Journal Publications

2017

[59] D. Lloyd, X. Liu, N. Boddeti, L. Cantley, R. Long, M.L. Dunn, J.S. Bunch, 2017, "Adhesion, stiffness and instability in atomically thin MoS2 bubbles", Nano Letters, 17, 5329-5334. [Link]

[58] F.J. Vernerey, R. Long, R. Brighenti, 2017, "A statistically-based continuum theory for polymer with transient networks", Journal of the Mechanics and Physics of Solids, 107, 1-20. [Link]

[57] L. Cox, X. Sun, C. Wang, N. Sowan, J.P. Killgore, R. Long, H.A. Wu, C.N. Bowman, Y. Ding, 2017, "Light-stimulated permanent shape reconfiguration in crosslinked polymer microparticles", ACS Applied Materials and Interfaces, 9, 14422-14428. [Link]

[56] M.D. Kern, Y. Qi, R. Long, M.E. Rentschler, 2017, "Characterizing adhesion between a micro-patterned surface and a soft synthetic tissue", Langmuir, 33, 854-864. [Link]

[55] K. Wang, Y. Zhao, D. Chen, B. Fan, Y. Lu, L. Chen, R. Long, J. Wang, J. Chen, 2017, "Specific membrane capacitance, cytoplasm conductivity and instantaneous Young's modulus of single tumour cells", Scientific Data, 4, 170015.[Link]

2016
[54] X. Sun, H.A. Wu, R. Long, 2016, "Thermomechanics of a temperature sensitive covalent adaptable polymer with bond exchange reactions", Soft Matter, 12, 8847-8860. [Link]

[53] R. Long, C.Y. Hui, 2016, "Fracture toughness of hydrogels: measurement and interpretation", Soft Matter, 12, 8069-8086. [Link]

[52] N.G. Boddeti, R. Long, M.L. Dunn, 2016, "Adhesion mechanics of graphene on textured substrates", International Journal of Solids and Structures, 97-98, 56-74. [Link]

[51] R. Long, M. Lefranc, E. Bouchaud, C.Y. Hui, 2016, "Large deformation effect in Mode-I crack opening displacement of an Agar gel: a comparison of experiment and theory", Extreme Mechanics Letters, 9, 66-73. [Link]

[50] S.R. Lavoie, R. Long, T. Tang, 2016, "A rate-dependent damage model for elastomer at large strain", Extreme Mechanics Letters, 8, 114-124. [Link]

[49] J. Guo#, R. Long#, K. Mayumi, C.Y. Hui, 2016, "Mechanics of a dual crosslink gel with dynamic bonds: steady state kinetics and large deformation effects", Macromolecules, 49, 3497-3507. [Link]

[48] L. Cox, J. Killgore, Z. Li, R. Long, A. Sanders, J. Xiao, Y. Ding, 2016, "Influences of substrate adhesion and particle size on the shape memory effect of polystyrene particles", Langmuir, 32, 3691-3698. [Link]

[47] T. Lengyel, Y. Qi, P. Schiavone, R. Long, 2016, "Interface crack between a compressible elastomer and a rigid substrate with finite slippage", Journal of the Mechanics and Physics of Solids, 90, 142-159. [Link]

[46] S.R. Lavoie, R. Long, T. Tang, 2016, "An adhesive zone model for polymeric interfaces", International Journal of Fracture, 197, 169-183. [Link]

[45] W. Liu, R. Long, 2016, "Constructing continuous strain and stress fields from spatially discrete displacement data in soft materials", Journal of Applied Mechanics, 83, 011006.[Link]

2015
[44] S.R. Lavoie, R. Long, T. Tang, 2015, "Rate dependent fracture of a double cantilever beam with combined bulk and interfacial dissipation", International Journal of Solid and Structures, 75-76, 277-286. [Link]

[43] R. Long, C.Y. Hui, 2015, "Crack tip fields in soft elastic solids subjected to large quasi-static deformation: a review", Extreme Mechanics Letters, 4, 131-155. [Link]

[42] R. Long, K. Mayumi, C. Creton, T. Narita, C.Y. Hui, 2015, "Rheology of a dual crosslink self-healing gel: theory and measurement using parallel-plate torsional rheometry", Journal of Rheology, 59, 643-665. [Link]

[41] Y. Zhao, D.Y. Chen, Y.N. Luo, F. Chen, X.T. Zhao, M. Jiang, W.T. Yue, R. Long, J.B. Wang, J. Chen, 2015, "Simultaneous characterization of instantaneous Young's modulus and specific membrane capacitance of single cells using a microfluidic system", Sensors, 15, 2763-2773. [Link]

2014
[40] R. Long#, K. Mayumi# (#: equal contribution), C. Creton, T. Narita, C.Y. Hui, 2014, "Time dependent behavior of a dual cross-linked self-healing gel: theory and experiments", Macromolecules, 47, 7243-7250. [Link]

[39] T. Liu, R. Long, C.Y. Hui, 2014, "The Energy release rate of a pressurized crack in soft elastic materials: effects of surface tension and large deformation", Soft Matter, 10, 7723-7729. [Link]

[38] T. Lengyel, R. Long, P. Schiavone, 2014, "Effect of interfacial slippage on the near-tip fields of an interface crack between a soft elastomer and a rigid substrate", Proceedings of the Royal Society A, 470, 20140497. [Link]

[37] R. Long, M.L. Dunn, 2014, "Channel cracks in atomic-layer and molecular-layer deposited multilayer thin film coatings", Journal of Applied Physics, 115, 233514. [Link]

[36] Y.N. Luo, D.Y. Chen, Y. Zhao, C. Wei, R. Long, J.B. Wang, J. Chen, 2014, "A constriction channel based microfluidic system enabling continuous characterization of cellular instantaneous Young's modulus", Sensors and Actuators B: Chemical, 202, 1183-1189. [Link]

[35] D.L. Romanyk, S.S. Liu, R. Long, J.P. Carey, 2014, "Considerations for determining relaxation constants from creep modeling of nonlinear suture tissue", International Journal of Mechanical Sciences, 85, 179-186. [Link]

[34] Y. Zhao, X.T. Zhao, D.Y. Chen, Y.N. Luo, M. Jiang, C. Wei, R. Long, W.T. Yue, J.B. Wang, J. Chen, 2014, "Tumor cell characterization and classification based on cellular specific membrane capacitance and cytoplasm conductivity", Biosensors and Bioelectronics, 57, 245-253. [Link]

2013
[33] N.G. Boddeti, X. Liu, R. Long, J. Xiao, J.S. Bunch, M.L. Dunn, 2013, "Graphene blister with switchable shapes controlled by pressure and adhesion", Nano Letters, 13, 6216-6221. [Link]

[32] R. Long, H.J. Qi, M.L. Dunn, 2013, "Thermodynamics and mechanics of photochemically reacting polymers", Journal of the Mechanics and Physics of Solids, 61, 2212-2239. [Link]

[31] M.S. Hall, R. Long, X. Feng, Y.L. Huang, C.Y. Hui, M. Wu, 2013, "Towards single cell traction microscopy within 3D collagen matrices", Experimental Cell Research, 319, 2396-2408. [Link]

[30] X. Liu, N.G. Boddeti, M.R. Szpunar, L. Wang, M.A. Rodriguez, R. Long, J. Xiao, M.L. Dunn, J.S. Bunch, 2013, "Observation of pull-in instability in graphene membranes under interfacial forces", Nano Letters, 13, 2309-2313. [Link]

[29] Y. Zhao, D. Chen, Y. Luo, H. Li, B. Deng, S.B. Huang, T.K. Chiu, M.H. Wu, R. Long, H. Hao, X. Zhao, W. Yue, J. Wang, J. Chen, 2013, "A microfluidic system for cell type classification based on cellular size-independent electrical properties", Lab on a chip, 13, 2272-2277. [Link]

[28] N.G. Boddeti, S. P. Koenig, R. Long, J. Xiao, J.S. Bunch, M.L. Dunn, 2013, "Mechanics of adhered, pressurized graphene blisters", Journal of Applied Mechanics, 80, 040909. [Link]

[27] R. Long, H.J. Qi, M.L. Dunn, 2013, "Modeling the mechanics of covalently-adaptable polymer networks with temperature-dependent bond exchange reactions", Soft Matter, 9, 4083-4096. [Link]

[26] E. Laprade, R. Long, J. Pham, J. Lawrence, T. Emrick, A. Crosby, C.Y. Hui, K.R. Shull, 2013, "Large deformation and adhesive contact studies of axisymmetric membranes", Langmuir, 29, 1407-1419. [Link]

[25] C.Y. Hui, R. Long, J. Ning, 2013, "Stress relaxation near the tip of a stationary Mode I crack in a poroelastic solid", Journal of Applied Mechanics, 80, 021014. [Link]

[24] Y. Zhao, D. Chen, H. Li, Y. Luo, B. Deng, S.B. Huang, T.K. Chiu, M.H. Wu, R. Long, H. Hu, J. Wang, J. Chen, 2013, "A microfluidic system enabling continuous characterization of membrane specific capacitance and cytoplasm conductivity of single cells in suspension", Biosensors and Bioelectronics, 43, 304-307. [Link]

2012
[23] J.B. Lee, S. Peng, Y.H. Roh, H. Funabashi, D. Yang, N. Park, E.J. Rice, L. Chen, R. Long, M. Wu, D. Luo, 2012, "A mechanical metamaterial made from DNA hydrogel", Nature Nanotechnology, 7, 816-820. [Link]

[22] M.S. Hall#, R. Long# (#: equal contribution), C.Y. Hui, M. Wu, 2012, "Mapping 3D stress and strain fields within a soft hydrogel using a fluorescence microscope", Biophysical Journal, 102, 2241-2250. [Link]

[21] R. Long, C.Y. Hui, 2012, "Crack buckling in soft gels under compression", Acta Mechanica Sinica, 28, 1098-1105. [Link]

[20] C.Y. Hui, R. Long, 2012, "A constitutive model for the large deformation of a self-healing gel", Soft Matter, 8, 8029-8216. [Link]

[19] C.Y. Hui, R. Long, 2012, "Direct extraction of work of adhesion from contact experiments: generalization of JKR theory to flexible structures and large deformation", Journal of Adhesion, 88, 70-85. [Link]

[18] R. Long, C.Y. Hui, A. Jagota, M. Bykhovskaia, 2012, "Adhesion energy can regulate vesicle fusion and stabilize partially fused states", Journal of Royal Society Interface, 9, 1555-1567. [Link]

[17] R. Long, C.Y. Hui, 2012, "Axisymmetric membrane in adhesive contact with rigid substrates: analytical solutions under large deformation", International Journal of Solid and Structures, 49, 672-683. [Link]

2011
[16] R. Long, M.S. Hall, M. Wu, C.Y. Hui, 2011, "Effects of gel thickness on microscopic indentation measurement of gel modulus", Biophysical Journal, 101, 643-650. [Link]

[15] R. Long, C.Y. Hui, 2011, "Effects of finite chain extensibility on the stress fields near the tip of Mode III crack", Proceedings of the Royal Society A, 467, 3170-3187. [Link]

[14] C.Y. Hui, R. Long, K.J. Wahl, R.K. Everett, 2011, "Barnacles resist removal by crack trapping", Journal of Royal Society Interface, 8, 868-879. [Link]

[13] C.Y. Hui, A. Ruina, R. Long, A. Jagota, 2011, "Cohesive zone models and fracture", Journal of Adhesion, 87, 1-52. [Link]

[12] R. Long, V. R. Krishnan, C.Y. Hui, 2011, "Finite strain analysis of crack tip fields in incompressible hyperelastic solids loaded in plane stress", Journal of the Mechanics and Physics of Solids, 59, 672-695. [Link]

2010 and Earlier
[11] R. Long, K. R. Shull, C.Y. Hui 2010, "Large deformation adhesive contact mechanics of circular membranes with a flat rigid substrate", Journal of the Mechanics and Physics of Solids, 58, 1225-1242. [Link]

[10] R. Long, C.Y. Hui, W. Cheng, M. Campolongo, D. Luo, 2010, "Size effect on failure of pre-stretched free standing nanomembranes", Nanoscale Research Letters, 5, 1236-1239. [Link]

[9] R. Long, C.Y. Hui, 2010, "Effects of triaxiality on the growth of crack-like cavities in soft incompressible elastic solids", Soft Matter, 6, 1238-1245. [Link]

[8] A. Cristiano, A. Marcellan, R. Long, C.Y. Hui, J. Stolk, C. Creton, 2010, "An experimental investigation of fracture by cavitation of model elastomeric networks", Journal of Polymer Science B: Polymer Physics, 48, 1409-1422. [Link]

[7] W. Cheng, M.R. Hartman, D.M. Smilgies, R. Long, M.J. Campolongo, R. Li, K. Sekar, C.Y. Hui, D. Luo, 2010, "Probing in Real-Time the Soft Crystallization of DNA-Capped Nanoparticles", Angewandte Chemie International Edition, 49, 380-384. [Link]

[6] S. Vajpayee, R. Long, L. Shen, A. Jagota, C.Y. Hui, 2009, "Effect of rate on adhesion and static friction of a film-terminated fibrillar interface", Langmuir, 25, 2765-2771. [Link]

[5] R. Long, C.Y. Hui, 2009, "The effect of preload on the pull-off force in indentation tests of microfibre arrays", Proceedings of the Royal Society A, 465, 961-981. [Link]

[4] V. R. Krishnan, C.Y. Hui, R. Long, 2008, "Finite strain crack tip fields in soft incompressible elastic solids", Langmuir, 24, 14245-14253. [Link]

[3] R. Long, C.Y. Hui, S. Kim, M. Sitti, 2008, "Modeling the soft backing layer thickness effect on adhesion of elastic microfiber arrays", Journal of Applied Physics, 104,044301. [Link]

[2] S. Kim, M. Sitti, C.Y. Hui, R. Long, A. Jagota, 2007, "Effect of backing layer thickness on adhesion of single-level elastomer fiber arrays", Applied Physics Letters, 91, 161905. [Link]

[1] H.A. Wu, R. Long, X.X. Wang, F.C. Wang, 2007, "Elastic interaction between a string of cells and an individual cell", Chinese Physics Letters, 24, No.5, 1047-1049. [Link]