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Poster

Growing bone-like tissues on negative Gaussian curvature surfaces

Sunday (01.01.2040)
00:00 - 21:04
Part of:
Line-Up:
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- Poster Radiation-based methods for surface modification of supramolecular peptide fibrils 0 Juhaina Bandak
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- Poster Tobacco mosaic virus disks, preparation of samples to investigate mineralization by low voltage electron microscopy 1 Dr. Sabine Eiben
- Poster Deformation of Liquid-Liquid Phase Boundary as Template for Novel Surface Structured Polymer Particles and Coatings 1 Helena vom Stein
- Poster Sclerenchymatic tissue in Banksia follicles – The effect of moisture on dimensional and mechanical properties 1 Friedrich Reppe
- Poster Reconstructing in-situ nanofibrillar orientation and mechanics in arthropod cuticle using X-ray diffraction modelling 1 Ph.D. Yanhong Wang
- Poster Structural origins of morphing in plant tissues 1 Prof. Dr. Hanoch Daniel Wagner
- Poster What is the effect of cell network topology on the poro-elastic properties of bone? 1 Alexander van Tol
- Poster The fibrillar-level mechanisms of mutability in echinoderm connective tissue analysed using in situ synchrotron small-angle X-ray scattering 1 Dr. Himadri Shikhar Gupta
- Poster Growing bone-like tissues on negative Gaussian curvature surfaces 1 Prof. Dr. John Dunlop
- Poster Gradient porous materials for reliable structured adhesives 1 Ph.D. Di Tan
- Poster Transfer of surface properties of wheat leaves to technical surfaces 1 Miriam Huth
- Poster Damping Behaviour of Bioinspired and Natural Fibre Composites 1 Wilhelm Woigk
- Poster Cancer cells biomineralize ionic gold into nanoparticles-microplates via secreting defense proteins with specific gold-binding peptides 1 Dr. Ajay Vikram Singh
- Poster Microstructural Assessment of Calvarial Fusion in Mice of Different Ages and its Biomechanical Implications 1 Dr. Junning Chen
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- Poster Inspirational Multiscale Natural Structures 1 Dr. XiaoMeng Sui
- Poster The Exoskeleton of Scorpions: from Structure to Mechanical Function 1 Israel Kellersztein
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- Poster Light guided 3D-structuring of EPS produced by red algae 1 Moritz Klotz
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- Poster Plant Biomimetics: Surface-Structured Pollen Particles and Transparent Flower Petals 1 Prof. Dr. Olaf Karthaus
- Poster Coupling of polymers to tobacco mosaic virus: towards the production of amphiphilic virus tubes 1 Dr. Sabine Eiben
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- Poster Cuttlebone-inspired Structures for Mechanical Damping 1 Dipl.-Ing. Andrea Knöller

Session P.1: Poster discussion evening
Belongs to:
Session P: Poster Presentation


The remarkable property combinations of biological materials arise through the multi-scale arrangement of different constituents at multiple length scales. Although much is understood about the link between structure and function in many tissues, it is still unclear how complex tissue architectures are produced by collections of cells, especially when one considers that tissue patterning occurs over length scales much larger than that of the single cell. A key observation is that cells can communicate through the long range transmission of forces, which in turn implies that the shape of the physical environment may influence cell behaviour and thus tissue patterning. Inspired by the topology of trabecular bone, we have developed an in-vitro experimental system which enables us to explore how bone-like cells respond to constant mean- and negative Gaussian- curvature surfaces. We find that the macroscopic shape of tissues growing on these surfaces can be described by the Laplace-Young equation and furthermore demonstrate the importance of mean surface curvature on the local rate of tissue growth. A surprising outcome is that after sufficient growth, the tissues self-organise into long range chiral structures, in many ways similar to the twisting arrangement of collagen that is found around osteons in bone. Despite the relative simplicity of these surfaces, they give rise to a rich cell and tissue behaviour that helps us understand more about the fundamentals of tissue morphogenesis, thus inspiring the design of new materials for regenerative medicine.

Speaker:
Prof. Dr. John Dunlop
University of Salzburg
Additional Authors:
  • Dr. Sebastian Ehrig
    Max Planck Institute of Colloids and Interfaces
  • Prof. Dr. Peter Fratzl
    Max Planck Institute of Colloids and Interfaces
  • Dr. Cécile Bidan
    Max Planck Institute of Colloids and Interfaces
  • Alan West
    Max Planck Institute of Colloids and Interfaces
  • Cornelius Mueller
    Max Planck Institute of Colloids and Interfaces
  • Karen Lam
    Max Planck Institute of Colloids and Interfaces
  • Dr. Ansgar Petersen
    Charité Hospital Berlin
  • Dr. Philip Kollmannsberger
    University of Würzburg
  • Dr. Pavel Tomancak
    Max Planck Institute of Molecular Cell Biology and Genetics
  • Dr. Krishna Kommareddy
    Max Planck Institute of Colloids and Interfaces

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