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STEFAN HABELITZ, PhD

Assistant Adjunct Professor 
Division of Biomaterials and Bioengineering
UCSF Department of Preventive and Restorative Dental Sciences

EDUCATION:

Biology and Chemistry, University of Erlangen-Nhrnberg, Germany, 1988
MS, Materials Engineering, University of Erlangen-Nhrnberg, Germany, 1994
PhD, Chemistry, University of Jena, Germany, 1998
Post Doctoral Studies, Biomaterials and Bioengineering, Univ. of California, San Francisco, 1999-2002

EXPERIENCE:

1992-1994 Research Student, CSIC, Inst. Ceramica y Vidrio, Madrid, Spain
1995-1998 Scientific assistant, University of Jena, Otto-Schott-Institute, Germany
1999-2002 Post-doctoral fellow, University of California, San Francisco
2002-present Asst. Adjunt Professor, Biomaterials and Bioengineering, UCSF

PUBLICATIONS:

(see Pub Med / Web of Science )

L. Pascual, S. Habelitz, A. Duran, "Nitridation of mixed alkali phosphate glasses", Phys. Chem. Glasses, 37 (4) 143-148, 1996.

S. Habelitz, G. Carl, C. Rüssel, K. Marchetti, E. Roeder, D. Eifler, R. Hergt, "Oriented mica glass-ceramic by extrusion and subsequent heat treatment", Glastech. Ber. Glass Sci.Technol. 70, 86-92 (1997).

S. Habelitz, G. Carl, C. Rüssel et al., "Mechanical properties of oriented mica glass ceramics", J. Non-Cryst. Solids 220, 291-298 (1997).

T. Höche, S. Habelitz, I. I. Khodos, "Origin of unusual fluorophlogopite morphology in mica glass-ceramics of the system SiO2-Al2O3-MgO-Na2O-K2O-F", J. Crystal Growth 192 [1-2] 185-192 (1998).

T. Höche, S. Habelitz, I. Avramov, "Crystal morphology engineering in SiO2-Al2O3-MgO-Na2O-K2O-F2 mica glass-ceramics“, Acta Mater. 47 [3], 735-744 (1999).

S. Habelitz, L. Pascual, A. Duran, "Nitrogen containing apatite", J. Eur. Cer. Soc. 19 [15] 2685 – 2694 (1999).

C. Moisescu, C. Jana,  S. Habelitz, G. Carl, C. Rüssel, "Oriented fluoroapatite glass-ceramics", J. Non-Cryst. Sol. 248, 176-182 (1999).

S. Habelitz, T. Höche, R. Hergt, G. Carl, C. Rüssel, "Microstructural design through epitaxial growth in extruded mica glass-ceramics", Acta Mater. 47 [9] 2831-2840 (1999). 

S. Habelitz, G. Carl, C. Rüssel, "Processing and microstructure of oriented mica glass-ceramics by means of extrusion and mechanical properties"  J. Mater. Sci. Engin. A (to be published).

A. Hoell, R. Kranold, S. Habelitz, G. Carl, C. Rüssel, S. Cunis, "USAXS Investigation of an extruded mica glass﷓ceramic", HASYLAB annual report I, 707-708, (1997).

S. Habelitz, L. Pascual, A. Duran, "Phase transformation of tricalcium phosphate into apatite by ammonia treatment", Biomaterials (submitted).

Habelitz S, Marshall SJ, Marshall GW, Balooch M. "Mechanical Properties of Human Dental Enamel on the nanometer scale". Arch Oral Biol 46 173-183, 2001. [Abstract]

Marshall GW, Yucel N, Balooch M, Kinney JH, Habelitz S, Marshall SJ. "Sodium hypocholorite alterations of dentin and dentin collagen".  Surface Science 491:444-455, 2001.

Marshall GW, Habelitz S, Gallagher R, Balooch M, Balooch G, Marshall SJ. "Nanomechanical  properties of hydrated carious human dentin". J Dent Res 80: 1768-1771,  2001. [Abstract]

Habelitz S, Marshall SJ, Marshall GW, Balooch M. "The Functional Width of the DEJ Determined by AFM-based Nanoscratching". J Struct Biol 135:244-301, 2001. [Abstract]

Habelitz S, Balooch M, Marshall GW, Breunig TM, Marshall SJ. "AFM-based Nanomechanical Properties and Storage of Dentin and Enamel". Mater Res Soc Symp Proc 676: Y.3.27.1-Y.3.27.5, 2001.

Habelitz S, Marshall GW , Balloch M, Marshall SJ. "Nanoindentaion and storage of teeth". J Biomechanics  35:995-998, 2002. [Abstract] [Full Text (98k)]

Habelitz S, Balooch M, Marshall SJ, Balooch G, Marshall GW. "In Situ Atomic Force Microscopy (AFM) Of Partially Demineralized Human Dentin Collagen Fibrils". J Struct Biol 138 227-236, 2002. [Abstract] [Full Text (385k)]

Zheng L, Hilton JF, Habelitz S, Marshall SJ, Marshall GW. "Dentin Caries Activity Status and Dentin Hardness and Elasticity". Eur J Oral Sci 111 243-52, 2003. [Abstract] [Full Text (383k)]

Kinney JH, Habelitz S, Balooch M, Marshall GW, Marshall SJ. "Anomalous behavir in the hardness and Young's modulus of dentin in dentiogenesis imperfecta type-II (DI-II)". J Dent Res (in revision).

Habelitz S, Marshall SJ, DenBesten PK, Balooch M, Marshall GW, Li W. "Physical-chemical conditions for the synthesis of an enamel-like material using recombinant amelogenin". J Dent Res (in revision).

Marshall SJ, Balooch M, Habelitz S,Galooch G, Marshall GW. "Dentin-Enamel Junction (DEJ) - Biomimetic Model for Material Tissue Interfaces". Eur J Cer (submitted).

Oliveira SSA, Marshall SJ, Habelitz S, Gansky SA, Wilson RS, Marshall GW. "The effect of an acidic monomer on dentin demineralization". Eur J Oral Sci (submitted).

PROCEEDINGS:

S. Habelitz, G. Carl, C. Rüssel, "Oriented crystal growth in extruded mica based glasses", Proc. XVIII Int. Congress on Glass, San Francisco, Juli 1998.

Y. Yue, S. Habelitz, G. Carl, C. Rüssel, "Flow behaviour of calcium metaphosphate glass melts during extrusion", Proc. XVIII Int. Congress on Glass (on CD-ROM), San Francisco, Juli 1998.

M. Braun, W. Heerdegen, S. Habelitz, C. Rüssel, C. J@ger, T. Höche, “NMR investigations of splitting of phlogopite crystals formed in machinable glass-ceramics", Proc. of the 6th International Otto Schott Colloquium, Jena (1998) 305-308.

A. Hoell, U. Lembke, R. Kranold, S. Habelitz, G. Carl, C. Rüssel, "The microstructure of extruded mica based glasses studied by small-angle X-ray scattering", Proc. of the 6th International Otto Schott Colloquium, Jena (1998).

V. Arbuzov, G. Carl, S. Habelitz, C. Rüssel, "Chronospectroscopical study of spatial, spectral and kinetic non-equivalence of radiation color centers in glasses of the phlogopite system“, Proc. of the 6th International Otto Schott Colloquium, Jena (1998).

C. Moisescu, C. Jana, S. Habelitz, G. Carl, C. Rüssel, "Oriented apatite glass-ceramics by extrusion"Proc. of the 6th International Otto Schott Colloquium, Jena (1998) 150-155.

C. Moisescu, C. Jana, C. Rüssel, S. Habelitz, G. Carl, "Glass-ceramics with oriented needle-like apatite crystals produced by extrusion", SXI-1: P22, Proc. 9th Inter. Conf. Modern Materials CIMTEC'98, Florence, Italy, June 1998.

G. Carl, B. Durschang, S. Habelitz, C. Rüssel, K. Marchetti, D. Eifler, E. Roeder, "Glass-ceramics with oriented crystals produced by extrusion", A-3: L08 Proc. 9th Inter. Conf. Modern Materials CIMTEC'98, Florence, Italy, June 1998.

T. Höche, S. Habelitz, C. Moisescu, and I. Avramov, "Mica and Apatite Crystals in Extruded Glass-Ceramics: TEM Characterisation of Morphology and Crystal Growth," Optik 110 (Suppl. 8) (1999), 65.

S. Habelitz, S. Marshall, G. W. Marshall, M. Balooch, "Friction coefficients of dentin and enamel measured by nano-scratching", IADR, Washington, April 2000.