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Sachin Velankar

Professor
Associate Professor
Visit Dr. Velankar's Group Website Chem/Petroleum Engineering

about

(2009) ASEE Air Force Summer Faculty Fellowship.

(2008) MPE2 Best Mentor Award, University of Pittsburgh.

(2006) Faculty Honor Roll, Dept. of Chemical Engineering, University of Pittsburgh.

(2004) NSF-CAREER award.

(1999 - 2001) Research Council Junior Fellowship, Katholieke Universiteit Leuven, Belgium.

(1997 - 1998) University Competitive Fellowship, University of Delaware.

(1997) Graduate Teaching Fellowship Award, Department of Chemical Engineering, University of Delaware, Spring 1997.

(1996) R.L. Pigford Teaching Assistant Award, University of Delaware.

(1996) University of Delaware Excellence in Teaching Award.

Ph.D., Chemical Engineering, University of Delaware, 1999

B.S., Chemical Engineering, Indian Insitute of Technology, 1993

Breid, D., Lai, V., Flowers, A.T., Guan, X., Liu, Q., & Velankar, S.S. (2021). Drop Spreading and Confinement in Swelling-Driven Folding of Thin Films. Langmuir, 37(23), 6985-6994.American Chemical Society (ACS). doi: 10.1021/acs.langmuir.1c00520.

DILLY, A.S.H.O.K.K., HONICK, B.R.E.N.D.O.N.D., FREDERICK, R.O.B.I.N., ELAPAVALURU, A.N.U.L.E.K.A., VELANKAR, S.A.C.H.I.N., MAKALA, H.I.M.A., HITCHENS, T.K.E.V.I.N., FOLEY, L.E.S.L.E.Y.M., GUO, J.I.A.N.X.I.A., BEUMER, J.A.N.H., RIGATTI, L.O.R.A.H.E.A.T.H.E.R., LEE, Y.O.N.G.J., BARTLETT, D.A.V.I.D.L., & CHOUDRY, H.A.R.O.O.N.A. (2021). Improved chemosensitivity following mucolytic therapy in patient-derived models of mucinous appendix cancer. TRANSLATIONAL RESEARCH, 229, 100-114.Elsevier BV. doi: 10.1016/j.trsl.2020.10.005.

Ramachandran, R.G., de Cortie, J., Maiti, S., Deseri, L., & Velankar, S.S. (2021). Uniaxial stretch-release of rubber-plastic bilayers: Strain-dependent transition to stable helices, rolls, saddles, and tubes. Extreme Mechanics Letters, 48, 101384.Elsevier BV. doi: 10.1016/j.eml.2021.101384.

Xiang, S., Li, Z., Fritch, M.R., Li, L., Velankar, S., Liu, Y., Sohn, J., Baker, N., Lin, H., & Tuan, R.S. (2021). Caveolin-1 mediates soft scaffold-enhanced adipogenesis of human mesenchymal stem cells. STEM CELL RESEARCH & THERAPY, 12(1), 347.Springer Science and Business Media LLC. doi: 10.1186/s13287-021-02356-z.

Yang, J., Shen, A., & Velankar, S.S. (2021). The preparation and thermomechanical properties of high-temperature foams based on thermoplastic poly(phthalazinone ether ketone). JOURNAL OF APPLIED POLYMER SCIENCE, 138(3), 49699.Wiley. doi: 10.1002/app.49699.

Amoabeng, D., Tempalski, A., Young, B.A., Binks, B.P., & Velankar, S.S. (2020). Fumed silica induces co-continuity across a wide composition range in immiscible polymer blends. POLYMER, 186, 121831.Elsevier BV. doi: 10.1016/j.polymer.2019.121831.

Herneisey, M., Salcedo, P.F., Domenech, T., Bagia, C., George, S.S., Tunney, R., Velankar, S., Hitchens, T.K., & Janjic, J.M. (2020). Design of Thermoresponsive Polyamine Cross-Linked Perfluoropolyether Hydrogels for Imaging and Delivery Applications. ACS MEDICINAL CHEMISTRY LETTERS, 11(10), 2032-2040.American Chemical Society (ACS). doi: 10.1021/acsmedchemlett.0c00198.

Naranjo, J.D., Saldin, L.T., Sobieski, E., Quijano, L.M., Hill, R.C., Chan, P.G., Torres, C., Dziki, J.L., Cramer, M.C., Lee, Y.C., Das, R., Bajwa, A.K., Nossair, R., Klimak, M., Marchal, L., Patel, S., Velankar, S.S., Hansen, K.C., McGrath, K., & Badylak, S.F. (2020). Esophageal extracellular matrix hydrogel mitigates metaplastic change in a dog model of Barrett's esophagus. SCIENCE ADVANCES, 6(27), eaba4526.American Association for the Advancement of Science (AAAS). doi: 10.1126/sciadv.aba4526.

Naranjo, J.D., Saldin, L.T., Sobieski, E., Quijano, L.M., Hill, R.C., Chan, P.G., Torres, C., Dziki, J.L., Cramer, M.C., Lee, Y.C., Das, R., Bajwa, A.K., Nossair, R., Klimak, M., Marchal, L., Patel, S., Velankar, S.S., Hansen, K.C., McGrath, K., & Badylak, S.F. (2020). Esophageal extracellular matrix hydrogel mitigates metaplastic change in a dog model of Barrett's esophagus. Sci Adv, 6(27). doi: 10.1126/sciadv.aba4526.

Nath, N.N., Pocivavsek, L., Pugar, J.A., Gao, Y., Salem, K., Pitre, N., McEnaney, R., Velankar, S., & Tzeng, E. (2020). Dynamic Luminal Topography: A Potential Strategy to Prevent Vascular Graft Thrombosis. FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY, 8, 573400.Frontiers Media SA. doi: 10.3389/fbioe.2020.573400.

Nguyen, N., Nath, N., Deseri, L., Tzeng, E., Velankar, S.S., & Pocivaysek, L. (2020). Wrinkling instabilities for biologically relevant fiber-reinforced composite materials with a case study of Neo-Hookean/Ogden-Gasser-Holzapfel bilayer. BIOMECHANICS AND MODELING IN MECHANOBIOLOGY, 19(6), 2375-2395.Springer Science and Business Media LLC. doi: 10.1007/s10237-020-01345-0.

Patel, A., Sant, V., Velankar, S., Dutta, M., Balasubramanian, V., Sane, P., Agrawal, V., Wilson, J., Rohan, L.C., & Sant, S. (2020). Self-assembly of multiscale anisotropic hydrogels through interfacial polyionic complexation. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, 108(12), 2504-2518.Wiley. doi: 10.1002/jbm.a.37001.

Ramachandran, R.G., Maiti, S., & Velankar, S.S. (2020). Necking and drawing of rubber-plastic laminate composites: Finite element simulations and analytical model. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 142, 104012.Elsevier BV. doi: 10.1016/j.jmps.2020.104012.

Bellotti, E., Fedorchak, M.V., Velankar, S., & Little, S.R. (2019). Tuning of thermoresponsive pNIPAAm hydrogels for the topical retention of controlled release ocular therapeutics. JOURNAL OF MATERIALS CHEMISTRY B, 7(8), 1276-1283.Royal Society of Chemistry (RSC). doi: 10.1039/c8tb02976h.

Pocivavsek, L., Ye, S.H., Pugar, J., Tzeng, E., Cerda, E., Velankar, S., & Wagner, W.R. (2019). Active wrinkles to drive self-cleaning: A strategy for anti-thrombotic surfaces for vascular grafts. BIOMATERIALS, 192, 226-234.Elsevier BV. doi: 10.1016/j.biomaterials.2018.11.005.

Amoabeng, D., & Velankar, S.S. (2018). A Review of Conductive Polymer Composites Filled With Low Melting Point Metal Alloys. POLYMER ENGINEERING AND SCIENCE, 58(6), 1010-1019.Wiley. doi: 10.1002/pen.24774.

Amoabeng, D., & Velankar, S.S. (2018). Bulk soldering: Conductive polymer composites filled with copper particles and solder. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 553, 624-632.Elsevier BV. doi: 10.1016/j.colsurfa.2018.06.013.

Banerjee, J., Koronaios, P., Morganstein, B., Geib, S.J., Enick, R.M., Keith, J.A., Beckman, E.J., & Velankar, S.S. (2018). Liquids That Freeze When Mixed: Cocrystallization and Liquid-Liquid Equilibrium in Polyoxacyclobutane-Water Mixtures. MACROMOLECULES, 51(8), 3176-3183.American Chemical Society (ACS). doi: 10.1021/acs.macromol.8b00239.

Chido, M.T., Koronaios, P., Saravanan, K., Adams, A.P., Geib, S.J., Zhu, Q., Sunkara, H.B., Velankar, S.S., Enick, R.M., Keith, J.A., & Star, A. (2018). Oligomer Hydrate Crystallization Improves Carbon Nanotube Memory. CHEMISTRY OF MATERIALS, 30(11), 3813-3818.American Chemical Society (ACS). doi: 10.1021/acs.chemmater.8b00964.

Nasrollah Gavgani, J., Goharpey, F., Velankar, S., & Foudazi, R. (2018). Suppressing droplet coalescence and aggregation in immiscible homopolymer blends by interfacially cross-linked compatibilizers. Journal of Rheology, 62(5), 1217-1231.Society of Rheology. doi: 10.1122/1.5020961.

Pocivavsek, L., Pugar, J., O'Dea, R., Ye, S.H., Wagner, W., Tzeng, E., Velankar, S., & Cerda, E. (2018). Topography-driven surface renewal. NATURE PHYSICS, 14(9), 948-953.Springer Science and Business Media LLC. doi: 10.1038/s41567-018-0193-x.

Ramachandran, R.G., Hariharakrishnan, S., Fortunato, R., Abramowitch, S.D., Maiti, S., & Velankar, S.S. (2018). Necking and drawing of rubber-plastic bilayer laminates. SOFT MATTER, 14(24), 4977-4986.Royal Society of Chemistry (RSC). doi: 10.1039/c8sm00684a.

Yang, J., Heinichen, N., & Velankar, S.S. (2018). The effect of particle wettability on the of rheology particulate suspensions with capillary force. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 558, 164-170.Elsevier BV. doi: 10.1016/j.colsurfa.2018.08.062.

Amoabeng, D., Roell, D., Clouse, K.M., Young, B.A., & Velankar, S.S. (2017). A composition-morphology map for particle-filled blends of immiscible thermoplastic polymers. POLYMER, 119, 212-223.Elsevier BV. doi: 10.1016/j.polymer.2017.04.009.

Domenech, T., & Velankar, S.S. (2017). Microstructure, phase inversion and yielding in immiscible polymer blends with selectively wetting silica particles. JOURNAL OF RHEOLOGY, 61(2), 363-377.Society of Rheology. doi: 10.1122/1.4975931.

Keane, T.J., Dziki, J., Castelton, A., Faulk, D.M., Messerschmidt, V., Londono, R., Reing, J.E., Velankar, S.S., & Badylak, S.F. (2017). Preparation and characterization of a biologic scaffold and hydrogel derived from colonic mucosa. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, 105(2), 291-306.Wiley. doi: 10.1002/jbm.b.33556.

Lievano, D., Velankar, S., & McCarthy, J.J. (2017). The rupture force of liquid bridges in two and three particle systems. POWDER TECHNOLOGY, 313, 18-26.Elsevier BV. doi: 10.1016/j.powtec.2017.02.053.

Saldin, L.T., Cramer, M.C., Velankar, S.S., White, L.J., & Badylak, S.F. (2017). Extracellular matrix hydrogels from decellularized tissues: Structure and function. ACTA BIOMATERIALIA, 49, 1-15.Elsevier BV. doi: 10.1016/j.actbio.2016.11.068.

Yang, J., & Velankar, S.S. (2017). Preparation and yielding behavior of pendular network suspensions. JOURNAL OF RHEOLOGY, 61(2), 217-228.Society of Rheology. doi: 10.1122/1.4973962.

Yang, J., Damle, S., Maiti, S., & Velankar, S.S. (2017). Stretching-induced wrinkling in plastic-rubber composites. SOFT MATTER, 13(4), 776-787.Royal Society of Chemistry (RSC). doi: 10.1039/c6sm01823h.

Yang, J., Roell, D., Echavarria, M., & Velankar, S.S. (2017). A microstructure-composition map of a ternary liquid/liquid/particle system with partially-wetting particles. SOFT MATTER, 13(45), 8579-8589.Royal Society of Chemistry (RSC). doi: 10.1039/c7sm01571b.

Domenech, T., Yang, J., Heidlebaugh, S., & Velankar, S.S. (2016). Three distinct open-pore morphologies from a single particle-filled polymer blend. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 18(6), 4310-4315.Royal Society of Chemistry (RSC). doi: 10.1039/c5cp07576a.

Lobos, J., & Velankar, S. (2016). How much do nanoparticle fillers improve the modulus and strength of polymer foams?. Journal of Cellular Plastics, 52(1), 57-88.SAGE Publications. doi: 10.1177/0021955x14546015.

Lobos, J., Iasella, S., Rodriguez-Perez, M.A., & Velankar, S.S. (2016). Improving the stability of polylactic acid foams by interfacially adsorbed particles. POLYMER ENGINEERING AND SCIENCE, 56(1), 9-17.Wiley. doi: 10.1002/pen.24185.

Cai, Z., Kwak, D.H., Punihaole, D., Hong, Z., Velankar, S.S., Liu, X., & Asher, S.A. (2015). A Photonic Crystal Protein Hydrogel Sensor for Candida albicans. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 54(44), 13036-13040.Wiley. doi: 10.1002/anie.201506205.

Chatterjee, S., & Velankar, S.S. (2015). Reversibly texturing active surfaces with spatial and temporal control. JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, 26(3), 328-339.SAGE Publications. doi: 10.1177/1045389X14525492.

Chatterjee, S., McDonald, C., Niu, J., Velankar, S.S., Wang, P., & Huang, R. (2015). Wrinkling and folding of thin films by viscous stress. SOFT MATTER, 11(9), 1814-1827.Royal Society of Chemistry (RSC). doi: 10.1039/c4sm02501f.

Domenech, T., & Velankar, S.S. (2015). On the rheology of pendular gels and morphological developments in paste-like ternary systems based on capillary attraction. SOFT MATTER, 11(8), 1500-1516.Royal Society of Chemistry (RSC). doi: 10.1039/c4sm02053g.

Jaramillo, M., Singh, S.S., Velankar, S., Kumta, P.N., & Banerjee, I. (2015). Inducing endoderm differentiation by modulating mechanical properties of soft substrates. JOURNAL OF TISSUE ENGINEERING AND REGENERATIVE MEDICINE, 9(1), 1-12.Wiley. doi: 10.1002/term.1602.

Kulkarni, A., Lele, A., Sivaram, S., Rajamohanan, P.R., Velankar, S., & Chatterji, A. (2015). Star Telechelic Poly(L-lactide) Ionomers. MACROMOLECULES, 48(18), 6580-6588.American Chemical Society (ACS). doi: 10.1021/acs.macromol.5b01854.

Massensini, A.R., Ghuman, H., Saldin, L.T., Medberry, C.J., Keane, T.J., Nicholls, F.J., Velankar, S.S., Badylak, S.F., & Modo, M. (2015). Concentration-dependent rheological properties of ECM hydrogel for intracerebral delivery to a stroke cavity. ACTA BIOMATERIALIA, 27, 116-130.Elsevier BV. doi: 10.1016/j.actbio.2015.08.040.

Velankar, S.S. (2015). A non-equilibrium state diagram for liquid/fluid/particle mixtures. SOFT MATTER, 11(43), 8393-8403.Royal Society of Chemistry (RSC). doi: 10.1039/c5sm01901j.

Allen, J.J., Bell, G.R.R., Kuzirian, A.M., Velankar, S.S., & Hanlon, R.T. (2014). Comparative Morphology of Changeable Skin Papillae in Octopus and Cuttlefish. JOURNAL OF MORPHOLOGY, 275(4), 371-390.Wiley. doi: 10.1002/jmor.20221.

Domenech, T., & Velankar, S. (2014). Capillary-driven percolating networks in ternary blends of immiscible polymers and silica particles. RHEOLOGICA ACTA, 53(8), 593-605.Springer Science and Business Media LLC. doi: 10.1007/s00397-014-0776-0.

Heidlebaugh, S.J., Domenech, T., Iasella, S.V., & Velankar, S.S. (2014). Aggregation and Separation in Ternary Particle/Oil/Water Systems with Fully Wettable Particles. LANGMUIR, 30(1), 63-74.American Chemical Society (ACS). doi: 10.1021/la4039396.

Medberry, C.J., Crapo, P.M., Siu, B.F., Carruthers, C.A., Wolf, M.T., Nagarkar, S.P., Agrawal, V., Jones, K.E., Kelly, J., Johnson, S.A., Velankar, S.S., Watkins, S.C., Modo, M., & Badylak, S.F. (2013). Hydrogels derived from central nervous system extracellular matrix. BIOMATERIALS, 34(4), 1033-1040.Elsevier BV. doi: 10.1016/j.biomaterials.2012.10.062.

Nagarkar, S., & Velankar, S.S. (2013). Rheology and morphology of model immiscible polymer blends with monodisperse spherical particles at the interface. JOURNAL OF RHEOLOGY, 57(3), 901-926.Society of Rheology. doi: 10.1122/1.4801757.

Peng, S.C., Nagarkar, S.P., Lowen, J.L., & Velankar, S.S. (2013). Circuit model for microfluidic bubble generation under controlled pressure. MICROFLUIDICS AND NANOFLUIDICS, 15(6), 797-805.Springer Science and Business Media LLC. doi: 10.1007/s10404-013-1189-6.

Zhang, J.T., Wang, L., Chao, X., Velankar, S.S., & Asher, S.A. (2013). Vertical spreading of two-dimensional crystalline colloidal arrays. JOURNAL OF MATERIALS CHEMISTRY C, 1(38), 6099-6102.Royal Society of Chemistry (RSC). doi: 10.1039/c2tc00794k.

Nagarkar, S.P., & Velankar, S.S. (2012). Morphology and rheology of ternary fluid-fluid-solid systems. SOFT MATTER, 8(32), 8464-8477.Royal Society of Chemistry (RSC). doi: 10.1039/c2sm25758k.

Velankar, S.S., Lai, V., & Vaia, R.A. (2012). Swelling-Induced Delamination Causes Folding of Surface-Tethered Polymer Gels. ACS APPLIED MATERIALS & INTERFACES, 4(1), 24-29.American Chemical Society (ACS). doi: 10.1021/am201428m.

Wolf, M., Daly, K., Brennan-Pierce, E., Johnson, S., Carruthers, C., D'Amore, A., Nagarkar, S., Velankar, S., & Badylak, S. (2012). Extracellular Matrix Hydrogels Prepared from Porcine Dermis and UrinaryBladder: Structure, Mechanics and In Vivo Remodeling. GLYCOBIOLOGY, 22(11), 1585-1586.

Wolf, M.T., Daly, K.A., Brennan-Pierce, E.P., Johnson, S.A., Carruthers, C.A., D'Amore, A., Nagarkar, S.R., Velankar, S.S., & Badylak, S.F. (2012). A hydrogel derived from decellularized dermal extracellular matrix. BIOMATERIALS, 33(29), 7028-7038.Elsevier BV. doi: 10.1016/j.biomaterials.2012.06.051.

Zhang, J.T., Wang, L., Lamont, D.N., Velankar, S.S., & Asher, S.A. (2012). Fabrication of Large-Area Two-Dimensional Colloidal Crystals. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 51(25), 6117-6120.Wiley. doi: 10.1002/anie.201105439.

DeLeo, C., Pinotti, C.A., Goncalves, M.D.C., & Velankar, S. (2011). Preparation and Characterization of Clay Nanocomposites of Plasticized Starch and Polypropylene Polymer Blends. JOURNAL OF POLYMERS AND THE ENVIRONMENT, 19(3), 689-697.Springer Science and Business Media LLC. doi: 10.1007/s10924-011-0311-7.

DeLeo, C., Walsh, K., & Velankar, S.S. (2011). Effect of composition on the rheology and morphology of reactively-compatibilized model polymer blends. J. Rheology, 55, 713-731.

Fu, S., Thacker, A., Sperger, D.M., Boni, R.L., Buckner, I.S., Velankar, S., Munson, E.J., & Block, L.H. (2011). Relevance of Rheological Properties of Sodium Alginate in Solution to Calcium Alginate Gel Properties. AAPS PHARMSCITECH, 12(2), 453-460.Springer Science and Business Media LLC. doi: 10.1208/s12249-011-9587-0.

Fu, S., Thacker, A., Sperger, D.M., Boni, R.L., Velankar, S., Munson, E.J., & Block, L.H. (2011). Erratum: Rheological Evaluation of Inter-Grade and Inter-Batch Variability of Sodium Alginate. AAPS PharmSciTech, 12(1), 449.Springer Science and Business Media LLC. doi: 10.1208/s12249-010-9579-5.

DeLeo, C., Goetz, J., Young, B., & Velankar, S.S. (2010). Renewable Elastomers Based on Blends of Maleated Polypropylene and Plasticized Starch. JOURNAL OF APPLIED POLYMER SCIENCE, 116(3), 1775-1781.Wiley. doi: 10.1002/app.31662.

Fu, S., Thacker, A., Sperger, D.M., Boni, R.L., Velankar, S., Munson, E.J., & Block, L.H. (2010). Rheological Evaluation of Inter-grade and Inter-batch Variability of Sodium Alginate. AAPS PHARMSCITECH, 11(4), 1662-1674.Springer Science and Business Media LLC. doi: 10.1208/s12249-010-9547-0.

Thareja, P., Moritz, K., & Velankar, S.S. (2010). The effect of interfacially-adsorbed particles in polymer blends: Coalescence suppression vs. coalescence promotion. Rheol. Acta, 49, 285-298.

Thareja, P., Moritz, K., & Velankar, S.S. (2010). Interfacially active particles in droplet/matrix blends of model immiscible homopolymers: Particles can increase or decrease drop size. RHEOLOGICA ACTA, 49(3), 285-298.Springer Science and Business Media LLC. doi: 10.1007/s00397-009-0421-5.

Cheng, H.L., & Velankar, S.S. (2009). Controlled Jamming of Particle-Laden Interfaces Using a Spinning Drop Tensiometer. LANGMUIR, 25(8), 4412-4420.American Chemical Society (ACS). doi: 10.1021/la803552j.

Marhefka, J.N., Zhao, R., Wu, Z.J., Velankar, S.S., Antaki, J.F., & Kameneva, M.V. (2009). Drag reducing polymers improve tissue perfusion via modification of the RBC traffic in microvessels. BIORHEOLOGY, 46(4), 281-292.IOS Press. doi: 10.3233/BIR-2009-0543.

Muscatello, M.M.W., Stunja, L.E., Thareja, P., Wang, L., Bohn, J.J., Velankar, S.S., & Asher, S.A. (2009). Dependence of Photonic Crystal Nanocomposite Elasticity on Crystalline Colloidal Array Particle Size. MACROMOLECULES, 42(13), 4403-4406.American Chemical Society (ACS). doi: 10.1021/ma900919y.

Angeles, M., Cheng, H.L., & Velankar, S.S. (2008). Emulsion electrospinning: composite fibers from drop breakup during electrospinning. POLYMERS FOR ADVANCED TECHNOLOGIES, 19(7), 728-733.Wiley. doi: 10.1002/pat.1031.

Cheng, H.L., & Velankar, S.S. (2008). Film climbing of particle-laden interfaces. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 315(1-3), 275-284.Elsevier BV. doi: 10.1016/j.colsurfa.2007.08.018.

DeLeo, C., & Velankar, S.S. (2008). Rheology of immiscible blends with compatibilizer: Differences between diblocks and reactive compatibilizers. J. Rheology, 52, 1385-1404.

DeLeo, C.L., & Velankar, S.S. (2008). Morphology and rheology of compatibilized polymer blends: Diblock compatibilizers vs crosslinked reactive compatibilizers. JOURNAL OF RHEOLOGY, 52(6), 1385-1404.Society of Rheology. doi: 10.1122/1.2995857.

Freytes, D.O., Martin, J., Velankar, S.S., Lee, A.S., & Badylak, S.F. (2008). Preparation and rheological characterization of a gel form of the porcine urinary bladder matrix. BIOMATERIALS, 29(11), 1630-1637.Elsevier BV. doi: 10.1016/j.biomaterials.2007.12.014.

Freytes, D.O., Martin, J.D., Velankar, S.S., Lee, A.S., & Badylak, S.F. (2008). Preparation and characterization of an injectable form of the porcine Urinary Bladder Matrix. Biomaterials, 29, 1630-1637.

Marhefka, J.N., Velankar, S.S., Chapman, T.M., & Kameneva, M.V. (2008). Mechanical degradation of drag reducing polymers in suspensions of blood cells and rigid particles. BIORHEOLOGY, 45(5), 599-609.IOS Press. doi: 10.3233/BIR-2008-0511.

Marhefka, J.N., Velankar, S.S., Zhao, R., Wu, Z., Antaki, J.F., & Kameneva, M.V. (2008). Microscale effects of drag-reducing polymers. BIORHEOLOGY, 45(1-2), 58-59.

Martin, J., & Velankar, S.S. (2008). Varying the blending protocol to control the morphology of immiscible polymer blends with compatibilizer. AIChE J, 54, 791-801.

Martin, J., & Velankar, S.S. (2008). Unusual dynamics of PEG/PPG/Pluronic interfaces. J. Colloid Int. Sci., 322, 669-674.

Martin, J.D., & Velankar, S.S. (2008). Unusual behavior of PEG/PPG/Pluronic interfaces studied by a spinning drop tensiometer. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 322(2), 669-674.Elsevier BV. doi: 10.1016/j.jcis.2008.03.050.

Martin, J.D., & Velankar, S.S. (2008). Varying the blending protocol to control the morphology of model compatibilized polymer blends. AICHE JOURNAL, 54(3), 791-801.Wiley. doi: 10.1002/aic.11413.

Thareja, P., & Velankar, S. (2008). Rheology of immiscible blends with particle-induced drop clusters. Rheologica Acta, 47(2), 189-200.Springer Science and Business Media LLC. doi: 10.1007/s00397-007-0231-6.

Thareja, P., & Velankar, S.S. (2008). Pheological effects of particle-induced bridiging in PEO/PIB blends. Rheol. Acta, 47, 189-200.

Thareja, P., & Velankar, S.S. (2008). Interfacial activity of particles at PI/PDMS and PI/PIB interfaces: analysis based on Girifalco-Good theory. COLLOID AND POLYMER SCIENCE, 286(11), 1257-1264.Springer Science and Business Media LLC. doi: 10.1007/s00396-008-1884-0.

Thareja, P., Ising, B.P., Kingston, S.J., & Velankar, S.S. (2008). Polymer foams stabilized by particles adsorbed at the air/polymer interface. MACROMOLECULAR RAPID COMMUNICATIONS, 29(15), 1329-1334.Wiley. doi: 10.1002/marc.200800262.

Martin, J.D., & Velankar, S.S. (2007). Effects of compatibilizer on immiscible polymer blends near phase inversion. Journal of Rheology, 51(4), 669-692.Society of Rheology. doi: 10.1122/1.2742391.

Thareja, P., & Velankar, S. (2007). Particle-induced bridging in immiscible polymer blends. RHEOLOGICA ACTA, 46(3), 405-412.Springer Science and Business Media LLC. doi: 10.1007/s00397-006-0130-2.

Velankar, S.S., & Giles, D. (2007). How do I know my phase angles are correct. Rheol. Bulletin, 76(2), 8.

Adzima, B.J., & Velankar, S.S. (2006). Pressure drops for droplet flows in microfluidic channels. JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 16(8), 1504-1510.IOP Publishing. doi: 10.1088/0960-1317/16/8/010.

Wang, J., & Velankar, S. (2006). Strain recovery of model immiscible blends without compatibilizer. RHEOLOGICA ACTA, 45(3), 297-304.Springer Science and Business Media LLC. doi: 10.1007/s00397-005-0037-3.

Wang, J., & Velankar, S. (2006). Strain recovery of model immiscible blends: effects of added compatibilizer. RHEOLOGICA ACTA, 45(5), 741-753.Springer Science and Business Media LLC. doi: 10.1007/s00397-005-0038-2.

Martin, J., & Velankar, S. (2005). Interfacial tension-errors from the Cohen and Carriere analysis of imbedded fiber retraction. MACROMOLECULES, 38(25), 10614-10618.American Chemical Society (ACS). doi: 10.1021/ma050509k.

Van Hemelrijck, E., Van Puyvelde, P., Velankar, S., Macosko, C.W., & Moldenaers, P. (2004). Interfacial elasticity and coalescence suppression in compatibilized polymer blends. JOURNAL OF RHEOLOGY, 48(1), 143-158.Society of Rheology. doi: 10.1122/1.1634987.

Velankar, S., Van Puyvelde, P., Mewis, J., & Moldenaers, P. (2004). Steady-shear rheological properties of model compatibilized blends. JOURNAL OF RHEOLOGY, 48(4), 725-744.Society of Rheology. doi: 10.1122/1.1765662.

Velankar, S., Zhou, H., Jeon, H.K., & Macosko, C.W. (2004). CFD evaluation of drop retraction methods for the measurement of interfacial tension of surfactant-laden drops. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 272(1), 172-185.Elsevier BV. doi: 10.1016/j.jcis.2003.09.030.

Van Puyvelde, P., Velankar, S., Mewis, J., & Moldenaers, P. (2002). Effect of Marangoni stresses on the deformation and coalescence in compatibilized immiscible polymer blends. POLYMER ENGINEERING AND SCIENCE, 42(10), 1956-1964.Wiley. doi: 10.1002/pen.11088.

Velankar, S., & Moldenaers, P. (2002). Bidisperse polymeric mixtures for independent control of viscosity and elasticity. Rheologica Acta, 41(5), 418-426.Springer Science and Business Media LLC. doi: 10.1007/s003970100209.

Velankar, S.S., & Moldenaers, P. (2002). Bidisperse polymeric mixtures for independent control of viscosity and elasticity. Rheol. Acta, 41, 394-407.

Van Puyvelde, P., Velankar, S., & Moldenaers, P. (2001). Rheology and morphology of compatibilized polymer blends. CURRENT OPINION IN COLLOID & INTERFACE SCIENCE, 6(5-6), 457-463.Elsevier BV. doi: 10.1016/S1359-0294(01)00113-3.

Velankar, S., Van Puyvelde, P., Mewis, J., & Moldenaers, P. (2001). Effect of compatibilization on the breakup of polymeric drops in shear flow. JOURNAL OF RHEOLOGY, 45(4), 1007-1019.Society of Rheology. doi: 10.1122/1.1380424.

Velankar, S., & Cooper, S.L. (2000). Microphase separation and rheological properties of polyurethane melts. 3. Effect of block incompatibility on the viscoelastic properties. MACROMOLECULES, 33(2), 395-403.American Chemical Society (ACS). doi: 10.1021/ma9908189.

Velankar, S., & Cooper, S.L. (2000). Microphase separation and rheological properties of polyurethane melts. 2. Effect of block incompatibility on the microstructure. MACROMOLECULES, 33(2), 382-394.American Chemical Society (ACS). doi: 10.1021/ma990817g.

Velankar, S., & Cooper, S.L. (1998). Microphase separation and rheological properties of polyurethane melts. 1. Effect of block length. MACROMOLECULES, 31(26), 9181-9192.American Chemical Society (ACS). doi: 10.1021/ma9811472.

Velankar, S., Pazos, J., & Cooper, S.L. (1996). High-performance UV-curable urethane acrylates via deblocking chemistry. JOURNAL OF APPLIED POLYMER SCIENCE, 62(9), 1361-1376.Wiley. doi: 10.1002/(SICI)1097-4628(19961128)62:9<1361::AID-APP6>3.0.CO;2-F.

Velankar, S.S., & Coope, S.L. (1996). Polyurethanes with pendant pyridine groups: Interactions with alkyl halides. Abstr. Pap. Am. Chem. Soc.: Polymeric Chemistry, 211, 506.

Velankar, S.S., Pazos, J., & Cooper, S.L. (1995). UV-curable urethane-ureas with deblocking urea linkages. Abstr. Pap. Am. Chem. Soc.: Polymeric Materials Science and Engineering, 210, 400.

Amoabeng, D., Young, B.A., Tempalski, A., Binks, B.P., & Velankar, S.S. (2019). A composition-morphology mapping of fumed silica filled polymer blends. In Annual Technical Conference - ANTEC, Conference Proceedings, 2019-March.

Ramachandran, R.G., Maiti, S., & Velankar, S.S. (2019). A computational study of necking and drawing of plastic-rubber laminates. In Annual Technical Conference - ANTEC, Conference Proceedings, 2019-March.

Amoabeng, D., & Velankar, S.S. (2018). Exploiting capillary forces in filled plastics: Electrically conductive plastics by bonding copper filler with molten solder. In Annual Technical Conference - ANTEC, Conference Proceedings, 2018-May.

Amoabeng, D., & Velankar, S.S. (2018). Bulk soldering: Exploiting capillary forces to make plastics conductive. In Annual Technical Conference - ANTEC, Conference Proceedings, 2018-May.

Hariharakrishnan, S., Ramachandran, R., Abramowitch, S., Maiti, S., & Velankar, S.S. (2018). Suppression of necking in LLDPE/SEPS rubber bilayer laminates. In Annual Technical Conference - ANTEC, Conference Proceedings, 2018-May.

Amoabeng, D., Roell, D., Klouse, K., Young, B.A., & Velankar, S.S. (2017). A composition-morphology mapping of particle-filled polymer blends up to high fill fraction. In Annual Technical Conference - ANTEC, Conference Proceedings, 2017-May, (pp. 2081-2085).

Saldin, L.T., Cramer, M., Chung, C., Cardenas, D., Nicholls, F., Velankar, S.S., Modo, M., & Badylak, S.F. (2015). Rheological Characterization of an Extracellular Matrix Hydrogel as a Cell Carrier for Stroke Damage Repair. In TISSUE ENGINEERING PART A, 21, (pp. S353-S354).

Allen, J.J., Bell, G.R.R., Kuzirian, A.M., Velankar, S.S., & Hanlon, R.T. (2014). Functional morphology of changeable skin papillae in octopus and cuttlefish. In INTEGRATIVE AND COMPARATIVE BIOLOGY, 54, (p. E236).

Lobos, J., Iasella, S., Velankar, S., & Cellular, M.A.R.P. (2014). Improving thermoplastic foam stability in the molten state by interfacially-adsorbed particles. In Annual Technical Conference - ANTEC, Conference Proceedings, 3(January), (pp. 2535-2539).

Breid, D., Lai, V., Flowers, A.T., Vaia, R.A., & Velankar, S.S. (2012). Spontaneous formation and patterning of high aspect-ratio folds via swelling of bound films. In ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 244.

Nagarkar, S.P., & Velankar, S.S. (2012). Effect of interfacially-active particles on the structure and rheology of immiscible polymer blends. 244th Meeting of the American Chemical Society.Philadelphia PA.

DeLeo, C., Walsh, K., & Velankar, S. (2011). Effect of compatibilizer concentration and weight fraction on model immiscible blends with interfacial crosslinking. 81st annual meeting of the Society of Rheology.Madison WI. doi: 10.1122/1.3571549.

Forbes, M.J., Goetz, J.T., Young, B.A., Velankar, S., & Deleo, C. (2009). Effect of environmental exposure on materials based on blends of plasticized starch and polypropylene. In Annual Technical Conference - ANTEC, Conference Proceedings, 3, (pp. 1626-1630).

DeLeo, C.L., Velankar, S.S., Co, A., Leal, G.L., Colby, R.H., & Giacomin, A.J. (2008). Morphology and Rheology of Model Immiscible Blends with Interfacial Crosslinking. THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting.Monterey CA. doi: 10.1063/1.2964881.

Thareja, P., Velankar, S.S., Co, A., Leal, G.L., Colby, R.H., & Giacomin, A.J. (2008). Effect of Particles on Rheology and Morphology of Immiscible PI∕PDMS Polymer Blends. THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting.Monterey CA. doi: 10.1063/1.2964745.

Freytes, D.O., Kolman, S., Velankar, S.S., & Badylak, S.F. (2007). Rheological Properties of Extracellular Matrix Derived Gels. In ASME 2007 Summer Bioengineering Conference, (pp. 1027-1028).American Society of Mechanical Engineers. doi: 10.1115/sbc2007-176537.

Martin, J.D., & Velankar, S.S. (2007). Effects of compatibilizer on immiscible polymer blends near phase inversion. 78th Annual Meeting of the Society of Rheology.Portland ME. doi: 10.1122/1.2742391.

Martin, J., & Velankar, S. (2005). Mechanical properties of Peo/ Ppo/ pluronic interfaces. Annual Meeting of the AIChE.Cincinnati OH.

Velankar, S., Zhou, H., Jeon, H.K., & Macosko, C.W. (2003). Drop retraction methods to measure interfacial tension between compatibilized polymers. In Annual Technical Conference - ANTEC, Conference Proceedings, 2, (pp. 1597-1602).

Velankar, S., Yang, C.Z., & Cooper, S.L. (1996). Polyurethanes with pendant pyridine groups: Interactions with alkyl halides. 211th Meeting of the American Chemical Society.New Orleans LA.

Velankar, S., Yang, C.Z., & Cooper, S.L. (1996). Polyurethanes with pendant pyridine groups: Interactions with alkyl halides. In American Chemical Society, Polymer Preprints, Division of Polymer Chemistry, 37(1), (pp. 400-401).

Research interests

hydrogels
interfacial phenomena
polymers
rheology