M.Sc. Arbeit (SRKMV-Arts & Science College, Bharathiar University, Coimbatore. India):
Jigger Dyeing on Cotton Fabrics and Beam Dyeing on Polyester Fabrics

M.Phil. Arbeit (Department of Chemistry, Bharathiar University, Coimbatore. India):
Studies on Alpha- and Beta- Alanine Complexes of Metal with Hydrazine

Doktorarbeit (Central Salt and Marine Chemicals Research Institute, Bhavnagar University, Bhavnagar. India):
Activation and Catalytic Reduction of N-N Bonds of Hydrazine and Azide by Coordinately Unsaturated Transition-Metal Complexes in Aqueous Solution

aktuelles Projekt:
Synthesis and Characterization of Mixed Valence Homo- and Hetero-Metallic Wheels

Wissenschaftliche Veröffentlichungen:

1. Chronopotentiometric studies of bipolar membrane in sodium chloride solution.
   P. M. Gour, R. Prakash, R. Rangarajan, G. Ramachandraiah, V. K. Indusekhar, S. K. Adhikary, G. S. Trivedi, B. J. Shah, B. S. Makwana, Indian J. Chem 1996, 35A, 796-799.

2. Voltammetry of [LRu(III)(OH₂)]- and [LRu(III)(N₂H₅)] complexes at mercury electrode in aqueous solution.
   G. Ramachandraiah, B. Tyagi, R. Prakash, Bull. Electrochem. 1997, 13, 294-298.

3. Electrometric studies on the reduction of Ru(III)-EDTA and its hydrazinium complexes.
   R. Prakash, B. Tyagi, G. Ramachandraiah, Indian J. Chem. 1997, 36A, 201-205.

4. Interaction of phenylhydrazine with Ru(III)-EDTA complexes: Reduction of phenylhydrazine to ammonia and aniline in aqueous acidic solution.
   R. Prakash, B. Tyagi, D. Chatterjee, G. Ramachandraiah, Polyhedron 1997, 17, 1235-1240.

5. Electrocatalytic activation and reduction of N-N bonds in aqueous solution.
   R. Prakash, G. Ramachandraiah, Recent Advances in Basic and Applied Aspects of Industrial Catalysis; T. S. R. Rao, M. G. Dhar. Eds.; Studies Surf. Sci. Catal.: Elsevier,1998, 36Avol. 113, p 519-527.

6. Solution-Membrane equilibrium at metal deposited cation exchange membrane: Chronopotentiometric characterization of metal modified membrane.
   V. K. Shahi, R. Prakash, G. Ramachandraiah, R. Rangarajan, J. Collid. Interf. Sci. 1998, 216, 179-184.

7. Investigation and characterization of hydrazine and phenylhydazine complexes of Ruthenium(III) 1,2-diaminopropanetetraacetate: Facile reduction of hydrazines in relevance to nitrogenases.
   R. Prakash, G. Ramachandraiah, J. Mol. Catal A: chemical. 2000, 151193-204.

8. Ruthenium(III)-aminopolycarboxylato complexes active for the reduction of hydrazine and phenylhydrzine in aqueous medium.
   R. Prakash, G. Ramachandraiah, J. Chem. Soc. Dalton Trans. 2000 , 85-92.

9. Highly-soluble sulfur-rich nickel [Ni(L)(^siS₃)]₃ complexes containing new ligand ^siS₃^2- = bis(2-mercapto-3-trimethylsilylphenyl)sulfide^2-.
   D. Sellmann, R. Prakash, F. Geipel, F. W. Heinemann, Eur. J. Inorg. Chem. 2002, 2138-2146.

10. Iron carbonyl, nitrosyl and nitro complexes of a tetrapodal pentadentate amine ligand: Synthesis electronic structure and nitrite-reductase like reactivity.
    J. P. López, F. W. Heinemann, R. Prakash, B. A. Hess, O. Horner, J.-L. Oddou, J.-M. Latour, A. Grohmann, Chem. Eur. J. 2002, 8 5709-5722.

11. Activation of H₂ and CO by sulfur rich nickel model complexes for [NiFe] hydrogenases and CO dehydrogenases.
    D. Sellmann, R. Prakash, F. W. Heinemann, Eur. J. Inorg. Chem. 2004, 1847-1858. .

12. Heterolytic cleavage of molecular hydrogen at a sulfur-bridged dinuclear ruthenium center.
    D. Sellmann, R. Prakash, F. W. Heinemann, M. Moll, M. Klimowicz, Angew. Chem. 2004, 116, 1913-1916; Angew. Chem. Int. Ed. Engl. 2004, 43, 1877-1880.
13. Protonation and H/D Exchange Reactions Promoted by a Sulfur-Rich Osmium Hydride Complex: Identification of a Labile Dihydrogen Complex.
    D. Sellmann, R. Prakash, F. W. Heinemann, Dalton Trans. 2004, 3991-3996.

14. Reactivity of sulfur-bridged dinuclear ruthenium complex with nitrogenous relevant molecules: Identification of a labile dinitrogen complex.
    D. Sellmann, R. Prakash, F. W. Heinemann, Eur. J. Inorg. Chem. 2004, 4291-4299.

15. Visible Light Induced Reversible Extrusion of Nitric Oxide from a Ruthenium(II) Nitrosyl Complex: A Facile Delivery of Nitric Oxide
    R. Prakash, A. U. Czaja, F. W. Heinemann, D. Sellmann, J. Am. Chem. Soc. 2005, 127, 13758-13759.

16. Synthesis and Characterization of Metal-Centered, Six-Membered, Mixed- Valent, Heterometallic Wheels of Iron, Manganese, and Indium
    R. W. Saalfrank, R. Prakash, H. Maid, F. Hampel, F. W. Heinemann, A. X. Trautwein, L. H. Böttger Chem. Eur. J., 2006, 12 , 2428 – 2433.
17. A non-heme dinuclear iron(II) complex containing a single, unsupported hydroxo bridge
    J. P. López, H. Kämpf, M. Grunert, Ph. Gütlich, F. W. Heinemann, R. Prakash, A. Grohmann Chem. Commun., 2006, 1718-1720.
18. Hydrazine nitrosation of metal bound nitric oxide: Structural evidence for the formation of an ammine complex.
    R. Prakash, A. W. Götz, F. W. Heinemann, A. Görling, D. Sellmann, Inorg. Chem., 2006, 45, 4661-4667.
19. Synthese und Redoxeigenschaften gemischtvalenter achtkerniger Eisendefekthexacubane und eines (CaCl)-überdachten raumzentrierten Eisen(III)-Sechsflächners
    R. Prakash, R. W. Saalfrank, H. Maid, A. Scheurer, F. W. Heinemann, A. X. Trautwein, L. H. Böttger, Angew. Chem. 2006, 118, 6017-6022; Angew. Chem. Int. Ed. 2006, 45 , 5885-5889.
20. Synthesis, Redox, and Magnetic Properties of a Neutral, Mixed-Valent Heptanuclear Manganese Wheel with S = 27/2 High-Spin Ground State
    R. W. Saalfrank, A. Scheurer, R. Prakash, F. W. Heinemann, T. Nakajima, F. Hampel, R. Leppin, B. Pilawa, H. Rupp, P. Müller, Inorg. Chem., 2007, 46, 1586-1592.

21. Alternative Synthesis, Density Functional Calculations and Proton Reactivity Study of a Trinuclear [NiFe] Hydrogenase Model Compound
    F. Lauderbach, R. Prakash, Andreas W. Götz, M. Munoz, F. W. Heinemann, U. Nickel, B. A. Hess, D. Sellmann, Eur. J. Inorg. Chem., 2007, 3385–3393.

Patente:

1. An improved process for the preparation of ammonia.
   R. Prakash, V. K. Shahi, P. Ray, G. Ramachandraiah, R. Rangarajan, Ind. Pat.042/DEL/2001.