* Yilmaz-Bayraktar S, Schwieger J, Scheper V, Lenarz T, Böer U, Kreienmeyer M, Torrente M, Doll T: Decellularized Equine Carotid Artery Layers as as Matrix for regenerated neurites of Spiral Ganlion Neurons, 2019; Int J Artif Organs 00(0):1-11.

Foremny K, Molinnus D, Schoening M, Doll T: 3D printing of silicone rubber-based sensors for the application in the field of biomedicine, 2019 September, 53rd Annual Conference of German Society for Biomedical Engineering, Frankfurt.
Foremny K, Wagner A, Rittinghausen S, Tillmann T, Doll T, Lenarz T: Investigation of CNT-Silicone rubber compound as a suitable interface material for neuronal impplants; 2019 September, 53rd Annual Conference of German Society for Biomedical Engineering, Frankfurt.
Foremny K and Stieghorst J, Jakimovski F, Doll T: Contacting and Embedding of Multiplexing Systems using Additive Manufacturing; 2019 September, 53rd Annual Conference of German Society for Biomedical Engineering, Frankfurt.
Foremny K, Yilmaz-Bayraktar S, Stieghorst J, Lenarz T, Stieglitz T, Doll T: Smart Auditory Implants & Nerve Stimulators; ESAO 2019, San Sebastian.
Yilmaz-Bayraktar, Foremny K, Marcoleta JP, Doll T: Biocybernetical considerations towards BCI-assisted binaural Hearing restauration, 2019; H4All Summerschool August, Visselhövede.
Doll T, Yilmaz-Bayraktar S, Foremny K, Stieghorst J, Lenarz T: Future CI fabrication and beyond - a roadmap full of construction sites; 2019 H4All Symposium, Hannover.

Marcoleta JP, Nogueira W, Froriep UP, Doll T: Flexible high density active neural implants combining a distributed multiplexing transceiver architecture with biocompatible technology, 2018; Phys Status Solid A, 215(15) pp.1700134:1-10.
Stieghorst J and Doll T: Rheological behavior of PDMS silicone rubber for 3D printing of medical implants, 2018; Additive Manufacturing, 24:271-223.


  • Hydrogel-Based Actuation for Modiolar Hugging Cochlear Implant Electrode Arrays; J. Stieghorst, B.N. Tran, S. Hadeler, D. Beckmann, T. Doll; Procedia Engineering; DOI: 10.1016/j.proeng.2016.11.453
  • Wet-etch Induced Changes in Impedance of Carbon Nanotube – Silicone Rubber Electrode Materials for Active Implants; K. Tegtmeier, F. Borrmann, T. Doll; Procedia Engineering; DOI: 10.1016/j.proeng.2016.11.393
  • Canine scent detection for the diagnosis of lung cancer in a screening-like situation; Klaus Hackner, Peter Errhalt, Michael Rolf Mueller, Manulea Speiser, Beatrice A. Marzluf, Andrea Schulheim, Peter Schenk, Johannes Bilek and Theodor Doll; Journal of Breath reasearch; DOI: 10.1088/1752-7155/10/4/046003
  • Dispersed Hydrogel Actuator for Modiolar Hugging Cochlear Implant Electrode Arrays; Jan Stieghorst and Theodor Doll; IEEE Transactions on Biomedical Engineering; DOI: 10.1109/TBME.2016.2524663
  • Toward 3D printing of medical implants: Reduced lateral droplet spreading of silicone rubber under intense IR curing; Jan Stieghorst, Daniel Majaura, Henning Wevering and Theodor Doll, ACS Appl. Mater. Interfaces; DOI: 10.1021/acsami.5b12728
  • Residual Rubber Shielded Multi Wall Carbon Nanotube Electrodes for Neural Interfacing in Active Medical Implants; Katharina Tegtmeier, Pooyan Aliuos, Thomas Lenarz and Theodor Doll; Physics in Medicine, DOI: 10.1016/j.phmed.2016.04.001


  • 3D silicone rubber interfaces for individually tailored implants; Jan Stieghorst, Alexandra Bondarenkova, Niklas Burblies, Peter Behrens and Theodor Doll; Biomed Microdevices; DOI 10.1007/s10544-015-9960-y


  • Aligned carbon nanotube-liquid silicone rubber conductors and electrode surfaces for stimulating medical implants; Katharina Tegtmeier, Pooyan Aliuos, Jan Stieghorst, Malte Schickedanz, Felix Golly, Holger Zernetsch, Birgit Glasmacher and T. Doll; Phys. Status Solidi A 211, No. 6, 1439–1447 (2014); DOI 10.1002/pssa.201330405
  • Self-bending hydrogel actuation for electrode shafts in cochlear implants; Jan Stieghorst, Katharina Tegtmeier, Pooyan Aliuos, Holger Zernetsch, Birgit Glasmacher and T. Doll; Phys. Status Solidi A 211, No. 6, 1455–1461 (2014); DOI 10.1002/pssa.201330404
  • A. Amann, W. Filipiak, P. Mochalski, C. Ager, A. Filipiak, R. Cumeras, C. E. Davis, D. Smith, P. Španěl, T. Doll, J. Troppmair, Arriving at the human volatilome: A review of volatile organic compounds (VOCs) released by different cell types, J. Breath Res. 2014 accepted


  • P. Marek, J.J. Velasco-Velez, T. Haas, T. Doll, G. Sadowski, Time-monitoring sensor based on oxygen diffusion in an indicator/ polymer matrix, Sensors & Actuators B. Chemical 2013, 178, 254-262
  • T. Doll, J. Velasco-Velez, D. Rosenthal, J. Avila and V. Fuenzalida, Direct Observation of the Electroadsorptive Effect on Ultra Thin Films for Microsensor and Catalytic Surface Control, ChemPhysChem, 2013, 14, 11 (2505 -2510)


  • J. Velez, A. Chaiyboun, C. Wilbertz, S. Scheinert,T. Doll, Drift Modelling of Electrically Controlled Nanoscale Metal Oxide Gas Sensors, IEEE Electron Device Letters, 29, 7 (2008), 677-680
  • S. Ahlers, G. Müller, T. Doll, Factors Influencing the Gas sensitivity of Metal Oxide Materials, in C.A. Grimes, E.C. Dickey, M.V. Pisko (Eds), Encyclopedia of Sensors, 2007, vol. 3, 413-447
  • T. Haas, T. Doll, Omnidirectional 2D Photonic Band Gap Structures, Phys. Rev. B, Vol. 73, No. 4, pp. 045130, 2006
  • S. Scheinert, T. Doll, A. Scherer, G. Paasch, I. Hörselmann, Organic field-effect transistors with nonlithographically defined submicrometer channel length Appl. Phys. Lett. 84, 4427-4429 (2004)
  • T. Doll (Ed.+ Author), Advanced Gas Sensing: The Electroadsorptive Effect and Related Techniques, Kluwer Academic Publishers, Boston, 2003, ISBN 1-4020-7433-6
  • T. Doll, R. Paris, N. Djermanova, J. Lehmann, P. Kornetzky, R.P. Gupta, G. Eranna, Fully CMOS Gas Sensing FET with Hybrid Sensing Capacitor, IEEE Sensors Journal, 2003
  • S. Scheinert, G. Paasch, M. Schrödner, H. Roth, S. Sensfuß, T. Doll, Subthreshold Chrarcteristics of Field Effect Transistors based on Poly(3-dececylthiophene) and an Organic Insulator, J. Apl. Physics, 92, 1, (2002) 330-337


EnFI 2016 - Engineering of Functional Interfaces

  • Poster & Abstract: G. Leuteritz, W. Kossow, J. Stieghorst and T. Doll: Analysis of Bonding Strength and Spreading of Multilayer Silicone Rubber Interfaces for Medical Rapid Prototyping
  • Poster & Abstract: W. Kossow, G. Leuteritz, J. Stieghorst and T. Doll: Investigation of Silicone Rubber Interfaces for Medical Rapid Prototyping
  • Poster & Abstract: K. Tegtmeier, D. Manikowski, B. Andrée and T. Doll: Cell recording on wet etched carbon nanotube-silicone rubber electrode surfaces
  • Poster & Abstract: L. Guntenhöner, K. Tegtmeier and T. Doll: BDNF diffusion through membranes for guided neurite growth
  • Poster & Abstract: A. Winter, K. Tegtmeier, D. Schaudien, T. Tillmann, S. Rittinghausen, C. Dasenbrock, S. Kurt and T. Doll: Biocompatibility of Carbon nanotube silicone rubber in animal model (mouse)
  • Poster & Abstract: J.P. Marcoleta, W. Nogueira and T. Doll: Distributed multiplexing system for ECoG

Eurosensors 2016

  • Poster & Abstracts: K. Tegtmeier, F. Borrmann and T. Doll: Wet-etch induced changed in impedance of carbon nanotube-silicone rubber electrode materials for active implants, 2016
  • Poster & Abstracts: J. Stieghorst, D. Beckmann and T. Doll: Hydrogel-Based Actuation for Modiolar Hugging Cochlear Implant Electrode Arrays, 2016

BMT 2016 - Dreiländertagung der Biomedizinischen Technik

  • Presentation: K. Tegtmeier, F. Borrmann, D. Manikowski, B. Andrée, T. Lenarz and T. Doll: Changes in impedance and cell recording by surface etching of a carbon nanotube-silicone rubber electrode material


Deutscher HNO-Kongress - 86. Jahrestagung der Deutschen Gesellschaft für HNO-Heilkunde

  • Poster: Selbstkrümmender Elektrodenschaft für Cochlea Implantat Elektrodenträger; J. Stieghorst, S. Meinen, J. Drewke, E. Stockburger, Th. Lenarz, T. Doll, 2015
  • Poster: Flexibles Carbon Nanotube basiertes Elektrodenmaterial zur Anwendung in Cochlea Implantaten; K. Tegtmeier, F. Golly, W. Saleh, T. Lenarz und T. Doll, 2015

EnFI 2015 - Engineering of Functional Interfaces

  • Poster & Abstract: Evaluation of the bonding strenght between a silicone rubber / polyimide interface for cochlear implants; D. Majaura, F. Borrmann, J. Stieghorst and T. Doll
  • Poster & Abstract:Silicone rubber spreading during infrared curing for inividually shaped neural implant fabrication; J. Stieghorst, c. Margenfeld and T. Doll
  • Poster & Abstract: Neural interfacing via track etch membrane of cell model mediated by human growth factors; L. Guntenhöner, K. Tegtmeier, J. Stieghorst and T. Doll
  • Poster & Abstract: Investigation of silicone rubber removal from carbon nanotubes by means of wet and dry etching; K. Tegtmeier, T. Doll

BMT 2015 - 49th DGBMT annual conference

  • Presentation: Accelerated active implant degradation in proteinated artificial body fluids; F. Benjamin, F. Riedel, N. Sendler, G. Pohlmann, C. Dasenbrock, T. Lenarz, B. Glasmacher and T. Doll

MSTK15 - MikroSystemTechnik Kongress 2015

  • Poster: Untersuchung der Elektrischen Leitfähigkeit von Kohlenstoffnanoröhrchen durch Silikonschichten; K. Tegtmeier and T. Doll


BMT 2014 - 48th DGBMT annual conference

  • Presentation: Biocompatible and actuated Carbon Nanotube-based electrodes for advanced neural interfacing; K. Tegtmeier, J. Stieghorst, P. Aliuos, O. Majdani, T. Lenarz, T. Doll; 2014
  • Presentation: Path to construct synthetic synapses for enhanced electrode-nerve interaction in neuroprostheses; S. Ebrahimpoor, C. Zeilinger,T. Doll, T. Lenarz, P. Aliuos

EnFI 2014 - Engineering of Functional Interfaces

  • Poster & Abstract: Functional gliding interface inside a micro-structured polymer impant; S. Meinen, E. Stockburger, J. Stieghorst, M. Möller, T. Doll; 2014
  • Poster & Abstract: Characterization and improvement of carbon nanotube - silicone rubber interfaces for neural implants; K.Tegtmeier, N.Burblies, T. Doll; 2014
  • Poster & Abstract: Electrode-nerve interface: Enhancement of neural cell adhesion by means of CNT; P. Aliuos, A. Bondarenkova, J. McCaughey, J. Stieghorst, K.Tegtmeier, T. Doll; 2014
  • Poster & Abstract: 3D silicone rubber interfaces in individually shaped neural implants; J-Stieghorst, J. McCaughey, T. Doll

CI 2014 - 13th International Conference on Cochlear Implants and Other Implantable Auditory Technologies

  • Presentation: Routes towards closing the auditory implant feedback loop; T. Doll, P. Aliuos, V. Pikov, D. McCreery, J. Stieghorst, T. Lenarz; 2014
  • Presentation: Hydrogel-based self-bending mechanism for cochlear implants; J. Stieghorst, T. Rau, O. Majdani, G. Sadakowski, T. Doll
  • Presentation: Carbon nanotube-based interfacing of neural structures; K. Tegtmeier, O. Lammers, P. Aliuos, D. Ricci, T. Doll; 2014


EnFI 2013 Engineering of Functional Interfaces

  • Poster & Abstract: Internal interfaces: Surfmounting the percolation limits in CNT-based electrodes; M.Schickedanz, J. Stieghorst, P. Alious, G. Paasche, T. Doll
  • Poster & Abstract: 3D hybrid functional polymer interfaces in medical implants; J. Stieghorst, R. Lüpke, P. Aliuos, T. Doll
  • Poster & Abstract: Carbon nanotube-liquid silicone rubber (CNT-LSR) electrode surfaces for stimulating medical implants; K. Tegtmeier, F. Arbatschat, P. Aliuos, T. Doll

About The VIANNA research team