Stover, Harald - McMaster University - Department of Chemistry & Chemical Biology

研究领域

Polymer and Colloid Chemistry We design and study reactive polymers, novel colloids, and microcapsules, to address fundamental and applied questions. Targets include new approaches to cell encapsulation for immuno-isolation, and polymer capsules for controlled delivery. Our tools include free radical and controlled radical polymerizations of styrenic and acrylic monomers, and addition polymerization at interfaces. We use a wide range of techniques to characterize our polymers and materials in terms of composition, morphology and function.

近期论文

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C.M. Gardner, M.A. Potter, H.D.H Stöver* Improving Covalent Cell Encapsulation with Temporarily Reactive Polyelectrolytes. accepted. C. M. Gardner, H.D.H. Stöver, Reactive Polyanions based on Poly(4,4-dimethyl-2-vinyl-2-oxazoline-5-one-co-methacrylic acid), Macromolecules, 2011, 44(18) 7115-7123. R. Longenecker, T. Mu, M. Hanna, N.A.D. Burke, H.D.H. Stöver*, Thermally Responsive 2-Hydroxyethyl Methacrylate Polymers and Copolymers: Sol-Gel and Sol-Gel-Sol Transitions. Macromolecules, 2011, 44(22), 8962-8971. J. Li, M.A.J. Mazumder, H.D.H. Stöver*, A.P. Hitchcock, I.M. Shirley, Polyurea Microcapsules: Surface Modifications and Capsule Size Control. J. Polym. Sci Part A: Polym. Chem. 2011, (49) 3038-3047. S. Krishnamoorthy, M. Haria, B.E. Fortier-McGill, M.A.J. Mazumder, E.I. Robinson, Y.Xia, N.A.D. Burke, H.D.H. Stöver*, High Tg Microspheres by Dispersion Copolymerization of N-Phenylmaleimide with Styrenic or Alkyl Vinyl Ether Monomers, J. Polym. Sci. Part A: Polym. Chem., 2011, (49) 192-202. C.M. Gardner, N.A.D. Burke, T. Chu, F. Shen, M. A. Potter, H.D.H. Stöver*, Poly(methyl vinyl ether-alt-maleic anhydride) Polymers for Encapsulation Systems, J. Biomat Sci, Polym. Ed. 2011, 22(16), 2127-45 (Epub 2010 Nov 9). J.Hickey, N.A.D. Burke, H.D.H. Stöver*, Layer-by-layer deposition of clay and a polycation to control diffusive release from polyurea microcapsules, J. Membrane Science, 2011, (369) 68-76. J. Li, A.P.Hitchcock, H.D.H. Stöver*, Langmuir, Pickering Emulsion Templated Interfacial Atom Transfer Radical Polymerization for Microencapsulation, 2010, 26(23) 17926-17935. J. Li, H.D.H. Stöver*, Langmuir, Pickering Emulsion Templated Layer-by-layer Assembly for Making Microcapsules, 2010, 19, 15554-15560. M.A.J. Mazumder, N.A.D. Burke, F. Shen, T. Chu, M.A. Potter, H.D.H. Stöver* Synthetic Reactive Polyelectrolytes for Cell Encapsulation, in: ACS Symp Series, Vol 1053: Polymeric Delivery of Therapeutics, Chapter 7, 131-159, 2010. C.M. Gardner, N.A.D. Burke, H.D.H. Stöver*, Crosslinked Microcapsules formed from Self-Deactivating Reactive Polyelectrolytes, Langmuir, 2010, 26 (7), 4916–4924. M. A. Jafar Mazumder, Feng Shen, Nicholas A. D. Burke, Murray A. Potter, Harald D. H. Stöver*, Core-Crosslinked Alginate Microcapsules for Cell Encapsulation. Biomacromolecules, 2009, 10, 1365-1373. (CIHR) J. Li, A.P. Hitchcock, H.D.H. Stöver* and I. Shirley, A New Approach to Studying Microcapsule Wall Growth Mechanisms, Macromolecules, 2009, 42 (7), 2428–2432. (Syngenta, NSERC) Mechanically enhanced microencapsules for cellular gene therapy F. Shen, M.A.J. Mazumder, N.A.D. Burke, H.D.H. Stöver, M.A. Potter*, J. Biomed Mats, Res. B: Appl. Biomater. 2009, 90B, 350-361. (CIHR) Jeffrey Li, Harald D.H. Stöver*, Doubly pH responsive Pickering Emulsion, Langmuir, 2008 (24) 13237-40. M.A.Jafar Mazumder, Feng Shen, Nicholas A.D. Burke, Murray A. Potter, Harald D.H. Stöver*, Self-crosslinking Polyelectrolyte Complexes for Therapeutic Cell Encapsulation. Biomacromolecules, 2008, 9(9), 2292-2300. J. Wang, H.D. H. Stöver and A.P. Hitchcock*, Chemically selective soft X-ray direct-write patterning of multilayer polymer films, J. Phys. Chem. C 111 (2007) 16330-16338. N.A.D.Burke, J. Mazumdar, Hanna, M., H.D.H. Stöver*, Study of Polyelectrolyte Complexation between Poly(methacrylic acid, sodium salt) and Poly(diallyldimethylammonium chloride) or Poly(methacryloyloxyethyltrimethylammonium chloride, J. Polym. Sci.,2007, 45, 4129-43. J. Wang, H.D.H. Stöver, A.P. Hitchcock, T. Tyliszczak Chemically selective soft X-ray patterning of polymers. J. Synch. Radiation, 2007, 14, 181-190. A.P. Hitchcock, J. Li, S. Reijerkerk, P. Foley, H.D.H. Stöver, I. Shirley. X-ray absorption spectroscopy of polyureas and polyurethanes and their use in characterizing chemical gradients in thin-walled polyurea capsules, J. Electron Spectroscpy and related Phenomena, 156: 467-471, 2007.