Dr. Robert Grass

Lectures
Process Control (Regelungstechnik)

Interests
Metallic nanoparticles from reducing flame synthesis and functionalized magnetic nanoparticles.

Activities
Surface modifications of carbon coated cobalt nanoparticles for applications in biochemistry

Education

Spin off companies

I Research
A  Refereed Journal Articles

• L.C. Gerber, F.M. Koehler, R.N. Grass, W.J. Stark, Incorporating microorganisms into polymer layers provides bio-inspired functional living materials, Proc. Natl. Acad. Sci. USA, 109(1), 90-94 (2012).
  
• C.R. Kellenberger, N.A. Luechinger, A. Lamprou, M. Rossier, R.N. Grass, W.J. Stark, Soluble nanoparticles as removable pore templates for the preparation of polymer ultrafiltration membranes, J. Membr. Sci., 387, 76-82 (2012).
  
• A. Stepuk, D. Mohn, R.N. Grass, M. Zehnder, K.W. Krämer, F. Pellé, A. Ferrier, W.J. Stark, Use of NIR light and upconversion phosphors in light curable polymers, Dental Materials, 28(3), 304-311 (2012).
  
• M. Rossier, A. Schaetz, E.K. Athanassiou, R.N. Grass, W.J. Stark, Reversible As(V) adsorption on magnetic nanoparticles and pH dependent desorption concentrates dilute solutions and realizes true moving bed reactor systems, Chem. Eng. J., 175, 244-250 (2011).
• A. Schaetz, W.J. Stark, R.N. Grass, Magnetic cobalt[0]-graphene nanospheres, e-EROS, in print (2011)
• D.O. Raemy, L.K. Limbach, B. Rothen-Rutishauser, R.N. Grass, P. Gehr, K. Birbaum, C. Brandenberger, D. Günther. W.J. Stark, Cerium oxide nanoparticle uptake kinetics from the gas-phase into lung cells in vitro is transport limite, Eur J Pharm Biopharm, 77(3), 368-375 (2011).
• R. Fuhrer, I.K. Herrmann, E.K. Athanassiou, R.N. Grass, W.J. Stark, Immobilized β-cyclodextrin on carbon coated cobalt nanomagnets: Reversible organic contaminant adsorption and enrichment from water, Langmuir, 27(5), 1924-9 (2011).
• I.K. Herrmann, R.E. Bernabei, M. Urner, R.N. Grass, B. Beck-Schimmer and W.J. Stark, Device for Continuous Extracorporeal Blood Purification using Target-specific Metal Nanomagnets, Nephrol. Dial. Transplant.,26 (9), 2948-2954 (2011).
• S.B. Bubenhofer, F. Krumeich, R. Fuhrer, E.K. Athanassiou, W.J. Stark, R.N. Grass, From embedded to supported metal/oxide nanomaterials: Thermal behavior and structural evolution at elevated temperatures, J. Phys. Chem. C, 115(4), 1269-76 (2011).
• P. K. Maity, A. Rolfe, T.B. Samarakoon, S. Faisal, R.D. Kurtz, T.R. Long, A. Schaetz, D.L. Flynn, R.N. Grass, W.J. Stark, O. Reiser, P.R. Hanson, Monomer-on-Monomer (MoM) Mitsunobu Reaction: Facile Purification Utilizing Surface-Initiated Sequestration, Organic Letters, 13(1), 8-10 (2011).
• A. Schaetz, T.R. Long, R.N. Grass, W.J. Stark, P.R. Hanson, O. Reiser, Immobilization on a Nanomagnetic Co/C Surface using ROM Polymerization: Generation of a Novel Hybrid Material as Support for a Recyclable Palladium Catalyst, Adv. Funct. Mater., 20, 4323–4328 (2010).
• R.N. Grass, L.K. Limbach, E.K. Athanassiou, W.J. Stark, Exposure of aerosols and nanoparticle dispersions to in vitro cell cultures: A review on the dose relevance of size, mass, surface and concentration, J. Aerosol Sci.,41(12), 1123-1142 (2010).
• M. Rossier, F.M.Koehler, E.K. Athanassiou, R.N. Grass, M. Waelle, K. Birbaum, D. Gunther, W.J. Stark WJ, Energy-Efficient Noble Metal Recovery by the Use of Acid-Stable Nanomagnets, Ind. Eng. Chem. Res., 49(19),9355-9362 (2010).
• A.C.C. Rotzetter, N.A. Luechinger, E.K. Athanassiou, D. Mohn, F.M. Koehler, R.N. Grass, Sintering of core-shell Ag/glass nanoparticles: Metal percolation at the glass transition temperature yields metal/glass/ceramic composites, J. Mater. Chem., 20, 7769-75 (2010).
• I.K. Herrmann, M. Urner, F.M. Koehler, M. Hasler, B. Roth-Z'Graggen, R.N. Grass, U. Ziegler, B. Beck-Schimmer, W.J. Stark, Blood Purification Using Functionalized Core/Shell Nanomagnets, Small, 6(13), 1388-1392 (2010).
• E.K. Athanassiou, R.N. Grass, W.J. Stark, One-step large scale gas phase synthesis of Mn2+ doped ZnS nanoparticles in reducing flames, Nanotechnology, 21(21), 215603 (2010).
• S. Wittmann, A. Schaetz, R.N. Grass, W.J. Stark, O. Reiser, A Recyclable ‘Boomerang’ Palladium-catalyst non-covalently supported on Magnetic Co/C-Nanoparticles for the Hydroxycarbonylation of Aryl Halides in water, Angew. Chem. Int. Ed., 49, 1867 - 1870 (2010).
• A. Schaetz, R.N. Grass, Q. Kainz, W.J. Stark, O. Reiser, Cu(II)-Azabis(oxazoline)-complexes immobilized on magnetic Co/C-Nanoparticles: Kinetic Resolution of 1,2-Diols under batch and continuous-flow conditions Chem. Mater., 22(2), 305–310 (2010).
• E. K. Athanassiou, R. N. Grass, W. J. Stark, Chemical Aerosol Engineering as a Novel Tool for Material Science: From oxides to Salt and Metal Nanoparticles, Aerosol. Sci. Tech., 44, 161-72 (2010).
• S. B. Bubenhofer, E. K. Athanassiou, R. N. Grass, F. M. Koehler, M. Rossier, W. J. Stark, Magnetic switching of optical reflectivity in nanomagnet/micromirror suspensions: colloid displays as a potential alternative to liquid crystal displays, Nanotechnology, 20(48), 485302 (2009).
• Norman A. Luechinger, Robert N. Grass, Evagelos K. Athanassiou and Wendelin J. Stark, Bottom-up Fabrication of Metal/Metal Nanocomposites from Nanoparticles of Immiscible Metals, Chemistry of Materials, 22(1), 155-160, (2010).
• F. M. Koehler, M. Rossier, M. Waelle, E. K. Athanassiou, L. K. Limbach, R. N. Grass, D. Gunther, W. J. Stark,Magnetic EDTA: coupling heavy metal chelators to metal nanomagnets for rapid removal of cadmium, lead and copper from contaminated water,Chem. Commun, 32, 4862 – 4864 (2009).
• I. K. Herrmann, R. N. Grass, D. Mazunin, W. J. Stark,Synthesis and Covalent Surface Functionalization of Nonoxidic Iron Core-Shell Nanomagnets,Chem. Mater., 21, 3275-81 (2009).
• W. Weber, C. Lienhart, M. D. E. Baba, R. N. Grass, T. Kohler, R. Muller, W. J. Stark, M. Fussenegger,Magnet-guided transduction of mammalian cells and mice using engineered magnetic lentiviral particles,J. Biotechnol., 141, 118-122 (2009).
• B. Rothen-Rutishauser, R. N. Grass, F. Blank, L. K. Limbach, C. Muhlfeld, C. Brandenberger, D. O. Raemy, P. Gehr, W J. Stark,Direct Combination of Nanoparticle Fabrication and Exposure to Lung Cell Cultures in a Closed Setup as a Method To Simulate Accidental Nanoparticle Exposure of Humans, Environ. Sci. Technol., 43, 2634-2640 (2009).
• L. K. Limbach, R. N. Grass, W. J. Stark,Physio-chemical differences between particle- and molecule-derived toxicity: Can we make inherently safe nanoparticles? CHIMIA, 63, 38-43 (2009).
• F. M. Koehler, N. A. Luechinger, D. Ziegler, E. K. Athanassiou, R. N. Grass, A. Rossi, C. Hierold, A. Stemmer, W. J. Stark, Permanent and pattern-resolved adjustment of the surface potential of graphene-like carbon through chemical functionalization, Angew. Chem. Int. Ed., 48, 224-227, (2009).
• E. K. Athanassiou, F. Krumeich, R. N. Grass, W. J. Stark, Advanced Piezoresistance of Extended Metal-Insulator Core-Shell Nanoparticle Assemblies Phys. Rev. Let., 101, 166804 (2008).
• C.G. Tan, R.N. Grass, Suzuki cross-coupling reactions on the surface of carbon coated: expanding the applicability of core/shell nano-magnets, Chem. Commun., 4297-9 (2008).
• A. Schaetz, R.N. Grass, O. Reiser, W.J. Stark, TEMPO Supported on Magnetic C/Co-Nanoparticles: A Highly Active and Recyclable Organocatalyst, Chem. Eur. J., 14, 8262-6 (2008).
• N.A. Luechinger, N. Booth, G. Heness, S. Bandyopadhyay, R.N. Grass, W.J. Stark, Surfactant-free, melt-processable metal-polymer hybrid materials: Use of graphene as a dispersing agent, Adv. Mater., 20(16), 3044-9 (2008).
• M.J. Stutz, R.N. Grass, S. Loher, W.J. Stark, D. Poulikakos, Fast and exergy efficient start-up of micro-solid oxide fuel cell systems by using the reformer or the post-combustor for start-up heating, J. Power Sources, 182(2), 558-64 (2008).
• R.N. Grass, Chemical aerosol engineering in flames : from oxides to salts and metal nanoparticles, PhD thesis
• O.D. Schneider, S. Loher, T.J. Brunner, L. Uebersax, M. Simonet, R.N. Grass, H.P. Merkle, W.J. Stark, Cotton wool-like nanocomposite biomaterials prepared by electrospinning: In vitro bioactivity and osteogenic differentiation of human mesenchymal stem cells, J. Biomed. Mater. Res., 84B(2), 350-62 (2008).
• E.K. Athanassiou, R.N. Grass, N. Osterwalder, W.J. Stark, Preparation of homogeneous, bulk nanocrystalline Ni/Mo alloys with tripled Vickers hardness using flame-made metal nanoparticles, Chem. Mater., 19 (20), 4847-53 (2007).
• S.C. Halim, T.J. Brunner, R.N. Grass, M. Bohner, W.J. Stark, Preparation of an ultra-fast binding cement from calcium silicate-based mixed oxide nanoparticles, Nanotechnology 18, 395701 (2007).
• T.J. Brunner, R.N. Grass, M. Bohner, W.J. Stark, Effect of particle size, crystal phase and crystallinity on the reactivity of tricalcium phosphate cements for bone reconstruction,, 17, 4072-8 (2007).
• M. Vollenweider T.J. Brunner, S. Knecht, R.N. Grass, M. Zehnder, T. Imfeld, W.J. Stark, Remineralization of human dentin using ultrafine bioactive glass particles, Acta Biomater., 3 (6), 936-43 (2007).
• R.N. Grass, E.K. Athanassiou, W.J. Stark, Covalently Functionalized Cobalt Nanoparticles as a Platform for Magnetic Separations in Organic Synthesis, Angew. Chem. Int. Ed., 46, 4909-12 (2007).
• R.N. Grass, T.F. Albrecht, F. Krumeich, W.J. Stark, Large-scale preparation of ceramic/soft metal nano-composites with a hardness comparable to steel, J. Mater. Chem., 17, 1485-90 (2007).
• E.K. Athanassiou, P. Grossmann, R.N. Grass, W.J. Stark,Template free, large scale synthesis of cobalt nanowires using magnetic fields for alignment, Nanotechnology
• N. Osterwalder, S. Loher, R. N. Grass, T.J. Brunner, L. K. Limbach, S. C. Halim, W. J. Stark,Preparation of nano-gypsum from anhydrite nanoparticles: Strongly increased Vickers hardness and formation of calcium sulfate nano-needles, J. Nanopart. Res., 9, 275-81 (2007).
• R. N. Grass, M. Dietiker, C. Solenthaler, R. Spolenak, W. J. Stark, Grain growth resistance and increased hardness of bulk nanocrystalline fcc cobalt prepared by a bottom-up approach, Nanotechnology, 18(3), 035703 (2007).
• N. A. Luechinger, S. F. Loher, E. K. Athanassiou, R. N. Grass, W. J. Stark, Highly sensitive optical detection of humidity based on liquid condensation on nano-particulate metal films, Langmuir, 23, 3473-7 (2007).
• M. Novinec, R. N. Grass, W. J. Stark, V. Turk, A. Baici, B. Lenarcic, Interaction between human cathepsins K, L and S and elastins: mechanism of elastinolysis and inhibition by macromolecular inhibitors, J. Biol. Chem., 282(11), 7893-902 (2007).
• R.N. Grass, W.J. Stark, Flame spray synthesis under a non-oxidizing atmosphere: Preparation of metallic bismuth nanoparticles and nanocrystalline bulk bismuth metal, J. Nanoparticle Res., 8(5), 729-36 (2006).
• R. N. Grass, W.J. Stark, Gas phase synthesis of fcc-cobaltnanoparticles, J. Mater. Chem., 16, 1825-30 (2006).
• T.J. Brunner, P. Wick, P. Manser, P. Spohn, R.N. Grass, L.K. Limbach, A. Bruinink, W.J. Stark,  In Vitro Cytotoxicity of Oxide Nanoparticles: Comparison to Asbestos, Silica, and the Effect of Particle Solubility, Environ. Sci. Technol., 40(14), 4374-81 (2006).
• T.J. Brunner, R.N. Grass, W.J. Stark, Glass and bioglass nanopowders by flame synthesis, Chem. Commun., 13, 1384-6 (2006).
• R.N. Grass, S. Tsantilis, S.E. Pratsinis, Design of high-temperature, gas-phase synthesis of hard or soft TiO₂ agglomerates, AIChE J., 52(4), 1318-1325 (2006).
• E.K. Athanassiou, R.N. Grass, W.J. Stark, Large scale production of carbon coated copper, Nanotechnolgy, 17(6), 1668-73 (2006).
• L.K. Limbach, Y. Li, R.N. Grass, T.J. Brunner, M.A. Hintermann, M. Muller, D. Gunther, W.J. Stark, Oxide Nanoparticle Uptake in Human Lung Fibroblasts: Effect of Particle Size, Agglomeration and Diffusion at Low Concentration, Env. Sci. Technol., 39(23), 9370-6 (2005).
• J. Sefcik, R. Grass, P. Sandkuhler, M. Morbidelli, Kinetics of aggregation and gelation in colloidal dispersions, Chem. Eng. Res. Des., 83 (A7), 926-32 (2005).R.N. Grass, W.J. Stark, Flame synthesis of calcium-, strontium-, barium fluoride nanoparticles and sodium chloride, Chem. Commun., 14, 1767-9 (2005).
  
  
• Book Chapters
• R. N. Grass, W. J. Stark, Large-Scale Manufacturing of Nanoparticles,  in Nalwa, H. S. (Ed.), Encyclopedia of Nanoscience and Nanotechnology, 2^nd edition, American Scientific Publishers, Stevensons Ranch, 2010.
• R. N. Grass, L. K. Limbach, W. J. Stark, Manufactured Nanoparticles, in Particle Lung Interactions, 2^nd edition, Gehr et al. Eds., Informa Healthcare.
  
  
• B  Patents
• R.N. Grass, Chemically stable magnetic carriers, EP2244268, 2011.
  
• R.N. Grass, W.J. Stark, Carbon coated magnetic nanoparticles for separation processes, applied as PCT (internationally), Nov 2006.
• W. J. Stark, O. Schneider, S. Loher, T. Brunner, M. Simonet, P. Schmidlin, R. Grass, Implant material, applied as PCT (internationally), Oct 23, 2006.
  
• R.N. Grass, E.K. Athanassiou, W.J. Stark, Methods and devices for flame spray pyrolysis, WO2007028267
  
  
• C  Conference Presentations and Proceedings
  
• K. Birbaum, R.N. Grass, D. Günther, L.K. Limbach, W.J. Stark,  No Evidence of Cerium Oxide Nanoparticle Translocation in Maize Plants, AIChE Annaul Meeting, Minneapolis, Minnesota, USA, October 16-21, 2011.
• C.R. Kellenberger, R.N. Grass, N.A. Luechinger, W.J. Stark,  Fast and Reproducible Fabrication of Polymer Ultrafiltration Membranes Using Nanoparticles as Pore-Forming Templates, AIChE Annaul Meeting, Minneapolis, Minnesota, USA, October 16-21, 2011.
• R.N. Grass, K. Birbaum, D. Günther, L.K. Limbach, W.J. Stark,  No Evidence of Cerium Oxide Nanoparticle Translocation in Maize Plants, European Aerosol Conference, Manchester, UK, September 4-9, 2011.
• R.N. Grass, I.K. Herrmann, M. Urner, B. Beck-Schimmer, W.J. Stark, Blood purification Using Functionalized Core-Shell Nanoparticles, oral presentation, AIChE Annual Meeting, Salt Lake City, Utah, USA, November 7-12, 2010.
• R.N. Grass, Carbon coated metal nanoparticles prepared by reducing flame synthesis: a high performance magnetic separation technology platform, World Congress on Particle Technology 6, Nuremberg, Germany, April 26 - 29, 2010.
• R.N. Grass, Are carbon coated metallic nanoparticles an alternative to oxide based magnetic carriers? EPFL Lausanne, Switzerland, Seminar in Group of Inorganic and Bioinorganic Chemistry, Decembre 14, 2009.
• R.N. Grass, S. Huber, Magnetic nucleic acid extraction utilizing amine functionalized nanobeads, AICHE Annual Meeting, Nashville TN, USA, November 9 - 13, 2009.
• R. N. Grass, W. J. Stark Functional nanoparticles - between nanotoxicology, medicine and industrial applications, Academy of Finland, Mid-Term seminar of the Academy of Finland, FinNano, September 16, 2009.
• R. N. Grass, Integrating complex nanomaterials in medical, metallurgic and magnetic applications, Strathclyde Univsersity, Glasgow, UK, May 13, 2009.
• R. N. Grass, Gas/solid thermodynamics in aerosol powder processing - from simple concepts to complex products and their applications. TU Delft, The Netherlands, Seminar, April 15, 2009.
• S. C. Halim, L. K. Limbach, T. J. Brunner, S. Loher, E. K. Athanassiou, R. N. Grass, N. Osterwalder, N. A. Luechinger, F. Koehler, W. J. Stark, Degradable Nanoparticles as alternative ultraviolet radiation filters for Sunscreens, AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• F. M. Koehler, M. Rossier, E. K. Athanassiou, R. N. Grass, W. J. Stark, Magnetic EDTA – Attaching metal chelators to nanomagnets for water purification and heavy metal recovery, AIChE Annual Meeting 2008,Philadelphia, PA, USA, November 16-21, 2008.
• O. D. Schneider, S. Loher, R. N. Grass, T. J. Brunner, W. J. Stark, Antibacterial silver-containing nanocomposites for bone-defect repair, AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• R. N. Grass, W. J. Stark, Are carbon coated metal nanoparticles a high magnetization alternative to oxide based beads? AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• I. K. Herrmann, R. N. Grass, W. J. Stark, Metal core-shell nanomagnets as a carrier for magnetically tagged drugs, AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• E. K. Athanassiou, R. N. Grass, W. J. Stark, Large-scale gas phase synthesis of zinc sulfide nanoparticles, AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• A. Schaetz, R. N. Grass, W. J. Stark, O. Reiser, The covalent attachment of homogeneous catalysts to graphene coated cobalt nanomagnets enables a rapid catalyst recovery, AIChE Annual Meeting 2008, Philadelphia, PA, USA, November 16-21, 2008.
• R. N. Grass, Integrating complex nanomaterials in medical, metallurgical and magnetic applications, Tulane University, New Orleans, USA, Seminar, February 20, 2008.
• E.A. Athanassiou, R.N. Grass, W.J. Stark, Opportunities and limitations of flame made aerosols: Production of biomaterials, metals and alloy nanoparticles, European Aerosol Conference 2008, Thessaloniki, Greece, August 24-29, 2008.
• W.J. Stark, L.K. Limbach, P. Wick, A. Bruinink, R.N. Grass, Acute toxic and possible long term effects of engineered metal oxide nanoparticles, European Aerosol Conference 2008, Thessaloniki, Greece, August 24-29, 2008.
• R.N. Grass, Aerosol based nanomagnets as novel tools in chemical separation and diagnostics, European Aerosol Conference 2008, Thessaloniki, Greece, August 24-29, 2008.
• N.A. Luechinger, R.N. Grass, G. Heness, N. Booth, S. Bandyopadhyay W.J. Stark, Highly magnetic and metal-like thermoplastics based on aerosol-derived graphene-coated cobalt nanoparticles, European Aerosol Conference 2008, Thessaloniki, Greece, August 24-29, 2008.
• R.N. Grass, W.J. Stark, Are carbon coated metal nanoparticles a high magnetization alternative to oxide based beads?, 7^th Conference on Scientific and Clinical Applications of Magnetic Carriers, Vancouver, Canada, May 21-24, 2008.
• E.A. Athanassiou, R.N. Grass, W.J. Stark, Production of chemical functionalized carbon coated cobalt nanoparticles as a novel tool for magnetic separation technology, 7^th Conference on Scientific and Clinical Applications of Magnetic Carriers, Vancouver, Canada, May 21-24, 2008.
• R.N. Grass, E.A. Athanassiou, W.J. Stark, Covalent, Chemical Functionalization Of 1nm Carbon Coated Cobalt Nanoparticles Linking Nano-Magnets And Molecules, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• W.J. Stark, L.K. Limbach, R.N. Grass, P. Wick, A. Bruinink, Exposure Of Engineered Nanoparticles To Human Lung Epithelial Cells: Influence Of Chemical Composition And Catalytic Activity On Oxidative Stress, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• R.N. Grass, E.A. Athanassiou, W.J. Stark, Fabrication Of Metal Matrix Nanocomposites By A Bottom Up Approach – The design Of Mechanical And Electronic Properties, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• R.N. Grass, E.A. Athanassiou, W.J. Stark, Functionalized Carbon Coated Cobalt As A Novel Magnetic Nano-Devices In Separation Technology, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• N.A. Luechinger, R.N. Grass, N. Booth, G. Heness, S. Bandyopadhyay, W.J. Stark, Processing And Structure Of Magnetic  C/Co-Polymer Nanocomposites With Up To 90 Wt% Metal Content, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• N.A. Luechinger, S. Loher, E.K. Athanassiou, R.N. Grass, W.J. Stark, Highly Sensitive Optical Detection of Humidity on Polymer/Metal Nanoparticulate Hybrid Films, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4-9, 2007.
• F.M. Koehler, E.K. Athanassiou, R.N. Grass, W.J. Stark, Application of Functionalized Magnetic Nanoparticles in Separation Technology, AIChE Annual Meeting 2007, Salt Lake City, UT, USA, November 4 -9, 2007.
• T.J. Brunner, M. Vollenweider, S. Knecht, R.N. Grass, M. Zehnder, T. Imfeld, W.J. Stark, Towards A Treatment Of Human Caries Using Ultrafine Bioactive Glass Nanoparticles, AIChE Annual Meeting 2007, Salt Lake City, USA, November 4-9, 2007.
• T.J. Brunner, R.N. Grass, M. Bohner, W.J Stark, Reactivity Of Calcium Phosphate Cements In Dependence Of Particle Size, Crystal Phase And Crystallinity, AIChE Annual Meeting 2007, Salt Lake City, USA, November 4-9, 2007.
• E.K. Athanassiou, P. Grossmann, R.N. Grass, W.J. Stark, Template free, large scale synthesis of metallic cobalt nanowires, AIChE Annual Meeting 2007, Salt Lake City, USA, November 4-9, 2007.
• E.K. Athanassiou, R.N. Grass, W.J. Stark, Large scale production of insulator coated metal based sensors, AIChE Annual Meeting 2007, Salt Lake City, USA, Nov. 04-09, 2007.
• E.K. Athanassiou, R.N. Grass, W.J. Stark, Opportunities and limitations of flame synthesis: Biomaterials, metals and alloys, AIChE Annual Meeting 2007, Salt Lake City, USA, Nov. 04-09, 2007.
• O.D. Schneider, S. Loher, T.J. Brunner, L. Uebersax, M. Simonet, R.N. Grass, H.P. Merkle, W.J. Stark, Cotton wool-like nanocomposite biomaterials prepared by electrospinning: In vitro bioactivity and osteogenic differentiation of human mesenchymal stem cells, 21st European Conference On Biomaterials 2007, Brighton, UK, September 9-13, 2007.
• R.N. Grass, E.K. Athanassiou, W.J. Stark, Aerosol reaction engineering in flames: From oxides to salt and metal nanoparticles, European Aerosol Conference 2007, Salzburg, Austria, September 9-14, 2007.
• R.N. Grass, W.J. Stark, Aerosol synthesis as a route to bulk nanocrystalline metals and composites with superior mechanical properties, poster, European Aerosol Conference 2007, Salzburg, Austria, September 9-14 2007.
• E.K. Athanassiou, R.N. Grass, W.J. Stark, Aerosol synthesis as a route to metallic Ni-Mo alloys with enhanced mechanical properties, European Aerosol Conference 2007, Salzburg, Austria, September 9-14 2007.
• S.C. Halim, N. Osterwalder, S. Loher, R.N. Grass, T.J. Brunner, L.K. Ludwig, M. Bohner, W.J. Stark, Nanoparticulate construction materials via flame spray synthesis: Enhanced reactivity of nano-Portland cement and improved hardness of nano-gypsum, European Aerosol Conference 2007, Salzburg, Austria, September 9-14, 2007.
• E.K. Athanassiou, R.N. Grass, W.J. Stark, Air stable, carbon coated metal nanoparticles of sensor applications, poster, European Aerosol Conference 2007, Salzburg, Austria, September 9-14 2007.
• B. Rothen-Rutishauser, R.N. Grass, F. Blank, L. K. Limbach, C. Mühlfeld, P. Gehr, W.J. Stark, Risk assessment of nanoparticle exposure at working places, 11th ETH-Conference on Combustion Generated Nanoparticles, Aug 13-15, Zurich, Switzerland, 2007.
• F. Blank, R.N. Grass, W.J. Stark, C.H. Mühlfeld, P. Gehr, B. Rothen-Rutishauser, a new nanoparticle exposure system for lung cells using flame spray synthesis in a glove box, International society for aerosols in medicine (ISAM 2007), Tours, France, June 16-20, 2007.
• T.J. Brunner, R.N. Grass, W.J. Stark, Nanoparticulate biomaterials by flame synthesis, PARTEC, Nuremberg, Germany, March 27-29, 2007.
• R.N. Grass, W.J. Stark, Cobalt nanoparticles by reducing flame spray synthesis, poster, PARTEC, Nuremberg, Germany, March 27-29, 2007.
• R.N. Grass, W.J. Stark, Reducing flame synthesis: production of metallic nanoparticles by cost efficient flame processing, poster, PARTEC, Nuremberg, Germany, March 27-29, 2007.
• R.N. Grass, W.J. Stark, Reducing flame spray synthesis of bismuth: pure metal nanoparticles and bulk nanocrystalline samples, poster, PARTEC, Nuremberg, Germany, March 27-29, 2007.
• R.N. Grass, W.J. Stark, Production of Metallic Bismuth Nanoparticles by Reducing Flame Spray Synthesis, AIChE Annual Meeting, San Francisco, CA, USA, November 12–17, 2006.
• R.N. Grass, W.J. Stark, Air-Stable Highly Magnetic Fcc-Cobalt Nanoparticles, AIChE Annual Meeting, San Francisco, CA, USA, November 12–17, 2006.
• R.N. Grass, W.J. Stark, Influence of Gas-Phase Thermodynamics on the Products of Flame Synthesis: from Oxides to Salt and Metal Nanoparticles, AIChE Annual Meeting, San Francisco, CA, USA, November 12-17, 2006.
• R.N. Grass, W.J. Stark, Cobalt Nanoparticles by Reducing Flame Synthesis (poster), AIChE Annual Meeting, San Francisco, CA, USA, Nov 12–17, 2006.
• R.N. Grass, W.J. Stark, Reducing Flame Spray Synthesis of Bismuth: Pure Metal Nanoparticles and Bulk Nanocrystalline Samples, poster, AIChE Annual Meeting, San Francisco, CA, USA, November 12-17, 2006.
• R.N. Grass, W.J. Stark, Influence of Gas-Phase Thermodynamics on the Products of Flame Synthesis: from Oxides to Salt and Metal Nanoparticles, poster, SCS Fall Meeting, Zurich, Switzerland, 2006.
• R.N. Grass et al., Preparation of oxide, salt, metal and carbon nanoparticles in flames: Safety precautions for everyday work with nanoparticles and sustainable product development, poster, 10th ETH Conference on Combustion Generated Nanoparticles, ETH Zurich, Switzerland, August 21-23, 2006.
• R.N. Grass, E.K Athanassiou, W.J. Stark, Towards large scale preparation of metal nanoparticles: Cobalt bismuth and copper nanoparticles for nanocrystalline metals, ultrastable alloys and sensors, ICN+T, Basel, Switzerland, July 30 - August 4, 2006.
• R.N. Grass: Towards large scale preparation of metal nanoparticles:Cobalt bismuth and copper nanoparticles for nanocrystalline metals, ultrastable alloys and
• sensors, poster, 1st MRC Graduate Symposium, ETH Zurich, Switzerland, June 29, 2006.
• R.N. Grass, W.J. Stark: Synthesis of Non-Oxidic Nano Scale Materials Using Flame Spray Synthesis, AIChE Annual Meeting, Cincinnati, OH, USA, October 30 –November 4, 2005.
• R.Grass, S. Tsantilis and S. E. Pratsinis: TiO2 particles made in Flames: Soft, Hard and even Non-Agglomerates, poster, AICHE Annual Meeting, San Francisco, USA, 2003.
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• R. Grass, J. Sefcik and M. Morbidelli: Domain formation through gelation of nanoparticles, poster, AICHE Annual Meeting, San Francisco, USA, 2003.

Contact Info

Institute for Chemical and Bioengineering
Wolfgang-Pauli-Str. 10
ETH Zurich, HCI E 105
CH-8093 Zurich

Tel: +41 44 633 63 34
Fax: +41 44 633 10 83
E-Mail: Robert Grass