Publications

Articles in Peer-Reviewed Journals:

Papers Published and In Press:

Santos, M. J. M. C., Driessen, C.H., De Freitas, A. P., Rizkalla, A. S. and Santos Jr., G. C., (2012) “In Vitro Shear Bond Strength of Resin-Based Luting Cements to Dentin.” General Dentistry, 60 (4) 215-20.
Sprinath, D., Shigang, L., Rizkalla, A. S., Mequanint, K., (2012), “Fibrous Biodegradable L- Alanine Based Scaffold for Vascular Tissue Engineering.” Accepted for publication in Tissue Engineering and Regenerative Medicine.
Allo, B. A., Costa, D. O., Dixon, S. J., Mequanint, K. And Rizkalla, A. S., (2012) “Bioactive and Biodegradable Nanocomposites and Hybrid Biomaterials for Bone Regeneration.” J. Funct. Biomater., 3, 432-462.
Costa, D.O., Dixon, S. J. and Rizkalla, A. S., (2012) “One-and Three Dimensional Growth of Hydroxyapatite Nanowires during Sol-Gel Hydrothermal Synthesis.” ACS Applied Materials and Interfaces, 4, 1490-99.
Costa, D.O., Allo, B.A., Klassen, R., Hutter, J.L., Dixon, S.J. and Rizkalla, A.S., (2012) “Synthesis and Characterization of Novel Biomimetic Calcium Phosphate Coatings with Controlled Surface Topographies”. In Press Langmuir.
Bapoo, H., Rizkalla, A.S., Santos, M.J. (2011) “Effect of Dedntin Cleaning Techniques on the Shear Bond Strength of Self Adhesive Resin”. In Pres Operative Dentistry.
Nong, Z., O’Neil, C., Lei, M., Gros, R., Rizkalla, A. S., Mequanint, K., Li, S., Frontini, M. J., Fang, O. and Pichering, J. G. (2011) “Type I Collagen Cleavage is Essential for Effective Fibrotic Repair Following Myocardial Infarction”. Am. J. of Pathology, In Press.
Passos, S. P., Santos, M.J.C.M., El Mowafi, O., Rizkalla, A. S. and Santos Jr, G.C. (2011) Diametral Tensile Strength of Composite Core Materials with Cured and Uncured Fiber Posts”. General Dentistry, 59, (2), 125-28.
Dreissen, C. H., Santos, Jr, G. C. and Rizkalla, A. S. (2011) “Diametral Tensile Strength of Four Composite Resin Core Materials with and without Centered Fiber Dowels”. General Dentistry, In Press.
Santos, M.J.C.M., Driessen, C.H., Freitas, A.P., Rizkalla, A.S. and Santos Jr, G.C. (2011) “In Vitro Sgear Bond Strength of Resi-Based Luting Cements to Dentin”. General Dentistry, In Press.
Sui, R., Rizkalla, A. S. and Charpentier, P. A., “Experimental Study on the Morphology and Porosity of TiO2 Aerogels synthesized in Supercritical Carbon Dioxide”. Accepted for publication in Microporous and Mesoporous Materials, January, 2011
Dreissen, C. H., Ji, D. Y-J, Rizkalla, A. S. and Santos Jr, G. C., (2011) “Diametral Tensile Strength of Core Composite Material with Cured and Uncured Fiber Posts”. General Dentistry, Nov/Dec, 219-223.
Mohammadi, H., Bahramian, H. and Rizkalla, A. S., (2010) “A Numerical Technique to Evaluate Flexural Stiffness of Long Bones Affected by Cracks and Porosities”. Journal of Mechanics in Medicine and Biology, 0(1), 1-39.
Allo, B. A., Rizkalla, A. S. and Mequanint, K., (2010) “Synthesis and Electrospinning of e-Polycaprolactone-Bioactive Glass Hybrid via Sol-Gel Process, Langmuir, 26(23), 18340-18348.
Passos, S.P., Santos, MJMC, El Mowafy, O., Rizkalla, A. S. and Santos Jr, G. C., “Diametral Tensile Strength of Composite Core Materials of Cured and Uncured Fiber Posts”. Accepted for publication in General Dentistry, June, 2010.
Karimi, P., Rizkalla, A. S. and Mequanint, K. (2010) “Versatile Biodegradable Poly (Ester Amide)s Derived from a-Amino Acids for Vascular Tissue Engineering”. Materials, 3, 2346-2368.
Khaled, S. M. Z., Charpentier, P. A. and Rizkalla, A. S. (2010)“Synthesis and Characterization of PMMA Based Experimental Bone Cements Reinforced with TiO2-SrO Nanotubes” Acta Biomaterialia,6(8), 3178-3186.
Khaled, S. M. S., Charpentier, P. A. and Rizkalla, A. S. (2010) “Physical and Mechanical Properties of PMMA Bone Cement Reinforced with Nano-Sized Titania Fibers” J. of Biomaterials Application. Published on line before print Mar 5, 2010, doi: 10.1177/0885328209356944.
Chan, W. D., Goldberg, H. A., Hunter, G. K., S. J. Dixon and Rizkalla, A. S., (2010) Modification of Polymer Networks with Bone Sialoprotein Promotes Cell Attachment and Spreading“, J. Biomed.Mater. Res. Part A 94A, 945-952
Khaled, S. M. Z., Miron, R. J., Hamilton, D. W., Charpentier, P. A., and Rizkalla, A. S., (2009) “Reinforcement of Resin Based Cement with Titania Nanotubes”, Dent. Mater. 26 (2), pp. 169-178.
Chan, W. D., Perinpanayagam, H., Goldberg, H. A., Hunter, G. K., Dixon, S. J. and Rizkalla, A. S., (2009) “Tissue Engineering Scaffolds for the regeneration of Craniofacial Bone” J. Can. Dent. Assoc. 75 (5), pp. 373-377.
Santos, Jr., G. C., Santos, M. J. M. C., and Rizkalla, A. S., (2009) “Adhesive Cementation of Etchable Ceramic Esthetic Restorations” J. Can. Dent. Assoc. 75 (5), pp. 379-384.
Sui, R., Rizkalla, A. S., Charpentier, P. A., (2008) “Kinetics Study on the Sol-Gel Reactions in Supercritical CO2 by using in situ ATR-FTIR Spectroscopy: Crystal Growth and Design 8 (8), pp. 3024-3031
Alibeik, S., Sheardown, H., Rizkalla, A. S. and Mequanint, K., (2007) “Protein Adsorption and Platelet Adhesion onto Ion-Containing Polyurethanes”. ”Journal of Biomaterials Science: Polymer Edition 18 (9), pp. 1195-1210.
Alibeik, S., Rizkalla, A. S. and Mequanint, K., (2007) “The Effect of Thiolation on the Mechanical and Protein Adsorption Properties of Polyurethanes.” European Polymer Journal 43 (4), pp. 1415-1427.
Khaled, S. M., Charpentier, P. A. and Rizkalla, A. S., (2007) “Synthesis of TiO2-PMMA Nanocomposite using Methacrylic Acid as a Coupling Agent” Langmuir. 23 (7), pp. 3988-3995.
Sui, R., Rizkalla, A. S. And Charpentier, P. A., (2006) “FTIR Study on the Formation of TiO2 Nanostructures in Supercritical CO2.” J. Phys. Chem. B, 110(33), 16212-16218.
Sui, R., Rizkalla, A. S. And Charpentier, P. A., (2006) “Direct Synthesis of Zirconia Aerogel Nanostructure in Supercritical CO2.” Langmuir, 22(9), 4390-4396.
Sui R., Charpentier, P. A., Rizkalla, A. S. and Jennings, M. C., 2006, “Hexaxis (m- aceto-k2O, O1) hxaisotropoxy-hexa-m3 OxO-hexatitanium”, Acta Cryst., EG2, m373-m375
Koleganova, V. A., Bernier, S. M., Dixon, S. J. and Rizkalla, A. S., 2006,“Bioactive Glass/Polymer Composite Materials with Mechanical Properties Matching those of Cortical Bone”, J. of Biomed. Mater. Res., Part A 77A(3), 572-579
Chan, W. D., Yang, L., Wan, W. K and Rizkalla, A. S., 2006, “Fluoride Release from Dental Cements and Composites: A Mechanistic Study”, Dental Mater.:, 22(4), 366-373
Sui, R., Rizkalla, A. S., and Charpentier, 2005, “Formation of Titania Nanofibers: A Direct Sol-Gel Route in Supercritical CO2”, Langmuir, 21(14), 6150-6153.
Sui, R., Rizkalla, A.S. and Charpentier, P., 2004, “Synthesis and Formation of Silica Aerogel by Novel Sol-Gel Route in Supercritical Carbon Dioxide, J. Phys. Chem. B (108), 11886-11892.
Rizkalla, A. S. and Jones, D. W., 2004, “Indentation Fracture Toughness and Dynamic Elastic Moduli for Commercial Feldspathic Dental Porcelain Materials.” Dent. Mater.: (20), 198-206
Rizkalla, A. S. and Jones, D. W., 2004 “Mechanical properties of Commercial High Strength Ceramic Core Materials.” Dent. Mat. (20), 207-212.
Price, R.B., Rizkalla, A.S. and Hall, G.C., 2000, “Effect of Stepped Light Exposure on the Volumetric Polymerization Shrinkage and Bulk Modulus of Four Commercial Dental Composites and an Experimental Unfilled Resin.” American Journal of Dentistry (13), 176-180
Price, R.B., Bannerman, R.A., Rizkalla, A.S. and Hall, G.C., 2000, “Effect of Stepped Light Exposure on the 10 Minute and 24 Hour Bond Strength of Three Dentin Bonding Systems.” American Journal of Dentistry (13), 123-128.
Tyas, M.J., Jones, D.W. and Rizkalla, A.S., 1998, The “Evaluation of Resin Composite Consistency.” Dent. Mater. 14, 424-428.
Rizkalla, A.S. and Jones, D.W., 1997, "Differential Thermal Analysis of Experimental Ion Leachable Glasses." Br. Ceram. Trans. J, 96 (2), 57-60.
Rizkalla, A.S., Jones, D.W. and Hall, G.C., 1997, "Synthesis of Experimental Biomedical Glass Cement Forming systems." Br. Ceram., Trans. J., 96 (1), 16-20.
Rizkalla, A.S., Jones, D.W. and Miller, R.P., 1996, "Parameters Controlling the Indentation Fracture Toughness Values for Na2O-K2O-SiO2 Glasses". Br. Ceram., Trans. J., 95 (6), 250-53.
Rizkalla, A.S., Jones, D.W., and Miller, R.P., 1996, “Evaluation of Indentation Fracture Toughness Methods for Glass Biomaterials”. Br. Ceram., Trans. J., 95 (4), 151-56.
Rizkalla, A.S., Jones, D.W., Clarke, D.B., and Hall, G.C., 1996, "Crystallization of Experimental Bioactive Glass/Ceramic Systems". J. of Biomed. Mater. Res., 32, 119-124.
Jones, D.W. and Rizkalla, A S., 1996, "Characterization of Experimental Composite Biomaterials". Journal of Applied Biomaterials Research (Applied Biomaterials), 33, 89-100.
Sutow, E.J., Foong, W.C., Rizkalla, A.S., Jones, D.W. and Power, N.L., 1994, "Mercury Vapor Suppression by Various Liquid Media". J. Oral Rehabil. , 21, 553-558.
King, H.W., Payzant, E.A., Jones, D.W. and Rizkalla, A.S., 1993, "Formation of Crystalline Phases in Glass-Ceramics Based on SiO2-Al2O3-AlPO4-CaF2-AlF3-NaF". J. Can. Ceram. Soc. 62, 4, 248-52.
Rizkalla, A.S., Jones, D.W., Hall, G.C. and Sutow, E.J., 1992,"Limits to the Incorporation of K2O in Feldspathic Glasses".Br. Ceram. Trans. J., 91, 41- 44.
Rizkalla, A.S., Jones, D.W. and Sutow, E.J., 1992, "Effect of Nonbridging Oxygens on the Fracture Toughness of Synthesized Glasses". Br. Ceram. Trans. J., 91, 12-15.
Sterrett, J.D., Delaney, B., Rizkalla, A.S. and Hawkins, C.H., 1991, "Optimal Citric Acid Concentration for Dentinal Demineralization". Quintessence International, 22, 371-5.
Jones, D.W., Rizkalla, A.S., Johnson, J.A. and Sutow, E.J., 1991, “Effects of Composition on Selected Physical Properties of SiO2-K2O-Na2O Glasses”. J. Mater. Sci., 26, 6501-6.
Rizkalla, A.S., Jones, D.W., Hall, G.C. and Sutow, E.J., 1991, "Composition of Feldspathic Glass Synthesized by Sol- Gel". Br. Ceram. Trans. J., 90, 81-84.
Rizkalla, A.S., Jones, D.W., Hall, G.C., King, H.W. and Sutow, E.J., 1991, "The Influence of Spray - and Freeze - Drying Preparation Methods on the Chemical Compositions of Six Feldspathic Glass Formulations". Br. Ceram. Trans. J., 90, 1-8.
King, H.W., Payzant, E.A., Murphy, J.G. and Rizkalla, A.S., 1988, "Crystal Structure and Electrical Resistivity of (La,Sr) 2MO4 Solid Solution Ceramics Containing Mn, Fe, Co, Ni or Cu". J. Can. Ceram. Soc., 57(4), 28-33.
Jones, D.W., Rizkalla, A.S., King, H.W. and Sutow, E.J., 1988, "Fracture Toughness and Dynamic Modulus of a Tetrasilicic-Micaglass-Ceramic (K2O-MgF2-MgO-SiO2)". J. Can. Ceram. Soc., 57, 39-46.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and King, H.W., 1988, "Indentation Fracture Toughness and Dynamic Young's Modulus of Ceramic Biomaterials". 3rd International Conference on the Science of Hard Materials. Materials Science and Engineering, A105/106, 207- 213.
Rizkalla, A.S., Jones, D.W., King, H.W. and Sutow, E.J., 1987, "Fracture Toughness of a Low-Fusing Feldspathic Glass". J. Can. Ceram. Soc., 56, 54-57.
Jones, D.W., Sutow, E.J., King, H.W., Rizkalla, A.S. and Hall, G.C.,1986, "Chemical Composition of Glass Synthesized from Aqueous Alkaline Solutions". J. Can. Ceram. Soc., 55, 42-49.
King, H.W., Castelliz, K.M., Murphy, G.J. and Rizkalla, A.S., 1986, "Crystal Structure and Electrical Resistivity of Ceramics with Compositions La2MO4, La1.5Sr0.5MO4 and LaSrMO4". J. Can. Ceram. Soc,

Articles in Peer-Reviewed Conference Proceedings:

Rizkalla, A.S., Jones, D.W., Archibalt, T., Hall, G.C. and Langman, M. 1999, “Elastic Modulus of Experimental Bioactive Glass Composites.” Bioceramics Vol. 12, World Sci. Pub. Co. 409-412.
Jones, D.W., Rizkalla, A.S., Archibalt, T. and Hall, G.C., 1999, “Fracture Resistance of Experimental Glass, and Glass-Ceramic Resin Composites.” Bioceramics Vol. 12, World Sci. Pub. Co. 445-448.
Rizkalla, A.S., Jones, D.W., Routledge, T., Hall, G.C. and Langman, M., 1998, "Chemical Reactivity of Experimental Bioactive Glasses." Bioceramics Vol. 11, World Sci. Pub. Co., 133-136.
Jones, D.W., Rizkalla, A.S., Routledge, T. and Hall G.C., 1998, "Elastic Properties of Experimental Bioactive Glasses." Bioceramics Vol. 11, World Sci. Pub. Co., 149-56.
Jones, D.W. and Rizkalla, A S., 1995, "Fracture Toughness of Bioglass(tm)/Ceramic Systems". Bioceramics: Materials and Applications II Ed. R. P. Rusin and G. S. Fishman, Ceramic Transactions, 63, 87-91.
Rizkalla, A.S., Choubey, R. and Jonas, J.J., 1984, "Flow Softening and Anneal Hardening in Two-Phase Zr-2.5Nb". Zirconium in the Nuclear Industry: Sixth International Symposium, ASTM STP 824, D.G. Franklin and R.B. Adamson, eds., American Society of Testing and Materials, pp 176-199.
Rizkalla, A.S., Senoha, R. and Celli, A., 1980, "Effect of Ageing on the Impregnation and Sintering of Thoria Pellets". Proceeding on the 22nd Fuel Information Meeting at the White Shell Nuclear Research Establishment, WNRE-506, A.D. Lane, ed., pp 193-194.
Rizkalla, A.S., Holt, R.A. and Jonas, J.J., 1979, "Effect of Oxygen on the Deformation of Zircaloy-2 at Elevated Temperatures". Zirconium in the Nuclear Industry (Fourth Conference), ASTM STP 681, T.P. Papazoglou, ed., American Society of Testing and Materials, pp 497-513.

Peer Reviewed Research Presentations:

Abstract presented and In Press:

Passos, S., Kimpara, E., Bottino, M., Santos Jr., G. C. and Rizkalla, A. S. “Degree of Conversion of Different Shades of Ceramic-Resin Cement Systems” Abstract submitted for presentation at the IADR Meeting in Spain, July, 2010.
D. Srinath, K. Mequanint, and A. S. Rizkalla “Electrospinning of Poly(ester amides) for Vascular Tissue Engineering”. Abstract submitted for presentation at the 29th Meeting of the Canadian Biomaterials Society in Kingston Ontario.
B. Allo, K. Mequanint, and A. S. Rizkalla “Synthesis of Hybrid Biomaterials for Bone Regeneration”. Abstract submitted for presentation at the 29th Meeting of the Canadian Biomaterials Society in Kingston Ontario.
D. Costa, S. J. Dixon and A. S. Rizkalla “Synthesis of Hydroxyapatite Nanowires”. Abstract submitted for presentation at the 29th Meeting of the Canadian Biomaterials Society in Kingston Ontario.
Passos, S., Iorgovan, G., Santos Jr, G. C. and Rizkalla, A. S. “ Microleakage of Class V Restorations with Different Restorative Techniques” Abstract accecepted for presentation at the AADR Meeting in Washington DC, Mar, 2010
Costa, D, Hamilton, D. W., Dixon, S. J., and Rizkalla, A. S., “Carbonated Hydoxyapatite Coatings on Polycaprolactone” Presented at the BMES Meeting in Pittsburgh PA, October, 2009
Costa, D., Hamilton, D. W., Dixon, S. J. and Rizkalla, A. S., “Hydroxyapatite Nano-wire Synthesis by Sol-Gel Hydrothermal Process” Presented at the BMES Meeting in Pittsburgh, PA, October, 2009.
D. Madani, G. C. Santos, A. S. Rizkalla and O. El Mowafy, “Fracture Resistance of Non-metallic Molar Crowns Manufactured with CEREC 3D”, Accepted for presentation at the IADR General Session in Miami Florida, April 1-4, 2009.
A. S. Rizkalla, S. M. Khaled and A. P. Freitas, “Dynamic Elastic Moduli and Radiopacity of Commercial Dental Resin Composites”. Accepted for presentation at the IADR General Session in Miami Florida, April 1-4, 2009.
G. C. Santos-Junior, A. P. Freitras, M. J. C. Santos and A. S. Rizkalla, “Effect of Ceramic Spacers on Knoop Hardness of Resin Cements”. Accepted for presentation at the IADR General Session in Miami Florida, April 1-4, 2009.
A. P. Freitas, G. Iorgovan, A. S. Rizkalla, and G. C. Santos-Junior, “Wear of Enamel Opposed to Dental Resin and Ceramics”. Accepted for presentation at the IADR General Session in Miami Florida, April 1-4, 2009.
M. J. C. Santos, G. P. D. Frietas, A. P. Freitas and A. S. Rizkalla, “Effect of Photo-Curing Light on Knoop Hardness of Resin Composites”. Accepted for presentation at the IADR General Session in Miami Florida, April 1-4, 2009.
W. D. Chan and A. S. Rizkalla, (Preparation of Calcium Phosphate Fibers by Electrospinning.” Abstract presented at the 8th Annual Meeting of the IADR. In Toronto Canada, July, 2008.
C. Chan, S. M. Khaled, G. Santos and A. S. Rizkalla. “Mechanical Properties of Titania Nanotube Polymer Composites.” Abstract presented at the 8th Annual Meeting of the IADR. July, 2008.
A. S. Rizkalla, A. P. Freitas and G. Santos Jr. “Fracture Toughness and Elastic Moduli of Commercial Core Materials.” Abstract presented at the 8th Annual Meeting of the IADR. In Toronto Canada,, July, 2008.
G. C. Santos Jr., S. Jumaily, O. El-Mowafy and A. S. Rizkalla. “Mechanical Properties of Composite Core Materials with Fiber Posts.” Abstract presented at the 8th Annual Meeting of the IADR. In Toronto Canada, July, 2008.
A. P. Freitas, S. Jumaily, G. C. Santos Jr and A. S. Rizkalla. “Diametral Tensile Strength and Knoop Hardness of Commercial Core Materials.” Abstract presented at the 8th Annual Meeting of the IADR, in Toronto Canada, July 2008.
M. J. C. Santos, S. Jumaily, O. El-Mowafy, A. S. Rizkalla and G. C. Santos Jr. “Influence of Post Head Design on DTS of Composite Cores.” Abstract presented at the 8th Annual Meeting of the IADR. Jin Toronto Canada, July, 2008.
S. M. Khaled, A. S. Rizkalla and P. A. Charpentier. “New Synthetic Route to Produce TiO2-PMMA Nanocomposites for Orthopedic Applications.” Abstract presented at AIChE conference in New Orleans. 2008
Khaled, S. M., Sui, R., Charpentier, P. A. and Rizkalla, A. S., Synthesis of TiO2-PMMA Using Methacrylic Coupling Agent. Presented at the 26th Canadian Biomaterials Conference in London ON, May 25-27, 2007.
Karimi P., Rizkalla, A. S. And Mequanint, K., Biodegradable Poly (ester amide) s Derived from  Amino Acids. Presented at the 26th Canadian Biomaterials Conference in London ON, May 25-27, 2007.
Chan, C., Chan, W. C., Bernier, S., Dixon , S. J. And Rizkalla, A. S., Surface coating and cell Adhesion on Poly (e-caprolactone) Treated with NaOH and Simulated Body Fluid. Presented at the 26th Canadian Biomaterials Conference in London ON, May 25-27, 2007.
Chan, W. C., Goldberg, H., Hunter, G. And Rizkalla, A. S. “Biomimetic Materials for Skeletal Repair.” Abstract presented at the 25th Annual Meeting of the Canadian Biomaterials Society in Calgary Alberta, May 26-28, 2006.
Alibeik, S., Rizkalla, A. S. And Mequanint, K., ”Synthesis and Characterization of Ion-Containing Polyurethane for Biomedical Applications.” Abstract presented at the 25th Annual Meeting of the Canadian Biomaterials Society in Calgary Alberta, May 26-28, 2006.
Sui, R., Rizkalla, A. S. and Charpentier, P. A., “Synthesis of Metal Oxide Nanoaerogels Via a Sol-Gel Route in Supercritical CO2.” Abstract accepted for presentation at the 2005 AICHE Annual Meeting (Cincinnati, OH, USA), Oct 30 – Nov 4, 2005.
Sui, R., Rizkalla, A. S. and Charpentier, P. A., “Synthesis and Characterization of Titania and Zirconia Aerogels via a Novel So-gel Route in Supercritical Carbon Dioxide”, presented at the 2005 International Society for Supercritical Fluids in Orlando Florida On May 2nd 2005.
Sui R., Charpentier, P. A., and Rizkalla, A. S., “Synthesis and Characterization of Novel Nano-Glass-Ceramic-Polymer Materials”. presented at the EMK Workshop on Nano-materials at IMTI on Dec 15th 2005 in London Ontario.
Sui R., Charpentier, P. A., and Rizkalla, A. S., “Synthesis and Characterization of Novel Nano-Glass-Ceramic-Polymer Composites”. Poster presented at the EMK Partnership 2005 in Toronto Ontario.
Sui R., Charpentier, P. A., and Rizkalla, A. S., “Synthesis and Characterization of Novel Nano-Glass-Ceramic-Polymer Materials”. Presented at the EMK Workshop on Nano-materials at UWO on Nov 16th 2005 in London Ontario.
Composites”. Poster presented at the EMK Partnership 2004 in Toronto Ontario.
Koleganova, V. A., Komarova, S. V., Bernier, S. M., Dixon, S. J. and Rizkalla, A. S., “Bioative Compsites for Bone Regeneration”. Presented at the 87th Canadian Chemistry Conference, London ON, May 31, 2004.
Li, X., Sui, R. Rizkalla, A. S. and Charpentier, P. A. “Synthesis of Silica Aerogel Particles and Polyethylene Nanocomposites by Novel Sol-Gel Route in Supercritical Carbon Dioxide”. Presentedat the 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004.
Sui, R., Padanyi, A., Rizkalla, A. S. and. Charpentier, P. A. “Particle Synthesis and Composite Formation Utilizing Supercritical CO2”. Presented at the 23rd CSCHE Conference in Hamilton Ontario, Oct. 27, 2003.
Charpentier, P. A., Wan, W. K. and Rizkalla, A. S., “Synthesis and Characterization of Novel Nano-Glass-Ceramic-Polymer Composites”. Poster presented at the EMK Partnership 2003 in Toronto Ontario.
Koleganova, V. A., Komarova, S. V., Bernier, S. M., Dixon, S. J. and Rizkalla, A. S., “Bioactive Glass/Polymer Composite Materials: Mechanical Properties and Interactions with Osteoclasts”. Presented at the IXth Canadian Connective Tissue Conference (CCTC) and IST CIHR Health Training Conference, in July 4-6, 2003 in Montreal Quebec.
Rizkalla, A. S. and Khanna, V. “Water Sorption and Elastic Moduli of Experimental and Commercial Resins and Composites.” Abstract presented at the 31st Annual Meeting and Exhibition of the AADR in San Antonio Texas Mar 12 – 15, 2003.
Rizkalla, A.S., Jones, D. W., George, J. and Hall. G. C, 2002, “Fracture Toughness and Fluoride Release of Experimental and Commercial Composites.” J. Dent. Res.,80, A-53, Abstract #.205
Rizkalla, A.S., Jones, D.W., Davy, K.W. and Braden, M., 1999, “Modulus of Elasticity and Fracture Toughness of Polymer Systems.” J. Dent. Res.,78, 371, Abstract # 2123.
Jones, D.W., Rizkalla, A.S. and Hall, G.C., 1999, “Modulus of Elasticity and Fracture Toughness of Composite Materials.” J. Dent. Res.,78, 206, Abstract # 806
Rizkalla, A.S., Jones, D.W., Hall, G.C. and Cook T., 1999, “Fluoride Release from Experimental Dental Composite Materials.” Paper presented at the 25th Annual Meeting of the Society for Biomaterials. Abstract # 317.
Jones, D.W., Rizkalla, A.S., Cook, T. and Hall, G.C., 1999, “Mechanical Properties of Experimental Dental Composite Materials.” Paper presented at the 25th Annual Meeting of the Society for Biomaterials. Abstract # 421.
Rizkalla, A.S., Jones, D.W., Archibalt, T., Hall, G.C. and Langman, M., 1999, “Elastic Modulus of Experimental Bioactive Glass Composites.” Presented at the 12th International Symposium of Ceramics in Medicine
Jones, D.W., Rizkalla, A.S., Archibalt, T. and Hall, G.C., 1999, “Fracture Resistance of Experimental Glass and Glass-Ceramic Resin Composites.” Presented at the 12th International Symposium of Ceramic in Medicine.
Rizkalla, A.S., Jones, D.W. and Langman, M., 1998, “Fluoride Release for Experimental and Commercial Materials.” J. Dent. Res.,77A, 242, Abstract # 1090.
Jones, D.W., Rizkalla, A.S. and Hall, G.C., 1998, “Mechanical Properties of Commercial & Experimental Materials.” J. Dent. Res.,77A, 260, Abstract # 1240.
Rizkalla, A.S., Jones, D.W. and Hall, G.C., 1998, "Fluoride Release for 7 Experimental and one Commercial Resin-Ionomers.” J. Dent. Res., 77B, 641, Abstract # 74.
Jones, D.W., Rizkalla, A.S., Cochran, R. and Hall, G.C., 1998, "Experimental Composite Systems, Comparison of Matrix Resins." J. Dent. Res., 77B, 656, Abstract # 197.
Rizkalla, A.S., Jones, D.W., Routledge, T., Hall, G.C. and Langman, M., 1998, "Chemical Reactivity of Experimental Bioactive Glasses." Presented at the 11th International Symposium of Ceramics in Medicine in New York.
Jones, D.W., Rizkalla, A.S., Routledge, T. and Hall G.C., 1998, "Elastic Properties of Experimental Bioactive Glasses." Presented at the 11th International Symposium of Ceramics in Medicine in New York.
Rizkalla, A.S., Jones, D.W. and Hall, G.C., 1997, "Fluoride Release and Elastic Moduli for Six Commercial Materials." J. Dent. Res.,76, 39, Abstract # 207.
ones, D.W., Rizkalla, A.S. and Hall, G.C., 1997, "Variation in F- Release and Mechanical Properties with Time." J. Dent. Res., 76, 39, Abstract # 206.
Rizkalla, A.S., Jones, D.W., Campbell and Hall, G.C., 1997, "Elastic Properties of Experimental Bioactive Composite Materials." Paper presented at the 23rd Annual Meeting of the Society for Biomaterials . Abstract # 286.
Rizkalla, A.S., Jones, D.W., Campbell and Hall, G.C., 1997, Hydoxyapatite Formation (In-vitro) on Experimental Biocomposites." Paper presented at the 23rd Annual Meeting of the Society for Biomaterials . Abstract # 482.
Jones, D.W., Rizkalla, A.S., Dickinson, R. and Hall, G.C., 1997, "Strength and Modulus of Elasticity of Composite Materials." Paper presented at the 23rd Annual Meeting of the Society for Biomaterials . Abstract # 312.
Jones, D.W., Rizkalla, A.S., Dickinson, R. and Hall, G.C., 1997, "Elastic Moduli and F- Release of Experimental Glass/Resin Composites." Paper presented at the 23rd Annual Meeting of the Society for Biomaterials . Abstract # 311.
Jones, D.W., Rizkalla, A S., Dickinson, R. and Hall, G.C., 1996, "Strength and Modulus of Elasticity of Experimental and Commercial Composites". J. Dent. Res., 75, 235, Abstract #1744.
Rizkalla, A S., Jones, D.W. and Hall, G.C., 1996, "Fluoride Release & Elastic Moduli for Experimental and Commercial Cements". J. Dent. Res.,.75, 21, Abstract #26.
Rizkalla, A S., Jones, D.W., Chiarot, M. and Hall, G.C., 1996, "Effect of Composition on Strength of Bioactive Composites", Paper presented at the 5th World Biomaterials Congress, Toronto, May-June 1996, Fifth World Biomaterials Congress Program and Transactions, 2, Abstract # 446.
Jones, D.W., Rizkalla, A S., Smyth, B., and Ke, V., 1996, "Elastic Properties of Experimental bioactive Glass/Ceramic Composites", Paper presented at the 5th World Biomaterials Congress, Toronto, May-June 1996, Fifth World Biomaterials Congress Program and Transactions, 2, Abstract # 140.
Jones, D.W., Rizkalla, A S., Dickinson, R. and Hall, G.C., 1996, "Experimental Fillers for Dental Composite Systems", Paper presented at the 5th World Biomaterials Congress, Toronto, May-June 1996, Fifth World Biomaterials Congress Program and Transactions, 2, Abstract # 754.
Rizkalla, A S., Jones, D.W. and Hall, G.C., 1996, "Fluoride Releasing Cement Systems", Paper presented at the 5th World Biomaterials Congress, Toronto, May-June 1996, Fifth World Biomaterials Congress Program and Transactions, 2, Abstract # 147.
Smyth, B., Jones, D.W., Rizkalla, A S., Taheri, F.and. Gross, M., 1996, "Effect of Cement Modulus on the Stress Distribution in the Femoral Hip Implant System", Paper presented at the 5th World Biomaterials Congress, Toronto, May-June 1996, Fifth World Biomaterials Congress Program and Transactions, 2, Abstract # 388.
Smyth, B., Jones, D.W., Rizkalla, A S., Taheri, F.and. Gross, M., 1996, "Influence of Elastic Properties on the Effectiveness of Bone Cements", Abstract presented at the Canadian Orthopedic Research Society Annual Meeting, Quebec City, Quebec CANADA,
Rizkalla, A.S., Jones, D.W., Clarke, D.B. Hall, G.C. and Bermingham, S., 1995, "Characterization of Experimental Bioceramic Compositions". J. Dent. Res 74, 166, Abstract # 1233.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. Hall, G.C. and Bermingham S., 1995, "Shell Strength, Elatic Moduli and Poisson's Ratio of Composite Materials". J. Dent. Res., 74, 183, Abstract # 1371
Jones, D.W., Rizkalla, A.S., Bermingham, S. Sutow, E.J. and Hall, G.C. 1995, "Thermal Characterization of Composite Materials". J. Dent. Res., 74, 89, Abstract # 622.
Sutow, E.J., Clarke, D.B., Jones, D.W., Rizkalla, A.S. and Ke, V.W. 1995, “Measuring Percent Porcelain Retention by the pulse Potentiostatic Method”. J. Dent. Res., 74, 39, Abstract # 219.
Sutow, E.J., Murphy, E.J., Jones, D.W., Rizkalla, A.S., Best, S.A. and Hall, G.C, 1995, "Cooperative Learning in a Dental Biomaterials Science Course". J. Dent. Res., 59, (2), 344, Abstract # 44.
Jones, D.W. and Rizkalla, A.S. "Fracture Toughness of Bioglass/Ceramic Systems. presented at the Bioceramic Symposium, American. Ceramic Society. 97th Annual Meeting & Exposition, Cincinati Ohio, May, 1995.
Rizkalla, A.S., Jones, D.W., Clarke, D.B. and Hall G.C. “Effect of Heat Treatment on the Physical and Chemical Properties of Bioceramic Systems”. Presented at the 21st Annual Meeting of the Society for Biomaterials in San Francisco, California, April 1995.
Rizkalla, A.S., Jones, D.W., Sutow, E.J. and Hall, G.C., 1994, "Mechanical Properties of Commercial High Strength Ceramic Core Materials". J. Dent. Res. 73, 197, Abstract # 762.
Jones, D.W., Rizkalla, A.S., Taylor, G., Sutow, E.J., 1994, "Influence of Heat Treatment on the Mechanical Properties of Cerammable Glass Systems". J. Dent. Res., 73, 196, Abstract # 756.
Jones, D.W., Rizkalla, A.S., Sutow, E.J., and Hall, G.C., 1994, "Elastic Moduli of Seven Base and Lining Cement Materials". J. Dent. Res., 73, 181, Abstract # 636.
Smyth, B., Jones, D.W., Rizkalla, A.S., Russell, L., and Sutow, E.J., 1994, "Influence of Base/Liners on Stress Distribution for Composite Restorations". J. Dent. Res , 73, 181, Abstract # 635..
Smyth, B., Jones, D.W., Russell, L. and Rizkalla, A.S., "Stress Distribution in Dental Restorations". Abstract presented at the Society for Biomaterials, April, 1994.
Rizkalla, A.S., Jones, D.W., Miller, R.P., and Sutow, E.J., 1993, "Indentation Fracture Toughness of Glass Biomaterials: Computational Methods". J. Dent. Res., 72, 262, Abstract # 1273.
Rizkalla, A.S., Jones, D.W., Hurley, P., Sutow, E.J. and Hall, G.C., 1993, "Surface Area and Size Analysis of Composite Filler Particles". J. Dent. Res., 72, 198, Abstract # 755.
Jones, D.W., Clarke, B.D., Rizkalla, A.S., Sutow, E.J. and Hall, G.C. 1993, "Correlation of Microprobe and AAS Analysis of Glass Biomaterials". J. Dent. Res., 72, 262, Abstract # 1274.
Jones, D.W., Rizkalla, A.S., Davidson, M., Sutow, E.J. and Hall, G.C., 1993, "Thermal Expansion Characterization of Composite Materials". J. Dent. Res., 72, 198, Abstract # 757.
Sutow, E.J., Doyle, G., Rizkalla, A.S. and MacNeil, D., 1992, "Tarnish Resistance of three Polishing Methods for Cast Alloys". J. Dent. Res., 72, 303, Abstract # 1598.
Jones, D.W., Rizkalla, A.S., and Sutow, E.J., 1993, "Relationship between Properties of Composite Biomaterials". Transactions, 19th Annual Meeting, Society for Biomaterials, Birmingham AL. Abstract p 157.
Rizkalla, A.S., Jones, D.W., Sutow, E.J. and Miller, R.P., 1992, "Relationship between Chemical and Physical Properties for Na2O-K2O-SiO2 Glasses". J. Dent. Res., 72, 690, Abstract # 1393.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Hall, G.C., 1992, "Elastic Moduli of Wet and Dry Experimental Composites Materials". J. Dent. Res., 72, 598, Abstract # 666.
Sutow, E.J., Jones, D.W., Rizkalla, A.S. and Johnson, P., 1992, "Corrosion of Dental Amalgam: Influence of Finishing Technique". J. Dent. Res., 72, 689, Abstract # 1391.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Hall, G.C., 1992, "Strength of Commercial and Experimental Cements". J. Dent. Res., 71, 312, Abstract # 1650.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Hall, G.C., 1992, "Ion Leachable Glasses: The Effect of Temperature of Synthesis". J. Dent. Res., 71, 312, Abstract # 1654.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Hall, G.C., 1992, "Influence of Composition on Mechanical Properties of Polyalkenoate Cements". Presented at the 4th World Biomaterials Congress, Berlin, April, 1992.
Sutow, E.J., Doyle, G., Rizkalla, A.S. and Robinson, A., 1992,"The Influence of Polishing Method on Tarnish Resistance J. Dent. Res., 71, 304, Abstract # 1584.
Sutow, E.J., Jones, D.W., Rizkalla, A.S., Miller, R.P. and Power, N.L., 1992,"Pulse Potentiostatic Method for Measuring Porcelain Retention". J. Dent. Res., 71, 208, Abstract # 822.
Rizkalla, A.S., Jones, D.W. and Sutow, E.J., 1991, "Structure and Properties of Glass Biomaterials". Proc. 12th Ann. Conf. Can. Biomater., 4-15.
Rizkalla, A.S., Jones, D.W., King, H.W., Payzant, E.A. andSutow, E.J., 1991, "Crystallization of Experimental Glass Cement Forming Systems". J. Dent. Res., 70, 455, Abstract # 1516.
Rizkalla, A.S., Jones, D.W., Sutow, E.J. and Hall, G.C., 1991, "Synthesis of Experimental Ion Leachable Glass Materials". J. Dent. Res. 70, 455, Abstract # 1515.
Jones, D.W., Rizkalla, A.S., Dwyer, J., Sutow, E.J. and Hall, G.C., 1991, "Setting Rigidity of Experimental Glass Polyalkenoate Cements". Abstract, 17th Ann. Meet. Soc. Biomater., Scottsdale, Arizona.
Sutow, E.J., Foong, W.C., Rizkalla, A.S., Jones, D.W. and Power, N.L., 1991, "Mercury Suppression by Various Liquid Media". J. Dent. Res., 70, 294, Abstract # 226.
Doyle, G., Sutow, E.J., Rizkalla, A.S. and Gillis, M., 1991, "Effectiveness of Three Different Polishing Methods on Dental Casting Alloys". J. Dent. Res., 70, 471, Abstract # 1641.
Jones, D.W., Hall, G.C., Johnson, C., Rizkalla, A.S. and Sutow, E.J., 1991, "Mechanical Properties of Three Commercial Composite Materials". J. Dent. Res., 70, 481, Abstract # 1720.
Miller, R.P., Jones, D.W. and Rizkalla, A.S., 1991, "Theoretical Factors Influencing Interpretation of Hardness Values and Fracture Toughness of a Glass Ceramic Material". Proc. 12th Ann. Conf. Can. Biomater. Soc., 30-31.
Jones, D.W., Rizkalla, A.S., Miller, R., Johnson, J.A. and Sutow, E.J., 1990, "The Effect of 'True' Hardness on Indentation Fracture Toughness Values for Feldspathic Glass". Proc. 11th Ann. Conf. Can. Biomater. Soc.
Jones, D.W., Rizkalla, A.S., Johnson, J.A., and Sutow, E.J., 1990, "Comparison of Elastic Moduli and Poisson's Ratio of Biomaterials". Abstract, 16th Ann. Meet. Soc. Biomater., Charleston, South Carolina.
Rizkalla, A.S., Jones, D.W., Hall, G.C. and Sutow, E.J., 1990, "Structural Incompatibilities Limiting Incorporation of K2O in Feldspathic Porcelains". J. Dent. Res., 69, 211, Abstract # 818.
Sterrett, J., Delenay, B., Rizkalla, A. and Hawkins, C., 1990, "Citric Acid Concentration Range for Dentin Demineralization J. Dent. Res., 69, 380, Abstract # 2170.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Lenarczyk, E., 1990, "Thermal Expansion and Strain Point of Dental J. Dent. Res., 69, 211, Abstract # 817.
Jones, D.W., Rizkalla, A.S., Dwyer, J., Darvell, B.W. and Sutow, E.J., 1990, "An Evaluation of Setting Characteristics of Glass Polyalkenoate Cement Systems". Proc. 11th Ann. Conf. Can. Biomater. Soc., 92-93.
Sutow, E.J., Jones, D.W., Rizkalla, A.S. and Raftus, R.A., 1990, "Simplified Surface Treatment for Porcelain Bonding to Base Metal Alloys". J. Dent. Res. Res., 69, 299, Abstract # 1522.
Sutow, E.J., Foong, W.C., Rizkalla, A.S., Jones, D.W., Russel, K.A. and Howell, R.E., 1990, "Influence of Surface Finish on the Cytotoxicity of Dental Amalgam". J. Dent. Res. Res., 69, 265, Abstract # 1251.
Jones, D.W., Hall, G.C., Johnson, C., Rizkalla, A.S. and Sutow, E.J., 1990, "Elastic Moduli and Poisson's Ratio of Dimethacrylate Polymers J. Dent. Res., 69, 232, Abstract # 990.
Johnson, J.A., Jones, D.W., Rizkalla, A.S. and King, H.W., 1990, "Comparison of Static and Dynamic Elastic Moduli for Methacrylate Polymers". J. Dent. Res., 69, 207, Abstract # 788.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Hall, G.C., 1990, "Effect of Silane Treatment on Elastic Moduli & Poisson's Ratio of Experimental Composites". J. Dent. Res., 69, 207, Abstract # 787.
Rizkalla, A.S., Jones, D.W., Hall, G.C., King, H.W. and Sutow, E.J., 1989, "Chemical Composition Variables of Feldspathic Glass Synthesized by Sol-Gel". J. Dent. Res., 68, 273, Abstract # 1133.
Jones, D.W., Rizkalla, A.S., Johnson, J.A. and Sutow, E.J., 1989, "Effect of Chemical Composition on Some Physical Properties of SiO2-K2O-Na2O Glasses". J. Dent. Res., 68, 273, Abstract # 1134.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and Tangri, P., 1989, "Elastic Moduli and Poisson's Ratio of Commercial Composite Systems". J. Dent. Res., 68, 890, Abstract # 188.
Rizkalla, A.S., Jones, D.W., Sutow, E.J. and Shakerinia, T., 1989, "Elastic Moduli of Experimental Composite Systems J. Dent. Res., 68, 890, Abstract # 189.
Rizkalla, A.S., Jones, D.W., Sutow, E.J. and King, H.W., 1989, "Effect of Composition on the Fracture Toughness of Synthesized Glasses". Abstract #183, 15th Ann. Meet. Soc. Biomater., Florida.
Rizkalla, A.S., Jones, D.W., King, H.W., Hall, G.C. and Sutow, E.J., 1988, "Synthesis of Glass in the Feldspathic Range by Wet Chemical Methods J. Dent. Res.,67, 119, Abstract # 53.
Jones, D.W., Sutow, E.J., Rizkalla, A.S. and Black, D., 1988, "Opacity and Colour of Castable Glass-Ceramic and Cement Systems". J. Dent. Res., 67, 118, Abstract # 44.
Johnson, J., Jones, D.W., Rizkalla, A.S. and Sutow, E.J., 1988, "Influence of Load on Indentation Fracture Toughness of Dental Porcelain". J. Dent. Res., 67, 263, Abstract #1206.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and King, H.W., 1987, "Comparison of Fracture Toughness of Dental Porcelains". Abstract # 109, 13th Ann. Meet. Soc. Biomater., New York.
Jones, D.W., Rizkalla, A.S., Sutow, E.J. and King, H.W., 1987, "Dynamic Modulus of Restorative Materials". J. Dent. Res., 66, 183, Abstract # 612.
Rizkalla, A.S., Jones, D.W., Hall, G.C., King, H.W. and Sutow, E.J., 1987,"Synthesis and Chemical Composition of Feldspathic Glasses". Abstract, Can. Ceram. Soc., 85th Annual Convention.
Rizkalla, A.S., Jones, D.W., King, H.W. and Sutow, E.J., 1987, "Effect of Chemical Composition on the Fracture Toughness of Feldspathic Glasses". Abstract, Can. Ceram. Soc., 85th Annual Convention.
Jones, D.W., Rizkalla, A.S., King, H.W. and Sutow, E.J., 1987, "Fracture Toughness and Dynamic Modulus of a Tetrasilicic-Micaglass-Ceramic (K2O-MgF2-MgO-SiO2)". Abstract, Can. Ceram. Soc., 85th Annual Convention.
Jones, D.W., Sutow, E.J., Milne, E.L., King, H.W. and Rizkalla, A.S., 1986, "Chemical Composition of Two-Phase Glasses Synthesized from Aqueous Alkaline Solutions". Abstract, Can. Ceram. Soc., 84th Annual Convention.

Patents:

Jones, D. W., Rizkalla, A. S. And Hall G. C., ”Ceramic Filler for Dental Composite Materials. US Pat Appl. Publ. (2005) 12pp US20525622 A1 20051117 CAN 143:466309 AN 2005: 1224304.
Jones, D. W., Rizkalla, A. S. and Hall, G. C., “Composite Veneered Cast Glass-Ceramic Dental Construct”. Patent # CA2337212, also published as WO000252A1, EP1094780A1, EP1094780B1, DE69917458T (T2), DE69917458D (T2), Jan 20, 2000.
Jones, D. W., Rizkalla, A. S. and Hall, G. C., “Improved Filler for Dental Composite Materials”. Patent # CA2348066, also published as EP1124529A1, WO00257A1, May 11, 2000.

Unpublished Technical Reports [Atomic Energy of Canada Ltd (AECL) and
Combustion Engineering Superheater (CE-S) Proprietary Information]

Rizkalla, A.S., 1982, "Processing of 37 Element Type Fuel Pellets for ERL South Plant UO2 Powder". CE-S Fuel Development Program, CE-S Contract # 52705.
Rizkalla, A.S., 1981, "Improving Fuel Economy (Thin Wall Tubing)". AECL/Ontario Hydro Fuel Development Program, CE-S Project # RD 8009.
Rizkalla, A.S., 1981, " Impregnation of Thoria Pellets". AECL Development Program,
CE-S Program, CE-S Project # RD 6806.
Rizkalla, A.S., 1980, "Tack Welding and Brazing Spacer Pads ". CE-S Fuel Development Program.
Rizkalla, A.S., 1980, "Inspection of Hydride Orientation Visual Standards". CE-S Fuel Development Program CE-S Project # RD 7911.
Rizkalla, A.S. and Sejnoha, R., 1980, "Annealing of Thoria Pellets for Impregnation". AECL Program in Fuel Development, CE-S # RD 6806.
Rizkalla, A.S. and Sejnoha, R., 1980, "UO2 Powder/Pellet Specification and Characterization". AECL/Ontario Hydro Common Program in Fuel Development, CE-S Project # RD 7928, RD 7929.
Rizkalla, A.S. and Sejnoha, R., 1979, "Impregnation of Thoria Pellets". AECL Program in Fuel Development, CE-S Project # RD 6806.