Post Doctoral Research:

RSIC, IIT Madras, RRL Trivandrum (CSIR Pool Officer),
Indian Institute of Science, Bangalore (CSIR Pool Officer),
University of Erlangen, West Germany,
Rutgers University, New Jersey, USA

Research Area:

Bioinorganic Chemistry, Porphyrin Chemistry, Polymer supported complexes for enzyme modellig and catalysis, Synthesis, structure and reactivity studies of coordination compounds, Ceramic materials, Development of polymeric materials with ionophoric properties, polymeric metal complexes with anisotropic properties, open framework and nanomaterials.

Collaborating Institutions:

Rutgers University, New Jersey, USA; Osaka City University, Japan; IIT, Madras; RRL(CSIR Trivandrum); VSSC, Trivandrum; Madurai Kamaraj University; Pondicherry University; NCL,Pune.

Recent Publications:

1. Succinate-bridged dimeric Cu(II) system containing sandwiched non-coordinating succinate dianion : Crystal      structure, spectroscopic and thermal studies of [(phen)2Cu(µ-L)Cu(phen)2]L.12.5H2O (H2L = succinic acid); phen      = 1,10-phenanthroline): M. Padmanabhan, S. Meenakumari, X. Huang, J. Li, Inorganica Chimica Acta,138,0000      (2005))

2. Studies on Co(II), Ni(II) and Cu(II) derivatives of some new meso-aryl substituted octabromoporphyrins.: M.      Padmanabhan, R.G.George Polyhedron 24, 0000 (2005)

3. Adsorption Isotherm and Pore Characterstics of Nano Alumina Derived from Sol-gel Boehmite:, P.Padmaja, P.K.     Pillai, K.G.K Warrier, M. Padmanabhan Journal of Porous Materials 11, 147 (2004)

4. Synthesis and spectral studies on some new meso-aryl substituted octabromoporphyrins and their Zn(II)      derivatives :   R. G. George, M. Padmanabhan , Polyhedron, 22, 3145 (2003)

5. Photosensitizing properties of ionic Porphyrins Immobilized on Functionalized Solid polystyrene Support, J.      Inbaraj,     M.V. Vinodu, R. Murugesan, M. Padmanabhan Journal of Applied Polymer Science 89, 3925      (2003)

6.  Studies on iron(III) and manganese(III) derivatives of new meso-aryl substituted and brominated porphyrins. M.      Padmanabhan, R .G. George Transition Metal Chemistry 28, 858 (2003)