2019 * 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.

Conference * 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.

2018 * 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

Conferences 2016

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