31-40 (Springer, New York, 2012) (PDF).

  4. 4.L Yeo, H-C Chang. Electrowetting. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 600–606 (Springer, New York, 2008) (PDF).

  5. 5.L Yeo, J Friend. Electrowetting, Applications. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 606–615 (Springer, New York, 2008) (PDF).

  6. 6.L Yeo. Interfacial Electrokinetic Flow. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 854–866 (Springer, New York, 2008) (PDF).

  7. 7.L Yeo, J Friend. On-Chip Electrospray. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 1530–1539 (Springer, New York, 2008) (PDF).

  8. 8.J Friend, L Yeo. Piezoelectric Materials for Microfluidics. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 1654–1662 (Springer, New York, 2008) (PDF).

  9. 9.J Friend, L Yeo. Piezoelectric Microdispenser. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 1662–1672 (Springer, New York, 2008) (PDF).

  10. 10.J Friend, L Yeo. Piezoelectric Valves. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), p. 1672 (Springer, New York, 2008) (PDF).

  11. 11.L Yeo. Wetting and Spreading. In Encyclopedia of Microfluidics and Nanofluidics (ed. D Li), pp. 2186–2196 (Springer, New York, 2008) (PDF).


Conference Proceedings


  1. 1.L AlHasan, A Qi, A Al-Aboodi, A Rezk, RR Shilton, PPY Chan, J Friend, L Ye. Surface Acoustic Streaming in Microfluidic System for Rapid Multicellular Tumor Spheroids Generation. Proc SPIE Smart Micro/Nano Materials Devices Systems, Melbourne, Australia, Vol 8923, 89235C (2013) (PDF).

  2. 2.NS Taheri, P Chan, JR Friend, L Yeo. A Waveguide Based Microfluidic Application. Proc SPIE Smart Micro/Nano Materials Devices Systems, Melbourne, Australia, Vol 8923, 89234O (2013) (PDF).

  3. 3.PPY Chan, A Qi, A Rajapaksa, J Friend, L Yeo. Microfluidic Synthesis of Multi-layer Nanoparticles for Drug & Gene Delivery. Chemeca, Adelaide, Australia, paper 78 (2011) (PDF).

  4. 4.RJ Shilton, N Glass, S Langelier, P Chan, LY Yeo, JR Friend. On-Chip Surface Acoustic Wave Driven Microfluidic Motors. Proc SPIE Smart Nano-Micro Materials Devices Conf, Melbourne, Australia, Vol 8204, 82041J (2011) (PDF).

  5. 5.AG McDonnell, PK Bhattacharjee, S Pan, D Hill, MK Danquah, JR Friend, LY Yeo, R Prabhakar. ADMiER-ing Thin But Complex Fluids. Proc SPIE Smart Nano-Micro Materials Devices Conf, Melbourne, Australia, Vol 8204, 82041I (2011) (PDF).

  6. 6.KC Ng, A Qi, LY Yeo, J Friend, W Cheng. Evaporative Self-Assembly of Gold Nanorings via a Surface Acoustic Wave Atomization. Proc SPIE Smart Nano-Micro Materials Devices Conf, Melbourne, Australia, Vol 8204, 820434 (2011) (PDF).

  7. 7.A Al-Abboodi, R Tjeung, P Doran, L Yeo, J Friend, P Chan. Microfluidic Chip Containing Porous Gradient for Chemotaxis Study. Proc SPIE Smart Nano-Micro Materials Devices Conf, Melbourne, Australia, Vol 8204, 82041H (2011) (PDF).

  8. 8.A Qi, J Friend, L Yeo. A Miniaturized Surface Acoustic Wave Atomizer with a Disposable Pump-free Liquid Supply System for Continuous Atomization. Proc IEEE 6th Int Conf Nano/Micro Engineered & Molecular Systems (NEMS), Kaoshiung, Taiwan, pp 295–298 (2011) (PDF).

  9. 9.RT Tjeung, DK Maurya, LY Yeo, JR Friend. ZnO/Sapphire Based Layered Surface Acoustic Wave Devices for Microfluidic Applications. Proc IEEE 6th Int Conf Nano/Micro Engineered & Molecular Systems (NEMS), Kaoshiung, Taiwan, pp 211–214 (2011) (PDF).

  10. 10.RT Tjeung, MS Hughes, LY Yeo, JR Friend. Arbitrary Axis Rotating Surface Acoustic Wave Micro Motor. Proc IEEE 6th Int Conf Nano/Micro Engineered & Molecular Systems (NEMS), Kaoshiung, Taiwan, pp 184–187 (2011) (PDF).

  11. 11.LY Yeo, JR Friend. Fast Inertial Microfluidic Actuation and Manipulation Using Surface Acoustic Waves. Keynote paper: Proc ASME 2010 3rd Joint US-European Fluids Eng Summer Mtg & 8th Int Conf Nanochannels, Microchannels & Minichannels, Montreal, Canada, FEDSM/ICNMM2010-30181 (2010) (PDF).

  12. 12.LY Yeo, JR Friend. Surface Acoustic Waves: A New Paradigm for Driving Ultrafast Biomicrofluidics. Invited paper: Proc ASME 2009 2nd Micro/Nanoscale Heat Mass Transf Int Conf, Shanghai, China, MNHMT2009-18517 (2009) (PDF).

  13. 13.A Qi, JR Friend, LY Yeo. Inhaled Pulmonary Drug Delivery Platform Using Surface Acoustic Wave Atomization. Proc ASME 2009 2nd Micro/Nanoscale Heat Mass Transf Int Conf, Shanghai, China, MNHMT2009-18516 (2009) (PDF).

  14. 14.LY Yeo, JR Friend, H Li. Nanoparticle Patterning in a Microfluidic Drop Induced by Surface Acoustic Waves. Proc IEEE Int Ultrasonics Symp, Rome, Italy, pp 606–608 (2009) (PDF).

  15. 15.MK Tan, L Yeo, JR Friend. Inducing Rapid Fluid Flows in Microchannels with Surface Acoustic Waves. Proc IEEE Int Ultrasonics Symp, Rome, Italy, pp 609–612 (2009) (PDF).

  16. 16.A Qi, JR Friend, LY Yeo. Investigation of SAW Atomization. Proc IEEE Int Ultrasonics Symp, Rome, Italy, pp 787–790 (2009) (PDF).

  17. 17.J Friend, M Tan, L Yeo. Unraveling Interfacial Jetting Phenomena Induced by Focused Surface Acoustic Waves. Proc IEEE Int Ultrasonics Symp, Rome, Italy, pp 811–814 (2009) (PDF).

  18. 18.B Watson, J Friend, L Yeo, M Sitti. Piezoelectric Ultrasonic Resonant Micromotor With a Volume of Less than 1 mm3 for Use in Medical Microbots. Proc IEEE Conf Robotics Automation, Kobe, Japan, pp 2225–2230 (2009) (PDF).

  19. 19.B Watson, J Friend, L Yeo. Micromotor of Less than 1 mm3 Volume for In Vivo Medical Procedures. Proc 3rd Int Conf Quantum Nano Micro Tech, Cancun, Mexico, ICQNM2009-4782928, pp 81–85 (2009) (PDF).

  20. 20.A Qi, J Friend, L Yeo. SAW Atomization Application on Inhaled Pulmonary Drug Delivery. Proc SPIE Conf Biomed Appl Micro Nanoeng IV Complex Sys, 7270, 72700S (2008) (PDF).

  21. 21.MK Tan, JR Friend, LY Yeo. Nanoparticle Patterning on 128-YX-LN Substrates: The Effects of Surface Acceleration and Boundary Layer Streaming. Proc IEEE Int Ultrasonics Symp, Beijing, China, pp 102–107, (2008) (PDF).

  22. 22.J Friend, L Yeo, M Tan, R Shilton. Concentration and Mixing of Particles in Microdrops by Focused Surface Acoustic Waves. Proc IEEE Int Ultrasonics Symp, Beijing, China, pp 930–933 (2008) (PDF).

  23. 23.L Yeo, H Li, J Friend. Microfluidic Colloidal Island Self-Assembly and Erasure Induced by Surface Acoustic Waves: I. Experiments. Proc XXII Int Congress Theoretical Applied Mech, Adelaide, Australia (2008) (PDF).

  24. 24.J Friend, L Yeo. Modeling Chaotic Droplet Rotation Through High-Frequency Acoustic Excitation. Proc XXII Int Congress Theoretical Applied Mech, Adelaide, Australia (2008) (PDF).

  25. 25.K-C Liu, J Friend, L Yeo. The Dynamics of Pizza Tossing. Proc XXII Int Congress Theoretical Applied Mech, Adelaide, Australia (2008) (PDF).

  26. 26.R Raghavan, J Qin, LY Yeo, JR Friend, K Takemura, S Yokota, K Edamura. Electrokinetic Actuation of Low Conductivity Dielectric Liquids. Proc 6th Int ASME Conf Nanochannels, Microchannels & Minichannels, Darmstadt, Germany, ICNMM2008–62239 (2008) (PDF).

  27. 27.B Gibson, J Friend, L Yeo. Digital Ink for Simple Cognitively Effective Recorded Lectures: Making Way for Student Centred Engineering Classrooms. Proc World Conf Educational Multimedia, Hypermedia & Telecommunications, Vienna, Austria, pp 4102–4107 (2008) (PDF).

  28. 28.LY Yeo, JR Friend. Harnessing Electric Fields for Microfluidics – From Lightning Sparks to Tiny Tornadoes. Proc 16th Australasian Fluid Mech Conf, Gold Coast, Australia, pp 794–797 (2007) (PDF).

  29. 29.MK Tan, JR Friend, LY Yeo. Surface Acoustic Wave Driven Microchannel Flow. Proc 16th Australasian Fluid Mech Conf, Gold Coast, Australia, pp 790–793 (2007) (PDF).

  30. 30.H Li, L Yeo, J Friend. Driving Cell Seeding Using Surface Acoustic Wave Fluid Actuation. Proc 16th Australasian Fluid Mech Conf, Gold Coast, Australia, pp 625–629 (2007) (PDF).

  31. 31.J Friend, H Li, L Yeo. Surface Acoustic Wave Concentration of Microparticle and Nanoparticle Suspensions. Proc 16th Australasian Fluid Mech Conf, Gold Coast, Australia, pp 1038–1041 (2007) (PDF).

  32. 32.M Alvarez, J Friend, L Yeo, D Arifin. Microaerosol and Nanoparticle Synthesis for Drug Delivery via Surface Acoustic Wave Atomization. Proc 16th Australasian Fluid Mech Conf, Gold Coast, Australia, pp 621–624 (2007) (PDF).

  33. 33.J Friend, L Yeo. Observation and Analysis of Surface Acoustic Wave Induced Atomization. Proc 5th Australasian Congress Appl Mech, Brisbane, Australia, pp 432–434 (2007) (PDF).

  34. 34.MK Tan, JR Friend, LY Yeo. SAW Driven Microchannel Flow. Proc 5th Australasian Congress Appl Mech, Brisbane, Australia, pp 348–353 (2007) (PDF).

  35. 35.K-C Liu, J Friend, L Yeo. Nonlinear Dynamics of a Bouncing Disk on the Tip of a Vibrating Pretwisted Beam. Proc 5th Australasian Congress Appl Mech, Brisbane, Australia, pp 307–312 (2007) (PDF).

  36. 36.A Qi, J Friend, L Yeo. An Analytical Model for a Twisted Beam Piezoelectric Ultrasonic Micromotor. Proc 5th Australasian Congress Appl Mech, Brisbane, Australia, pp 325–330 (2007) (PDF).

  37. 37.J Friend, L Yeo, D Arifin, A Mechler. Rapid Production of Biocompatible Polymeric Nanoparticles for Functionalization via Radio-Frequency Acoustic Atomization. Proc 7th IEEE Int Conf Nanotechnology, Hong Kong, pp 11–15 (2007) (PDF).

  38. 38.CC Handapangoda, MH Premaratne, LY Yeo, J Friend. Modelling of Light Propagation Through Biological Tissues: A Novel Approach. Proc Frontiers in the Convergence of Bioscience & Information Technologies, Jeju Island, Korea, pp 563-566 (2007) (PDF).

  39. 39.B Khanmohammadi, L Yeo, KP Hapgood. Formation of Hollow Granules from Hydrophobic Powders. Chemeca, Melbourne, Australia, pp 451–459 (2007) (PDF).

  40. 40.K-C Liu, J Friend, L Yeo. Vibration Analysis of Pretwisted Beams for the Design of Hybrid Axial-Torsional Transducers. Proc 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conf, Hawaii, USA, pp 6974-6993 (2007) (PDF).

  41. 41.LY Yeo, JR Friend. Electrohydrodynamic Flow for Microfluidic Mixing and Microparticle Manipulation. Proc Int Symp Electrohydrodynamics, Buenos Aires, Argentina, pp 269–272 (2006) (PDF).

  42. 42.LY Yeo, H-C Chang. High Frequency AC Electrosprays: Mechanisms and Applications. Adv Fluid Mech VI, Skiathos, Greece, pp 223–231 (2006) (PDF).

  43. 43.LY Yeo, D Lastochkin, H-C Chang. High Frequency AC Electrospraying of Dielectric Liquids. Proc 2nd Int Conf Microchannels & Minichannels, Rochester, NY, USA, pp 723–730 (2004) (PDF).

  44. 44.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. The Drainage and Rupture of the Film Between Colliding Drops in the Presence of Surfactant. Proc Int Solvent Exchange Conf, Cape Town, South Africa, pp 70–76 (2002) (PDF).

  45. 45.LY Yeo, OK Matar, ES Perez de Ortiz, GF Hewitt. Predicting Phase Inversion Behaviour Using a Monte Carlo Technique. Proc Int Symp Multi-phase Flow & Transport Phenomena, Antalya, Turkey, pp 144–151 (2000) (PDF).


Other Articles


  1. 1.HC Chang, LY Yeo. Editorial: Moving on in Biomicrofluidics. Biomicrofluidics 7, 010401 (2013) (PDF).

  2. 2.RJ Shilton, LY Yeo, JR Friend. Drilling Inlet and Outlet Ports in Brittle Substrates. Lab on a Chip Chips and Tips, 10 Oct (2011) (PDF).

  3. 3.HC Chang, LY Yeo. Editorial: A New Year and a New Associate Editor. Biomicrofluidics 5, 010401 (2011) (PDF).

  4. 4.LY Yeo. Preface to Special Topic: Papers from the 13th International Conference on Surface and Colloid Science (ICSCS) and the 83rd ACS Colloid and Surface Science Symposium, Columbia University, New York. Biomicrofluidics 4, 013101 (2010) (PDF).

  5. 5.LY Yeo. Editorial: A Note from the New Co-Editor. Biomicrofluidics 3, 020902 (2009) (PDF).

  6. 6.LY Yeo. Preface to Special Topic: Papers from the 2009 Conference on Advances in Microfluidics and Nanofluidics, The Hong Kong University of Science & Technology, Hong Kong, 2009. Biomicrofluidics 3, 022301 (2009) (PDF).

  7. 7.LY Yeo, W Wen, H-C Chang. Preface to Special Topic: Invited Papers from the 2009 Conference on Advances in Microfluidics and Nanofluidics, The Hong Kong University of Science & Technology, Hong Kong, 2009. Biomicrofluidics 3, 011901 (2009) (PDF).

  8. 8.LY Yeo, H-C Chang, W Wen. Advances in Microfluidics and Nanofluidics. Appl Rheol 19, 175–176 (2009) (PDF).

  9. 9.LY Yeo, RP Jagadeeshan, JR Friend. Complex Fluids and Microfluidics Workshop 2008 (CFMW08). Appl Rheol 19, 44–46 (2009) (PDF).

  10. 10.L Yeo. Small Matters. Australian Physics, Vol 45, No 3 May/June, pp 84–88 (2008) (PDF).


Patents & Provisional Patents


  1. 1.L Yeo, H Ahmed. A Method for Crystallisation Using Acoustic Waves. Australian Provisional Patent Application 2015904108 (Filed 8 October 2015).

  2. 2.L Yeo, A Martins, L Lee. A Chemical Biochemical or Biological Analysis System Utilizing Luminescent Detection. International Patent Application PCT/AU2015/050479 (Filed 20 August 2015).

  3. 3.J Tan, A Rezk, L Yeo. Acoustic Wave Atomisation Devices with Increased Acoustic Wave Energy Utilisation. Australian Provisional Patent Application 2015901737 (Filed 13 May 2015).

  4. 4.J Friend, LY Yeo, P Chan, N Glass, R Shilton. Centrifugal Microfluidic Device. Australian Patent 2012350134 (Filed 7 December 2011; Granted 24 September 2015); US Patent Application 14/363/163; US-2015-0231530-A1 (Filed 7 December 2011; Granted 20 August 2015); Canadian Patent Application 2,858,160 (Filed 7 December 2011).

  5. 5.L Yeo, JKS Tan, A Rezk. Acoustic Wave Atomisation Device with Increased Acoustic Wave Energy Utilisation. Australian Provisional Patent Application 2015901737 (Filed 13 May 2015).

  6. 6.J Behrens, S Langelier, L Yeo, G Lindner, J Friend. Micro/Nanofluidic Device for Particle Manipulation and Separation. Australian Provisional Patent 2013904749 (Filed 6 December 2013).

  7. 7.A Rezk, J Friend, L Yeo. Electrode-Less Generation of Bulk and Surface Vibration on Lithium Niobate for Microfluidic Applications. International Patent Application 2013903999 (Filed 17 October 2013).

  8. 8.J Friend, L Yeo, A Qi. Respite. Atomisation Apparatus Using Surface Acoustic Wave Generation. Australian Patent Application 2013201383 (Filed 1 March 2013, Granted 8 March 2015); Japanese Patent Application 2013900690 (Filed 1 March 2013, Granted 31 August 2015).

  9. 9.H-C Chang, D Go, J Ho, J Friend, L Yeo. Method and Apparatus for Mass Spectrometry Analysis using Surface Acoustic Waves. US Provisional Patent EH65297034US (Filed 3 January 2011).

  10. 10.J Friend, L Yeo, RT Tjeung, MS Hughes. Single and Multi-Axis Surface Acoustic Wave Motors. Australian Provisional Patent 201002601 (Filed 16 November 2010).

  11. 11.J Friend, LY Yeo, PK Bhattacharjee, AG McDonnell, P Ranganathan. Surface Acoustic Wave Device for Rheometry of Low Viscosity Fluids. International Patent Application PCT/AU2011/00749; US Patent Application 13/805,711 (Filed 22 June 2010).

  12. 12.A Qi, J Friend, L Yeo. Microfluidic Apparatus for the Atomisation of a Liquid. International Patent Application PCT/AU2013/000316; US Patent Application 13/318976; Japan Patent Application 2012-510069.3; China Patent Application 201080026065.3 (Filed 11 May 2010).

  13. 13.J Friend, L Yeo, B Watson. Piezoelectric Actuator for Use in Micro Engineering Applications. Australian Patent Application 2009251131 (Filed 23 December 2009).

  14. 14.J Friend, L Yeo, B Watson. Piezoelectric Actuator for Use in Micro Engineering Applications. US Patent 8,456,068 (Filed 22 December 2009; Granted 4 June 2013).

  15. 15.J Friend, L Yeo, B Yan. Navigable Microbiotic Guidewire System for Neurosurgery. US Patent 8,551,041 (Filed 3 September 2009; Granted 8 October 2013).

  16. 16.JR Friend, LY Yeo, H Li. A Scaffold Seeding Method. International Patent Application WO2008/119124 (Filed 9 October 2008).

  17. 17.JR Friend, LY Yeo. Microfluidic Systems Using Surface Acoustic Energy and Method of Use Thereof. International Patent Application WO2007/128045 (Filed 15 November 2007).

  18. 18.JR Friend, LY Yeo. Process and Apparatus for Generating Particles. International Patent Application WO2007/070957 (Filed 28 June 2007).

  19. 19.H Chang, D Hou, S Maheshswari, Z Gagnon, L Yeo. Apparatus and Method for Non-Contact Microfluidic Sample Manipulation. International Patent Application WO2007/046871; US Patent Application US2007/0267295 (Filed 26 April 2007).

  20. 20.LY Yeo, JR Friend. Generation of Electroosmotic Liquid Recirculation via Asymmetric Electrodes. Australian Provisional Patent 2007901037 (Filed 28 February 2007).

  21. 21.JR Friend, LY Yeo. Concentration and Dispersion of Small Particles in Small Fluid Volumes Using Acoustic Energy. US Patent 12/298,804 (Filed 2 May 2006; Granted 14 August 2014).

  22. 22.JR Friend, LY Yeo. Concentration and Dispersion of Small Particles in Small Fluid Volumes Using Acoustic Energy. Australian Patent 2007247841 (Filed 2 May 2006; Granted 2 May 2007).

  23. 23.JR Friend, LY Yeo. Concentration and Dispersion of Small Particles in Small Fluid Volumes Using Acoustic Energy. European Patent Application 07 718 823.3; Japan Patent Application 2012-041559 (Filed 2 May 2006).

  24. 24.H-C Chang, LY Yeo. Polymeric Nanoparticle Synthesis by High Frequency AC Electrospraying. US Provisional Patent 60/655,436 (Filed 23 March 2005).

  25. 25.H-C Chang, S-C Wang, D Lastochkin, L Yeo, Z Gagnon, S Maheshwari. Method and Apparatus for AC Electrospray. US Patent 8,267,914 (Filed 18 October 2004; Granted 18 September 2012).