Prof. Dr. Thomas Speck

Projekte in livMatS

• Demonstrator for soft autonomous machines - soft robotic low energy gripper systems based on livMatS Materials with sensing capabilities
• Logic Self-Reporting Mechano-Adaptive Metamaterials
• Training and self-healing by interface snapping mechanisms
• Demonstrators

Doktorand*innen (Erstbetreuer)

• Stefan Conrad
• Max Jentzsch
• Peter Kappel
• Frederike Klimm
• Anna Westermeier
  

Postdoktorand*innen (Erstbetreuer)

• Dr. Falk Tauber
  

Publikationen in livMatS

• Acclimation to wind loads and/or contact stimuli? A biomechanical study of peltate leaves of Pilea peperomioides*
  Langer, M., Hegge, E., Speck, T., & Speck, O. (2021). Acclimations to wind loads and/or contact stimuli? A biomechanical study of peltate leaves of Pilea peperomioides. Journal of experimental botany. doi: 10.1093/jxb/erab541 (Special issue “Mechanical Ecology - Taking Biomechanics to the Field”)
• Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae)*
  Surapaneni, V. A., Aust, T., Speck, T., & Thielen, M. (2021). Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae). Beilstein Journal of Nanotechnology, 12: 1326–1338. doi: 10.3762/bjnano.12.98
• Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae)*
  Surapaneni, V. A., Aust, T., Speck, T., & Thielen, M. (2021). Polarity in cuticular ridge development and insect attachment on leaf surfaces of Schismatoglottis calyptrata (Araceae). Beilstein Journal of Nanotechnology, 12: 1326–1338. doi: 10.3762/bjnano.12.98
• Twist-to-Bend Ratios and Safety Factors of Petioles Having Various Geometries, Sizes and Shapes*
  Langer, M., Kelbel, M. C., Speck, T., Müller, C., & Speck, O. (2021) Twist-to-bend ratios and safety factors of petioles having various geometries, sizes and shapes. Frontiers in Plant Science, 2586. doi: 10.3389/fpls.2021.765605
• Influence of structural reinforcements on the twist-to-bend ratio of plant axes: a case study on Carex pendula*
  Wolff-Vorbeck, S., Speck, O., Speck, T., & Dondl, P. W. (2021). Influence of structural reinforcements on the twist-to-bend ratio of plant axes: a case study on Carex pendula. Scientific Reports, 11(1), 1-14. doi: 10.1038/s41598-021-00569-z
• Morphology and Anatomy of Branch–Branch Junctions in Opuntia ficus-indica and Cylindropuntia bigelovii: A Comparative Study Supported by Mechanical Tissue Quantification*
  Mylo, M. D., Hesse, L., Masselter, T., Leupold, J., Drozella, K., Speck, T., & Speck, O. (2021). Morphology and Anatomy of Branch–Branch Junctions in Opuntia ficus-indica and Cylindropuntia bigelovii: A Comparative Study Supported by Mechanical Tissue Quantification. Plants, 10(11), 2313. doi: 10.3390/plants10112313
• Biomechanics of tendrils and adhesive pads of the climbing passionflower Passiflora discophora*
  Klimm, F., Schmier, S., Bohn, H. F., Kleiser, S., Thielen, M., & Speck, T. (2021). Biomechanics of tendrils and adhesive pads of the climbing passionflower Passiflora discophora. Journal of Experimental Botany.doi: 10.1093/jxb/erab456
• Bridging the Gap: From Biomechanics and Functional Morphology of Plants to Biomimetic Developments*
  Speck, O., & Speck, T. (2021). Bridging the Gap: From Biomechanics and Functional Morphology of Plants to Biomimetic Developments. Biomimetics. doi: 10.3390/biomimetics6040060
• Structural gradients and anisotropic hydraulic conductivity in the enigmatic eel traps of carnivorous corkscrew plants (Genlisea spp.)*
  Carmesin, C. F., Fleischmann, A. S., Klepsch, M. M., Westermeier, A. S., Speck, T., Jansen, S., & Poppinga, S. (2021). Structural gradients and anisotropic hydraulic conductivity in the enigmatic eel traps of carnivorous corkscrew plants (Genlisea spp.). American Journal of Botany. doi: 10.1002/ajb2.1779
• Bio-inspired life-like motile materials systems: Changing the boundaries between living and technical systems in the Anthropocene*
  Speck, T., Poppinga, S., Speck, O., & Tauber, F. (2021). Bio-inspired life-like motile materials systems: Changing the boundaries between living and technical systems in the Anthropocene. The Anthropocene Review, 20530196211039275. doi: 10.1177/20530196211039275
• Advances on the Visualization of the Internal Structures of the European Mistletoe: 3D Reconstruction Using Microtomography*
  Mylo, M. D., Hofmann, M., Delp, A., Scholz, R., Walther, F., Speck, T., & Speck, O. (2021). Advances on the visualization of the internal structures of the European mistletoe: 3D reconstruction using microtomography. Frontiers in Plant Science, 2085. doi: 10.3389/fpls.2021.715711
• Biohybrid generators based on living plants and artificial leaves: influence of leaf motion and real wind outdoor energy harvesting
  Meder, F., Armiento, S., Naselli, G. A., Thielen, M., Speck, T., & Mazzolai, B. (2021). Biohybrid generators based on living plants and artificial leaves: influence of leaf motion and real wind outdoor energy harvesting. Bioinspiration & Biomimetics, 16(5), 055009. doi: 10.1088/1748-3190/ac1711
• Generation GrowBots: Materials, Mechanisms, and Biomimetic Design for Growing Robots
  Mazzolai, B., Walker, I., Speck, T., eds. (2021). Generation GrowBots: Materials, Mechanisms, and Biomimetic Design for Growing Robots (137 pp.). Frontiers Media SA, Lausanne. doi: 10.3389/978-2-88971-185-7
• Tool changing 3D printer for rapid prototyping of advanced soft robotic elements*
  Conrad, S., Speck, T., & Tauber, F. (2021). Tool changing 3D printer for rapid prototyping of advanced soft robotic elements. Bioinspiration & Biomimetics. doi: 10.1088/1748-3190/ac095a
• Biomimetics and Education in Europe: Challenge, Opportunity and Variety*
  Speck, O., Speck, T. (2021): Biomimetics and Education in Europe: Challenge, Opportunity and Variety. Biomimetics, 6(3): 49; Special Issue "Biomimetic Process and Pedagogy". doi: 10.3390/biomimetics6030049
• Self-Actuated Paper and Wood Models: Low-Cost Handcrafted Biomimetic Compliant Systems for Research and Teaching*
  Poppinga, S., Schenck, P., Speck, O., Speck, T., Bruchmann, B., Masselter, T. (2021) Self-Actuated Paper and Wood Models: Low-Cost Handcrafted Biomimetic Compliant Systems for Research and Teaching. Biomimetics, 6(3):42. doi: 10.3390/biomimetics6030042
• Editorial: Generation Growbots: Materials, Mechanisms, and Biomimetic Design for Growing Robots
  Mazzolai, B., Walker, I., & Speck, T. (2021). Editorial: Generation GrowBots: Materials, Mechanisms, and Biomimetic Design for Growing Robots. Frontiers in Robotics and AI, 8: 711942. doi: 10.3389/frobt.2021.711942
• Tool changing 3D printer for rapid prototyping of advanced soft robotic elements*
  Conrad, S., Speck, T., & Tauber, F. (2021). Tool changing 3D printer for rapid prototyping of advanced soft robotic elements. Bioinspiration & Biomimetics. doi: 10.1088/1748-3190/ac095a
• 3D Reticulated Actuator Inspired by Plant Up-Righting Movement Through a Cortical Fiber Network*
  Masselter, T., Speck, O., & Speck, T.(2021). 3D Reticulated Actuator Inspired by Plant Up-Righting Movement Through a Cortical Fiber Network. Biomimetics 6(2). doi: 10.3390/biomimetics6020033
• Functional morphology of plants – a key to biomimetic applications*
  Speck, O., & Speck, T. (2021). Functional morphology of plants–a key to biomimetic applications. New Phytologist. doi: 10.1111/nph.17396
• Bio‐Inspired Motion Mechanisms: Computational Design and Material Programming of Self‐Adjusting 4D‐Printed Wearable Systems*
  Cheng, T., Tahouni, Y., Wood, D., Thielen, M., Poppinga, S., Buchholz, L., Steinberg, T., Menges, A. & Speck, T. (2021): Bio-inspired Motion Mechanisms: Computational Design and 4D-printing of Self-adjusting Wearable Systems. Advanced Science: 2100411. doi: 10.1002/advs.202100411
• Petiole-Lamina Transition Zone: A Functionally Crucial but Often Overlooked Leaf Trait*
  M. Langer, T. Speck, O. Speck (2021): Petiole-lamina transition zone: A functionally crucial but often overlooked leaf trait. Plants 10(4): 774. doi: 10.3390/plants10040774
• Biomimetic soft robotic peristaltic pumping system for coolant liquid transport*
  Tauber, F. J., Masselter, T., & Speck, T. Biomimetic Soft Robotic Peristaltic Pumping System for Coolant Liquid Transport. In Technologies for economic and functional lightweight design 2020 (p. 173). Springer-Vieweg. doi: 10.1007/978-3-662-62924-6_14
• Peak values of twist-to-bend ratio in triangular flower stalks of Carex pendula: a study on biomechanics and functional morphology*
  Speck, O., Steinhart, F., & Speck, T. (2020). Peak values of twist-to-bend ratio in triangular flower stalks of Carex pendula: a study on biomechanics and functional morphology. American Journal of Botany 107(11): 1–9. doi: 10.1002/ajb2.1558
• "Generation GrowBots: Materials, Mechanisms, and Biomimetic Design for Growing Robots"
  Mazzolai, B., Walker, I. & Speck, T. (eds.) (2020). Special Issue / Research Topic on "Generation GrowBots: Materials, Mechanisms, and Biomimetic Design for Growing Robots". Frontiers in Robotics, 7. doi: 10.3389/frobt.2020.00075
• Biomimetic and Biohybrid Systems
  Vouloutsi, V. , Mura, A., Tauber, F., Speck, T., Prescott, T.J., & Verschure, P.F.M.J. (eds.), Biomimetic and Biohybrid Systems. Living Machines 2020. Lecture Notes in Computer Science LNAI/LNCS 12413 (428 pp.). Springer International Publishing, Cham. (ISBN 978-3-030-64312-6)
• Multi-material 3D-printer for rapid prototyping of bioinspired soft robotic elements*
  Conrad, S., Speck, T., & Tauber, F. (2020). Multi-material 3D-printer for rapid prototyping of bioinspired soft robotic elements. In Biomimetic and Biohybrid Systems. Living Machines 2020, 46 – 54. Lecture Notes in Computer Science LNAI 12413. Springer International Publishing, Cham. doi: 10.1007/978-3-030-64313-3_6
• Biohybrid wind energy generators based on living plants*
  Meder, F., Thielen, M., Naselli, G.A., Taccola, S., Speck, T., & Mazzolai, B. (2020). Biohybrid wind energy generators based on living plants. In Biomimetic and Biohybrid Systems. Living Machines 2020, 234 – 244. Lecture Notes in Computer Science LNAI 12413. Springer International Publishing, Cham. doi: 10.1007/978-3-030-64313-3_23
• Searching and Intertwining: Climbing Plants and GrowBots*
  Gallentine, J., Wooten, M. B., Thielen, M., Walker, I. D., Speck, T., & Niklas, K. (2020). Searching and Intertwining: Climbing Plants and GrowBots. Front. Robot. AI 7: 118. doi: 10.3389/frobt.
• Fracture mechanics of the endocarp of Cocos nucifera*
  Schmier, S., Jentzsch, M., Speck, T., & Thielen, M. (2020). Fracture mechanics of the endocarp of Cocos nucifera. Materials & Design, 195, 108944. doi: 10.1016/j.matdes.2020.108944
• Comparative analyses of the self-sealing mechanisms in leaves of Delosperma cooperi and Delosperma ecklonis (Aizoaceae)*
  Hesse, L., Kampowski, T., Leupold, J., Caliaro, S., Speck, T., & Speck, O. (2020). Comparative Analyses of the Self-Sealing Mechanisms in Leaves of Delosperma cooperi and Delosperma ecklonis (Aizoaceae). International journal of molecular sciences, 21(16), 5768. doi:10.3390/ijms21165768 (Special Issue: Plant Biomechanics)
• Bamboo-inspired tubular scaffolds with functional gradients*
  Yin, K., Mylo, M. D., Speck, T., & Wegst, U. G. (2020). Bamboo-inspired tubular scaffolds with functional gradients. Journal of the Mechanical Behavior of Biomedical Materials, 103826. doi: 10.1016/j.jmbbm.2020.103826
• Exploring the attachment of the Mediterranean medicinal leech Hirudo verbana to porous substrates*
  Kampowski, T., Thiemann, L. L., Kürner, L., Speck, T., & Poppinga, S. (2020). Exploring the attachment of the Mediterranean medicinal leech (Hirudo verbana) to porous substrates. Journal of the Royal Society Interface, 17(168), 20200300. doi: 10.1098/rsif.2020.0300
• Snapping mechanics of the Venus flytrap Dionaea muscipula*
  Sachse, R., Westermeier, A., Mylo, M. D., Nadasdi, J., Bischoff, M., Speck, T., & Poppinga, S. (2020). Snapping mechanics of the Venus flytrap (Dionaea muscipula). Proceedings of the National Academy of Sciences, 117(27), 16035-16042. doi: 10.1073/pnas.2002707117
• Plant movements as concept generators for the development of biomimetic compliant mechanisms*
  Poppinga, S., Correa, D., Bruchmann, B., Menges, A., & Speck, T. (2020). Plant movements as concept generators for the development of biomimetic compliant mechanisms. Integrative and Comparative Biology. doi: 10.1093/icb/icaa028
• 2D and 3D graphical datasets for bamboo-inspired tubular scaffolds with functional gradients: micrographs and tomograms*
  Yin, K., Mylo, M. D., Speck, T., & Wegst, U. G. (2020). 2D and 3D graphical datasets for bamboo-inspired tubular scaffolds with functional gradients: micrographs and tomograms. Data in Brief, 31, 105870. doi: 10.1016/j.dib.2020.105870
• Artificial Venus Flytraps: A Research Review and Outlook on Their Importance for Novel Bioinspired Materials Systems*
  Esser, F., Auth, P., & Speck, T. (2020). Artificial Venus flytraps: a research review and outlook on their importance for novel bioinspired materials systems. Frontiers in Robotics and AI, 7, 75. doi: 10.3389/frobt.2020.00075
• Self-repair in cacti branches: comparative analyses of their morphology, anatomy and biomechanics*
  Mylo, M. D., Krüger, F., Speck, T., & Speck, O.. (2020). Self-Repair in Cacti Branches: Comparative Analyses of Their Morphology, Anatomy, and Biomechanics. International journal of molecular sciences, 21(13), 4630. doi:10.3390/ijms21134630 (Special Issue: Plant Biomechanics)
• Bio-inspired Lightweight Construction
  Speck, T. (2020). In: Fratzl, P. , Jacobs, K. , Möller, M., Scheibel, T., & Sternberg, K. (eds.). Materials Research: Inspired by Nature - Innovation Potential of Biologically Inspired Materials, 37 – 38. acatech DISKUSSION, utzverlag, München.
• Living Plant‐Hybrid Generators for Multidirectional Wind Energy Conversion*
  Meder, F., Thielen, M., Mondini, A., Speck, T., & Mazzolai, B. (2020). Living Plant‐Hybrid Generators for Multidirectional Wind Energy Conversion. Energy Technology, 2000236., doi: 10.1002/ente.202000236
• The Protective Role of Bark and Bark Fibers of the Giant Sequoia (Sequoiadendron giganteum) during High-Energy Impacts
  Bold, G., Langer, M., Börnert, L., & Speck, T. (2020). The Protective Role of Bark and Bark Fibers of the Giant Sequoia (Sequoiadendron giganteum) during High-Energy Impacts. International Journal of Molecular Sciences, 21(9), 3355. doi:10.3390/ijms21093355
• 4D pine scale: biomimetic 4D printed autonomous scale and flap structures capable of multi-phase movement*
  Correa, D., Poppinga, S., Mylo, M. D., Westermeier, A. S., Bruchmann, B., Menges, A., & Speck, T. (2020). 4D pine scale: biomimetic 4D printed autonomous scale and flap structures capable of multi-phase movement. Philosophical Transactions of the Royal Society A, 378(2167), 20190445. doi: 10.1098/rsta.2019.0445
• Aus der Vergangenheit für die Zukunft lernen: Fossile Pflanzen als Ideengeber für biomimetische Materialien und Strukturen*
  Speck, T. & Masselter, T. (2020). In Phylogenie, Funktionsmorphologie und Bionik. Schriften zum 60. Phylogenetischen Symposium in Tübingen, 79 – 96. Scidinge Hall Verlag, Tübingen.
• Bioinspirierter Leichtbau*
  Speck, T. (2019). In Materialforschung: Impulsgeber Natur – Innovationspotenzial biologisch inspirierter Materialien und Werkstoffe, 37 – 38. acatech DISKUSSION, utzverlag, München.
• Wound reactions in stems of Leonurus cardiaca: A morphological, anatomical and biomechanical study
  Speck, O., Schmauder, K., Speck, T., & Paul-Victor, C. (2020). Wound reactions in stems of Leonurus cardiaca: a morphological, anatomical, and biomechanical study. Botany, 98(1), 81-89., doi: 10.1139/cjb-2019-0002
• Plant Biomechanics in the 21st Century – Special Issue Editorial
  Geitmann, A., Niklas, K., & Speck, T. (2019). Plant biomechanics in the 21st century.Journal of Experimental Botany, 70(14): 3435-3438, doi: 10.1093/jxb/erz280
• Structural and functional imaging of large and opaque plant specimen*
  Hesse, L., Bunk, K., Leupold, J., Speck, T., & Masselter, T. (2019). Structural and functional imaging of large and opaque plant specimens. Journal of experimental botany, 70(14), 3659-3678. doi: 10.1093/jxb/erz186
• Characterization of biomimetic peristaltic pumping system based on flexible silicone soft robotic actuators as an alternative for technical pumps
  Esser, F., Krüger, F., Masselter, T., & Speck, T. (2019, July). Characterization of Biomimetic Peristaltic Pumping System Based on Flexible Silicone Soft Robotic Actuators as an Alternative for Technical Pumps. In Conference on Biomimetic and Biohybrid Systems (pp. 101-113). Springer, Cham. doi: 10.1007/978-3-030-24741-6_9
• Adaptive biomimetic actuator systems reacting to various stimuli by and combining two biological snap-trap mechanics*
  Esser, F., Scherag, F. D., Poppinga, S., Westermeier, A., Mylo, M. D., Kampowski, T., Bold, G., Rühe, J., & Speck, T. (2019, July). Adaptive Biomimetic Actuator Systems Reacting to Various Stimuli by and Combining Two Biological Snap-Trap Mechanics. In Conference on Biomimetic and Biohybrid Systems (pp. 114-121). Springer, Cham. doi: 10.1007/978-3-030-24741-6_10
• Silent pumpers: a comparative topical overview of the peristaltic pumping principle in living nature, engineering and biomimetics
  Esser, F., Masselter, T., & Speck, T. (2019). Silent Pumpers: A Comparative Topical Overview of the Peristaltic Pumping Principle in Living Nature, Engineering, and Biomimetics. Advanced Intelligent Systems, 1(2), 1900009., doi: 10.1002/aisy.201900009
• Twist-to-bend ratio: an important selective factor for many rod-shaped biological structures*
  Wolff-Vorbeck, S., Langer, M., Speck, O., Speck, T., & Dondl, P. (2019). Twist-to-bend ratio: an important selective factor for many rod-shaped biological structures. Scientific reports, 9(1), 1-15. doi: 10.1038/s41598-019-52878-z
• Resolving form-structure-function relationships in plants with MRI for biomimetics transfer*
  Hesse, L., Leupold, J., Poppinga, S., Wick, M., Strobel, K., Masselter, T., & Speck, T. (2019). Resolving form–structure–function relationships in plants with MRI for biomimetic transfer. Integrative and Comparative Biology, 59(6), 1713-1726. doi: 10.1093/icb/icz051/54978
• Quo vadis plant biomechanics: Old wine in new bottles or an up-and-coming field of modern plant science?*
  Speck, T., & Speck, O. (2019). Quo vadis plant biomechanics: Old wine in new bottles or an up‐and‐coming field of modern plant science?. American Journal of Botany, 106(11), 1399-1403. doi: 10.1002/ajb2.1371.
• An Overview of Bioinspired and Biomimetic Self-Repairing Materials*
  Speck, O., Speck, T. (2019). An overview of bioinspired and biomimetic self-repairing materials. Biomimetics, 4(1), 26. doi: 10.33.90/biomimetics4010026
• Emergence in Biomimetic Materials Systems
  Speck, T., & Speck, O. (2019). Emergence in biomimetic materials systems. In Emergence and modularity in life sciences (pp. 97-115). Springer, Cham.
  
  
  * Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy – EXC-2193/1 – 390951807