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Publication list for
Stefan Radel
as author or essentially involved person

98 records (2003 - 2019)


Publications in Scientific Journals


  1. S. Freitag, B. Baumgartner, S. Tauber, C. Gasser, S. Radel, A. Schwaighofer, B. Lendl:
    "An Acoustic Trap for Bead Injection Attenuated Total Reflection Infrared Spectroscopy";
    Analytical Chemistry, 91 (2019), 12; 7672 - 7678.

  2. K. Wieland, S. Tauber, L. Rettenbacher, L. Lux, S. Radel, B. Lendl:
    "In-Line Ultrasound-Enhanced Raman Spectroscopy Allows for Highly Sensitive Analysis with Improved Selectivity in Suspensions";
    Analytical Chemistry, 91 (2019), 22; 14231 - 14238.

  3. E. Benes, H. Nowotny, S. Braun, S. Radel, M. Gröschl:
    "Analytical sensor response function of viscosity sensors based on layered piezoelectric thickness shear resonators";
    Physics Procedia, 70 (2015), 236 - 240.

  4. C. Koch, M. Brandstätter, P. Wechselberger, B. Lorantfy, M. R. Plata Torres, S. Radel, C. Herwig, B. Lendl:
    "Ultrasound-Enhanced Attenuated Total Reflection Mid-infrared Spectroscopy In-Line Probe: Acquisition of Cell Spectra in a Bioreactor";
    Analytical Chemistry, 87 (2015), 2314 - 2320.

  5. C. Koch, M. Brandstetter, B. Lendl, S. Radel:
    "Ultrasonic Manipulation of Yeast Cells in Suspension for Absorption Spectroscopy with an Immersible Mid-Infrared Fibre Optic Probe";
    Ultrasound in Medicine and Biology, 39 (2013), 6; 1094 - 1101.

  6. S. Radel, J. Schnöller, M. Gröschl, E. Benes, B. Lendl:
    "On Chemical and Ultrasonic Strategies to Improve a Portable FT-IR ATR Process Analyzer for Online Fermentation Monitoring";
    IEEE Sensors Journal, 10 (2010), 10; 1615 - 1622.

  7. S. Radel:
    "Influence of biomass, throughput and true electric power input on the separation efficiency of a 60 mL acoustic filter\";
    Elektrotechnik & Informationstechnik, 126 (2009), 51 - 57.

  8. S. Radel, E. Benes:
    "Utilisation of layered piezoelectric resonators for the online measurement of mass density and viscosity of fluids";
    Elektrotechnik & Informationstechnik, 126 (2009), 19 - 30.

  9. S. Radel, M. Brandstetter, T. Lendl:
    "Observation of particles manipulated by ultrasound in close proximity to a cone-shaped infrared spectroscopy probe";
    Ultrasonics, 50 (2009), 240 - 246.

  10. S. Radel, J. Schnöller, A. Domínguez-Vidal, B. Lendl, M. Gröschl, E. Benes:
    "Raman spectroscopy of particles in suspension concentrated by an ultrasonic standing wave";
    Elektrotechnik und Informationstechnik, 125 (2008), 3; 82 - 85.

  11. S. Radel, J. Schnöller, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle manipulation exploited in on-line infrared spectroscopy of (cell) suspension";
    Elektrotechnik und Informationstechnik, 125 (2008), 3; 76 - 81.

  12. M. Ruedas-Rama, A. Domínguez-Vidal, S. Radel, B. Lendl:
    "Ultrasonic Trapping of Microparticles in Suspension and Reaction Monitoring Using Raman Microspectroscopy";
    Analytical Chemistry, 79 (2007), 20; 7853 - 7857.

  13. L. Gherardini, C.M. Cousins, J.J. Hawkes, J. Spengler, S. Radel, H. Lawler, B. Devcic-Kuhar, M. Gröschl, W.T. Coakley, A.J. McLoughlin:
    "A new Immobilisation method to arrange particles in a gel matrix by ultrasound standing waves";
    Ultrasound in Medicine and Biology, 31 (2005), 2; 261 - 272.

  14. S. Radel, C. Hauser, M. Gröschl, E. Benes:
    "On a dual-chamber ultrasonic separator for the filtration of suspensions containing yeast cells and oil";
    Acustica - acta acustica, 91 (2005), 173.


Contributions to Books


  1. S. Radel, C. Koch:
    "Ecological competence of yeast suspensions in acoustic filters";
    in: "Patient - Ultrasound Interaction: Latest developments and efforts in medical ultrasound safety topics and bio-effects research", M. Dolezal, C. Kollmann (ed.); Palacký University, Olomouc/CZ, 2010, ISBN: 978-80-244-2656-3, 119 - 160.


Contributions to Proceedings


  1. S. Freitag, A. Schwaighofer, S. Radel, B. Lendl:
    "Towards ultrasound enhanced mid-IR spectroscopy for sensing bacteria in aqueous solutions";
    in: "Proceedings of SPIE-The International Society for Optical Engineering", 2018; issued by: SPIE; SPIE, Bellingham, Washington USA, 2018, ISSN: 0277-786x, 104910M.

  2. E. Benes, M. Gröschl, S. Radel, C. Hauser, H. Böhm, H. Nowotny:
    "New simple mathematical model for the separation performance of ultrasonic cell filters";
    in: "Proc. 2nd Congress of Alps-Adria Acoustics Association and 1st Congress of Acoustical Society of Croatia", Acoustical Society of Croatia, Zagreb/Croatia, 2005, ISBN: 953-95097-0-x, 14 - 17.

  3. C. Hauser, S. Radel, M. Gröschl, E. Benes:
    "The influence of suspension and emulsion layers in ultrasonic BAW resonators";
    in: "Proc. 2nd Congress of Alps-Adria Acoustics Association and 1st Congress of Acoustical Society of Croatia", Acoustical Society of Croatia, Zagreb/Croatia, 2005, ISBN: 953-95097-0-x, 66 - 75.

  4. S. Radel, C. Hauser, M. Gröschl, E. Benes:
    "Application of dual ultrasonic separation on suspensions containing yeast cells and oil";
    in: "Proc. 2nd Congress of Alps-Adria Acoustics Association and 1st Congress of Acoustical Society of Croatia,", Acoustical Society of Croatia, Zagreb/Croatia, 2005, ISBN: 953-95097-0-x, 55 - 61.

  5. S. Radel, C. Hauser, M. Gröschl, E. Benes:
    "On a dual-chamber ultrasonic separator for the filtration of suspensions containing yeast cells and oil";
    in: "Proc. Forum Acusticum 2005", OPAKFI - Scientific Society for Optics, Acoustics, Motion Pictures and Theatre Technology, Budapest/H, 2005, ISBN: 9638241683, 8 pages.

  6. E. Benes, M. Gröschl, S. Radel, H. Nowotny:
    "Splitting of dispersions by ultrasonic standing wave fields";
    in: "Proc. 18th Int. Congress on Acoustics (ICA 2004)", Acoustical Society of Japan, Kyoto/Japan, 2004, ISBN: 4-9901915-6-0, 4 pages.

  7. S. Radel, J. Schnöller, E. Benes, B. Lendl:
    "Ultrasonic standing wave accelerates on-line measurement and prevents coating of a FTIR ATR flow cell";
    in: "Proc. IEEE Sensors 2004", D. Rocha, P.M. Sarro, M. Vellekoop (ed.); IEEE, 2004, 757 - 759.


Talks and Poster Presentations (with Proceedings-Entry)


  1. C. Koch, M. R. Plata Torres, P. Wechselberger, M. Brandstetter, B. Lorantfy, S. Radel, C. Herwig, B. Lendl:
    "Spectroscopy of Yeast Cells During Fermentation Using an In-line Ultrasound Enhanced ATR FTIR Fiber Optic Probe";
    Poster: ICAVS 7, Kobe, Japan; 08-25-2013 - 08-30-2013; in: "Seventh International Conference on Advanced Vibrational Spectroscopy - Program - Abstracts", (2013), 284.

  2. C. Koch, M. R. Plata Torres, S. Radel, B. Lorantfy, P. Wechselberger, C. Herwig, B. Lendl:
    "In-line spectroscopy of yeast cells during fermentation using an ultrasound enhanced ATR FT-IR fibre otpic probe";
    Talk: 9. ASAC JunganalytikerInnen Forum, Wien; 06-21-2013 - 06-22-2013; in: "Book of Abstracts - 9. ASAC JunganalytikerInnen Forum", (2013), 39.

  3. C. Koch, S. Radel, M. Brandstetter, B. Lendl:
    "Ultrasound enhanced FTIR spectroscopy of industrial bioprocesses";
    Keynote Lecture: First International WORKshop on Infrared Technologies, Olching (invited); 11-12-2012 - 11-13-2012; in: "First International WORKshop on Infrared Technologies", (2012), 2 pages.

  4. C. Koch, M. R. Plata Torres, S. Radel, B. Lendl:
    "Ultrasound enhanced ATR mid-IR fibre optic probe for spectroscopy of particles in suspensions";
    Talk: SciX 2012, Kansas City, MO, USA (invited); 09-30-2012 - 10-05-2012; in: "SciX 2012 - Final Book of Abstracts", (2012), 211 - 212.

  5. S. Radel, C. Koch, M. Brandstetter, B. Lendl:
    "Exploiting an USW for attenuated total reflection spectroscopy";
    Talk: USWNet 2010 Conference, Groningen, Niederlande; 10-02-2010 - 10-03-2010; in: "USWNet 2010 Conference - Abstracts & Scientific program", (2010), 34 - 35.

  6. E. Benes, H. Nowotny, S. Radel, B. Devcic-Kuhar, M. Gröschl:
    "Layered piezoelectric resonators for the online measurement of the viscosity of fluids";
    Keynote Lecture: EAA EuroRegio 1st European Congress on Sound and Vibration, Ljubljana/Slovenia (invited); 09-17-2010; in: "Proc. EAA EuroRegio 1st European Congress on Sound and Vibration", (2010), Paper ID 265, 11 pages.

  7. S. Radel, M. Brandstetter, C. Koch, B. Lendl:
    "Ultrasonic radiation forces used to spatially manipulate yeast cells for infrared spectroscopy purposes";
    Talk: 1st EAA - EuroRegio 2010, Ljubljana(Slovenia (invited); 09-17-2010; in: "1st EAA - EuroRegio 2010 Congress on Sound and Vibration", (2010), ISBN: 978-961-269-283-4.

  8. C. Koch, P. Palmesi, M. Brandstetter, S. Radel, M. Gröschl, B. Lendl:
    "Towards ultrasonic enhanced mid-IR fiber optic probes for in-line bioprocess monitoring";
    Talk: 1st EAA - EuroRegio 2010, Ljubljana, Slovenia; 09-15-2010 - 09-18-2010; in: "1st EAA - EuroRegio 2010 Congress on Sound and Vibration", (2010), ISBN: 978-961-269-283-4; Paper ID 220, 1 pages.

  9. C. Koch, S. Radel, M. Gröschl, E. Benes:
    "Bio-suspensions in the ultrasonic h-shape filter";
    Poster: 7th USWNet Conference, KTH-AlbaNova, Stockholm/Sweden; 11-30-2009 - 12-01-2009; in: "Proc. 7th USWNet Conference", (2009), 1.

  10. S. Radel, M. Brandstetter, B. Lendl:
    "USW manipulating the location of suspended yeast cells in close proximity to an in-line infrared spectroscopy probe";
    Talk: USWNet 2009, Stockholm; 11-30-2009 - 12-01-2009; in: "USWNet 2009 Proceedings", (2009).

  11. S. Radel, M. Brandstetter, T. Lendl:
    "USW manipulating the location of suspended yeast cells in close proximity to an in-line infrared spectroscopy probe";
    Talk: 7th USWNet Conference, KTH-AlbaNova, Stockholm/Sweden; 11-30-2009; in: "Proc. 7th USWNet Conference", (2009), 1 - 2.

  12. C. Koch, S. Radel, M. Gröschl, E. Benes:
    "Effect of the ultrasound field in an h-shape filter on yeast cultures";
    Poster: Regional Biophysics Conference 2009, Institute of Biophysics, Johannes Kepler University, Linz/OÖ; 02-11-2009; in: "Regional Biophysics Conference 2009 - Book of Abstracts", (2009), 152.

  13. S. Radel, L. Gherardini, A.J. McLoughlin, C. Koch, M. Gröschl, E. Benes, B. Lendl:
    "Yeasts in suspension exposed to 2-Megahertz ultrasound";
    Talk: Regional Biophysics Conference 2009, Institute of Biophysics, Johannes Kepler University, Linz/OÖ; 02-11-2009; in: "Regional Biophysics Conference 2009 - Book of Abstracts", (2009), 44.

  14. C. Koch, S. Radel, M. Gröschl, E. Benes:
    "Effect of ultrasonic plane wave fields on yeast cultures";
    Talk: ICU 2009 - International Congress on Ultrasonics, Universidad de Santiago de Chile, Santiago/Chile; 01-11-2009 - 01-17-2009; in: "ICU 2009 - International Congress on Ultrasonics - Book of Abstracts", (2009), 268.

  15. S. Radel, M. Brandstetter, B. Lendl, E. Benes:
    "ATR mid-infrared spectroscopy of suspended particles spatially controlled by an ultrasonic standing wave";
    Talk: ICU 2009 - International Congress on Ultrasonics, Universidad de Santiago de Chile, Santiago/Chile; 01-11-2009; in: "ICU 2009 - International Congress on Ultrasonics - Book of Abstracts", (2009), 65.

  16. S. Radel, M. Brandstetter, B. Lendl:
    "Infrared absorbance spectra of water influenced by an ultrasonic standing wave";
    Talk: 6th USWNet Conference, ETH Zürich/Schweiz; 11-13-2008; in: "Proc. 6th USWNet Conference", Zürich/Schweiz (2008), 1 - 2.

  17. M. Brandstetter, S. Radel, B. Lendl:
    "Variations in the mid-infrared absorbance spectrum of water due to an ultrasonic standing wave inducing temperature changes";
    Poster: Informationstagung Mikroelektronik ME 08, Wien; 10-15-2008 - 10-16-2008; in: "Proc. Informationstagung Mikroelektronik 08", OVE Österreichischer Verband für Elektrotechnik 2008, Wien (2008), ISBN: 978-3-85133-049-6; 64 - 68.

  18. M. Straßl, R. Aschauer, S. Radel:
    "Evaluation of the influence of spurious longitudinal waves on the viscosity measurement of low-viscous fluids using an AT-cut quartz BAW sensor";
    Poster: Informationstagung Mikroelektronik 08, Wien; 10-15-2008 - 10-16-2008; in: "Proc. Informationstagung Mikroelektronik 08", Wien (2008), ISBN: 978-3-85133-049-6; 69 - 72.

  19. E. Benes, R. Schnitzer, S. Radel, M. Paroha, M. Gröschl:
    "Viscosity sensor based on a biconvex quartz crystal thickness shear resonator in a novel stress-free holder";
    Talk: 3rd Congress of the Alps Adria Acoustics Association, Hotel Weitzer, Graz; 09-27-2007; in: "Proc. 3rd Congress of the Alps Adria Acoustics Association", Hrsg: Joanneum Research, (2007), 8 pages.

  20. O. Hekele, C. Gösselsberger, M. Brandstetter, M. Aumayr, S. Radel, R. Sommer, I. Gebeshuber:
    "Bacillus subtilis investigated by bio- and nanotechnological methods";
    Poster: 57. Jahrestagung Österreichische Physikalische Gesellschaft, Donau-Universität Krems; 09-27-2007; in: "57. Jahrestagung der Österreichischen Physikalischen Gesellschaft (24. - 28.9.2007), Donau-Universität Krems, Book of Abstracts", (2007), 85 - 86.

  21. C. Koch, S. Radel, M. Gröschl, E. Benes, W.T. Coakley:
    "Effects of ultrasonic plane wave fields on yeast cultures";
    Talk: 3rd Congress of the Alps Adria Acoustics Association, Hotel Weitzer, Graz; 09-27-2007; in: "3rd Congress of the Alps Adria Acoustics Association, Hrsg: Joanneum Research", (2007), 4 pages.

  22. S. Radel, J. Schnöller, A. Dominguez-Vidal, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle manipulation approaches in on-line ATR FTIR";
    Talk: 3rd Congress of the Alps Adria Acoustics Association, Hotel Weitzer, Graz; 09-27-2007; in: "3rd Congress of the Alps Adria Acoustics Association, Hrsg: Joanneum Research", (2007), 4 pages.

  23. R. Schnitzer, S. Radel, C. Hauser, E. Benes, R. Möslinger, M. Gröschl:
    "Influence of the liquid's permittivity on measurements with resonant ultrasonic viscosity sensors";
    Talk: 3rd Congress of the Alps Adria Acoustics Association, Hotel Weitzer, Graz; 09-27-2007; in: "3rd Congress of the Alps Adria Acoustics Association, Hrsg: Joanneum Research", (2007), 7 pages.

  24. S. Radel, J. Schnöller, A. Dominguez-Vidal, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle manipulation approaches in on-line vibrational spectroscopy";
    Talk: Eingeladener Vortrag, 19th Int. Congress on Acoustics - ICA, Madrid/E (invited); 09-03-2007; in: "Proc. 19th Int. Congress on Acoustics, Eds., A. Calvo-Manzano, A. Pérez-López, S. Salvador", (2007), ISBN: 84-87985-12-2; Paper ID CD-Rom Paper ULT-14-004, 6 pages.

  25. S. Radel, J. Schnöller, A. Domínguez-Vidal, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle manipulation approaches in on-line vibrational spectroscopy";
    Keynote Lecture: 19th International Congress on Acoustics, Madrid; 09-02-2007 - 09-07-2007; in: "Official Publication of the 19th International Congress on Acoustics", A. Calvo-Manzano, A. Pérez-López, S. Salvador (ed.); (2007), ISBN: 84-87985-12-2.

  26. C. Koch, S. Radel, M. Gröschl, E. Benes:
    "Yeast cultures affected by ultrasonic plane wave fields";
    Poster: ICU 2007, TU Wien; 04-09-2007 - 04-12-2007; in: "2007 ICU Vienna - Int. Congress on Ultrasonics, TU Wien, 9. - 12.4.2007, Book of Abstracts", (2007), 156.

  27. S. Radel, J. Schnöller, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle manipulation exploited for infrared and Raman spectroscopy of suspensions";
    Poster: ICU 2007, TU Wien; 04-09-2007 - 04-12-2007; in: "2007 ICU Vienna - Int. Congress on Ultrasonics, TU Wien, 9. - 12.4.2007, Book of Abstracts", (2007), 156.

  28. F. Wippel, S. Radel, M. Gröschl, E. Benes:
    "Ultrasonically enhanced retention of low-concentrated engine oil";
    Poster: ICU 2007, TU Wien; 04-09-2007 - 04-12-2007; in: "2007 ICU Vienna - Int. Congress on Ultrasonics, TU Wien, 9. - 12.4.2007, Book of Abstracts", (2007), 156.

  29. S. Radel, J. Schnöller, A. Dominguez, B. Lendl, M. Gröschl, E. Benes:
    "Ultrasonic particle separation for improving SNR of RAMAN spectra from particles in suspension";
    Poster: 2nd Europ. Conf. on Filtration and Separation, Compiègne /F; 10-12-2006 - 10-13-2006; in: "Proceedings of the 2nd Europ. Conf. on Filtration and Separation", (2006), ISBN 10: 2-913923-25-9, ISBN 13:978-2-913923-25-6; 449 - 454.

  30. S. Radel, J. Schnöller, A. Domínguez-Vidal, M. Gröschl, E. Benes:
    "Ultrasonic particle separation for improving SNR of Raman spectra from particles in suspension";
    Poster: ECFS 2006 2nd European Conference on Filtration and Separation, Compiegne; 10-12-2006 - 10-13-2006; in: "Proceedings of the 2nd European Conference on Filtration and Separation", Université de Technologie de Compiegne, Compiegne (2006), ISBN: 2-913923-25-9; 126 - 130.


Talks and Poster Presentations (without Proceedings-Entry)


  1. S. Freitag, A. Schwaighofer, S. Radel, B. Lendl:
    "Ultrasound Manipulation of Bacteria in Drinking Water for ATR-IR Spectroscopy";
    Poster: Acoustofluidics 2018, Lille, Frankreich; 08-29-2018 - 08-31-2018.

  2. S. Radel, K. Wieland, L. Rettenbacher, H. Rasoulimehrabani, B. Lendl:
    "Ultrasound enhanced PAT: increased sensitivity of an in-line Raman spectroscopy probe";
    Talk: Acoustofluidics 2018, Lille, Frankreich; 08-29-2018 - 08-31-2018.

  3. S. Freitag, A. Schwaighofer, S. Radel, B. Lendl:
    "Ultrasound enhanced mid-IR spectroscopy for sensing bacteria in aqueous solutions";
    Poster: IRDG Christmas Meeting 2017, London UK; 12-21-2017.

  4. B. Lendl, S. Radel, S. Tauber:
    "In-line sensing of particles in suspensions";
    Talk: SCIX 2016, Minneapolis, MN, USA; 09-18-2016 - 09-23-2016.

  5. C. Koch, B. Lorantfy, M. R. Plata Torres, M. Brandstetter, S. Radel, C. Herwig, B. Lendl:
    "Ultrasound enhanced ATR FTIR spectroscopy - acquiring spectra of cells inline during fermentation";
    Poster: IRDG Christmas Meeting 2012 (200th), University College London, London, UK; 12-20-2012.

  6. C. Koch, M. Brandstetter, S. Radel, B. Lendl:
    "Ultrasound enhanced ATR mid-IR fibre optic probe for spectroscopy of particles in suspensions";
    Talk: AB Tec Day 2012, TU Wien; 02-01-2012.

  7. C. Koch, G. Fritscher, L. Strobl, S. Radel, B. Lendl:
    "Ultrasonic enhanced mid-infrared spectroscopy for in-line monitoring of cell cultures";
    Talk: International Congress on Ultrasonics, Gdansk, Poland (invited); 09-05-2011 - 09-08-2011.

  8. S. Radel, C. Koch, M. Brandstetter, B. Lendl:
    "Modeling the spatial behavior of suspended yeast cells manipulated by an Ultrasonic Standing Wave in vicinity of the resonatorīs reflector";
    Poster: International Congress on Ultrasonics 2011 (ICU), University of Gdańsk/PL; 09-05-2011 - 09-08-2011.

  9. C. Koch, M. Brandstetter, P. Palmesi, S. Radel, B. Lendl:
    "Ultrasound enhanced fibre optic midIR spectroscopy";
    Poster: IRDG Christmas Meeting 2010, University College London; 12-16-2010.

  10. S. Radel:
    "an in-line probe integrating infrared spectroscopy and ultrasonic manipulation of cells";
    Talk: NANOSENS, Tech Gate, Wien; 12-02-2010.

  11. M. Brandstetter, C. Koch, B. Zachhuber, S. Radel, J. Schnöller, M. Gröschl, B. Lendl:
    "Ultrasonic particle manipulation for mid-infrared spectroscopy of suspensions";
    Poster: CISM Advanced Course on Ultrasound Standing Wave Action on Suspensions and Biosuspensions in Micro- and Macro Fluidic Devices, Udine, Italien; 06-07-2010 - 06-11-2010.

  12. M. Brandstetter, S. Radel, J. Schnöller, M. Gröschl, B. Lendl:
    "Towards an ultrasound enhanced Mid-IR fibre optic sensor";
    Talk: ARGE Sensorik PhD-Summit 2009, TU Wien; 07-01-2009.

  13. M. Brandstetter, B. Zachhuber, S. Radel, J. Schnöller, M. Gröschl, B. Lendl:
    "Ultrasonic particle manipulation for mid-infrared spectroscopy of suspensions";
    Poster: Kaiser Friedrich Forschungspreis, Clausthal; 05-12-2009.

  14. S. Radel:
    "Ultrasound particle manipulation applied for filtration of supensions";
    Talk: Seminarvortrag, Institut für Chemische Technologien und Analytik, TU Wien; 09-25-2008.

  15. S. Radel:
    "Ecological competence of yeast suspensions exposed to ultrasonic plane wave";
    Talk: Tagung "Ultrasonography in Practice" together with "Patient - Ultrasound Interaction", Palacky-Universität, Olmütz/Tschechien (invited); 09-12-2008.

  16. S. Radel:
    "Ultraschall-Separationstechnologie";
    Talk: ARGE Sensorik, Johannes Kepler Universität Linz/OÖ; 02-28-2008.

  17. S. Radel, C. Koch:
    "Ultrasonic micro-manipulation of suspended particles";
    Talk: Vortrag im Rahmen der Präsentation gegenüber der Fa. Denso Corp./Japan, Institut für Allgemeine Physik, TU Wien; 01-28-2008.

  18. S. Radel:
    "Anwendungen der Ultraschall-Teilchenmanipulation in der Spektroskopie";
    Talk: Erstes Treffen der ARGE Sensorik/Ultraschall, Palais Eschenbach, Wien; 12-12-2007.

  19. S. Radel:
    "Mathematical modelling of PZT-glass-water-glass resonators";
    Talk: Seminarvortrag, Drittes Physikalisches Institut, Universität Göttingen, Göttingen/D; 07-17-2007.

  20. S. Radel:
    "Design of piezoelectric resonators for ultrasonic particle manipulation";
    Talk: Seminarvortrag und Software-Demonstration, SEZ AG, Villach; 06-04-2007.

  21. S. Radel:
    "Ultraschalltechnik zur Partikelseparation und Emulsionstrennung sowie für Anwendungen in der Infrarot-und Raman-Spektroskopie";
    Talk: Fachvortrag, Infineon Technologies Austria AG, Villach; 07-13-2006.

  22. S. Radel:
    "Sensorik mit piezoelektrischen BAW (bulk acoustic wave) Resonatoren";
    Keynote Lecture: im Rahmen des Seminars "Moderne Analytische Chemie", Inst. f. Chem. Technologien und Analytik, TU Wien (invited); 05-12-2006.

  23. S. Radel:
    "Partikel-Manipulation mittels Ultraschall";
    Talk: Int. Projektforum "Mess- und Analysetechnik zur Schmierstoffcharakterisierung", IAP; 11-03-2005.

  24. S. Radel:
    "On a dual-chamber ultrasonic separator for the filtration of suspensions containing yeast cells and oil";
    Talk: Int. Workshop "Ultrasonic Separation", IAP; 09-16-2005.

  25. S. Radel:
    "Ultraschall-Teilchen-Manipulation";
    Talk: Lenzing AG, Lenzing/OÖ; 09-13-2005.

  26. S. Radel:
    "On a dual-chamber ultrasonic separator for the filtration of suspensions containing yeast cells and oil";
    Talk: 4th Europ. Congress on Acoustics - Forum Acusticum, Budapest/H; 09-01-2005.

  27. S. Radel:
    "Application of dual ultrasonic separation on suspensions containing yeast cells and oil";
    Talk: 2nd Congress of Alps-Adria Acoustics Association & 1st Congress of Acoustical Society of Croatia, Opatija/HR; 06-23-2005.

  28. S. Radel:
    "Pressurised ultrasonic foam dispersion experiment Optimised ultrasonic separation system for cell dispersions containing oil";
    Talk: Final Meeting of the EU-Network InBioSynAp, UPT - Gesellschaft für umweltkompatible Prozesstechnik, Saarbrücken/D; 04-22-2005.

  29. S. Radel:
    "Progress in ultrasonic foam dispersion";
    Talk: Technical Meeting of the EU-Network InBioSynAp, Univ.Karlsruhe, Engler-Bunte-Inst., Karlsruhe/D; 11-17-2004.

  30. S. Radel:
    "Ultrasonic separation system for cell dispersions containing oil";
    Talk: Technical Meeting of the EU-Network InBioSynAp, Univ.Karlsruhe, Engler-Bunte-Inst., Karlsruhe/D; 11-17-2004.

  31. S. Radel, J. Schnöller, E. Benes, B. Lendl:
    "Ultrasonic standing wave accelerates on-line measurement and prevents coating of a FTIR ATR flow cell";
    Poster: IEEE Sensors 2004, The 3rd IEEE Conference on Sensors, TU Wien; 10-24-2004 - 10-27-2004.

  32. S. Radel:
    "Alterations of a resonator's electrical admittance due to the ultrasonical arrangement of suspended particles within ";
    Talk: USW Network Scientific Meeting "Cell-Cell Interactions", University of the West of England, Bristol/UK; 10-07-2004.

  33. S. Radel:
    "Exploitation of ultrasonic standing waves in bio-surfactant production ";
    Talk: Midterm Review Meeting of the EU-Network InBioSynAp, Univ.Stuttgart, Inst.f.Bioverfahrenst.,Stuttgart/D; 04-20-2004.

  34. S. Radel:
    "Foam dispersion in a resonant ultrasound system";
    Talk: Technical Meeting of the EU-Network InBioSynAp, Univ. Stuttgart, Inst.Bioverfahrenst., Stuttgart/D; 04-19-2004.

  35. S. Radel:
    "Ultrasonic separation of suspended Pseudomonas aeruginosa";
    Talk: Technical Meeting of the EU-Network InBioSynAp, Univ. Stuttgart, Inst. Bioverfahrenst. Stuttgart/D; 01-08-2004.


Patents


  1. B. Lendl, S. Radel, M. Brandstetter:
    "Device for FTIR Absorption Spectroscopy";
    Patent: USA, No. Us 8,872,117 B2; submitted: 01-09-2009, granted: 10-28-2014.

  2. B. Lendl, J. Schnöller, S. Radel, E. Benes:
    "Verfahren und Einrichtung zur Absorptionsspektroskopie / Absorption spectroscopy method and device";
    Patent: Österreich, No. Ep1759180 B1; submitted: 06-20-2005, granted: 10-15-2008.

  3. B. Lendl, S. Radel, E. Benes:
    "Verfahren und Einrichtung zum Durchführen von RAMAN-Spektroskopie";
    Patent: Austria Wirtschaftsservice GmbH, Wien, Österreich, No. AT 413446 B; submitted: 07-05-2004, granted: 02-15-2006.

  4. B. Lendl, J. Schnöller, S. Radel, E. Benes:
    "Verfahren und Einrichtung zur Absorptionsspektroskopie";
    Patent: Austria Wirtschaftsservices GmbH, Wien, Österreich, No. AT 501 052 B1; submitted: 06-18-2004, granted: 06-15-2006.

  5. B. Lendl, J. Schnöller, S. Radel, E. Benes:
    "Absorption spectroscopy method and device.";
    Patent: PCT, submitted: 06-20-2005.

  6. B. Lendl, S. Radel, E. Benes:
    "Raman spectroscopic device and method";
    Patent: ???, No. PCT/AT2005/000249; submitted: 05-07-2005.

  7. B. Lendl, S. Radel, E. Benes:
    "Verfahren und Einrichtung zum Durchführen von RAMAN-Spektroskopie";
    Patent: Österreich, No. A 1131/2004; submitted: 07-05-2004, granted: 07-15-2005.


Doctor's Theses (authored and supervised)


  1. S. Radel:
    "Ultrasonically Enhanced Settling: The effects of ultrasonic plane wave fields on suspensions of the yeast Saccharomyces cerevisiae";
    Supervisor, Reviewer: M. Gröschl; Institut für Allgemeine Physik, E134, 2003.


Diploma and Master Theses (authored and supervised)


  1. D. Strutzenberger:
    "Experiments and simulation of piezoceramic transducers for a new FTIR testing probe";
    Supervisor: M. Harasek, S. Radel; Institut für Verfahrenstechnik, Umwelttechnik und Technische Biowissenschaften, 2016; final examination: 02-19-2016.

  2. C. Koch:
    "Bio-suspensions in the ultrasonic h-shape filter";
    Supervisor: E. Benes, S. Radel; Institut für Angewandte (Allgemeine) Physik, 2009; final examination: 10-13-2009.

  3. M. Straßl:
    "Viskositätssensor für Schmieröle auf Basis eines Piezoelektrischen Dickenscherschwingers";
    Supervisor: M. Gröschl, S. Radel; Institut für Allgemeine Physik, 2008; final examination: 11-19-2008.