Research Associates: Rima Wazen

Noncollagenous matrix proteins (NCPs) participate in important cellular and matrix events but their specific regulatory roles in vivo are still ambiguous. Understanding the purpose of NCP’s is essential to defying how calcified tissues form, and how pathological states alter them. Our laboratory has developed an experimental rat hemimandible model to study and manipulate in vivo various calcified tissues. This model allows the local administration of various biological agents, the targeting and manipulation of the tooth organ and surrounding tissues, without disturbing whole-animal physiology. My projects consist in evaluating the role of functional motifs in NCPs, by infusing tagged NCPs and following them through time. Lentiviral vectors administered through this bony window also allow the creation of local transgenic conditions. The results are analyzed using a combination of state-of-the art cell and molecular methodologies.

 

• Education

(2001-2006) Doctor of Philosophy in Biomedical Sciences, Université de Montréal, Canada

(1998-2001) Bachelor in Biochemistry, Université de Montréal, Canada

 

Research Associates - Ji-Hyun Yi

I work in the areas of surface modification of implant materials by means of chemical routes and characterization of these nanotextured surfaces using scanning probe microscopy (SPM) such as AFM, STM, Scanning Kelvin Probe Microscopy (SKPM) and Visco-Elasticity AFM as well as field emission scanning electron microscopy (FE-SEM).

My research also focuses on SPM study of proteins including amelogenins immobilized on various substrates. My interests have extended to characterize 2-D organic molecular networks at liquid-solid interface using in situ STM techniques with the aim of improving bioactivity of implant surfaces.

 

 

• Education

(2004-2006) Post-doctoral fellow with Dr. A. Nanci in nanotexturing and surface characterization, Université de Montréal, Canada

(1995-1998) Doctor of Philosophy in Surface Treatments & Ceramic Materials, Université de Limoges, France

(1988-1991) Master of Science in Ceramic Engineering , Yonsei University, Korea

(1984-1988) Bachelor of Science in Ceramic Engineering, Yonsei University, Korea

• Collaborative papers with Antonio Nanci

Consult the papers written in collaboration with Antonio Nanci here

• Independent publications

M.A. El Khakani, J.H. Yi, and B. Aissa (2006) Localized Growth of Suspended SWCNTs by Means of an All-Laser Process and Their Direct Integration Into Nanoelectronic Devices, IEEE Transactions on Nanotechnology, 5: 237-242.

M.A. El Khakani, J.H. Yi, B. Aissa (2006) Lateral growth of single wall carbon nanotubes on various substrates by means of an all-laser synthesis approach, Diamond & Related Materials 15: 1064 - 1069.

J.H. Yi, M.A. El Khakani (2005) Highly oriented planar arrays of SWCNTs grown onto HOPG substrates by means of an all-laser process, Chemical Physics Letters 413: 182-187.

P Castrucci, M. Scarselli, M. De Crescenzi, M.A. El Khakani, F. Rosei, N. Braidy and , J. H. Yi. 2004. Effect of coiling on the electronic properties along single-wall carbon nanotubes, Applied Physics Letters, 85, 3857.

M.A. El Khakani and J. H. Yi. 2004. The nanostructure and electrical properties of SWNT bundle networks grown by an all-laser growth process for nanoelectronic device applications, Nanotechnology, 15, S534-539.

S. Yang, J. H. Yi, et al. 2003. Fragmentation of Fe 2O 3 nanoparticles driven by a phase transition in a flame and their magnetic properties, Applied Physics Letters, 83, 4842-4844.

H. Shin, J. H. Yi, J.G. Baek and M. Choi. 2002. Preparation and characterization of SiO 2-B 2O 3-P 2O 5 particles and films generated by flame hydrolysis deposition for planar lightwave circuits, Journal of Materials Research, 17, 315-322.J.P. Mercurio, J. H. Yi, M. Manier and P. Thomas. 2000. Fabrication of SrRuO 3 Powders and Thin Films by Metalorganic Decomposition, Journal of Alloys and compounds, 308, 77-82.

J. H. Yi, R. Seveno and H.W. Gundel. 1999. Sol-Gel Derived PZT/RuO 2 multilayer films on stainless steel substrates, Integrated Ferroelectrics, 23, 199-214.

J. H. Yi, P. Thomas, M. Manier, J.P. Mercurio. 1999. Full chemical fabrication of SrBi 2(Nb,Ta) 2O 9 ferroelectric thin film capacitors, Integrated Ferroelectrics, 23, 77-88.

J. H. Yi, P. Thomas, M. Manier, J.P. Mercurio, I. Jauberteau, R. Guinebretiere. SrBi 2Nb 2O 9 ferroelectric powders and thin films prepared by sol-gel. 1998. Journal of Sol Gel Science and Technology, 13, 885-888.