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Dr. Mason Dean
Mason Dean
Contact:
Address: Max Planck Institute
of Colloids and Interfaces
Department of Biomaterials
Research Campus Potsdam-Golm
14424 Potsdam, Germany
Phone: +49(0)331/567-9450
Fax: +49(0)331/567-9402
E-mail: mason.dean

Research Interests

  • Functional morphology and evolution of feeding in vertebrates, particularly fishes.
  • Biomechanics and structural properties of materials, especially elasmobranch cartilage.
  • Integrating science, experience and multimedia as a teaching/presentation methodology.

I am interested in form and function relationships in vertebrate musculoskeletal systems; these are especially intriguing in fishes, where many more "intermediate" tissue types exist than are found in mammals. At the MPI and in collaboration with Stanislav Gorb at the University of Kiel, I am working to understand the ultrastructure and micro-mechanics of the skeletons of sharks and rays, which are made entirely of cartilage yet support the very dynamic and long lives of these fishes.

Education:

2009

Ph.D. in Biology University of California Irvine (UCI), Department of Ecology and Evolutionary Biology.
2006 Workshop on Cryomethods, Ultracryotomy and Immunolabeling, Cell Microscopy Center, Utrecht, The Netherlands

2009

M.S. in Zoology Dr. Philip J. Motta, Department of Biology, University of South Florida (USF)

1997

A.B. with Distinction Department of Biology, Duke University

1995

Semester study abroad Department of Biology, James Cook University (JCU), Queensland, Australia
Selected Honours and Fellowships:

2009

Alexander von Humboldt Post-doctoral Fellowship – Max Planck Institute, Potsdam, Germany

2008

Josephine de Kármán Fellowship

2006

Best Poster Award for the Biological Sciences, International Microscopy Congress

2006

D. Dwight Davis Best Student Paper Award; Division of Vertebrate Morphology (SICB)

2005

Journal of Experimental Biology Traveling Fellowship (Max Planck Institute, Stuttgart, Germany)

2004

Outstanding Master’s Thesis Award; USF
Professional Positions:

2008

Teaching Assistant; Human Anatomy, Nursing Program - Department of Anatomy & Neurobiology, UCI

2006, 07

Instructor; Comparative Vertebrate Anatomy, UCI

2003

Histologist; Skeletal Biology Laboratory (Dr. Tom Koob); Shriner’s Hospital for Children, Tampa, FL

1999-2006

Teaching Assistant; Departments of Biology (USF) and Ecology & Evolutionary Biology (UCI)

1998

Research Intern; Caribbean Marine Research Center (CMRC), Lee Stocking Island, Exumas, Bahamas
Publications:
2009
Dean, MN, LF Hale, CG Mull, SN Gorb & AP Summers (2009) Ontogeny of the tessellated skeleton: Insight from the skeletal growth of the round stingray Urobatis halleri. Journal of Anatomy. 215(3): 227-239
Dean, MN, BO Swanson & AP Summers (2009) Biomaterials: Properties, variation and evolution. Integrative & Comparative Biology. 49(1): 15-20
2008
Dean, MN, SN Gorb & AP Summers (2008) A cryoSEM method for preservation and visualization of calcified shark cartilage (and other stubborn heterogeneous skeletal tissues). Microscopy Today. 16(6): 48-50
Wroe, S, DR Huber, M Lowry, C McHenry, K Moreno, P Clausen, T Ferrara, E Cunningham, MN Dean & AP Summers (2008) 3d computer analysis of white shark jaw mechanics: How hard can a great white bite? Journal of Zoology. 276: 336-342
Gerry, SP, JB Ramsay, MN Dean & CD Wilga (2008) Evolution of asynchronous motor activity in paired muscles: Effects of ecology, morphology and phylogeny. Integrative & Comparative Biology. 48(2): 272-282
Huber, DR, MN Dean & AP Summers (2008) Hard prey, soft jaws, and the ontogeny of feeding mechanics in the spotted ratfish Hydrolagus colliei. Journal of the Royal Society Interface. 5: 941-952
Dean, MN, JB Ramsay & JT Schaefer (2008) Tooth reorientation affects tooth function during prey processing and tooth ontogeny in the lesser electric ray (Narcine brasiliensis, Ölfers, 1831). Zoology. 111(2): 123-134
2007
Dean, MN & AP Summers (2007) News & Views: Fish feeding hardly a drag. Nature. 445(7130): 827-8
Dean, MN, E Azizi & AP Summers (2007) Uniform strain in broad muscles: Active and passive effects of the twisted tendon of the ratfish, Hydrolagus colliei. Journal of Experimental Biology. 210: 3395-3406
Dean, MN, JJ Bizzarro & AP Summers (2007) The evolution of cranial design, diet and feeding mechanisms in batoid fishes. Integrative & Comparative Biology. 47: 70-81
2006
Dean, MN, DR Huber & HA Nance (2006) Functional morphology of jaw trabeculation in the lesser electric ray Narcine brasiliensis, with comments on the evolution of structural support in the Batoidea. Journal of Morphology. 267: 1137-1146
Dean, MN & AP Summers (2006) Cartilage in the skeleton of cartilaginous fishes. Zoology. 109(2): 164-168
Sasko, DE, MN Dean, PJ Motta, & RE Hueter (2006) Prey capture behavior and kinematics of the Atlantic cownose ray, Rhinoptera bonasus. Zoology. 109(3): 171-181
2005
Dean, MN, CD Wilga & AP Summers (2005) Eating without hands or tongue - specialization, elaboration and the evolution of prey processing mechanisms in cartilaginous fishes. Biology Letters. 1(3): 357-361
Lowry, D, AP Wintzer, MP Matott, LB Whitenack, DR Huber, MN Dean & PJ Motta. (2005) Aerial and aquatic feeding in the silver arawana, Osteoglossum bicirrhosum. Environmental Biology of Fishes. 73: 453-462
Dean, MN, T Nietfeld & D Conklin (2005) Notes on the husbandry of the lesser electric ray, Narcine brasiliensis. North American Journal of Aquaculture. 67: 58-65
2004
Koob, TJ, MN Dean & MM Koob-Emunds (2004) Extracellular matrix composition in the rostral gel of Squalus acanthias: A non-cartilaginous skeletal element. The Bulletin, Mount Desert Island Biological Laboratory. 43: 102-105
Dean, MN & PJ Motta (2004) Anatomy and functional morphology of the feeding apparatus of the lesser electric ray, Narcine brasiliensis (Elasmobranchii: Batoidea). Journal of Morphology. 262(1): 462-48
Dean, MN & PJ Motta (2004) Feeding behavior and kinematics of the lesser electric ray, Narcine brasiliensis (Elasmobranchii: Batoidea). Zoology. 107(3): 171-189
2003
Dean, MN (2003) Suction feeding in the pipid frog, Hymenochirus boettgeri: Kinematic and behavioral considerations. Copeia. 2003(4): 879-886


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