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Research Article

Micromechanics of Sea Urchin Spines

  • Naomi Tsafnat mail,

    n.tsafnat@unsw.edu.au

    Affiliation: School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, New South Wales, Australia

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  • John D. Fitz Gerald,

    Affiliation: Research School of Earth Sciences, Australian National University, Canberra, Australian Capital Territory, Australia

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  • Hai N. Le,

    Affiliation: Research School of Engineering, Australian National University, Canberra, Australian Capital Territory, Australia

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  • Zbigniew H. Stachurski

    Affiliation: Research School of Engineering, Australian National University, Canberra, Australian Capital Territory, Australia

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  • Published: September 11, 2012
  • DOI: 10.1371/journal.pone.0044140

About the Authors

Naomi Tsafnat
School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, New South Wales, Australia
John D. Fitz Gerald
Research School of Earth Sciences, Australian National University, Canberra, Australian Capital Territory, Australia
Hai N. Le, Zbigniew H. Stachurski
Research School of Engineering, Australian National University, Canberra, Australian Capital Territory, Australia

Corresponding Author

Email: n.tsafnat@unsw.edu.au

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NT JDFG ZHS. Performed the experiments: NT JDFG HNL ZHS. Analyzed the data: NT JDFG HNL ZHS. Contributed reagents/materials/analysis tools: NT JDFG ZHS. Wrote the paper: NT JDFG HNL ZHS. Obtained microCT images: HNL. Carried out finite element analysis: NT HNL. Supervised the study: JDFG ZHS.