Publications Mallapragada Group

Publications

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Determan, M.D., Lo, C.-T., Guo, L., Thiyagarajan, P. and Mallapragada, S.K., “Temperature and pH-Dependent Phase Behavior of Pentablock Copolymers by Small Angle Neutron Scattering”, Langmuir (submitted).
Torres, M. P., Mallapragada, S. K., and Narasimhan, B., “Protein Stabilization and Release from Novel Amphiphilic Polyanhydrides”, Biomaterials (submitted).
Peleshanko, S., Anderson, K. D., Goodman, M., Determan, M. D., Mallapragada, S.K., and Tsukruk, V., “Thermoresponsive Behavior of Multistimuli Pluronic®-based Pentablock Copolymers at the Air-Water Interface”, Langmuir (submitted).
Wong, S., Altinkaya, A., and Mallapragada, S.K., “A Study of Crystallization of Poly(vinyl alcohol) During Solvent Removal: Infrared Characterization and Mathematical Modeling”, J. Polym. Sci. Polym. Phys. (submitted).
Wong, S., Altinkaya, A., and Mallapragada, S. K., “Investigation of the Effectiveness of Multi-Zone Drying Schemes in Lowering the Residual Solvent Content During Multicomponent Drying of Semicrystalline Polymers”, J. Appl., Polym. Sci. (submitted).
Prozorov, T., Mallapragada, S.K., Narasimhan, B., Nilsen-Hamilton, M., Williams, T. J., Bazylinski, D., Prozorov, R., and Canfield, P.C., “Protein-Mediated Synthesis of Superparamagnetic Magnetite Nanocrystals”, Adv. Func. Mater. (in press).
Determan, M.D., Cox, J. P. and Mallapragada, S.K., “Drug Release from pH-Responsive Thermogelling Pentablock Copolymers”, J. Biomed. Mater. Res. (in press).
Agarwal, A., Unfer, R. C., and Mallapragada, S.K. “In Vitro Biocompatibility Testing of Novel Pentablock Copolymers for Gene Delivery”, J. Biomed. Mater Res., (in press).
Schwarz, C., Mallapragada, S.K., and Bahadur, S., “Effect of Crosslinking and Pt-Zr Quasicrystal Fillers on the Mechanical Properties and Wear Resistance of UHMWPE for Use in Artificial Joints”, Wear (in press).

Recknor, J., Sakaguchi, D., and Mallapragada, S.K., “Growth and Differentiation of Neural Progenitor Cells on Micropatterned Polymer Substrates”, Biomaterials, 27, 4098-4108 (2006).(Reprint)
Determan, M. D., Thiyagarajan, P. and Mallapragada, S.K., “Supramolecular Self-assembly of Multiblock Copolymers in Solution”, Langmuir, 22, 1469-1473 (2006) .(Reprint)
Glatz, C., Gonzalez, R. Huba, M., Mallapragada, S.K., Narasimhan, B., Reilly, P., Saunders, K., and Shanks, J. “Problem-Based Learning Biotechnology Courses in Chemical Engineering”, Biotechnol. Prog., 22, 173-178 (2006).

(Reprint)

Torres, M., Vogel, B., Narasimhan, B. and Mallapragada, S.K., “Erosion Mechanism of Novel Polyanhydrides Containing Oligomeric Ethylene Glycol”, J. Biomed. Mater. Res., 76, 102-110 (2006).(Reprint)
Wong, S. -S., Altinkaya, S., and Mallapragada, S.K., “Understanding the Effect of Skin Formation on Solvent Removal from Semicrystalline Polymers”, J. Polym. Sci. Poly. Phys. 43, 3191-3204 (2005).(Reprint)
Vogel, B., Eidelman, N., Narasimhan, B. and Mallapragada, S.K., “Parallel Synthesis and Dissolution Testing of Polyanhydride Random Copolymers”, J. Comb. Chem., 7, 921-28 (2005).(Reprint)
Recknor, J. and Mallapragada, S.K., “Polymers for Nerve Regeneration” in “Handbook of Tissue Engineering”, CRC Press (in press).
Gordon, W. J., Conzemius, M. G., Birdsall, E., Wannameuhler, Y., Mallapragada, S.K., Lewallen, D. G., Yaszemski, M. J., and O’Driscoll, S. W. D., “The Chondroconductive Potential of Tantalum Trabecular Metal”, J. Biomed. Mater. Res. Part B. Appl. Biomat. , 75B, 229-233 (2005).(Reprint)
Torres, M. P., Determan, A., Mallapragada, S.K. and Narasimhan, B., “Polyanhydrides”, in Encyclopedia of Chemical Processing, Taylor and Francis, (in press).

Determan, M., Seifert, S., Thiyagarajan, P., and Mallapragada, S. K. “Synthesis and Characterization of Temperature and pH Sensitive Self-Assembling Amphiphilic Pentablock Copolymers”, Polymer, 46, 6933-46 (2005).(Reprint)
Recknor, J. B., Sakaguchi, D., and Mallapragada, S.K., “Growth and Differentiation of Astrocytes and Neural Progenitor Cells on Micropatterned Polymer Films”, Annals. N. Y. Acad. Sci., 1049, 24-7 (2005).
Mallapragada, S. K., and Konety, B., “Biodegradable Nerve Grafts – Physiologically and Environmentally Friendly? J. Urology, 173, 8-9 (2005).(Reprint)
Agarwal, A., Unfer, R. C., and Mallapragada, S. K., “Novel Cationic Pentablock Copolymers as Non Viral Vectors for Gene Delivery”, J. Control. Rel.,103, 245-258 (2005).(Reprint)
Vogel, B., and Mallapragada, S. K., “Synthesis of Novel Biodegradable Polyanhydrides Containing Aromatic and Glycol Functionality for Tailoring of Hydrophilicity in Controlled Drug Delivery Devices”, Biomaterials, 26, 721-728 (2005).(Reprint)
Vogel, B. and Mallapragada, S. K., “Synthesis of Polyanhydrides”, in Handbook of Biodegradable Polymeric Materials and Their Applications, Eds. Mallapragada, S.K. and Narasimhan, B., Vol. 1, American Scientific, Los Angeles, CA, pp. 329-347 (2005).
Determan, M. D. and Mallapragada, S. K., “Self-assembling Nanostructured Injectable Polymeric Gels for Drug Delivery”, in Handbook of Nanostructured Biomaterials and Their Applications”, Nalwa, H. S. (ed.), American Scientific, Los Angeles, CA, Vol.2, pp 458-471 (2005).
Wong, S. -S., Altinkaya, S., and Mallapragada, S.K., “Drying of Semicrystalline Polymers: Mathematical Modeling and Experimental Characterization of Poly(vinyl alcohol) Films”, Polymer, 45, 5151-5161 (2004).(Reprint)

Rutkowski, G., Miller, C.A., Jeftinija, S., and Mallapragada, S.K., “Synergistic Effects of Micropatterned Biodegradable Conduits and Schwann Cells on Sciatic Nerve Regeneration”, J. Neural. Eng., 1, 151-157 (2004).(Reprint)
Vogel, B., Mallapragada, S. K., and Narasimhan, B., “ Rapid Synthesis of Polyanhydrides by Microwave Polymerization”, Macromol. Rapid Comm., 25, 330-333 (2004).(Reprint)
Recknor, J. B., Sakaguchi, D., and Mallapragada, S. K. “Oriented Astroglial Growth on Micropatterned Polymer Substrates”, Biomaterials, 25, 2753-67 (2004).(Reprint)
Mallapragada, S. K. and Recknor, J.B., “Polymeric Materials for Nerve Regeneration”, in Adv. Chem. Eng., 29, 47-74 (2004).
Anderson, B. C., Cox, S. M., Bloom, P.D, Sheares, V. V., and Mallapragada, S.K., “Synthesis and Characterization of Diblock and Gel Forming Pentablock Copolymers of Tertiary Amine Methacrylates, Poly(Ethylene Glycol) and Poly(Propylene Glycol)”, Macromolecules, 36, 1670-76 (2003).(Reprint)
Gannepalli, A., and Mallapragada, S.K., “Atomistic Studies of Defect Nucleation during Nanoindentation of Au (001)”, Phys. Rev. B., 66, 104103 (2002).(Reprint)
Anderson, B.C, and Mallapragada, S.K., “Synthesis and Characterization of Injectable, Water-soluble Copolymers of Tertiary Amine Methacrylates and Poly(Ethylene Glycol) Containing Methacrylates”, Biomaterials, 23, 4345-59 (2002).(Reprint)
Anderson, B.C., Bloom, P.D., Baikerikar, K.G., Sheares, V.V., and Mallapragada, S.K., “Al-Cu-Fe Quasicrystal/Ultra-High Molecular Weight Polyethylene Composites as Biomaterials for Acetabular Cup Prosthetics”, Biomaterials, 23, 1761-1768 (2002).(Reprint)
Anderson, B.C, Cox, S.M., Ambardekar, A., and Mallapragada, S.K., “Effect of Salts on the Micellization Temperature of Aqueous Poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) Solutions and the Dissolution Rate and Water Diffusion Coefficient in their Corresponding Gels”, J. Pharm. Sci., 91, 180-188 (2002)..(Reprint)

Miller, C. A., Jeftinija, S., and Mallapragada, S. K., “Synergistic Effects of Physical and Chemical Guidance Cues on Neurite Alignment and Outgrowth on Biodegradable Polymer Substrates” Tissue Eng., 8(3), 367-378 (2002).(Reprint)
Rutkowski, G., and Mallapragada, S.K., “Microfabrication (nerve repair)”, in 2002 Yearbook of Science and Technology, McGraw Hill, 221-223 (2002).
Baldwin, C., Bristol, D., Deaver, E., Hammerberg, B., Heath, C., Mallapragada, S., Naylor, G., Richardson, E., Wilson, J., "Biotechnology: Organ Transplantation", in Life Science Ethics, Comstock, G. (Ed.), Chap. 15, 310-313, Iowa State Press, Ames (2002).
Miller, C.A., Jeftinija, S., and Mallapragada, S.K., “Micropatterned Schwann Cell-Seeded Biodegradable Polymer Substrates Significantly Enhance Neurite Alignment and Outgrowth”, Tissue Eng., 7(6), 705-715 (2001).(Reprint)
Amanda, A., and Mallapragada, S.K., “Selectivity Studies and Mapping of Protein Fouling on Heat-Treated Poly(vinyl alcohol), Poly(ether sulfone), and Regenerated Cellulose Membranes Using DRIFTS, Biotechnol. Prog., 17, 917-923 (2001).(Reprint)
Gannepalli, A., and Mallapragada, S. K., “Molecular Dynamics Studies of Plastic Deformation During Silicon Nanoindentation”, Nanotechnol., 12, 250-257 (2001).(Reprint)
Miller, C. A., Rutkowski, G., Witt, A., Shanks, H., and Mallapragada, S. K., “Micropatterned Polymer Substrates for Guided Schwann Cell Growth In Vitro”, Biomaterials, 22, 1263-1269 (2001).(Reprint)
Anderson, B. C., Pandit, N., and Mallapragada, S. K., “Understanding drug release frompoly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) gels”, J. Controlled Rel., 70, 157-167 (2001).(Reprint)
Rutkowski, G., Miller, C.A., and Mallapragada, S.K., “Fabrication of Polymer Scaffolds: Solvent Casting”, in Methods of Tissue Engineering, Atala, A., and Lanza, R., (Eds.), Chap. 58, pp. 681-686, Academic Press, San Diego, CA (2001).

Anderson, B., Amanda, A., and Mallapragada, S.K., “Microencapsulation Methods Using Poly(vinyl alcohol)”, in Methods of Tissue Engineering, Atala, A., and Lanza, R., (Eds.), Chap.74, pp. 835-839, Academic Press, San Diego, CA (2001).
Anderson, B.C, Bloom, P.D., Sheares, V.V. and Mallapragada, S.K., “Synthesis and Characterization of Water Soluble Block Copolymers for pH Sensitive Drug Delivery”, in Biomaterials for Drug Delivery and Tissue Engineering, Eds. Mallapragada, S.K., Tracy, M., Narasimhan, B., Mathiowitz, E., and Korsmeyer, R., Materials Research Society Symp. Ser, 662(2001).(Reprint)
Moore, T. T., Croy, S., Mallapragada, S. K., and Pandit, N., “Experimental Investigation and Mathematical Modeling of Pluronic F127 Gel Dissolution: Drug Release in Stirred Systems”, J. Controlled Rel., 67, 191-202 (2000).(Reprint)
Amanda, A., Kulprathipanja, A., and Mallapragada, S. K., “Semicrystalline Poly(vinyl alcohol) Ultrafiltration Membranes for Bioseparations”, J. Membr. Sci., 176, 87-95 (2000).(Reprint)
Mallapragada, S. K. , and McCarthy-Schroeder, S., “Poly(vinyl alcohol) as a Drug Delivery Carrier”, in Handbook of Pharmaceutical Controlled Release Technology, Wise, D. L. (Ed.), pp. 31-47, Marcel Dekker, New York, NY (2000).
Mallapragada, S. K. , and Narasimhan, B., “Infrared Spectroscopy in the Analysis of Polymer Crystallinity”, in Encyclopedia of Analytical Chemistry, Meyers, R. A. (Ed.), pp. 7644-7658, John Wiley, New York, NY (2000).
Ngui, M. O., and Mallapragada, S. K. “Mechanistic Investigation of Drying Regimes During Solvent Removal from Poly(vinyl alcohol) Films”, J. Appl. Polym. Sci., 72, 1913-1920 (1999). (Reprint)
Ngui, M. O., and Mallapragada, S. K. , “Quantitative Analysis of Crystallization and Skin Formation During Isothermal Solvent Removal from Semicrystalline Polymers”, Polymer, 40, 5393-5400 (1999).(Reprint)

Narasimhan, B., Mallapragada, S. K., and Peppas, N. A., “Release Kinetics-Data Interpretation”, in Encyclopedia of Controlled Drug Delivery, Mathiowitz, E. (Ed.), pp. 921-935, John Wiley, New York, NY (1999).
Mallapragada, S. K., “Breast Implants”, Science and Medicine, Tissue Engineering Section, Morgan, J., and Yarmush, M. L. (Eds.), 6, 6-7 (1999).
Mallapragada, S. K. , and Chin, S. –F., “Multilayered Semicrystalline Polymeric Controlled Release Systems”, in Materials for Controlled Drug Delivery Applications, Ed. McCulloch, I., American Chemical Society Ser., 709, 176-184 (1998).
Narasimhan, B. , and Mallapragada, S. K., “Dissolution of Amorphous and Semicrystalline Polymers: Mechanism and Novel Applications”, Recent Res. Develop. Macromol. Res., 3, 311-324 (1998).
Ngui, M. O., and Mallapragada, S. K., ”Understanding Isothermal Semicrystalline Polymer Drying: Mathematical Models and Experimental Characterization”, J. Polym. Sci. Polym. Phys., 36, 2771-2780 (1998).(Reprint)
Mallapragada, S. K., and Narasimhan, B., “Drug Delivery Systems”, in Handbook of Biomaterials Evaluation, von Recum, A. (Ed.), Taylor and Francis, NY, Chap. 27., pp. 425-437 (1998).
Mallapragada, S. K. and Peppas, N. A. , “Crystal Dissolution-Controlled Release Systems: I. Physical Characteristics and Modeling Analysis”, J. Controlled Rel., 45, 87-94 (1997).(Reprint)
Mallapragada, S. K., Peppas, N. A. , and Colombo, P., “Crystal Dissolution Controlled Release Systems: II. Metronidazole Release From Semicrystalline Poly(vinyl alcohol)”, J. Biomed. Mater. Res., 36, 125-130 (1997).(Reprint)
Mallapragada, S. K. and Peppas, N. A., “Crystal Unfolding and Chain Disentanglement During Semicrystalline Polymer Dissolution”, AIChE J. 43, 870-876 (1997).(Reprint)
Mallapragada, S. K. and Peppas, N. A., “Mechanism of Dissolution of Semicrystalline Poly(vinyl alcohol) in Water”, J. Polym. Sci.: Polym. Phys., 34, 1339-1346 (1996).(Reprint)

Patents

Mallapragada, S. K., Anderson, B., and Gahan, J., "Gene Delivery Mechanisms Using Methacrylic Copolymers ", U.S. Patent Application, pending.
Mallapragada, S. K. and Anderson, B., "pH Sensitive Methacrylic Copolymer Gels and the Production Thereof", U.S. Patent Application, pending.
Mallapragada, S. K. and Anderson, B., "Injectable Bodily Prosthetics Employing Methacrylic Copolymers", U.S. Patent Application, pending.
Mallapragada, S. K., Anderson, B., Bloom, P., and Sheares Ashby, V., "pH Sensitive Methacrylic Copolymers and the Production Thereof", U.S. Patent Number 6,998,456(2006).
Mallapragada, S.K., Miller, C.A., Heath, C. A., Jeftinija, S., and Shanks, H., “Patterned Substrates and Methods for Nerve Regeneration”, U.S patent number 6,676,675 (2004).

Proceedings Papers

Agarwal, A., Unfer, R.C., and Mallapragada, S.K., “Novel Self-Assembling Copolymers for Sustained Delivery in the Presence of Serum”, Polym. Mater. Sci., Eng. Proceed., 94, 88-89 (2006).
Mallapragada, S.K., Vogel, B. and Narasimhan, B., “Combinatorial Methods for Synthesis and Characterization of Polyanhydride Copolymer”, Polym. Mater. Sci. Eng. Proceed., 93, 818-819 (2005).
Determan, M. D., Thiyagarajan, P., and Mallapragada, S.K., “Investigation of Self-assembly of Pentablock Copolymers in Solution Using Scattering Techniques”, Polym. Mater. Sci. Eng. Proceed., 93, 808-809 (2005).
M.P. Torres, B. Narasimhan, and S.K. Mallapragada, “A New Class of “Bulk Erodible” Polyanhydrides,” Polym. Prepr., 46(1), 234-235 (2005).
Glatz, C. E., Narasimhan, B., Huba, M., Sauders, K., Shanks, J., Reilly, P. J., and Mallapragada, S.K., “Problem-Based Learning Laboratories Involving Chemicals from Biorenewables”, ASEE Annual Cong. Proc., 2005 (in press).
Gannepalli, A., and Mallapragada, S. K., "Atomistic Studies of Defect Nucleation during Nanoindentation of Au(001)", Los Alamos National Laboratory, Preprint Archive, Condensed Matter 1-11, (2002).
Bloom, P.D., Baikerikar, K.G., Anderson, B.C, Mallapragada, S.K., and Sheares, V.V., “Ultra-high Molecular Weight Polyethylene Quasicrystal Composites for Hip Arthroplasty Femoral Components”, Polym. Mater. Sci. Eng. Proceed., 85, 592-593 (2001).
Anderson, B., and Mallapragada, S.K., “Effect of Salts on Drug Release from Poloxamer Gels”, Trans. Soc. Biomatls., 27, 388 (2001).
Mallapragada, S. K. , and Pandit, N. K., “Mathematical Modeling of Drug Release from Block Copolymer Gels”, Proc. Summer Bioeng. Conf., 42, 675-676 (1999).
Amanda, A., Kulprathipanja, A., Soo, S. C, and Mallapragada, S. K. , “Semicrystalline Poly(vinyl alcohol) Membranes for Bioseparations”, Polym. Mater. Sci. Eng. Proceed., 80(1), 313-314 (1999).

Gannepalli, A., Porter, M. D., and Mallapragada, S. K. , “Nanoscale Patterning of Polymer Surfaces Using Atomic Force Microscopy”, Polym. Mater. Sci. Eng. Proceed., 78 (1), 3-4 (1998).
Sondhof, A. F., Mallapragada, S. K., Booth, L. C., Heath, C. A., Rosenbuch, R., Apley, M., and Hsu, W., “Poly(lactic acid) Biodegradable Microspheres for Sustained Antimicrobial Drug Release in the Equine Joint: Preliminary In vivo Results”, Proceed. Intern. Symp. Control. Rel. Bioact. Mater., 25, 651-652(1998).
Mallapragada, S. K., and Ngui, M. O., “Solvent Removal from Semicrystalline Polymers”, Int. Soc. Coating Sci. Tech. Symp. Proceed., 9, 197-200 (1998).
Moore, T. T., Oberhaus, M., Augustine, C. A., Pandit, N. K., and Mallapragada, S. K. , “Customized Triblock Copolymers for Controlled Drug Delivery” Proc. 28th Annual Biochem Eng. Symp., (1998).
Pandit, N. K., and Mallapragada, S. K., “Customized Injectable Pluronic Gels for Sustained Drug Delivery to Astronauts”, Iowa Space Grant Consortium Conf. Proc., 8, 91-99 (1998).
Baldwin, C. A., Bristol, D., Deaver, E., Hammerberg, B., Heath, C. A, Mallapragada, S. K., Naylor, G. J., Richardson, E., and Wilson, J., “Case Studies in Organ Transplantation”, The Ag Bioethics Forum, 10, 2-6 (1998).
Ngui, M. O. and Mallapragada, S. K., “Solvent Removal from Semicrystalline Polymer Films”, Polym. Prep., 38 (2), 377-378 (1997).
Mallapragada, S. K., and Chin, S. –F., “Multilayered Crystal-Dissolution Controlled Release Systems for Drug Delivery”, Polym. Prep., 38 (2), 622-623 (1997).
Mallapragada, S. K., Peppas, N. A. , and Colombo, P., “Modification of Drug Release Profiles and Swelling Behavior in Poly(vinyl alcohol) Due to the Presence of a Crystalline Phase”, Polym. Mater. Sci. Eng. Proceed, 74, 416-417 (1996).
Peppas, N. A., and Mallapragada, S. K., “Crystal Dissolution-Controlled Release Systems: A Novel Technology for Facile Programmed Release of Drugs”, Proceed. Adv. Control. Deliv. 1, 89-90 (1996).
Mallapragada, S. K. and Peppas, N. A., “Effect of Dissolution on Lamellar Thickness Distribution of Semicrystalline Poly(vinyl alcohol)”, Polym. Mater. Sci. Eng. Proceed., 73, 22-23 (1995).