PEER-REVIEWED PUBLICATIONS [5 year Impact Factor in brackets]

  1. D. P. Kavishvar and A. Ramachandran, "Yield stress effects in blood", Advances in Colloid and Interface Science, (2024) [3.4] submitted.
  2. A. Pecaku, A. El-Sehemy, I. M. Melo, S. E. Demian, M. T. Andreoli, A. Ramachandran, and R. H. Muni, "THE MINI-STEAMROLL: An Abbreviated Variation of the Steamroller Maneuver After Pneumatic Retinopexy for Rhegmatogenous Retinal Detachment", Retina 44, 1876-1883 (2024).
  3. S. Sundar, G. Nirmal, S. Borkar, S. Goel, K. Ramachandran, R. Kochhar, E. J. Hukkanen, R. A. Chiarella, A. Ramachandran, "Microfluidic extensional flow device to study mass transfer dynamics in the polymer microparticle formation process", Soft Matter 20, 6140-6149 (2024).
  4. D. Kavishvar and A. Ramachandran, "Low yield stress measurements with a microfluidic rheometer", Lab on a chip 24, 3135-3148 (2024).
  5. D. Kavishvar and A. Ramachandran, "The yield stress of human mucus", Advances in Colloid and Interface Science, 103049 (2023) [14.6].
  6. A. Razzaghi and A. Ramachandran, “Controlled collision of drops in extensional flow using a six-port microfluidic device”, Physical Review Fluids 8, 084201 (2023) [2.8].
  7. A. Razzaghi and A. Ramachandran, “Deformation of a Hele-Shaw drop undergoing a quadratic flow”, Phys. Fluids 35, 071705 (2023) [5.5].
  8. C. J. Teal, M. T. Ho, L. Huo, H. Harada, L. C. Bahlmann, T. Léveillard, P. P. Monnier, A. Ramachandran and M. S. Shoichet, “Affinity-controlled release of rod-derived cone viability factor enhances cone photoreceptor survival”, Acta Biomaterialia 161, 37-49 (2023) [10.2].
  9. I. M. Melo, M. N. Darabad, A. Ramachandran, P. L. Oquendo, H. Hamli, W. W. Lee, F. Nagel, A. Bansal and R. H. Muni, Pathophysiology of outer retinal corrugations: Imaging dataset and mechanical models, Data In Brief, 47, 108920 (2023).
  10. R. H. Muni, W. W. Lee. A. Bansal, A. Ramachandran and R. J. Hillier, “A paradigm shift in retinal detachment repair: The concept of integrity”, Progress in Retinal and Eye Research, 101079 (2022) [20.0].
  11. R. H. Muni, M. N. Darabad, P. L. Oquendo, H. Hamli, W. W. Lee, F. Nagel, A. Bansal, I. N. Melo and A. Ramachandran, ‘’Outer Retinal Corrugations in Rhegmatogenous Retinal Detachment: The Retinal Pigment Epithelium-Photoreceptor Dysregulation Theory’’, American Journal of Ophthalmology, https://doi.org/10.1016/j.ajo.2022.08.019, 2022 [5.2].
  12. A. Farahvash, S. Marafon, V. Juncal, N. Figueiredo, A. Ramachandran and R. H. Muni, “Effects of tamponade type used in rhegmatogenous retinal detachment repair on the ensuing retinal displacement: A Computer Simulation Model”, accepted for publication, Acta Ophthalmologica (2022) [4.2].
  13. Y. Li, Y. Li, E. Prince, J. I. Weitz, S. Panyukov, A. Ramachandran, M. Rubinstein, and E. Kumacheva, “Fibrous hydrogels under biaxial confinement”, Nat. Commun. 13, 3264 (2022) [15.8].
  14. A. Farahvash, S. Marafon, V. Juncal, N. Figueiredo, A. Ramachandran and R. H. Muni, “Understanding the Mechanism of Retinal Displacement Following Rhegmatogenous Retinal Detachment Repair: A Computer Simulation Model”, Acta Ophthalmologica https://doi.org/10.1111/aos.15050 (2021) [4.2].
  15. T. M. Ho, A. Razzaghi, A. Ramachandran and K. S. Mikkonen, "Emulsion characterization via microfluidic devices: A review on interfacial tension and stability to coalescence", accepted in Adv. Colloid Int. Sci. (2021) [12.1].
  16. S. Borkar and A. Ramachandran, "Substrate colonization by an emulsion drop prior to wetting", Nat. Commun. 12, 5734 (2021) [12.8].
  17. W. W. Lee, A. Ramachandran, H. Hamli, L. C. Escaf, A. Bansal, and R. H. Muni, "Immediate subretinal fluid displacement from the buoyant force of a small gas bubble in pneumatic retinopexy: Insights into the potential mechanism of retinal displacement following retinal detachment repair", Retinal Cases and Brief Reports (2021) [0.79].
  18. S. Chakraborty and A. Ramachandran, "A macrotransport equation for the Hele-Shaw flow of suspensions", J. Fluid Mech. 924 (2021) [3.9].
  19. W. Gao, N. Vaezzadeh, K. Chow, H. Chen, P. Lavender, M. D. Jeronimo, A. McAllister, O. Laselva, J. -X. Jiang, B. K. Gage, S. Ogawa, A. Ramachandran, C. E. Bear, G. M. Keller, and A. Günther, "One-Step Formation of Protein-Based Tubular Structures for Functional Devices and Tissues", Advanced Healthcare Materials 10, 2001746 (2021) [9.0].
  20. H. Savoji, H. D. H. Locke; M. H. Mohammadi, B. Lai, R. N. Benjamin, D. Bannerman, M. Shoaib, E. Bobicki, A. Ramachandran, M. Radisic, "3D printing of vascular tubes using bioelastomer prepolymers by freeform reversible embedding", ACS Biomaterials Science & Engineering 6, 1333-1343 (2020) (Cover article) [5.3].
  21. R. Xie, A. Korolj, R.X.Z. Lu, B. Zhang, A. Ramchandran, Q. Liang and M. Radisic, "h-FIBER: Microfluidic topographical hollow fiber for studies of glomerular filtration barrier", ACS Central Science 6, 903-912 (2020) [15.4].
  22. S. Goel, N. Joshi, M. S. Uddin, S. Ng, E. J. Acosta and A. Ramachandran, "The interfacial tension of the water-diluted bitumen system at high bitumen concentrations measured using a microfluidic technique", Langmuir, in a special edition to honour Prof. Jacob Israelachvili, 35, 15170-15722 (2019) [3.9] [Invited].
  23. F.-C. Li, S. Borkar, A. Ramachandran and A. Kishen, "Characterizing fluid-dynamic parameters with activated microbubbles for root canal dentin coating with nanoparticles", Journal of Endodontics, 45, 797-802 (2019) [4.5].
  24. G. Nirmal, T. F. Leary and A. Ramachandran, "Mass transfer dynamics in the dissolution of Taylor bubbles", Soft Matter 15, 2746 - 2756 (Cover Article) (2019) [3.7].
  25. S. Goel, S. Ng, E. J. Acosta and A. Ramachandran, "The roles of contact time and contact pressure on the coalescence of water droplets suspended in concentrated bitumen solutions", Fuel 223, 486-495 (2018) [6.6].
  26. Y. Li, C. Pan, Y. Li, E. Kumacheva and A. Ramachandran, "Fabrication of in vitro microvascular system for study of pulmonary embolism", Biomedical Microdevices 19:82 (2017) [2.8].
  27. T. F. Leary and A. Ramachandran, "The hydrodynamics of segmented two-phase flow in a circular tube with rapidly dissolving drops", Soft Matter, 13, 3147-3160 (2017) [3.7].
  28. S. Goel and A. Ramachandran, "The suppression of droplet-droplet coalescence in a sheared yield stress fluid", J. Colloid Int. Sci. 492, 199-206 (2017) [7.2].
  29. A. Ramachandran and L. G. Leal, "The effect of interfacial slip on the thin film drainage time for two equal-sized, surfactant-free drops undergoing a head-on collision: A scaling analysis", Physical Review Fluids 1, 064204 (2016) [2.7].
  30. G. Nirmal and A. Ramachandran, "Dispersion of a passive tracer in the pressure-driven flow of a non-colloidal suspension", Soft Matter 12, 7920-7936 (2016) [Cover article] [3.7].
  31. S. Goel and A. Ramachandran, "Two touching spherical drops in a uniaxial compressional flow: The effect of interfacial slip", Phys. Fluids 28, 053303 (2016) [3.4].
  32. R. Sonthalia, S. Ng and A. Ramachandran, 'Formation of extremely fine water droplets in sheared, concentrated bitumen solutions via surfactant-mediated tip streaming', Fuel 180, 538-550 (2016) [6.6].
  33. Y. Li, O. S. Sariyer, A. Ramachandran, S. Panyukov, M. Rubinstein and E. Kumacheva, "Universal behavior of hydrogels confined to narrow capillaries", Scientific Reports 5, Article # 17017 (2015) [5.1].
  34. D. W. Lee, X. Banquy, K. Kristiansen, Y. Min, A. Ramachandran, J. Boggs and J. N. Israelachvili, "Adsorption mechanism of myelin basic protein on model substrates and its bridging interaction between the two surfaces", Langmuir 31, 3159-3166 (2015) [3.7].
  35. K. Vulic, M. M. Pakulska, R. Sonthalia, A. Ramachandran and M. S. Shoichet, "Mathematical model accurately predicts protein release from an affinity-based delivery system", J. Controlled Release 197, 69-77 (2015) [10.4].
  36. M. Chau, M. Abolhasani, H. Thérien-Aubin, Y. Li, Y. Wang, D. Velasco, E. Tumarkin, A. Ramachandran and E. Kumacheva, "Microfluidic generation of composite biopolymer microgels with tunable compositions and mechanical properties", BioMacromolecules 15, 2419-2425 (2014) [6.8].
  37. M. Seth, A. Ramachandran, B. Murch and L. G. Leal, "Origins of microstructural transformations in charged vesicle suspensions: The crowding hypothesis", Langmuir 30, 10176-10187 (2014) [Cover article] [3.9].
  38. M. Seth, A. Ramachandran and L. G. Leal, "Direct measurements of the effect of counter-ion concentration on the mechanical properties of cationic vesicles", Langmuir, 29, 14057-14065 (2013) [3.9].
  39. Y. Li, E. Kumacheva and A. Ramachandran, "The motion of a microgel in an axisymmetric constriction with a tapered entrance", Soft Matter 9, 10391-10403 (2013) [3.7].
  40. A. Ramachandran, "A macrotransport equation for the particle distribution in the flow of a concentrated, non-colloidal suspension through a circular tube", J. Fluid Mech. 734, 219-252 (2013) [3.9].
  41. A. Ramachandran, "Secondary convection due to second normal stress differences: A new mechanism for the mass transport of solutes in pressure-driven flows of concentrated, non-colloidal suspensions", Soft Matter 9, 6824 - 6840 (2013) [Invited article] [3.7].
  42. A. Zrehen and A. Ramachandran, "Demonstration of secondary currents in the pressure-driven flow of concentrated suspensions through non-axisymmetric conduits", Phys. Rev. Lett. 110, 018306 (2013) [9.0].
  43. A. Ramachandran and L. G. Leal, "The effect of interfacial slip on the rheology of a dilute emulsion of drops at small capillary numbers", J. Rheol. 56, 1555-1587 (2012) [4.2].
  44. A. Ramachandran, K. Tsigklifis, and L. G. Leal, "Properties and solution techniques for a mixed-type boundary integral equation arising in creeping flow problems", Comput. Fluids 64, 141-156 (2012) [3.1].
  45. A. Ramachandran, K. Tsigklifis, A. Roy and L. G. Leal, "The effect of interfacial slip on the dynamics of a drop in flow: Part I. Stretching, relaxation and breakup", J. Rheol. 56, 45 (2012) [4.2].
  46. P. Dhar, E. Eck, J. N. Israelachvili, D. W. Lee, Y. Min, A. Ramachandran, A. J. Waring, J.A. Zasadzinski, "Lipid-protein interactions alter line tensions and domain size distributions in lung surfactant monolayers", Biophys. J. 102, 56 (2012) [4.1].
  47. D. W. Lee, Y. Min, P. Dhar, A. Ramachandran, J. N. Israelachvili and J. A. Zasadzinski, "Relating domain size distribution to line tension and molecular dipole density in model cytoplasmic myelin lipid monolayers", Proc. Natl. Acad. Sci. USA 108, 9425-9430 (2011) [10.6].
  48. A. Ramachandran, T. Anderson, L. G. Leal and J. N. Israelachvili, "Adhesive interactions between vesicles in the strong adhesion limit" Langmuir 27, 59-73 (2011) [3.9].
  49. A. Ramachandran and L. G. Leal, "A scaling theory for the hydrodynamic interaction between a pair of vesicles or capsules", Phys. Fluids 22, 091702 (2010) [3.4].
  50. M. Seth, A. Ramachandran and L. G. Leal, "Dilution technique to determine the hydrodynamic volume fraction of a vesicle suspension", Langmuir 26, 15169-15176 (2010) [3.7].
  51. A. Ramachandran and D. T. Leighton Jr., "Particle migration in concentrated suspensions undergoing squeeze flow", J. Rheol. 54, 563-589 (2010). [4.2]
  52. A. Ramachandran and D. T. Leighton Jr., "A constitutive equation for droplet migration in dilute flowing emulsions at low capillary numbers", Phys. Fluids 22, 083301 (2010) [3.4].
  53. A. Ramachandran and A. Khair, "The dynamics and rheology of a dilute suspension of hydrodynamically Janus spheres", J. Fluid Mech. 633, 233-269 (2009) [3.9].
  54. A. Ramachandran and D. T. Leighton Jr., "The influence of second normal stress difference induced secondary flows on the shear-induced migration of particles in concentrated suspensions", J. Fluid Mech. 603, 207-243 (2008) [3.9].
  55. A. Ramachandran and D. T. Leighton Jr., "The effect of gravity on the meniscus accumulation phenomenon in a tube", J. Rheol. 51, 1073-1098 (2007) [4.2].
  56. A. Ramachandran and D. T. Leighton Jr., "Viscous resuspension in a tube: the effect of secondary flows due to second normal stress differences", Phys. Fluids 19, 053301 (2007) [3.4].
  57. Dutta D., A. Ramachandran and D. T. Leighton Jr., "Effect of channel geometry on solute dispersion in pressure-driven microfluidic systems", MicroFluid. Nanofluid. 2, 275-290 (2006) [2.6].

INVITED TALKS

  1. “Substrate colonization by an emulsion drop prior to spreading“, Pacific Rim Conference on Rheology, Vancouver, British Columbia, 2023.
  2. “Emulsion characterization using microfluidics: The journey thus far, and the road ahead“, invited talk at the Canadian Chemical engineering Conference in a session titled ‘Perspectives in Chemical Engineering’ to mark the 100th volume of the Canadian Journal of Chemical Engineering, Montreal (October 2021).
  3. “The effect of rheology on solute mass transfer rates in concentrated, sheared suspensions”, keynote at the Canadian Chemical engineering Conference, Montreal (October 2021).
  4. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at the department of chemical and materials engineering, University of Alberta (online) (April 2021).
  5. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at the department of chemical and petroleum engineering, University of Pittsburgh (online) (March 2021).
  6. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at the department of physics and physical oceanography, Mcgill University (online) (March 2021).
  7. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at the department of chemical engineering, Memorial University (online) (February 2021).
  8. “The influence of the rheology of a concentrated non-Brownian suspension undergoing shear on its solute mass transfer characteristics’, invited talk at Journal of Non-Newtonian Fluid Mechanics (JNNFM) weekly online seminar series, January, 2021.
  9. “Novel microfluidic techniques for the fundamental characterization of biological cells and solutions”, Hospital for Sick Kids, Toronto, October, 2020.
  10. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at the department of chemical engineering, Carnegie Mellon University, Pittsburgh (March 2020).
  11. “Microfluidic models of the emulsification and extraction stages of polymer microparticle production by the solvent extraction process”, Alkermes plc, Boston, Massachusetts (January 2020).
  12. “Microfluidic methods for gaining a mechanistic understanding of the formation of extremely fine water-in-oil emulsions in bitumen froth treatment”, Canadian Society of Chemical Engineering Annual Meeting, Halifax, Nova Scotia, Canada (October 2019).
  13. “A new perspective on the wetting of a surface by the drops of an emulsion”, talk at the Humboldt Kolleg themed ‘Transitions’, Ottawa, Ontario (May 2019).
  14. “A new perspective on the wetting of a surface by the drops of an emulsion”, talk at the Department of Chemical Engineering at University of Ottawa, Ottawa, Ontario (May 2019).
  15. “A microfluidic model for thromboembolism and thrombolysis”, talk at the ‘Complex Fluids in Biological Systems’ symposium at the Banff International Research Station, Banff, Alberta (July 2018).
  16. “A new perspective on the wetting of a surface by the drops of an emulsion”, talk at the Soft Matter Congress of the Canadian Association of Physics annual conference, Dalhousie University, Halifax, Nova Scotia (June 2018).
  17. “Microfluidic methods to understand the water in oil emulsion problem in bitumen froth treatment”, departmental seminar at Department of Chemical and Petroleum Engineering, University of Calgary (April 2018).
  18. “A new perspective on the wetting of a surface by the drops of an emulsion”, departmental seminar at Department of Chemical Engineering, Queen’s University (March 2018).
  19. “A new mechanism for the wetting of a surface by the drops of an emulsion”, talk at Department of Chemical Engineering, University of California at Santa Barbara, California (March 2018).
  20. “A new mechanism for the wetting of a surface by the drops of an emulsion”, talk at Department of Chemical Engineering, University of Maryland, College Park, Maryland (January 2018).
  21. “Microscale coalescence studies for the water-in-bitumen emulsion system”, Syncrude Bitumen Production Emulsion Fundamentals Workshop, Edmonton, Alberta, Canada (August 2017).
  22. “Emulsification mechanisms in the froth treatment section of the oil sands industry”, Syncrude Bitumen Production Emulsion Fundamentals Workshop, Edmonton, Alberta, Canada (August 2017).
  23. “A new mechanism for the wetting of a surface by the drops of an emulsion”, Banff International Research Station workshop on Mathematical Approaches to Interfacial Dynamics in Complex Fluids, Banff, Alberta, Canada (June 2017).
  24. “A new mechanism for the wetting of a surface by the drops of an emulsion”, Complex Fluids and Flows in the Industry, Vancouver, British Columbia, Canada (June 2017).
  25. "Microfluidic Methods for Developing a Mechanistic Understanding of the Problem of Extremely Fine Water Droplets in Diluted Bitumen", Institute of Chemical Technology, Mumbai, India (September 2016).
  26. “Hele-Shaw flows of concentrated, non-colloidal suspensions”, International Conference of Theoretical and Applied Mechanics (ICTAM), Montreal, Canada (August 2016).
  27. "The effect of a yield stress on the drainage of the thin film between two colliding Newtonian drops", North American Mixing Forum biannual meeting, Quebec City (June 2016).
  28. "On the coalescence of two drops undergoing a head-on collision in a Bingham fluid", CAP Congress, Ottawa (June 2016).
  29. "Universalities in the translocation of polymer microgels into narrow capillaries", HYBER Symposium, Hilton Kalastajatorpa, Finland (May 2016).
  30. "Microfluidic assessment of shear-induced phenomena in soft particle research", Seminar at Aalto University (May 2016).
  31. "Macrotransport processes in the pressure-driven flow of a concentrated, non-colloidal suspension", Levich Institute, City College of New York, New York (April 2016).
  32. "Macrotransport processes in the pressure-driven flow of a concentrated, non-colloidal suspension", Department of Physics, University of Western Ontario, London (March 2016).
  33. "Macrotransport processes in the pressure-driven flow of a concentrated, non-colloidal suspension", Institute of Applied Mathematics, University of British Columbia, Vancouver (March 2016).
  34. "A macrotransport equation for the Hele-Shaw flow of concentrated suspensions of non-colloidal spheres in Newtonian fluids", IUTAM Symposium on Multi-Phase Continuum Modeling of Particulate Flows, Gainesville, Florida (December 2015).
  35. "Microfluidic assessment of shear-induced phenomena in emulsion research related to oil sands", Schlumberger DBR Center, Edmonton, Alberta (August 2015).
  36. "Microfluidic assessment of shear-induced phenomena in emulsion research related to oil sands", CANMET, Devon, Alberta (August 2015).
  37. "Microfluidic assessment of shear-induced phenomena in emulsion research related to oil sands", Suncor Research, Calgary, Alberta (August 2015).
  38. "The influence of secondary flows on transport processes in sheared suspensions", Indian Institute of Technology - Madras, Chennai, India (July 2015).
  39. "The influence of secondary flows on transport processes in sheared suspensions", Rutgers University, New Jersey (October 2014).
  40. "Taylor dispersion of a passive tracer in suspension flows", Canadian Society of Chemical Engineering Annual Meeting, Niagara, Ontario (October 2014).
  41. "Origins of Microstructural Transformations in Concentrated, Charged Vesicle Suspensions", Dynacaps IUTAM symposium, Compiegne, France (July 2014).
  42. "Experimental investigation of the formation of sub-micron droplets in water-in-bitumen emulsions", North American Mixing Forum biannual Meeting, Lake George, New York (2014).
  43. "Taylor dispersion of a passive tracer in the pressure-driven flow of a concentrated suspension of rigid, non-colloidal spheres", Keynote lecture, United States National Congress for Theoretical and Applied Mechanics, East Lansing, Michigan (June 2014).
  44. "Shear-induced enhancement of solute mass transport in flows of concentrated suspensions through microchannels", Canadian Association of Physics, Sudbury, Ontario (June 2014).
  45. "The influence of flow geometry on shear-induced particle segregation in concentrated, viscous, non-colloidal suspensions", George Washington University, Washington DC (April 2014).
  46. "Recent progress in understanding the stability of vesicle suspensions", National Institute of Technology, Surathkal, India (2013).
  47. "Secondary convection due to second normal stress differences: A new mechanism for the mass transport of solutes in flowing, non-colloidal suspensions", Society of Engineering Science ASME-AMD Summer Meeting, Brown University, Providence, Rhode Island (July 2013).
  48. "The influence of flow geometry on shear-induced particle segregation in concentrated, viscous, non-colloidal suspensions", University of Kansas, Lawrence (April 2013).
  49. "Demonstration of secondary currents in the pressure-driven flow of a concentrated suspension through a square conduit", International Union of Theoretical and Applied Mechanics, Bengaluru, India, January 2012.
  50. "The effect of interfacial slip on coalescence and breakup phenomena in emulsions" at the 'Complex Fluid and Flows in Industry' Workshop, Vancouver, British Columbia, July 2011.
  51. "Flow-induced aggregation/fusion of deformable particles", Ontario on a chip, Toronto, Ontario, Canada, June 2011.
  52. "The effect of slip at the fluid interface on the coalescence of two viscous drops colliding in a viscous liquid" at the Department of Mechanical Engineering, Indian Institute of Sciences, Bangalore, India, October 2010.
  53. "The effect of slip at the fluid interface on the coalescence of two viscous drops colliding in a viscous liquid" at Division of Engineering, Brown University, Providence, USA, March 2010.
  54. "Towards a systematic, scientific basis for synthesizing vesicle dispersions" at Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Canada, March 2010.
  55. "Transport phenomena and fluid mechanics", a guest lecture to the undergraduates in the Department of Chemistry and Chemical Engineering, California Institute of Technology, September 2007.
  56. "Shear-induced migration phenomena in concentrated non-colloidal suspensions", Department of Chemistry and Chemical Engineering, California Institute of Technology, August 2007.
  57. "Shear-induced migration phenomena in concentrated suspensions" at the Center for Interdisciplinary Research in Fluids, University of California at Santa Barbara, Santa Barbara, May 2007.
  58. "Shear-induced migration phenomena in concentrated suspensions" at the Procter and Gamble Research Labs, Cincinnati, Ohio, May 2007.
  59. "Shear-induced migration phenomena in concentrated suspensions" at the ExxonMobil Upstream Research Facility, Houston, Texas, December 2006.

ABSTRACTS PUBLISHED IN CONFERENCE PROCEEDINGS [Speaker underlined]

  1. A. Razzaghi and A. Ramachandran, “Flow-induced coalescence of water drops in concentrated bitumen solutions”, CSChE, Calgary, Edmonton, 2023.
  2. D. Kavishvar and A. Ramachandran, “On measuring low yield stresses of complex fluids using a microfluidic technique”, CSChE, Calgary, Edmonton, 2023.
  3. S. Sundar, G. Nirmal, C. Marambo, K. Ramachandran, R. Kochhar, E. J. Hukkanen, R. A. Chiarella, A. Ramachandran, “Study of mass transfer dynamics in the production of drug-loaded polymer microparticles using a microfluidic platform”, CSChE, Calgary, Edmonton, 2023.
  4. S. K. Kalhour, D. G. Allen and A. Ramachandran, “Characterization of biosludge flocs and implications for dewatering”, CSChE, Calgary, Edmonton, 2023.
  5. S. Sundar, G. Nirmal, C. Marambo, K. Ramachandran, R. Kochhar, E. J. Hukkanen, R. A. Chiarella, A. Ramachandran, “Studying the effect of shear in the polymer microparticle production process using droplet-based microfluidics”, North Carolina State University, Rayleigh, North Carolina, 2023.
  6. A. Razzaghi and A. Ramachandran, ‘’Controlled collision of Hele-Shaw droplets in extensional flow using a six-port microfluidic device”, Pacific Rim Conference on Rheology, Vancouver, British Columbia, 2023.
  7. D. Kavishvar and A. Ramachandran, ‘’The measurement of low yield stress of dilute clay suspensions using a novel in-line microfluidic rheometer”, Pacific Rim Conference on Rheology, Vancouver, British Columbia, 2023.
  8. D. Kavishvar and A. Ramachandran, ‘’The measurement of low yield stress of dilute clay suspensions using a novel in-line microfluidic rheometer”, APS Division of Fluid Dynamics meeting, Indianapolis, 2022.
  9. A. Razzaghi and A. Ramachandran, ‘’Hele-Shaw drop deformation in quadratic extensional flow”, APS Division of Fluid Dynamics meeting, Indianapolis, 2022.
  10. A. Razzaghi and A. Ramachandran,”A simple and fast microfluidic control of two Hele-Shaw droplets towards coalescence”, APS Division of Fluid Dynamics meeting, Indianapolis, 2022.
  11. S. Chakraborty, S. Borkar and A. Ramachandran, “A Novel Hydrodynamic Film Drainage between an Emulsion Drop and a Surface to Predict Key Surface Wetting Rates”, AIChE meeting, Phoenix, Arizona, 2022.
  12. S. Sundar, G. M. Nirmal, C. Marambo, K. Ramachandran, R. Kochchar, E. J. Hukkanen, R. A. Chiarella and A. Ramachandran, Microfluidic studies of the production of polymer microparticles by solvent extraction from polymer solution droplets, AIChE Annual Meeting, Boston (November 2021).
  13. S. Borkar and A. Ramachandran, “The influence of surface properties and interfacially-active species on the coalescence-mediated wetting of a surface by an emulsion drop”, AIChE Annual Meeting, Boston (November 2021).
  14. G. Nirmal, S. Sundar, M. Shoaib, E. Bobicki and A. Ramachandran, “The measurement of solute mixing rates in the flow of concentrated suspensions through straight conduits”, AIChE Annual Meeting (Online) (November 2020).
  15. S. Goel, N. Joshi, M. S. Uddin, S. Ng, E. J. Acosta and A. Ramachandran, “Microfluidic measurement of the interfacial tension of the water-diluted bitumen interface”, AIChE Annual Meeting, Orlando, Florida (November 2019).
  16. S. Goel, N. Joshi, M. S. Uddin, S. Ng, E. J. Acosta and A. Ramachandran, “The interfacial tension of the water – in – diluted bitumen emulsion system at high bitumen concentrations”, Society of Rheology Annual Meeting, Raleigh, North Carolina (October 2019).
  17. S. Borkar and A. Ramachandran, “The effect of the surfactants, predissolved drop fluid and chemistry of the suspending fluid on the wetting of a surface by an emulsion drop”, Society of Rheology Annual Meeting, Raleigh, North Carolina (October 2019).
  18. S. Goel, N. Joshi, M. S. Uddin, S. Ng, E. J. Acosta and A. Ramachandran, “The interfacial tension of the water – in – diluted bitumen emulsion system at high bitumen concentrations”, ACS Colloids Symposium, Altanta, Georgia (June 2019).
  19. S. Chakraborty, S. Borkar and A. Ramachandran, “Coalescence-based wetting of a surface by an emulsion drop”, Poster presented at the ACS Colloids Symposium, Altanta, Georgia (June 2019).
  20. S. Borkar and A. Ramachandran, “The colonization of a substrate by an emulsion drop prior to wetting”, AIChE annual meeting, Pittsburgh, Pennsylvania (October 2018).
  21. R. Ranjan, S. Sehgal, J. A. Kornfield and A. Ramachandran, “Capillarity and convection-controlled assembly during the spreading of particulate suspensions on an air-liquid interface”, AIChE annual meeting, Pittsburgh, Pennsylvania (October 2018).
  22. S. Borkar and A. Ramachandran, “A new perspective on the wetting of a solid surface by the drops of an emulsion”, Poster at AIChE annual meeting, Pittsburgh, Pennsylvania (October 2018).
  23. S. Goel, S. Ng, E. J. Acosta and A. Ramachandran, “The interfacial tension of the water-bitumen interface at short time scales using an in-house developed microfluidic platform”, CSChE annual meeting, Toronto (October 2018).
  24. G. Nirmal, T. Leary and A. Ramachandran, “The measurement of the mass transfer dynamics in the segmented flow of a dissolving gas and a liquid: Theory and experiments”, CSChE annual meeting, Toronto (October 2018).
  25. G. Nirmal, T. Leary and A. Ramachandran, “The measurement of the mass transfer dynamics in the segmented flow of a dissolving gas and a liquid: Theory and experiments”, North American Mixing Forum biannual meeting, Puerto Rico (June 2018).
  26. S. Goel, S. Ng, E. J. Acosta and A. Ramachandran, “The interfacial tension of the water-bitumen interface at short time scales”, AOCS annual meeting, Minneapolis, Minnesota (May 2018).
  27. R. Ranjan, S. Sehgal, J. A. Kornfield and A. Ramachandran, “Capillarity and convection-controlled assembly during the spreading of particulate suspensions on an air-liquid interface”, American Physical Society March meeting, Los Angeles, California (March 2018).
  28. S. Borkar and A. Ramachandran, “A New Mechanism for the Wetting of a Solid Surface by Emulsion Droplets”, American Physical Society March meeting, Los Angeles, California (March 2018).
  29. G. Nirmal, T. Leary and A. Ramachandran, “A Unifying Framework for Mass Transfer Dynamics in Gas – Liquid Segmented Flow in a Circular Tube”, AIChE Annual Meeting, Minneapolis, Minnesota (October 2017).
  30. S. Goel, S. Ng, E. Acosta and A. Ramachandran, “A Novel Microfluidic Platform to Measure the Dissolution Rate of Drops Emulsified in an Immiscible, Surfactant-containing Suspending Medium”, AIChE Annual Meeting, Minneapolis, Minnesota (October 2017).
  31. S. Goel, S. Ng, E. Acosta and A. Ramachandran, “A Novel Microfluidic Platform to Measure the Dissolution Rate of Drops Emulsified in an Immiscible, Surfactant-containing Suspending Medium”, CSChE Annual Meeting, Edmonton, Alberta (October 2017).
  32. S. Goel, S. Ng and A. Ramachandran, “A Novel Microfluidic Platform to Measure the Dissolution Rate of Drops Emulsified in an Immiscible, Surfactant-containing Suspending Medium”, AOCS Annual Meeting, Orlando, Florida, (May 2017).
  33. G. Nirmal and A. Ramachandran, “Determination of Solubility and Kinetic Parameters for Switchable Solvents Using Microfluidics”, AOCS Annual Meeting, Orlando, Florida, (May 2017).
  34. S. Borkar and A. Ramachandran, "A new mechanism for the wetting of a surface by the drops of an emulsion", Society of Rheology Annual Meeting, Tampa, Florida, USA (February 2017).
  35. S. Goel and A. Ramachandran, "The drainage of a thin film of Bingham fluid between two viscous Newtonian drops undergoing a head-on collision", Society of Rheology Annual Meeting, Tampa, Florida, USA (February 2017).
  36. G. Nirmal and A. Ramachandran, "A unifying framework for mass transfer dynamics in the Taylor flow of a dissolving train of bubbles", APS Division of Fluid Dynamics Annual Meeting, Portland, Oregon (November 2016).
  37. S. Goel and A. Ramachandran, "The effect of a yield stress on the drainage of the thin film between two colliding Newtonian drops", APS Division of Fluid Dynamics Annual Meeting, Portland, Oregon (November 2016).
  38. S. Goel, S. Ng and A. Ramachandran, "The effect of contact pressure on coalescence of water droplets suspended in bitumen", AIChE Annual Meeting, San Francisco, California (November 2016).
  39. S. Goel and A. Ramachandran, "The effect of a yield stress on the drainage of the thin film between two colliding Newtonian drops", AIChE Annual Meeting, San Francisco, California (November 2016).
  40. S. Goel, S. Ng and A. Ramachandran, "The effect of contact pressure on coalescence of water droplets suspended in bitumen", CSChE Annual Meeting, Quebec city, Quebec, Canada (October 2016).
  41. S. Goel and A. Ramachandran, "The drainage of a thin film of Bingham fluid between two viscous Newtonian drops undergoing a head-on collision", ACS Colloids Symposium, Boston, Massachusetts (2016).
  42. S. Goel, J. Wei, S. Ng, A. Ramachandran, "Measurement of solubility and dissolution rate of water in bitumen using a microfluidic technique", ACS Colloids Symposium, Boston, Massachusetts (2016).
  43. Y. Li, A. Ramachandran, E. Kumacheva, O. Sariyer, M. Rubinstein, S. Panyukov, "Universal behavior of hydrogels confined to narrow capillaries", ACS Colloids Symposium, Boston, Massachusetts (2016).
  44. S. Borkar and A. Ramachandran, "The presence of aqueous films on hydrophilic particles in nonpolar solvents", ACS Colloids Symposium, Boston, Massachusetts (2016).
  45. S. Borkar and A. Ramachandran, "The effect of polymer confinement on the film drainage behaviour between a deformable droplet and mica - an RICM study", ACS Colloids Symposium, Boston, Massachusetts (2016).
  46. S. Goel, S. Ng and A. Ramachandran, "The effect of a yield stress on the drainage of the thin film between two colliding Newtonian drops", AOCS Annual Meeting, Salt Lake City, Utah.
  47. S. Goel, S. Ng and A. Ramachandran, "The effect of contact force on coalescence of water droplets suspended in bitumen", AOCS Annual Meeting, Salt Lake City, Utah.
  48. T. Leary and A. Ramachandran, "Boundary integral simulations of dissolving drops in tubes", APS-Division of Fluid Dynamics Annual Meeting, Boston, Massachusetts (2015).
  49. S. Borkar and A. Ramachandran, "Effect of polymer confinement on film drainage behavior: An RICM study", APS-Division of Fluid Dynamics Annual Meeting, Boston, Massachusetts (2015).
  50. T. Leary and A. Ramachandran, "Boundary integral simulations of dissolving drops in tubes", AIChE, Salt Lake City, Utah (2015).
  51. S. Malladi and A. Ramachandran, "Removal of particulate fines from oils using water drops as collector particles", AIChE, Salt Lake City, Utah (2015).
  52. T. Leary and A. Ramachandran, "Boundary integral simulations of dissolving drops in tubes", Society of Rheology Annual Meeting, Baltimore, Maryland (2015).
  53. S. Borkar and A. Ramachandran, "Effect of polymer confinement on film drainage behavior: An RICM study", Society of Rheology Annual Meeting, Baltimore, Maryland (2015) (Poster).
  54. S. Malladi and A. Ramachandran, "Removal of particulate fines from oils using water drops as collector particles", Canadian Society of Chemical Engineering Annual Meeting, Calgary, Alberta (2015).
  55. T. Leary and A. Ramachandran, "Boundary integral simulations of dissolving drops in tubes", Canadian Society of Chemical Engineering Annual Meeting, Calgary, Alberta (2015).
  56. R. Sonthalia, A. Ramachandran and Samson Ng, "Tip streaming: A possible source of extremely fine water-in-bitumen emulsions", Canadian Society of Chemical Engineering Annual Meeting, Calgary, Alberta (2015).
  57. Y. Li, A. Ramachandran and E. Kumacheva, "The motion of a microgel in an axisymmetric constriction with a tapered entrance", Canadian Society of Chemical Engineering Annual Meeting, Calgary, Alberta (2015).
  58. S. Malladi and A. Ramachandran, "Removal of particulate fines from organic solvents using water drops as collector particles", ACS Colloids Symposium, Pittsburgh (2015).
  59. S. Goel and A. Ramachandran, "Effect of interfacial slip on two touching spherical drops in a uniaxial, axisymmetric, compressional flow", ACS Colloids Symposium, Pittsburgh (2015) (Poster).
  60. T. F. Leary and A. Ramachandran, "Boundary integral simulations of dissolving drops in segmented two-phase flows", ACS Colloids Symposium, Pittsburgh (2015) (Poster).
  61. R. Sonthalia, A. Ramachandran and Samson Ng, "Tip streaming: A possible source of extremely fine water-in-bitumen emulsions", ACS Colloids Symposium, Pittsburgh (2015).
  62. S. Malladi and A. Ramachandran, "Removal of particulate fines from organic solvents using water drops as Collector particles", American Oil Chemists' Society Annual Meeting, Orlando, Florida (2015).
  63. R. Sonthalia, A. Ramachandran, "Tip Streaming: A Possible Mechanism for the Formation of Extremely Fine Droplets in Aqueous-Bitumen Mixtures", AIChE 2014, Atlanta, Georgia.
  64. A. Ramachandran, "A Macrotransport Equation for the Hele-Shaw Flow of Concentrated Suspensions of Non-Colloidal Spheres in Newtonian Fluids", AIChE 2014, Atlanta, Georgia.
  65. A. Ramachandran, "Taylor dispersion of a passive tracer in the pressure-driven flow of a concentrated suspension of rigid, non-colloidal spheres", SOR, October 2014, Philadelphia, Pennsylvania.
  66. R. Sonthalia, A. Ramachandran and Samson Ng, “Experimental investigation of the formation of sub-micron droplets in water-in-bitumen emulsions”, American Oil Chemists’ Society Annual Meeting, San Antonio, Texas (2014).
  67. A. Ramachandran, "The Taylor dispersivity of a passive tracer in the pressure-driven flow of a concentrated suspension of rigid, non-colloidal spheres", AIChE 2013, San Francisco, California.
  68. A. Ramachandran, "A Constitutive Equation for the Droplet Distribution in the Unidirectional Flow of a Dilute Emulsion of Deformable Drops Suspended in a Second Order Fluid", AIChE 2013, San Francisco, California.
  69. A. Ramachandran, "Secondary Convection due to Second Normal Stress Differences: A New Mechanism for the Mass Transport of Solutes in Flowing, Non-colloidal Suspensions", Society of Rheology meeting, October 2013, Montreal, Canada.
  70. A. H. Motagamwala, M. Seth, A. Ramachandran and L. G. Leal, "The effect of electrostatics on the line tension at the edge of a lipid bilayer", Biophysical Society Annual Meeting, Philadelphia, February 2013.
  71. A. Ramachandran and L. G. Leal, “The effect of interfacial slip on the rheology of a dilute emulsion of drops for small capillary numbers”APS DFD San Diego, November 2012.
  72. A. Ramachandran, “A macrotransport equation for the flow of a concentrated suspension of non-colloidal particles through a capillary tube”, AIChE, Pittsburgh, 2012.
  73. A. Ramachandran, "Augmentation of mass transport of solutes in flowing suspensions due to secondary currents driven by second normal stress differences", AIChE, Pittsburgh, 2012.
  74. A. Zrehen and A. Ramachandran, "Demonstration of secondary currents in the pressure-driven flow of a concentrated suspension through a square conduit", International Congress of Rheology, Lisbon, August 2012.
  75. A. Zrehen and A. Ramachandran, "Demonstration of secondary currents in the pressure-driven flow of a concentrated suspension through a square conduit", APS, Boston, March 2012.
  76. A. Ramachandran, K. Tsigklifis, A. Roy and L. G. Leal, "The effect of interfacial slip on the stretching, relaxation and breakup of a drop in a uniaxial extensional flow" , SOR, October 2011, Cleveland, Ohio.
  77. L. G. Leal and A. Ramachandran, "A scaling theory for the hydrodynamic interaction between a pair of vesicles or capsules", Annual meeting of APS-DFD, November 2010, Long Beach, California.
  78. A. Ramachandran and L. G. Leal, "The effect of vesicle deformability on the adhesive interactions between vesicles", Society of Rheology meeting, October 2010, Santa Fe, New Mexico.
  79. A. Ramachandran and L. G. Leal, "A scaling theory for the hydrodynamic interaction between a pair of vesicles or capsules", Society of Rheology meeting, October 2010, Santa Fe, New Mexico.
  80. L. G. Leal, A. Ramachandran, K. Tsiglifis, A. Roy, "The effect of slip at a fluid interface on coalescence between two viscous drops in a viscous fluid", US National Congress on Theoretical and Applied Mechanics, Pennsylvania, June 2010.
  81. A. Ramachandran, J. N. Israelachvili and L. Gary Leal, "Encapsulation of vesicles and particles by open bilayers: Statics and dynamics", AIChE, November 2009, Nashville, Tennessee.
  82. A. Ramachandran, K. Tsigklifis, A. Roy and L. G. Leal, "The effect of interfacial slip on the coalescence between two drops undergoing a head-on collision" , AIChE, November 2009, Nashville, Tennessee.
  83. A. Ramachandran and D. T. Leighton Jr., "A constitutive equation for unidirectional flows of a dilute suspension of deformable particles", Society of Rheology meeting, October 2009, Madison, Wisconsin.
  84. A. Ramachandran and L. G. Leal, "Numerical studies of the aspiration of small drops using a micropipette", Annual meeting of APS-DFD, November 2008, San Antonio, Texas.
  85. A. Ramachandran, L. G. Leal and J. N. Israelachvili, "The temporal evolution of vesicle dispersions", AIChE, November 2008, Philadelphia, Pennsylvania.
  86. A. Ramachandran and A. Khair, "The dynamics and rheology of a dilute suspension of hydrodynamically Janus particles", AIChE, November 2008, Philadelphia, Pennsylvania.
  87. A. Ramachandran and L. G. Leal, "The effect of shear on the size distribution in concentrated suspensions of non-neutrally buoyant vesicles", August 2008, Society of Rheology meeting, Monterey, California .
  88. A. Ramachandran and D. T. Leighton Jr., "A self-similar solution for the droplet distribution in the tube Poiseuille flow of a dilute emulsion", AIChE, November 2007, Salt Lake City, Utah.
  89. A. Ramachandran and D. T. Leighton Jr., "Structure, rheology and migration in concentrated suspensions", 233rd ACS National Meeting, Chicago, March 2007, Chicago, Illinois.
  90. A. Ramachandran and D. T. Leighton Jr., "The effect of second normal stress difference induced secondary currents on the concentration and velocity distributions for suspension flow in different geometries", AIChE, November 2006, San Francisco, California.
  91. A. Ramachandran and D. T. Leighton Jr., "Viscous miscible fingering in suspension flow: stability analysis in a rectangular slot", United States National Congress for Theoretical and Applied Mechanics, June 2006, Boulder, Colorado.
  92. A. Ramachandran and D. T. Leighton Jr., "Accumulation of particles behind an advancing meniscus: meniscus effects in a tube in the presence of gravity", AIChE, October 2005, Cincinnati, Ohio.
  93. A. Ramachandran and D. T. Leighton Jr., "Accumulation of particles behind an advancing meniscus: viscous miscible fingering in the converging parallel plate geometry", AIChE, October 2005, Cincinnati, Ohio.
  94. A. Ramachandran and D. T. Leighton Jr., "Flow behind an advancing meniscus: geometries leading to meniscus depletion", AIChE, November 2004, Austin, Texas.
  95. A. Ramachandran and D. T. Leighton Jr., "On the accumulation of particles behind an advancing meniscus: the effect of cross-section geometry", AIChE, November 2003, San Francisco, California.

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