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Title
DEDICATION
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENT
CONTENTS
1 Porphyrins andMetalloporphyrins: A General Outlook
1.1 Introduction
1.2 The Ubiquitous Porphyrin System
1.3 Porphyrins in Life Processes
1.3.1 Enzymes
1.3.2 Hemoglobin and Myoglobin
1.3.3 The Cytochromes
1.3.4 Chlorophyll
1.4 Metalloporphyrins as Catalysts
1.4.1 Catalysis of oxidation reactions by metalloporphyrins
1.4.2 Catalysis of electrochemical processes by metalloporphyrins.
1.4.3 Catalysis of isomerisation and polymerisation reactions by metalloporphyrins
1.4.4 Catalysis of photochemical reactions by metalloporphyrins
1.5 References
2 Polymer Supported Metalloporphyrins
2.1 Introduction
2.2 Metalloporphyrins Covalently Bonded to Polymer Supports
2.3 Metalloporphyrins Bonded to Higher Exchange Resins
2.4 Metalloporphyrins Bonded to Inorganic Supports
2.5 Metalloporphyrins Intercalated into Layered Matrices
2.6 Immobilisation of Metalloporphyrins in Electropolymerised Films-Modified Electrodes
2.6.1 Polypyrrole films doped with anionic porphyrins
2.6.2 Electropolymerisation of pyrrole-substituted metalloporphyrins,
2.6.3 Electropolymerisation of amino-, hydroxy-, methoxy- and vinyl- substituted porphyrins
2.6.4 Immobilisation of charged metalloporphyrins into pre-electro polymerised polypyrrole films bearing functional groups
2.6.5 Catalytic applications of electropolymerised metalloporphyrins films
2.6.6 Electropolymerised metalloporphyrins- analytical and biological applications
2.7 Outline of the Present Work
2.8 References
3 Electronic Modulation of Metalloporphyrins Grafted / Dispersed in Polymer Matrices
3.1 Introduction
3.2 Experimental
3.2.1 Preparative details
3.2.1.1 Porphyrins and metalloporphyrins
3.2.1.2 Functionalised polymer supports
3.2.1.3 Polymer immobilised porphyrin systems
3.2.2 Physical measurements
3.3 Results and Discussion
3.3.1 Characterisation of porphyrins and polymer supports
3.3.2 Polymer immobilised / dispersed porphyrins systems
3.3.3 Electronic spectra
3.3.4 Origin of electronic modulation
3.3.5 Cyclic voltammograms
3.3.6 EPR spectra
3.4 References
4 Catalase-like Activities of Selected PS-MTPPS Systems
4.1 Introduction
4.2 Experimental
4.2.1 Preparative details Catalytic reaction monitoring
4.2.2 Catalytic reaction monitoring
4.3 Results and Discussion
4.3.1 The catalase system- A brief outlook
4.3.2 Catalase-like activity of PS-MTPPS systems developed
4.4 References
5 Peroxidase-like and Photocatalytic Activities of Selected PS-MTPPS Systems
5.1 Introduction
5.2 Experimental
5.2.1 Preparative details
5.2.2 Preparation of polymer beads bonded to Rose-bengal
5.2.3 Monitoring of peroxidase-like activity
5.2.4 Detection of singlet oxygen
5.3 Results and Discussion
5.3.1 A brief outlook on peroxidases
5.3.2 Peroxidase-like activity of selected PS-MTPPS systems
5.3.3 Photogeneration of singlet oxygen
5.4 References
6 Binary Porphyrin Systems Grafted on Polymer Supports
6.1 Introduction
6.2 Experimental
6.2.1 Preparative details
6.2.2 Generation of polymer supported H2TpyP+ / MTPyP+
6.2.3 Generation of polymer grafted H2TMPyP4+/MTMPyPa+
6.2.4 Generation of binary porphyrins on polymer supports
6.2.5 Physical measurements
6.3 Results and Discussion
6.3.1 Synthesis of polymer grafted H2TpyP+/MTPyP+ systems
6.3.2 Incorporation of additional anionic porphyrins on PS-TPyP+ systems (possible porphyrin dimer formation)
6.3.3 Generation of polymer grafted tetracationic porphyrin systems.
6.3.4 lonically held binary metalloporphyrins grafted on polystyrene surface
6.4 References
7 Summary and Conclusion