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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