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 H. Ralph Rawls, Ph.D.Professor and Head, Division of Biomaterials Department of Restorative Dentistry
Educational Background:
Areas of Research Interest: Selected Publications: Chan KS, Lee Y-D, Nicolella DP, Furman BR, Wellinghoff S, And Rawls HR, "Improving fracture toughness of dental nanocomposites by interface engineering and micromechanics." Eng Frac Mech 74: 1857-1871, 2007. Lee V, Rawls HR. "Compliant phase reduces polymerization shrinkage in dental composite resin." J Appl Polymer Sci 97(6): 2306-2310, Sept. 2005 Satsangi N, Rawls HR and Norling BK. "Synthesis of low-shrinkage polymeriziable liquid-crystal monomers." J Biomed Mater Res B (Appl Biomater) 71B(1): 153-158, 2004. Wellinghoff ST, H Dixon, HR Rawls and BK NOrking. compostites made using functionalized nanoparticles. (US Patent 6,743,936), June 1, 2004 Wellinghoff ST, H Dixon, HR Rawls and BK Norling. Funtionalized Nanoparticles. (US Patent 6,696,585), Feb 24, 2004. Wellinghoff ST, H Dixon, HR Rawls and BK Norling, Methods of Dental Repair Using Funtionalized Nanoparticles. (US Patent 6,695,617), Feb 2004. Rawls, H.R., Polymer Science, Chaper 7, Phillips' Science of Dental Materials, 11th ed., K. Anusavice, ed., WB Saunders, NY, pp143-169, 2003. Rawls, H.R., and Esquivel-Upshaw, J., Restorative Resins, Chapter 15, Phillips' Science of Dental Materials, 11th ed., K. Anusavice, ed., WB Saunders, NY, pp 399-441, 2003. Wellinghoff, S.T., H. Dixon, H.R. Rawls and B.K. Norling. Metal oxide compostions, composites thereof and methods (US Patent 6,417,244) July 9, 2002. Park Y-J., Hwang K-S., song J-E., Ong J.L., Rawls H.R. "Growth of calcium phosphate on poling treated ferroelectric BaTiO3 ceramics" Biomaterials 23: 3859-3864, 2002. Wellinghoff ST, Nicolella DP, Hanson DP, Rawls HR, Norling BK, Photopolymerizable liquid crystal monomer-oxide nanoparticle composites, Proc IMECE2002, 4367, New Orleans, 2002. Yamashita J., Li X., Furman B.R., Rawls H.R., Wang X., Agrawal C.M., "Collagen and bone viscoelasticity: a dynamic mechanical analysis." J Biomed Mater Res (Appl Biomater) 63: 31-36, 2002. Lyles M.B., Cameron I.L., Rawls H.R., "Structural Basis for the Binding Affinity of Xanthines with the DNA Intercalator Acridine Orange." J Med Chem 44(26): 5650-5660, 2001. Yamashita J., Furman B.R., Rawls H.R., Wang X., Agrawal C.M., "The use of dynamic mechanical analysis to assess the viscoelastic properties of human cortical bone." J Biomed Mater Res (Appl Biomater) 58: 47-53, 2001. Furman B.R., Rawls H.R., Wellinghoff S.T., Dixon H., Nicolella D., "Metal-Oxide Nanoparticles for the Reinforcement of dental Restorative Resins." Critical Rev Biomed Engr 28: 439-443 (2000). Park, Y-J., K.-H. chae and H.R. Rawls. Development of new photoinitiation system for dental light-cure composite resins. Dental Materials 15: 120-127, 1999. Chan, D.C.N., H.W. Titus, K.-H. Chung, H. Dixon, S.T. Wellinghoff and H.R. Rawls. Radiopacity of tantalum oxide nanoparticle filled resins. Dental Materials 15: 219-222, 1999. Wellinghoff, S.T., H. Dixon, D.P. Nicolella, B.K. Norling and H.R. Rawls. Metal oxide nanoparticle-polymer composites: structure property relationships, dental, and other applications. In Fine, ultrafine and nano powders, Business Communications Co. Inc., Norwalk, CT, 1998. Rawls, H.R., Wellinghoff, V.T., Norling, B.K., and Wellinghoff, S.T. low shrinkage resins from liquid crystal diacrylate monomers, Am. Chemical Soc. Polymer Preprints (1997). Rawls, H.R., Granier, R.J., Smid, J., Cabasso, I. Thermomechanical investigation of poly(methylmethacrylate) containing an organiobismuth radiopacifying additive. J Biomed Materials Res 31: 339-343, 1996. Contact Information: University of Texas Health Science Center Phone: 210-567-6871 Fax: 210-567-3669 rawls@uthscsa.edu
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