Short CV of Dr. H. G. Enjieu Kadji

Personal data

First Name: Hervé Germain           

Middle Name: Enjieu                

Last Name: Kadji

Date of birth: November, 11 1975;  Bafang, Cameroon

E-mail: henjieu@gmail.com

Professional positions

http://www.idac.tohoku.ac.jp/en/organization/functional_brain_img/index.htm

 Supervisor: Prof. Jorge Riera

 

Education

2002-2006                    PhD in Theoretical Physics; Co-supervised by:

1- Prof. Paul Woafo, www.lamsebp.org

2- Prof. J. B. Chabi Orou, www.imsp-uac.org

2000-2002                     First year doctorate degree « D.E.A » of Physics (Option: Mathematical Physics); Co-supervised by:

1- Prof. Paul Woafo, Labmsebp, University of Yaounde 1, Cameroon

2- Prof. J. B. Chabi Orou, Institut de Mathematiques et de Sciences Physiques, (IMSP), University of Abomey-Calavi, Benin.    

1999-2000                     First year doctorate degree « D.E.A » of Physics (Option: Mechanics),

                                 Department of Physics, University of Yaounde 1, Cameroon.

1997-1999                       Master’s degree diploma of Physics (with thesis); Co-supervised by:

 1- Dr. F. B. Pelap, Department of Physics, University of Dschang, Cameroon

 2- Prof. T. C. Kofane, Lab. of Mechanics, University of Yaounde 1, Cameroon.  

1993-1997            Bachelor's  degree diploma of Physics, Department of Physics, University of Dschanbg, Cameroon.                                                               

Research field and topics of interest

          Research Fields

• Nonlinear Sciences

         Topics of interest

• Modeling of complex systems in Physics, Engineering and Biology
• Nonlinear dynamics, chaos and synchronization of complex systems
• Active and passive control of complex  systems
• Modeling of  pyramidal neurons in the cerebral cortex 
• Mechanisms underlying the propagation of the neuronal activity

 

 

 

Publications in Peer-review Journals

1. M. Crivaro, H. Enjieu Kadji, R. Hatanaka, S. Nakauchi, J. Bosch, J. Judin, J. Riera, R. Kawashima, Multiphoton fluorescent images with a spatially varying background signal: a ML deconvolution method, Journal of Microscopy, doi:10.1111/j.1365-2818.2010.03473.x 
   
2. R. Yamapi, H.G. Enjieu Kadji, G. Filatrella, Stability of the synchronization manifold in nearest neighbors non identical van der Pol-like oscillator, Nonlinear Dynamics 61, Issue 1, 275
   

         
           2009

1. J. Riera, T. Ogawa, R. Hatanaka, T. Goto, A. Sumiyoshi, H. E. Kadji, S. Nakauchi, R. Kawashima, Concurrent observations of astrocytic Ca²⁺ activity and multisite extracellular potentials from an intact  cerebral cortex, Journal of Biophotonics 3, Issue 3, 147
   

            2008

1. H. G. Enjieu  Kadji,  J. B. Chabi  Orou, P. Woafo, Synchronization dynamics in a ring of four mutually coupled biological systems, Communications in Nonlinear Sciences and Numerical 13, 1361
2. H. G. Enjieu Kadji, J. B. Chabi Orou, P. Woafo, Regular and chaotic behaviors of plasma oscillations modelled by a modified Duffing equation, Physica Scripta 77, 025503
   
3. J. Riera, T. Goto, H. Enjieu-Kadji, T. Ogawa, R. Morito, R. Kawashima, The micro-architecture of the cerebral cortex: Its impact on functional neuroimaging in humans, Clinical Neurophysiology 119
   
4. H. G. Enjieu Kadji, B. R. Nana Nbendjo, J. B. Chabi Orou, P.K. Talla, Nonlinear dynamics of plasma oscillations modeled by an anharmonic oscillator, Physics of Plasmas 15, 032308
   

             2007

1. H. G. Enjieu  Kadji,  J. B. Chabi  Orou, R. Yamapi, P. Woafo, Nonlinear dynamics and strange attractors in the biological system, Chaos, Solitons and Fractals 32, 862
   
2. R. Yamapi,  B. R. Nana Nbendjo, H. G. Enjieu  Kadji,  Dynamics and active control of motion of a multi-limit cycles Van der Pol oscillators,  International Journal of Bifurcation and Chaos 17, Issue  4, 343
   
3. H. G. Enjieu Kadji, J. B. Chabi Orou, P. Woafo, Spatiotemporal dynamics in a ring of N mutually coupled self-sustained systems, Chaos 17,  033109 
4. H.G. Enjieu Kadji, R. Yamapi, J. B. Chabi Orou, Synchronization of two coupled self-excited systems with multi-limit cycles,  Chaos 17, 033113
   

             2006

1. H. G. Enjieu Kadji and R. Yamapi, General synchronization dynamics of coupled Van der Pol-Duffing oscillators, Physica A 370, 316 

             2004

1. P. Woafo and H.G. Enjieu Kadji, Synchronized states in a ring mutually coupled self-sustained electrical oscillators, Physical Review E 69, 046206 (2004).

 

 

Posters presentations

1.       H. G. Enjieu Kadji, S. Nakauchi, M. Crivaro, K. Wang, T. Goto, Y. Sahara, R.  Kawashima, J. Riera. A methodology to characterize the layer 5 non-adapting regular spiking neocortical pyramidal cells. Society for Neuroscience, Chicago, USA (2009).

 2.       H. G. Enjieu Kadji, S. Nakauchi, M. Crivaro, K. Wang, T. Goto, Y. Sahara, R.  Kawashima, J. Riera. A methodology to characterize the layer 5 non-adapting regular spiking PCs. Neuroscience, Nagoya, Japan (2009).

3.       H. G. Enjieu Kadji, T. Goto, J.C. Jiménez, Y. Sahara, R.  Kawashima, J. Riera. Dendritic integration by the layer V tufted pyramidal cell: A theoretical approach. Neuroscience, Tokyo, Japan (2008).

4.       T. Goto, T. Ogawa, H.G. Enjieu Kadji, R. Kawashima, J.J. Riera. Microscopic conductivity profile in the cerebral cortex of Wistar rats, Neuroscience, Tokyo, Japan (2008).

 5.       J. J Riera, H. G. Enjieu-Kadji, T. Ogawa, R. Morito,T. Goto, R. Kawashima.  Experimental evidence and modeling for the astrocytic networks underlying sustained functional hyperemia via metabolic waves, International conference on Biomagnetism, Sapporo, Japan, (2008).

 6.       J.J. Riera, H. G. Enjieu Kadji, T. Ogawa, R. Morito, T. Goto, R.  Kawashima.  The astrocytic networks participate in the functional hyperemia via metabolic waves induced and sustained by extracellular glutamate. The 3^rd ISN Special Neurochemistry   Conference. 8th International Meeting on Brain Energy Metabolism­, Beijing, China (2008).

 7.       R. Morito, K. Miyazaki, H.G. Enjieu Kadji, T.  Uchida, R. Kawashima, J.J. Riera.  Harmful increase of astrocytic Ca²⁺ triggers reactive oxygen species production, Gordon Research Conferences on Brain Enargy Metabolism & Blood Flow, Andover, USA (2008).

 8.       R. Morito, K. Miyazaki, H.G. Enjieu Kadji, T.  Uchida, R. Kawashima, J.J. Riera. Harmful increase of astrocytic Ca²⁺ triggers reactive oxygen species production, The 3^rd International Society for Neurochemistry Special Neurochemistry Conference Beijing, China (2008).

 9.       H. G. Enjieu Kadji, J.  Riera, T. Goto, K. Miyazaki, R. Morito, Y. Sahara, J.C. Jiménez, R.  Kawashima, Calcium transient under spikes in layer V tick tufted Pyramidal cells. The bio-science symposium of the Tohoku University, Sendai, Japan (2008).

 10.    H.G. Enjieu Kadji, R. Yamapi, J. B. Chabi Orou, P. Woafo. Dynamique spatiotemporelle des systèmes Biologiques et électriques auto entretenus. Ecole Internationale sur la géométrie des points proches, la  géométrie  symplectique et les  Applications, Brazaville, Congo (2006).

 11.    H.G Enjieu Kadji, A self-sustained electromechanical device. Colloquium: Science, Mathematics and Society, Porto-Novo, Benin (2004).

 12.    H.G. Enjieu Kadji, R. Yamapi, J. B. Chabi Orou, P. Woafo. Synchronized states in a ring of mutually coupled electrical oscillators. COPROMAPH 3, Cotonou, Benin (2003).

Dissertations and Theses

• H. G. ENJIEU KADJI,  Synchronization dynamics of nonlinear self-sustained oscillations with applications in physics, engineering and   biology , PhD Dissertation of Physics, Institut de Mathématiques et de Sciences Physique, Porto-Novo, The University of Abomey-Calavi, June 2006, Benin.

• H. G. ENJIEU KADJI, Resonant states in a self-sustained electromechanical system, Dissertation of Preliminary degree Diploma for a Doctorate program (D.E.A) of Physics, Institut de Mathématiques et de Sciences Physiques, Porto-Novo, The University of Abomey-Calavi, January 2002, Benin.

• H. G. ENJIEU KADJI, plasma waves in a nonlinear mono-inductance electrical line, Dissertation of Master’s Degree Diploma of Physics, Department of Physics, Faculty of Sciences, University of Dschang, March 1999, Cameroon.

 

Oral presentations

• H.G. Enjieu Kadji , Two-photon Laser microscopy: a fluorescence imaging technique, Institut of Development, Aging and Cancer (IDAC), December 09^th 2009, Sendai, Japan.

• H.G. Enjieu Kadji, Synchronization dynamics of some self-sustained systems, African Institute of Mathematical Sciences (AIMS), May 04th 2006, Cape-Town, South-Africa.

• H.G. Enjieu Kadji, Synchronization dynamics of some self-sustained systems Department of Applied Mathematics,   University of Cape-Town, May 10^th 2006, Cape-Town, South-Africa.

• H.G. Enjieu Kadji, Synchronization dynamics of some self-sustained systems, Department of Mathematical Sciences, University of Stellenbosch, May 17th 2006, Cape-Town, South-Africa.

 

 

 

Visited research centers

 

  

Services to the Profession

·         New Frontiers in Social Cognitive Neuroscience, Sendai, Japan (2009)

·         Colloquium: Science, Mathematics and Society, Porto-Novo, Benin (2004)

·         Third International Workshop on Contemporary Problems in Mathematical Physics (COPROMAPH 3), Cotonou, Benin (2003)

Professional activities

·         Reviewer for the Journal Nonlinearity (Institute Of Physics)

·         Reviewer for the Journal Chaos (American Institute of Physics)

 

Professional memberships

·         Member of the New York Academy of Sciences

·         Member of the Cameroonian Physical Society

·         Member of the Japanese Neuroscience Society

·         Member of the American Society for Neuroscience

 

Computer skills

Programming: Pascal, Matlab

 

Language skills

·         French:  Read, write and speak (fluently)

·         English:  Read, write and speak (good)

·           Japanese: Basic knowledge

 

 References

1. Prof. Jorge Javier Riera

        Department of Functional Brain Imaging

        Institute of Development, Aging and Cancer (IDAC), Tohoku University

        Seiryo-machi 4-1, Aoba-ku, 980-8575, Sendai, Japan

        Tel : +81-22-717-8468 (Lab.) ; +81-22-717-8466 (Office)

        Email : riera@idac.tohoku.ac.jp

        Website: http://www.fbi.idac.tohoku.ac.jp/riera/staff.html   

 

 

1. Prof. Jean Bio Chabi Orou

       Department of Physics, University of Abomey Calavi

       Institut de Mathématiques et de Sciences Physiques (IMSP)

       01 BP 613, Porto-Novo, Benin

       Email: jchabi@yahoo.fr;  Website: www.imsp-uac.org

 

          3. Prof. Paul Woafo

       Lab. of Modelling and Simulation in Engineering and Biological Physics

       University of Yaounde 1, P.O. Box 812, Yaounde, Cameroon

       Email: pwoafo@uycdc.uninet.cm ; pwoafo1@yahoo.fr

       Website: www.lamsebp.org

 

         4. Prof. Netiva Caftori

       Department of Computer Science and Women’s Program

       Northeastern Illinois University (NEIU), Chicago

       Email: n-caftori@neiu.edu ; netivac@gmail.com

       Website: Www.Netiva.net

           5. Prof. Igor Barashenkov

       Department of Mathematics and Applied Mathematics

       University of Cape-Town,  South Africa

       Email: igor@maths.uct.ac.za ;   igor.barashenkov@gmail.com

       Website: http://www.mth.uct.ac.za/~webpages/barashenkov/