Dr. Ronny Vavrin
Professional Experience |
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| - | Swiss Patent Attorney and European Patent Attorney at Frei Patentanwaltsbüro, Switzerland | |
| - | European Patent Attorney at Frei Patentanwaltsbüro, Switzerland | |
| - | Patent Engineer and Patent Attorney Trainee at Frei Patentanwaltsbüro, Switzerland | |
| - | Patent Engineer and Patent Attorney Trainee at Keller&Partner Patentanwälte, Switzerland | |
| - | Research Scientist at the Paul Scherrer Institute (PSI) and ETH Zurich, Switzerland | |
| - | Local contact for the SANSI instrument at the Paul Scherrer Institute (PSI), Switzerland | |
| - | Working part time for LS Instruments in production, sales and maintenance | |
| - | Full assistant at the department of physics, University of Fribourg, Switzerland | |
Education |
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| - | Training, courses and qualification as registered Swiss Patent Attorney | |
| - | Training, courses and qualification as registered European Patent Attorney | |
| - | PhD in physics "Time-resolved Investigation of Aggregation and Sol-Gel Transition in Colloidal Suspensions" in the Soft Condensed Matter Group, University of Fribourg, Switzerland | |
| - | Physics studies at the University of Fribourg, Switzerland; bilingual courses (german and french) Diploma work "Anwendung der 3D-Kreuzkorrelations-Methode in einem bildgebenden Verfahren" (Imaging of heterogeneous turbid media using the 3D-cross-correlation-scheme) in the Soft Condensed Matter Group |
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Research Experience |
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| - | Investigation of phase transitions of lipids, polymers and colloidal systems under varying temperature and pressure using neutron and light scattering techniques | |
| - | Further development of a high pressure cell up to 500 MPa for SANS (PSI, Switzerland) in combination with light scattering (Dynamic Light Scattering and Diffusing Wave Spectroscopy) to investigate liquid samples | |
| - | Construction of a Multi Angle 3D cross correlation setup for time resolved measurements | |
| - | Time resolved characterisation of a colloidal aggregation process using neutron and light scattering on a model system | |
| - | Further development of a combined SANS (PSI, Switzerland) and Diffusing Wave Spectroscopy setup | |
| - | Testing the applicability of the 3D cross correlation dynamic light scattering scheme in imaging techniques | |
Publications |
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Spin density wave induced disordering of the vortex lattice in superconducting La2-xSrx-CuO4
Chang J; White J S; Laver M; Bowell C J; Brown S P; Holmes A T; Maechler L; Strassle S; Gilardi R; Gerber S; Kurosawa T; Momono N; Oda M; Ido M; Lipscombe O J; Hayden S M; Dewhurst C D; Vavrin R; Gavilano J; Kohlbrecher J; Forgan E M and Mesot J Physical Review B 85, 134520 (2012) |
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Osmotic shrinkage in star / linear polymer mixtures
Wilk A; Huissmann S; Stiakakis E; Kohlbrecher J; Vlassopoulos D; Likos C N; Meier G; Dhont J K G; Petekidis G and Vavrin R European Physical Journal E 32, 127 (2010) |
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Structural changes of poly(N-isopropylacrylamide)-based microgels induced by hydrostatic pressure and temperature studied by small angle neutron scattering
Lietor-Santos J J; Gasser U; Vavrin R; Hu Z B and Fernandez-Nieves A Journal of Chemical Physics 133, 034901 (2010) |
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Deswelling Microgel Particles Using Hydrostatic Pressure
Lietor-Santos J J; Sierra-Martin B; Vavrin R; Hu Z B; Gasser U and Fernandez-Nieves A Macromolecules 42 (16), 6225-6230 (2009) |
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A new instrument for time-resolved static and dynamic light-scattering experiments in turbid media
Moitzi C; Vavrin R; Bhat S K; Stradner A and Schurtenberger P Journal of Colloid and Interface Science 336(2), 565-74 (2009) |
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Structure and phase diagram of an adhesive colloidal dispersion under high pressure: A small angle neutron scattering, diffusing wave spectroscopy, and light scattering study
Vavrin R; Kohlbrecher J; Wilk A; Ratajczyk M; Lettinga M P; Buitenhuis J and Meier G Journal of Chemical Physics 130, 154903 (2009) The article may be found at http://link.aip.org/link/?JCP/130/154903 (copyright notice) |
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Small-angle neutron scattering study of protein unfolding and refolding
Aswal V K; Chodankar S; Kohlbrecher J; Vavrin R; Wagh A G Physical Review E 80, 011924 (2009) |
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Small-angle neutron scattering study of structure and kinetics of temperature-induced protein gelation
Chodankar S N; Aswal V K; Kohlbrecher J; Vavrin R and Wagh A G Physical Review E 79, 021912 (2009) |
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Pressure-induced structural transition of nonionic
micelles
Aswal V K; Vavrin R; Kohlbrecher J and Wagh A G Pramana - Journal of Physics Vol. 71, No. 5, pp 1051-1055 (2008) |
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Small angle neutron scattering studies on protein denaturation induced by different methods
Chodankar S N; Aswal V K; Kohlbrecher J; Vavrin R and Wagh A G Pramana - Journal of Physics Vol. 71, No. 5, pp 1021-1025 (2008) |
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Small-angle neutron scattering study of structural evolution of different phases in protein solution
Aswal V K; Chodankar S N; Kohlbrecher J; Vavrin R and Wagh A G Pramana - Journal of Physics Vol. 71, No. 4, pp 877-885 (2008) |
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Structural study of coacervation in protein-polyelectrolyte complexes
Chodankar S N; Aswal V K; Kohlbrecher J; Vavrin R and Wagh A G Physical Review E 78, 031913 (2008) |
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New Sources and Instrumentation for Neutrons in Biology
Teixeira S C M; Zaccai G; Ankner J; Bellissent-Funel M C; Bewley R; Blakeley M P; Callow P; Coates L; Dahint R; Dalgliesh R; Dencher N A; Forsyth V T; Fragneto G, Frick B; Gilles R; Gutberlet T; Haertlein M; Hauss T; Haeussler W; Heller W T; Herwig K; Holderer O; Juranyi F; Kampmann R; Knott R; Krueger S; Langan P; Lechner R E; Lynn G; Majkrzak; May R P; Meilleur F; Mo Y; Mortensen K; Myles D A A; Natali F; Neylon C; Niimura N; Ollivier J; Ostermann A; Peters J; Pieper J; Ruehm A; Schwahn D; Shibata K; Soper A K; Straessle T; Suzuki J; Tanaka I; Tehei M; Timmins P; Torikai N; Unruh T; Urban V; Vavrin R and Weiss K Chemical Physics 345, 133-151 (2008) |
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SANS and DLS Studies of Protein Unfolding in Presence of Urea and Surfactant
Aswal V K; Chodankar S N; Kohlbrecher J; Vavrin R and Wagh A G AIP Conference Proceedings, AIP, 989, 53-58 (2008) |
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Structural evolution during protein denaturation as induced by different methods
Chodankar S N; Aswal V K; Kohlbrecher J; Vavrin R and Wagh A G Physical Review E 77, 031901 (2008) |
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SANS and dynamic light scattering to investigate the viscosity of toluene under high pressure up to 1800bar
Meier G; Vavrin R; Kohlbrecher J; Buitenhuis J; Lettinga M P and Ratajczyk M Measurement Science and Technology 19, 034017 (2008) |
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A high pressure cell for small angle neutron scattering up to 500MPa in combination with light scattering to investigate liquid samples
Kohlbrecher J; Bollhalder A; Vavrin R and Meier G Review of Scientific Instruments 78, 125101 (2007) The article may be found at http://link.aip.org/link/?RSI/78/125101 (copyright notice) |
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Surfactant-induced protein unfolding as studied by small-angle neutron scattering and dynamic light scattering
Chodankar S; Aswal V K; Kohlbrecher J; Vavrin R and Wagh A G Journal of Physics: Condensed Matter, Volume 19, Issue 32, pp. 326102 (2007) |
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Time-resolved Investigation of Aggregation and Sol-Gel Transition in Colloidal Suspensions
Vavrin R Inaugural Dissertation, University of Fribourg (2005) Suedwestdeutscher Verlag fuer Hochschulschriften (2009) ISBN-10: 3838105141 ISBN-13: 978-3838105147 and published online at eThesis, University of Fribourg (2005) download pdf (24.6Mb) at http://ethesis.unifr.ch/theses/downloads.php?file=VavrinR.pdf (copyright notice) |
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PCS particle sizing in turbid suspensions: scope and limitations
Scheffold F; Shalkevich A; Vavrin R; Crassous J and Schurtenberger P Chapter of Particle Sizing and Characterization, pages 1-28. Number 881 in ACS Symposium Series. Oxford University Press (2004) |
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Scattering Probes of Complex Fluids and Solids
Vavrin R; Stradner A; Kohlbrecher J; Scheffold F and Schurtenberger P Slow Dynamics in Complex Systems, 3rd international Symposium, M. Tokuyama and I. Oppenheim (Eds.), American Institute of Physics conference proceedings (2004) |
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Particle dynamics in concentrated colloidal suspensions
Rojas L; Vavrin R; Urban C; Kohlbrecher J; Stradner A; Scheffold F and Schurtenberger P Faraday Discussions 123, 385-400 (2003) |
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Aggregation and gelation in colloidal suspensions - Time-resolved light and neutron scattering experiments
Schurtenberger P; Bissig H; Rojas L; Vavrin R; Stradner A; Romer S; Scheffold F and Trappe V ACS Symposium Series "Mesoscale Phenomena in Fluid Systems", F. Case and P. Alexandridis, Eds., pp 143-160 (2003) |
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