Address

Max Planck Institute of Colloids and Interfaces

Dr. John Dunlop

Am Mühlenberg 1

14476 Potsdam

Germany

Links

Dr. John Dunlop

Dr. John Dunlop

Dr. John Dunlop

Position:

Group Leader

Phone:

  • +49 (331) 567-9420

Fax:

  • +49 (331) 567-9402

Room:

K-0.215

Main Focus

Mechanics of Actuating Systems

• Modelling mechanics of actuating plant systems
• Designing novel materials-actuation systems

Modelling of Tissue Growth

• Interaction between mechanics and cell action in trabecular bone
• Effect of geometry on tissue growth

Mechanics of Cellular Materials

• Stability of porous solids
• Effect of underlying architecture on deformation localisation
 

Curriculum Vitae

Academic Qualifications
    
1996-2001     
Bachelor of Science (1st Class Honours) majoring in Chemistry
Bachelor of Engineering (1st Class Honours) majoring in Materials Engineering
University of Western Australia (Perth, Australia)

2002-2005     
Doctorate in Materials Science. Thesis: Internal variable modelling of creep and recrystallisation in zirconium alloys
Institut National Polytechnique de Grenoble, Laboratoire Thermodynamique et de Physico-chimie des Matériaux. Grenoble (France)

2016
Habilitation in Biological Physics. Thesis: The physics of shape change in biology
Potsdam University (Potsdam, Germany).

Academic Career
    
Since 02/2006     
Postdoctoral Scientist
Department of Biomaterials, Max Planck Institute of Colloid and Interfaces, Potsdam (Germany)
    
2007
Alexander von Humboldt Fellow
    
Since 11/2008
Research Group Leader
Department of Biomaterials, Max Planck Institute of Colloids and Interfaces

Publication List

Edited Book

  • Fratzl, P., Dunlop J. W. C., and Weinkamer, R. (eds), Materials Design Inspired by Nature, RSC Publishing, 2013. 

Book Chapters

  • Burgert, I. and Dunlop, J. W. C., Micromechanics of Cell Walls, 2011, in Plant Cells and Plants, P. Wotjasek (ed)Signalling and Communication in Plants, 9, 27-52.
  • Guiducci, L., Dunlop, J. W. C., and Fratzl, P., An introduction to the physics of self-folding thin structures, 2016, in On Folding. Towards a New Field of Interdisciplinary Research, Friedman, M. ,and Schäffner, W. (eds), Transcript Verlag, Bielefeld, 175-210.

Review Articles

  • Weinkamer, R., Dunlop, J. W. C., Bréchet, Y. J. M., Fratzl. P., All but diamonds – biological materials are not foreverActa Materialia, 2013, 61 ,880-889.
  • Eder, M., Arnould, O., Dunlop, J. W. C.,  Hornatowska, J., Salmén, L., Experimental micromechanical characterization of wood cell wallsWood Science and Technology. 2013, 47, 163-182.
  • Dunlop, J. W. C., Fratzl, P., Multilevel Architectures in Natural MaterialsScripta Materiala, 2013. 68, 8 -12.
  • Dunlop, J. W. C., Weinkamer, R., Fratzl, P., Artful interfaces within biological materialsMaterials Today, 2011, 14, 70-78. (Republished in conference proceedings of Actas del IX Congresso Nacional de Materiales Compuestos, Girona, Spain 5-8 July 2011)
  • Kollmannsberger, P., Bidan, C. M., Dunlop, J. W. C., Fratzl, P. The physics of tissue patterning and extracellular matrix organisation: How cells join forces, Soft Matter, 2011, 7, 9549-9560.
  • Dunlop. J. W. C. and Fratzl, P., Biological CompositesAnnual Review of Materials Research, 2010, 40, 1-24

Commentaries

  • Dunlop, J. W. C., Frazl, P., Bioinspired composites: Making a tooth mimic, Nature Materials, 2015, 14, 1082-1083 (Invited News and Views Article)

Full Articles

2017

  • Werner, M., Blanquer, S. B. G., Haimi, S. P., Korus, G., Dunlop, J. W.C., Duda, G. N., Grijpma, D. W., Petersen, A. Surface Curvature Differentially Regulates Stem Cell Migration and Differentiation via Altered Attachment Morphology and Nuclear Deformation, Advanced Science, 2017, 4, 1600347.
  • Lin, H., Gong, J., Eder, M., Schuetz R., Peng, H., Dunlop, J. W. C., Yuan, J., Programmable actuation of porous poly(ionic liquid) membranes by aligned carbon nanotubes, Advanced Materials Interfaces, 2017, 4, 1600768.
  • Zhukova, Y., Ulasevich, S. A., Dunlop, J. W. C., Fratzl, P., Möhwald, H., Skorb, K., Mesoporous titania surfaces for biological applications, Ultrasonic - Sonochemistry, 2017, 36, 146-154.
  • Albéric, M., Wagermaier, W., Gourrier, A., Staude, A., Dunlop, J. W. C., Dean, M. N., Fratzl, P., Reiche, I., Relation between the macroscopic pattern of elephant ivory and its three-dimensional micro-tubular network, PLoS ONE, 2017, 12, e0166671.
  • Gong, J., Lin, H., Dunlop, J. W. C., Yuan, J., Hierarchically arranged helical fiber actuators derived from commercial clothAdvanced Materials, 2017, 1605103. DOI: 10.1002/adma.201605103.
  • Zhukova, Y., Hiepen, C., Knaus, P., Osterland, M., Prohaska, S., Dunlop, J. W. C., Fratzl, P., Skorb, E. V., The role of surface nanotopography on preosteoblast morphology, adhesion and migrationAdvanced Healthcare Materials, 2017, 1601244. DOI: 10.1002/adhm.201601244.
  • Jayasankar, A, Seidel, R., Guiducci, L., Hosny, A.S.F., Fratzl, P., Weaver, J. C., Dunlop, J. W.C., Dean, M.N., Mechanical behavior of idealized, stingray-skeleton-inspired tiled composites as a function of geometry and material propertiesJournal of the Mechanical Behavior of Biomedical Materials, 2017, DOI: 10.1016/j.jmbbm.2017.02.028.
  • Lin, H., Gong, J., Miao, H., Guterman, R., Song, H., Zhao, Q., Dunlop, J. W. C., Yuan, J., Flexible and Actuating Nanoporous Poly(ionic liquids)-paper based Hybrid Membranes. ACS Applied Materials and Interfaces, 2017, DOI: 10.1021/acsami.7b02920.
  • Ukmar-Godec, T., Bertinetti, L., Dunlop, J. W.C., Godec, A., Grabiger, M. A., Masic, A., Nguyen, H., Zlotnikov, I., Zaslansky, P., Faivre, D., Materials nanoarchitecturing via cation-mediated protein assembly: making limpet teeth without mineral, Advanced Materials, 2017. DOI: 10.1002/adma.201701171.
  • Ehrig, S., Ferracci, J., Weinkamer, R., Dunlop, J. W.C., Curvature controlled defect dynamics in active systems. Accepted in PRE 2017

2016

  • Kopf, J., Ulasevich, S., Baidukova, O., Zhukova, Y., Dunlop, J. W. C., Fratzl, P., Rikeit, P., Knaus, P., Poznyak, S. K., Andreeva, D. V., and Skorb, E. V., Ultrasonically Produced Porous Sponge Layer on Titanium to Guide Cell Behavior. Advanced Engineering Materials, 2016, 18, 476–483.
  • Bidan, C. M., Kollmannsberger, P., Gering, V., Ehrig, S., Joly, P., Petersen, A., Vogel, V., Fratzl, P., Dunlop, J. W.C., Gradual conversion of cellular stress patterns into pre-stressed matrix architecture during in vitro tissue growth. Journal of the Royal Society Interface, 2016, 13, 20160136.
  • Stoychev, G., Guiducci, L., Turcaud, S., Dunlop, J. W. C., and Ionov, L., Hole-programmed superfast multistep actuation of polymer bilayers, Advanced Functional Materials,  2016, 26, 7733-7739.
  • Guiducci, L., Razghandi, K., Turcaud, S., Bertinetti, L., Rüggeberg, M., Weaver, J., Fratzl, P., Burgert, I., and Dunlop, J. W. C., Honeycomb actuators inspired by unfolding of ice-plant seed capsulesPLoS ONE, 2016, 11, e0163506.

2015

  • Habegger, M.L, Dean M.N, Dunlop, J. W. C., Mullins, G, Stokes, M, Huber, D.R, Winters, D and Motta, P.J, Feeding in billfishes: inferring the role of the rostrum from a biomechanical standpointJournal of Experimental Biology, 2015, 218, 824-836.
  • Zhao, Q., Heyda, J., Dzubiella, J., Täuber, T., Dunlop, J. W. C. Yuan, J., Porous poly(ionic liquid) actuator with ultra-high sensitivity to solventsAdvanced Materials, 2015, 27, 2913-2917.
  • Fischer, F. D., Zickler, G., Dunlop, J. W. C., Fratzl, P. Tissue growth controlled by geometric boundary conditions: a simple model recapitulating aspects of callus formation and bone healingJournal of the Royal Society Interface, 2015, 12, 20150108.
  • Herklotz, M., Prewitz, M. C., Bidan, C. M., Drichel, J., Scharnetzki, D., Dunlop, J. W. C., Fratzl, P., Werner, C., Availability of extracellular matrix biopolymers determines space-filling growth of human mesenchymal stem cells in vitroBiomaterials, 2015, 60, 121-129.
  • Guiducci, L., Weaver, J. C., Bréchet, Y. J. M., Fratzl, P., Dunlop, J. W. C., The Geometric Design and Fabrication of Actuating Cellular Structures, Advanced Materials Interfaces, 2015, 2, 1500011.

2014

  • Zhao, Q., Dunlop, J. W. C., Qiu, X., Huang, F., Zhang, Z., Heyda, J., Dzubiella, J., Antonietti, M., and Yuan, J., An instant multi-responsive porous polymer actuator operating via solvent molecule sorptionNature Communications, 2014, 5, 4293. 
  • Razghandi, K., Bertinetti, L., Guiducci, L., Dunlop, J. W. C., Neinhuis, C., Fratzl P. Burgert, I., Hydro-actuation of ice plant seed capsules powered by water uptakeBioinspired, Biomimetic and Nanobiomaterials, 2014, 3, 169-182. 
  • Guiducci, L., Fratzl, P., Bréchet, Y. J. M., Dunlop, J. W. C., Pressurized honeycomb as soft-actuators: a theoretical studyJournal of the Royal Society Interface, 2014, 11: 20140458. 
  • Bennet, M., McCarthy, A., Fix, D., Edwards, M. R., Repp, F., Vach, P., Dunlop, J. W. C., Sitti, M., Buller, G. S., Klumpp, S., Faivre, D., Influence of Magnetic Fields on Magneto-AerotaxisPLoS One, 2014, 9(7), e101150. 

2013

  • Bidan C.M., Kommareddy K.P., Rumpler M., Kollmannsberger P., Fratzl P., Dunlop J.W.C. Geometry as a factor for tissue growth: Towards shape optimization of tissue engineering scaffolds, Advanced HealthCare Materials, 2013, 2, 186-194.
  • Tamjid, E., Simchi, A., Dunlop, J. W. C., Fratzl, P., Bagheri, R., Vossoughi, M., Tissue growth into three-dimensional composite scaffolds with controlled micro-features and nanotopographical surfacesJournal of Biomedical Materials Research A, 2013, 101, 2796-2807.
  • Stoychev, G., Turcaud, S., Dunlop, J. W. C., Ionov, L., Hierarchical multi-step folding of polymer bilayers, Advanced Functional Materials, 2013, 23, 2295-2300.
  • Gamsjäger, E., Bidan, C. M., Fischer, F.D., Fratzl P., Dunlop, J.W.C., Modelling the role of surface stress on the kinetics of tissue growth in confined geometries, Acta Biomaterialia, 2013, 9, 5531-5543.
  • Bidan, C, M., Wang, F. M., Dunlop, J. W. C., A three dimensional model for tissue deposition on complex surfacesComputer Methods in Biomechanics and Biomedical Engineering, 2013, 16, 1056-1070.
  • Gupta, H. S., Krauß, S., Kerschnitzki, M., Karunaratne, A., Dunlop, J. W. C., Barber, A. H., Boesecke, P., Funari, S. S. Fratzl, P., Intrafibrillar plasticity through mineral/collagen sliding is the dominant mechanism for the extreme toughness of antler boneJournal of Mechanical Behaviour of Biomedical Materials, 2013. 28, 366-382.
  • Galvis, L, Masic, A., Dunlop, J. W. C., Duda, G. and Peter Fratzl– Theoretical and experimental study of polarized Raman anisotropic response of collagen amide I band in tendonPLoS ONE 2013, 8(5): e63518

2012

  • Rusconi, M., Valleriani, A., Dunlop, J. W. C., Kurths, J., Weinkamer, R., Quantitative approach to the stochastics of bone remodelling EPL, 2012. 97, 28009.
  • Abraham, Y., Tamburu, C., Klein, E., Dunlop, J. W. C., Fratzl, P., Raviv, U., Elbaum, R., Tilted cellulose arrangement as a novel mechanism for hygroscopic coiling in the stork's bill awnJournal of the Royal Society Interface, 2012, 9, 640-647.
  • Vermolen, F. J., Gefen, A., and Dunlop, J. W. C., Modeling of in–vitro ’wound’ healing: some models and experimental validationAdvanced Biomaterials, 2012, 14, B76-B88.
  • Bidan C.M., Kommareddy K.P., Rumpler M., Kollmannsberger P., Bréchet Y., Fratzl P., Dunlop J.W.C., How Linear Tension Converts to Curvature: Geometric Control of Bone Tissue Growth, PLoS ONE, 2012, 7(5): e36336.
  • Stoychev, G., Zakharchenko, S., Turcaud, S., Dunlop, J. W. C., Ionov, L., Shape programmed folding of stimuli-responsive polymer bilayersACS Nano, 2012, 6, 3925-2934.
  • Zickler, G. A., Ruffoni, D., Dunlop, J. W. C., Elbaum, R., Weinkamer, R., Fratzl, P., Antretter, T., Finite element modeling of the cyclic wetting mechanism in the active part of wheat awns,  Biointerphases, 2012, 7:42, DOI/ 10.1007/s13758-012-0042-x.
  • Seto, J., Busse, B., Gupta, H. S., Schäfer, C., Krauss, S., Dunlop, J. W. C., Masic, A., Kerschnitzki, M., Zaslansky, P.,Boesecke, P.,Catalá-Lehnen, P., Schinke, T., Fratzl, P., Jahnen-Dechent, W.  Accelerated growth plate mineralization and foreshortened proximal limb bones in Fetuin-A knockout micePLoS ONE, 2012, 7(10): e47338.

2011

  • Hartmann, M., Dunlop, J. W. C., Fratzl, P., Bréchet, Y., Weinkamer, R., Trabecular bone remodelling simulated by a stochastic exchange of discrete bone packets from the surfaceJournal of Mechanical Behaviour of Biomedical Materials, 2011, 4, 879-887.
  • Hoo, R.-P., Fratzl, P., Daniels, J., Dunlop, J. W. C., Honkimäki, V., Hoffman, M., Cooperation of length scales and orientations in the deformation of bovine bone, Acta Biomaterialia, 2011, 7, 2943-2951.
  • Harrington, M. J., Razghandi, K., Ditsch, F., Guiducci, L., Rueggeberg, M., Dunlop J. W. C., Fratzl, P., Neinhuis, C., and Burgert, I., Origami-like unfolding of hydro-actuated ice plant seed capsules, Nature Communications, 2011, 2, 337.
  • Shahar, R., Lukas, C., Papo, S., Dunlop, J. W. C., Weinkamer, R., Characterization of the spatial arrangement of secondary osteons in the diaphysis of equine and canine long bonesAnatomical Record, 2011, 294, 1093-1102. 
  • Turcaud, S., Guiducci, L., Fratzl, P., Y. J. M., Bréchet, Dunlop, J. W. C., An excursion into the design space of biomimetic architectured biphasic actuatorsInternational Journal of Materials Research, 2011, 6, 607-612.
  • Masic, A., Bertinetti, L., Schuetz, R., Galvis, L., Timofeeva, N., Dunlop, J. W. C., Seto, J., Hartmann, M. A., Fratzl, P., Observations of Multi-scale, Stress-induced Changes of Collagen Orientation in Tendon by Polarized Raman SpectroscopyBiomacromolecules, 2011, 12, 3989-3996.

2010

  • Ruffoni D., Dunlop J. W. C., Fratzl P., and Weinkamer R., Effect on minimal defects in periodic cellular solids Philosophical Magazine, 2010, 90, 1807-1818.
  • Dunlop, J. W. C., Fischer F. D., Gamsjäger, E,. Fratzl, P., A theoretical model for tissue growth in confined geometriesJ. Mech. Phys. Solids, 2010, 58, 1073-1087
  • Gamsjäger, S., Masic, A., Roschger, P., Kazanci, M., Dunlop, J. W. C., Klaushofer, K., Paschalis, E. P., Fratzl, P., Cortical bone orientation and composition as a function of bone maturation in a mouse animal model obtained by Raman spectroscopy, Bone, 2010, 47, 392-399.
  • Kommareddy, K. P., Lange, C., Rumpler, M., Dunlop, J. W. C., Manjubala, I., Cui, J., Kratz, K., Lendlein, A.,  and Fratzl, P., Two stages in three-dimensional in vitro growth of tissue generated by osteoblast-like cellsBiointerphases, 2010, 5, 45-52.
  • Bilyk, A. Dunlop, J. W., Hall, A. K., Harrowfield, J. M., Wais Hosseini, M., Koutsantonis, G. A., Skelton, B. W., and White, A. H., Systematic Structural Coordination Chemistry of p-tert-Butyltetrathiacalix[4]arene: Main Group Metal Complexes Other Than Those of Group 1European Journal of Inorganic Chemistry, 2010, 14, 2089-2105.
  • Bilyk, A. Dunlop, J. W., Fuller, R. O., Hall, A. K., Harrowfield, J. M., Wais Hosseini, M., Koutsantonis, G. A., Murray, I. W., Skelton, B. W., Stamps, R. L., and White, A. H., Systematic Structural Coordination Chemistry of p-tert-Butyltetrathiacalix[4]arene: Further Complexes of Transition-Metal Ions, European Journal of Inorganic Chemistry, 2010, 14, 2106-2126.
  • Bilyk, A. Dunlop, J. W., Fuller, R. O., Hall, A. K., Harrowfield, J. M., Wais Hosseini, M., Koutsantonis, G. A., Murray, I. W., Skelton, B. W., Sobolev, A. N., Stamps, R. L., and White, A. H., Systematic Structural Coordination Chemistry of p-tert-Butyltetrathiacalix[4]arene: Further Complexes of Lanthanide Metal IonsEuropean Journal of Inorganic Chemistry, 2010, 14, 2127-2152.

2009

  • Dunlop, J. W. C., Hartmann, M. A., Bréchet, Y. J. M., Fratzl, P., Weinkamer, R., Bone remodeling is controlled by an activation barrier, not by a lazy zoneCalcified Tissue International, 2009, 85, 45-54.
  • Muter, D., Jahnert S., Dunlop, J. W. C., Findenegg, G., Paris O., Pore structure and fluid sorption in ordered mesoporous silica II: ModelingJournal of Chemical Physics C., 2009, 113, 15211-15217.
  • Abasolo, W., Eder, M., Yamauchi, K., Obel, N., Reinecke, A., Neumetzler, L., Dunlop, J. W. C., Mouille, G., Pauly, M., Höfte, H., Burgert, I., Pectin may hinder the unfolding of xyloglucan chains during cell deformation – implications of the mechanical performance of Arabidopsis hypocotyls with pectin alterationsMolecular Plant, 2009, 2, p990-999.

2008

  • Rumpler, M., Woesz, A., Dunlop, J. W. C., van Dongen, J. T., Fratzl, P., The effect of geometry on three-dimensional tissue growthJournal of the Royal Society Interface, 2008, 5(27): 1173–1180.
  • Goswami, L., Dunlop, J. W. C., Jungnikl, K, Eder, M., Gierlinger, N., Coutand, C., Jeronimidis, G., Fratzl, P., Burgert, I., Stress generation in tension wood of poplar is based on the lateral swelling power of the G-layer, The Plant Journal, 2008, 2008, 56, 531-538.

2007

  • Dunlop, J., Bréchet, Y., Legras, L., and Estrin, Y., Dislocation density based modelling of plastic deformation of      Zircaloy-4. Materials Science and Engineering A, 443, p77-86, 2007
  • Dunlop, J., Bréchet, Y., Legras, L., and Zurob, H., Modelling isothermal and non-isothermal recrystallisation kinetics. Application to Zircaloy-4. Journal of Nuclear Materials, 2007, 266, 178-186.

2006

  • Zurob, H., Bréchet, Y. and Dunlop, J. Quantitative criterion for nucleation of recrystallisation in solid solutionsActa Materialia, 2006, 54, p. 3983-3990.

2001

  • Asfari, Z., Bilyk, A., Dunlop, J., Hall, A., Harrowfield, J., Wais Hosseini, M., Skelton, B., and White, A., Subtleties with Sulfur: Calixerenes as UranophilesAngewandte Chemie International Edition, 2001, 40, 4, p. 721-723

Papers in Conference Proceedings

  • C.M. Bidan, P. Kollmannsberger, K.P. Kommareddy, M. Rumpler, Y.J.M. Bréchet, P. Fratzl, J.W.C. Dunlop, From cell contractility to curvature-controlled tissue growth10th International Symposium on Biomechanics and Biomedical Engineering, Berlin, 2012. (Awarded the Taylor and Francis Prize for Best Presentation on Biomechanics)
  • Dunlop, J. W. C., Gamsjäger, E., Bidan, C., Kommareddy, K. P., Kollmannsberger, P., Rumpler, M., Fischer, F. D., Fratzl, P., The modelling of tissue growth in confined geometries, effect of surface tension19th International Conference on Computer Methods in Mechanics, Warsaw, 2011.
  • Galvis, L., Mehta, M., Maši?, A., Dunlop, J.W.C., Duda, G., and Fratzl, P., Collagen Orientation During Early Stages of Bone Fracture Healing Investigated by Polarized, Raman ImagingXXII International Conference on Raman Spectroscopy, Boston, 2010
  • Dunlop, J. W. C., Bréchet, Y. J. M., Architectured Structural Materials: A Parallel Between Nature and EngineeringMRS Proceedings Spring Meeting, 2009 v1188, 1188-LL09-04.
  • Decreus, B., Zurob H. S., Dunlop, J. and Bréchet Y., Effect of Low-Temperature Recovery Treatments on Subsequent Recrystallisation in Al-2.5%MgMaterials Science Forum, 2007, 550, 381-386.
  • Dunlop, J., Weinkamer, R., Bréchet, Y., and Fratzl, P., The influence of architecture on the deformation localisation of cellular materials, Conference Proceedings of the 18th French Mechanics Society Congress, Grenoble, 1568, 2007.
  • Dunlop, J., Bréchet, Y. and Legras, L., A coupled recovery/recrystallisation model for zirconium alloys. Influence of hydrogenMaterials Science Forum, 2004, 467-470, p. 629-634.
  • Innes, B., Tsuzuki, T., Dawkins, H., Dunlop, J., Trotter, G., Nearn, M., and McCormick, P., Nanotechnology and the Cosmetic ChemistCosmetics, Aerosols and Toiletries in Australia, 2002, 15, p. 21-4.

Organizational Unit (Department, Group, Facility):

  • Biomaterials
  • Biomimetic Actuation and Tissue Growth
 
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