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Dr. Johannes Heitz

PUBLICATIONS

2017

Femtosecond laser-induced microstructures on Ti Substrates for reduced cell adhesion
J. Heitz, C. Plamadeala, M. Muck, O. Armbruster, W. Baumgartner, A. Weth, C. Steinwender, H. Blessberger, J. Kellermair, S. V. Kirner, J. Krüger, J. Bonse, A. S. Guntner, A. W. Hassel
Appl. Phys. A (2017) 123:734, DOI 10.1007/s00339-017-1352-0

Bioinspired polymer microstructures for directional transport of oily liquids
C. Plamadeala, F. Hischen, R. Friesenecker, R. Wollhofen, J. Jacak, G. Buchberger, E. Heiss, T.A. Klar, W. Baumgartner, J. Heitz
ROYAL SOCIETY OPEN SCIENCE Vol. 4, 160849, (2017)

Bone-forming cells with pronounced spread into the third dimension in polymer scaffolds fabricated by two-photon polymerization
J. Heitz, C. Plamadeala, M. Wiesbauer, P. Freudenthaler, R. Wollhofen, J. Jacak, T. A. Klar, B. Magnus, D. Köstner, A. Weth, W. Baumgartner and R. Marksteiner
Journal of Biomedical Materials Research Part A, March 2017, Volume 105, Issue 3 (pages 891 - 899)

Laser-induced optical breakdown spectroscopy of polymer materials based on evaluation of molecular emission bands
S. Trautner, J. Jasik, C. G. Parigger, J. D. Pedarnig, W. Spendelhofer, J. Lackner, P. Veis, J. Heitz
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 174 (2017) 331-338

2016

Three-dimensional photonic structures on transparent substrates fabricated by two-photon polymerization for use as cell substrates and for wetting experiments
J. Heitz, C. Plamadeala, M. Wiesbauer, P. Freudenthaler, R. Wollhofen, J. Jacak, S. Puthukodan, T. A. Klar, A. Weth, W. Baumgartner, B. Magnus, R. Marksteiner: 2016 18th International Conference on Transparent Optical Networks (ICTON)

2015

Effect of VUV-excimer lamp treatment on cellulose fiber
V. Vosmanska, R.A. Barb, K. Kolarova, S. Rimpelova, J. Heitz, V. Svorcik
Int. J. Polym. Anal. Charact. 21, 337 (2016)

Comparison of KrF and ArF excimer laser treatment of biopolymer surface
I. Michaljanicova, P. Slepicka, J. Heitz, R.A. Barb, P. Sajdl, V. Svorcik
Applied Surface Science 339, 144–150 (2015)

VUV treatment combined with mechanical strain of stretchablepolymer foils resulting in cell alignment
R.-A. Barb, B. Magnus, S. Innerbichler, T. Greunz, M. Wiesbauer,R. Marksteiner, D. Stifter, J. Heitz
Applied Surface Science 325, 105-111 (2015)

Calibration-free analysis of steel slag by laser-induced breakdown spectroscopy with combined UV and VIS spectra
P.J. Kolmhofer, S. Eschlböck-Fuchs, N. Huber, R. Rössler, J. Heitz, J.D. Pedarnig
Spectrochimica Acta Part B 106 (2015) 67–74.


2014

Laser-induced periodic surface structures on polymers for formation of gold nanowires and activation of human cells
R.-A. Barb, C. Hrelescu, L. Dong, J. Heitz, J. Siegel, P. Slepicka, V. Vosmanska, V. Svorcik, B. Magnus, R. Marksteiner, M. Schernthaner, K. Groschner
Appl. Phys. A 117, 295–300 (2014)

Sensitive detection of chlorine in iron oxide by single pulse and dual pulse laser-induced breakdown spectroscopy
J.D. Pedarnig, M.J. Haslinger, M.A. Bodea, N. Huber, H. Wolfmeir, J. Heitz
Spectrochimica Acta Part B 101 (2014) 183–190.

In-line measurements of chlorine containing polymers in an industrial waste sorting plant by laser-induced breakdown spectroscopy
N. Huber, S. Eschlböck-Fuchs, H. Scherndl, A. Freimund, J. Heitz, J.D. Pedarnig,
Applied Surface Science 302, 280-285 (2014)

Laser-induced periodic structures on polymers for the formation of gold or silver nanowires showing pronounced plasmon resonances
J. Heitz, R.-A. Barb, C. Hrelescu, J. Siegel, P. Slepicka, V. Vosmanska, V. Svorcik, B. Magnus, R. Marksteiner
16th International Conference on Transparent Optical Networks (ICTON) (2014), ISBN 978-1-4799-5601-2

Detection of phosphorous in industrial oxide materials by laser-induced breakdown spectroscopy in the UV spectral range
E. Ljutic, P. Kolmhofer, H. Heilbrunner, B. Praher, N. Huber, R. Rössler, H. Wolfmeir, E. Arenholz, J. Heitz, J.D. Pedarnig
Romanian Reports in Physics 66, 1155-1164 (2014).

2013

Enhanced Ca2+ Entry and Tyrosine Phosphorylation Mediate Nanostructure-Induced Endothelial Proliferatio
M. Schernthaner, G. Leitinger, H. Wolinski, S.D. Kohlwein, B. Reisinger, R.-A. Barb, W.F. Graier, J. Heitz, K. Groschner
Journal of Nanomaterials, Volume 2013 (2013)

Influence of sample temperature on the expansion dynamics and the optical emission of laser-induced plasma
S. Eschlböck-Fuchs, M.J. Haslinger, A. Hinterreiter, P. Kolmhofer, N. Huber, R. Rössler, J. Heitz, J.D. Pedarnig
Spectrochimica Acta Part B 87, 36-42 (2013)

Preparation and characterization of fully separated gold nanowire arrays
J. Siegel, J. Heitz, A. Reznícková, V. Svorcík
Applied Surface Science 264, 443-447 (2013)

Silver nano-structures prepared by oriented evaporation on laser-patterned poly(methyl methacrylate)
J. Tuma, O. Lyutakov, I. Huttel, J. Siegel, J. Heitz, Y. Kalachyova, V. Svorcík
J Mater Sci 48, 900–905 (2013)

Element analysis of complex materials by calibration-free laser-induced breakdown spectroscopy
J.D. Pedarnig, P. Kolmhofer, N. Huber, B. Praher, J. Heitz, R. Rössler
Applied Physics A 112, 105-111 (2013)
http://dx.doi.org/10.1007/s00339-012-7208-8




2012

Comparison of gated and non-gated detectors for double-pulse laser induced plasma analysis of trace elements in iron oxide
H. Heilbrunner, N. Huber, H. Wolfmeir, E. Arenholz, J.D. Pedarnig, J. Heitz
Spectrochimica Acta Part B 74–75, 51–56 (2012)

Laser-Induced Periodic Surface Structures (LIPSS) on Polymer Surfaces
Johannes Heitz, Bettina Reisinger, Marc Fahrner, Christoph Romanin, Jakub Siegel, Vaclav Svorcik
Transparent Optical Networks (ICTON), 2012 14th International Conference on, (2012), ISBN 978-1-4673-2227-0

Nanopatterned polymer substrates promote endothelial proliferation by initiation of beta-catenin transcriptional signaling
M. Schernthaner, B. Reisinger, H. Wolinski, S.D. Kohlwein, A. Trantina-Yates, M. Fahrner, C. Romanin, H. Itani, D. Stifter, G. Leitinger,
K. Groschner, J. Heitz
Acta Biomaterialia 8, 2953-2962 (2012)

Surface properties of polymers treated with F2 laser
A. Rezníckova, A. Chaloupka, J. Heitz, Z. Kolska, V. Svorcík
Surface Interface Analysis 44, 296–300 (2012)

Structural, electrical and optical studies of gold nanostructures formed by Ar plasma-assisted sputtering
J. Siegel, O. Kvitek, P. Slepicka, J. Nahlik, J. Heitz, V. Svorcik
Nucl. Inst. Meth. B 272, 193 (2012)

Double-pulse laser-induced breakdown spectroscopy for trace element analysis in sintered iron oxide ceramics
H. Heilbrunner, N. Huber, H. Wolfmeir, E. Arenholz, J.D. Pedarnig, J. Heitz
Appl. Phys. A 106, 15 (2012)

Laser Micro-structuring of Photomodified FEP Surface for Confined Growth of CHO Cells and Single Cell Isolation
S. Yakunin, M. Fahrner, B. Reisinger, H. Itani, C. Romanin, J. Heitz
J. Biomed. Mater. Res. 100B, 170 (2012)

Analysis of oxide materials in steel industry by calibration-free laser-induced breakdown spectroscopy
J.D. Pedarnig, J. Heitz, B. Praher, P. Kolmhofer, N. Huber, R. Rössler, H. Wolfmeir, E. Arenholz
Metallurgical Analysis 32(8), 9-12 (2012)



2011

Optimization of Plasma Parameters for Preliminary Analysis of Chromium Containing Tablet by Laser Induced Breakdown Spectroscopy
M. Horňáčková, Z. Grolmusová, J. Rakovský, J. Plavčan, P. Veis, J. Heitz, J.D. Pedarnig
WDS'11 Proceedings of Contributed Papers, Part II, pp. 198 - 203 (2011)

Laser Micro-Patterning by Means of Optical Fibers with Etched Tips or Micro-grinded Lens End Faces"
S. Yakunin, J. Heitz
Journal of Laser Micro/Nanoengineering 6, 180 (2011)

Laser-Induced Micro- and Nanostructures at Polymer Surfaces for Applications in Cell Biology
J. Heitz, B. Reisinger, S. Yakunin, N. Voelcker, Q. Peng, A.L. Hook, C. Romanin, M. Fahrner
Transparent Optical Networks (ICTON), 2011 13th International Conference on, (2011), ISBN 978-1-4577-0882-4

Self-organized gold nanostructures on laser patterned PET
J. Siegel, J. Heitz, V. Švorčík
Surface & Coatings Technology 206 (2011) pp. 517–521

Element analysis of oxide materials in steel industry by laser-induced breakdown spectroscopy
J.D. Pedarnig, J. Heitz, B. Praher, P. Kolmhofer, N. Huber, R. Rössler, H. Wolfmeir, E. Arenholz
Proceedings of CETAS 2011 Conference, pp. 423-426 (2011)

Quantitative determination of element concentrations in industrial oxide materials by laser-induced breakdown spectroscopy
B. Praher, R. Rössler, E. Arenholz, J. Heitz, J.D. Pedarnig
Analytical and Bioanalytical Chemistry (published online, April 2011)
http://dx.doi.org/10.1007/s00216-011-5000-9

Angle dependent laser nanopatterning of poly(ethylene terephthalate) surfaces
P. Slepicka, A. Chaloupka, P. Sajdl, J. Heitz, V. Hnatowicz, V. Svorcik
Applied Surface Science 257, 6021–6025 (2011)

Combination of RF – plasma jet and Laser – induced plasma for breakdown spectroscopy analysis of complex materials
J.D. Pedarnig, J. Heitz, E.R. Ionita, G. Dinescu, B. Praher, R. Viskup
Applied Surface Science 257, 5452–5455 (2011)


2010

Dynamics of the Alignment of Mammalian Cells on a Nano-Structured Polymer Surface
T. Peterbauer, S. Yakunin, J. Siegel, J. Heitz
Macromolecular Symposia 296, 272‑277 (2010)

Influence of pulse-to-pulse delay for 532 nm double-pulse laser-induced breakdownspectroscopy of technical polymers
R. Viskup, B. Praher, T. Linsmeyer, H. Scherndl, J.D. Pedarnig, J. Heitz
Spectrochimica Acta Part B 65, 935 – 942 (2010)

Dynamics of spreading and alignment of cells cultured in vitro on a grooved polymer surface
T. Peterbauer, S. Yakunin, J. Siegel, S. Hering, M. Fahrner, C. Romanin, J. Heitz
Journal of Nanomaterials 2011, 413079 (2010)

EUV micro patterning for biocompatibility control of PET
B. Reisinger, M. Fahrner, I. Frischauf, S. Yakunin, V. Svorcik, H. Fiedorowicz, A.
Bartnik, C. Romanin, J. Heitz
Appl. Phys. A 100, 511 (2010)

Photonic Nanostructures for Potential Applications in Cell Biology
J. Heitz, N. Voelcker, A. Chaloupka, S. Yakunin, A.L. Hook, E. Anglin
IEEE Proc., Transparent Optical Networks, 2010. ICTON '10. 12th International Conference on, (2010), ISBN 978 1 4244 7797 5

Gold nano wires and nano layers at laser induced nanoripples on PET
J. Siegel, P. Slepicka, J. Heitz, Z. Kolska, P. Sajdl, V. Svorcik
Appl. Surf. Sci. 256, 2205 (2010)

LA ICP MS Analysis of Waste Polymer Materials
T. Stehrer, J. Heitz, J.D. Pedarnig, N. Huber, B. Aeschlimann, D. Günther,
H. Scherndl, T. Linsmeyer, H. Wolfmeir, E. Arenholz
Analytical and Bioanalytical Chemistry 398, 415 – 424 (2010)

Detection of heavy metals in waste polymers by laser-induced breakdown spectroscopy:
A comparison of UV and IR lasers as ablation source

N. Huber, R. Viskup, T. Linsmeyer, H. Scherndl, J.D. Pedarnig, J. Heitz
Proceedings of SPIE 7726, 77260G-1 (2010)

Calibration free laser-induced breakdown spectroscopy of oxide materials
Autoren: B. Praher, V. Palleschi, R. Viskup, J. Heitz, J.D. Pedarnig
Zeitschrift: Spectrochimica Acta Part B: Atomic Spectroscopy 2010
(published online http://dx.doi.org/10.1016/j.sab.2010.03.010)

Combination of laser-based nano-processing and micro-analysis by means of a lensed optical fiber
S. Yakunin , T. Stehrer, J. D. Pedarnig, J. Heitz
J. Optoelectron. Adv. M. 12, 758 (2010)


2009

Vacuum ultraviolet LIBS analysis of polymers
J. Jasik, J. Heitz, J.D. Pedarnig, P. Veis
Spectrochimica Acta B 64, 1128 - 1134 (2009)

Laser-induced breakdown spectroscopy and plasma plume photography of iron oxide materials
J. D. Pedarnig, J. Heitz, T. Stehrer, B. Spaller, B. Praher, R. Viskup, H. Wolfmeir, E. Arenholz
Proc. Fifth International WLT-Conference on Lasers in Manufacturing, p. 621-624 (2009),
ISBN 3-00-027994-2

Laser-induced breakdown spectroscopy of iron oxide powder
T. Stehrer, B. Praher, R. Viskup, J. Jasik, H. Wolfmeir, E. Arenholz, J. Heitz, J.D. Pedarnig
Journal of Analytical Atomic Spectrometry 24, 973 - 978 (2009)

Laser-induced Nanopatterning, Ablation, and Plasma Spectroscopy in the Near-Field of an Optical Fiber Tip
J. Heitz, S. Yakunin, T. Stehrer, G. Wysocki, D. Bäuerle
SPIE Proc. 7131, 71311W (2009)

Plasma plume photography and spectroscopy of Fe - oxide materials
R. Viskup, B. Praher, T. Stehrer, J. Jasik, H. Wolfmeir, E. Arenholz, J.D. Pedarnig, J. Heitz
Applied Surface Science 255, 5215 -5219 (2009)

Microgrinding of lensed fibers by means of a scanning-probe microscope setup
S. Yakunin, J. Heitz
Appl. Opt. 48(34), 6172 (2009)


2008

Proliferation of aligned mammalian cells on laser-nanostructured polystyrene
E. Rebollar, I. Frischauf, M. Olbrich, T. Peterbauer, S. Hering, J. Preiner, P. Hinterdorfer, C. Romanin, J. Heitz
Biomaterials 29, 1796-1806 (2008)

Electroporation chip for adherent cells on photochemically modified polymer surfaces
M. Olbrich, I. Frischauf, E. Rebollar, C. Romanin, J. Heitz
Appl. Phys. Lett. 92, 013901 (2008)

Characterization of nano-composite oxide ceramics and monitoring of oxide thin film growth by laser-induced breakdown spectroscopy
J.D. Pedarnig, J. Heitz, T. Stehrer, B. Praher, R. Viskup, K. Siraj, A. Moser, A. Vlad, M.A. Bodea, D. Bäuerle, N. Hari Babu, D.A. Cardwell
Spectrochimica Acta Part B 63, 1117-1121 (2008)

Pulsed-laser deposition of oxides: high-Tc superconductors and piezoelectrics
J.D. Pedarnig, K. Siraj, A. Moser, A. Vlad, M.A. Bodea, S. Roither, M. Peruzzi, J. Heitz,
T. Stehrer, B. Praher, R. Viskup, D. Bäuerle
Proceedings of SPIE 6880, 68800L (2008)

Gold coatings on Polyethyleneterephthalate nanopatterned by F2 laser irradiation
P. Slepicka, E. Rebollar, J. Heitz, V. Svorcik
Appl. Surf. Sci. 254, 3585 (2008)

F2-laser angle nanomodification of PET
P. Slepicka, J. Heitz, J. Siegel, M. Spirkova, V. Svorcik
Mater. Sci. Forum 567-568, 257 (2008)

Cell Arrays Based on UV-Surface Modification of Polymers: Applications for Gen-Transfer through Transfection
M. Olbrich, E. Rebollar, I. Frischauf, C. Romanin, J. Heitz
in Proceedings of the IX. Linz Winter Workshop, Schriftenreihe des Instituts für Biophysik, Band 2, P. Hinterdorfer (ed.) (Trauner Verlag, Linz)
ISBN 978-3-85499-400-8 (2008)

Electroporation chip for adherent cells on photochemically modified polymer surfaces
M. Olbrich, I. Frischauf, E. Rebollar, C. Romanin, J. Heitz
Biophys. J. 94, 1633 (2008), published abstract

Effects of laser irradiation on the morphology of Cu(110)
T. Brandstetter, M. Draxler, M. Hohage, P. Zeppenfeld, T. Stehrer, J. Heitz, N.Georgiev, D. Martinotti, H.-J. Ernst
Phys. Rev. B 78, 035433 (2008)


2007

UV-surface modification of a new nanocomposite polymer to improve cytocompatibility
M. Olbrich, G. Punshon, I. Frischauf, H. J. Salacinski, E. Rebollar, C. Romanin, A. M. Seifalian, J. Heitz
J. Biomater. Sci. Polymer Edn, Vol.18, No.4, pp. 453-468 (2007)

Characterization and cytocompatibility of carbon layers prepared by photo-induced chemical vapor deposition
O. Kubova, V. Svorcik, J. Heitz, C. Romanin, S. Moritz, P. Matejka, A. Mackova
Thin Solid Films 515, 6765 (2007)

LIBS Micro-Analysis of solid aluminum samples by use of optical fibers as light guide
T. Stehrer, J. Heitz
SPIE Proc. 6346, 634626 (2007)

Alignment of mammalian cells on laser nanostructured polystyrene
E. Rebollar, I. Frischauf, T. Peterbauer, M. Olbrich, C. Romanin, J. Heitz
European Cells & Materials 14 (Suppl. 3), 99 (2007)

Laser Cleaning and Surface Modification: Applications in Nano- and Biotechnology
D. Bäuerle, T. Gumpenberger, D. Brodeceanu, G. Langer, J. Kofler, J. Heitz, K. Piglmayer
in Laser Cleaning II, D. M. Kane (ed.) (World Scientific Publishing Company, Singapore), ISBN 978-981-270-372-9 (2007)


2006

Simple and versatile methods for the fabrication of arrays of live mammalian cells
T. Peterbauer, J. Heitz, M. Olbrich, S. Hering
Lab Chip, 6, 857 (2006)
 
Photochemical surface modification of polymers for biomedical applications
J. Heitz, M. Olbrich, C. Romanin, I. Frischauf, V. Svorcik, O. Kubova, T. Peterbauer
SPIE Proc. 6261, 387 (2006)

Incorporation of an Lauric acid-conjugated GRGDS peptide directly into the matrix of a Poly(Carbonate-Urea)Urethane polymer for use in Cardiovascular Bypass Graft applications
A. G. Kidane, G. Punshon, H. J. Salacinski, B. Ramesh, A. Dooley, M. Olbrich, J. Heitz, G. Hamilton, A. M. Seifalian
J. Biomed. Mater. Res. A 79, 606 (2006)


2005

F2-laser polishing of polytetrafluoroethylene surfaces
T. Gumpenberger, J. Heitz, D. Bäuerle, T.C. Rosenmayer
Europhys. Lett. 70 (6), 831-835 (2005)

Modification of Expanded Polytetrafluoroethylene by UV Irradiation in Reactive and Inert Atmosphere
T. Gumpenberger, J. Heitz, D. Bäuerle, T. C. Rosenmayer
Appl. Phys. A 80, 27 (2005), invited paper

Polytetrafluoroethylene (PTFE) films prepared by F2-laser deposition
N. Huber, J. Heitz, D. Bäuerle
Europ. Phys. J. Appl. Phys. 29, 231 (2005)

Cell microarrays on photochemically modified polytetrafluoroethylene
R. Mikulikova, S. Moritz, T. Gumpenberger, M. Olbrich, J. Heitz, C. Romanin, L. Bacakova, V. Svorcik
Biomaterials 26, 5572 (2005)

Surface Modification of Polymers by UV-Irradiation: Applications in Micro- and Biotechnology
J. Heitz, M. Olbrich, S. Moritz, C. Romanin, V. Svorcik, D. Bäuerle
SPIE Proc. 5958, 466 (2005)


2004

In-situ analysis of metal melts in metallurgic vacuum devices by laser-induced breakdown spectroscopy
J. Gruber, J. Heitz, N. Arnold, D. Bäuerle, N. Ramaseder, W. Meyer, J. Hochörtler, F. Koch
Appl. Spectroscopy: 58, 457-462 (2004)

Pulsed laser ablation of polytetrafluoroethylene (PTFE) at various wavelengths
N. Huber, J. Heitz, and D. Bäuerle
Eur. Phys. J. Appl. Phys. 25, 33-38 (2004)

Near-field optical nanopatterning of crystalline silicon
G. Wysocki, J. Heitz, D. Bäuerle
Appl. Phys. Lett. 84, 2025-2027 (2004)

VAI-CON® Chem - A new continuous chemical analysis system of liquid steel in metallurgical vessels
N. Ramaseder, J. Gruber, J. Heitz, D. Baeuerle, W. Meyer, J. Hochoertler
Metallurgia Italiana 2/2004, 60 (2004)

Adhesion and proliferation of human vascular cells on UV-light modified polymers
J. Heitz, T. Gumpenberger, H. Kahr, C. Romanin
Biotechnol. Appl. Biochem. 39, 59 (2004), invited paper

Cell proliferation on UV-excimer lamp modified and grafted polytetrafluoroethylene
V. Svorcik, K. Rockova, E. Ratajova, J. Heitz, N. Huber, D.Bäuerle, L. Bacakova, B. Dvorankova, V. Hnatowicz
Nucl. Inst. Meth. B 217, 307 (2004)

Bio-compatibility of ion beam-modified and RGD-grafted polyethylene
K. Rockova-Hlavackova, V. Svorcik, L. Bacakova, B. Dvoronkova, J. Heitz, V. Hnatowicz
Nucl. Inst. Meth. B 225, 275 (2004)


2003

Adhesion and proliferation of human endothelial cells on photochemically modified polytetrafluoroethylene
T. Gumpenberger, J. Heitz, D. Bäuerle, H. Kahr, I. Graz, C. Romanin, V. Svorcik, F. Leisch
Biomaterials 24, 5139-5144 (2003)

Perspectives of laser processing and chemistry
D. Bäuerle, R. Denk, J.D. Pedarnig, K. Piglmayer, J. Heitz, G. Schrems
Appl. Phys. A 77, 203-207 (2003)

Cell adhesion on polytetrafluoroethylene modified by UV-irradiation in an ammonia atmosphere
J. Heitz, V. Svorcik, L. Bacakova, K. Rockova, E. Ratajova, T. Gumpenberger, D. Bäuerle, B. Dvorankova, H. Kahr, I. Graz, C. Romanin
J. Biomed. Mat. Res. A 67, 130 (2003)

In-situ analysis of steel under reduced ambient pressure by laser-induced breakdown spectroscopy
J. Heitz, J. Gruber, N. Arnold, D. Bäuerle, N. Ramaseder, W. Meyer, J. Hochörtler
SPIE Proc. 5120, 588 (2003)

Laser-induced Single Step Micro/Nanopatterning
D. Bäuerle, G. Wysocki, L. Landström, J. Klimstein, K. Piglmayer, J. Heitz
SPIE Proc. 5063, 8 (2003)


PATENTS

Verfahren zur Herstellung von optischen Fasern mit Mikrolinse durch Polieren Unter Verwendung eines Scherkraft-Abstands- und Andrucksensors
S. Yakunin, J. Heitz, T. Stehrer
Austrian patent application, AT869/2009 (2009)

Device used for the chemical analysis of material samples and corresponding metallurgical vessel
N. Ramaseder, D. Bäuerle, J. Gruber, J. Heitz
Austrian Patent AT409553B (2002), International patent application WO0227301 (2002), Australian patent application AU9146201 (2002), Czech patent application CZ20030905 (2003), Brazilian patent application BR0114292 (2003), Canadian patent application CA2425621 (2003), European patent application EP1322939 (2003), US patent US2003218747 (2003), Southafrican Patent ZA20030238 (2004)

Optical method for improving the adhesion of biological cells on polymer surfaces
J. Heitz, T. Gumpenberger, N. Huber, D. Bäuerle, J. Pühringer, V. Svorcik, K. Walachova European patent application EP1234588 (2002), Austrian patent AT411220B (2003), German Patent DE50201422D (2004)