2005 Publications

1. J. Obirai and T. NyokongSynthesis, Spectral and Electrochemical Characterization of Mercaptopyrimidine Substituted Cobalt (II), Iron (II), Manganese (II) and Zn (II) Phthalocyanine Complexes.
Electrochim. Acta,  50 (2005) 3296-3304.

2. A.O. Ogunsipe and T. Nyokong
Effect of central metal on the photophysical and photochemical properties of non-transition metal
phthalocyanine sulphonates.
J. Porphrins, Phthalocyanines  9 (2005) 121-129.

3. Z. Zhixin, A. O. Ogunsipe,  M. D. Maree and T. Nyokong   
Synthesis and photophysical properties of a covalently linked porphyrin-phthalocyanine conjugate.
J. Porphrins, Phthalocyanines  9 (2005) 186-197.

4. B. Agboola, K. I. Ozoemena and T. Nyokong
Hydrogen peroxide oxidation of 2-chlorophenol and 2, 4, 5-trichlorophenol catalyzed by cobalt
tetrasulfophthalocyanine,
J. Mol. Cat. A: Chem. 227 (2005) 209-216.

5. J. Obirai, F. Bedioui and T. Nyokong
Electrooxidaton of phenol and its derivatives on poly-   Ni(OH)TPhPyPc modified vitreous carbon electrodes.
J. Electroanal. Chem. 576 (2005) 323-332.

6. N. Pereira Rodrigues, J. Obirai, T.  Nyokong and  F. Bedioui
Electropolymerized pyrrole-substituted manganese phthalocyanine films for the electroassisted biomimetic
catalytic reduction of molecular oxygen.
Electroanalysis 17 (2005) 186-190.

7. D.S. Maharaj, H. Molell, E.A. Antunes, H. Maharaj, D.M. Maree, T. Nyokong, B.D. Glass and S. Daya
Melatonin generates singlet oxygen on laser irradiation but acts as a quencher when irradiated by lamp
photolysis.
J. Pineal Research, 38 (2005) 153-156

8. I. Seotsanyana-Mokhosi, J.-Y. Chen and T. Nyokong
Synthesis, Photophysicochemical studies of adjacently tetrasubstituted binaphthalo phthalocyanines
J. Porphyrins Phthalocyanines  9 (2005) 316-325.

9. A.O. Ogunsipe and T. Nyokong
Photophysical and Photochemical properties of Sulfonated metallophthalocaynies  in aqueous and non-
aqueous solvents.
J. Photochem. Photobiol. A: Chem. 173  (2005) 211-220

10. J. Obirai and  T. Nyokong
Synthesis, Electrochemical and electrocatalytic behaviour of  Thiophene Derivatized Cobalt, Manganese and
Zinc Phthalocyanine Complexes.
Electrochim. Acta  50 (2005) 5427-5434

11. W. Maqanda, D.M. Maree and T. Nyokong
Photochemical and photophysical properties of alkoxy and naphthoxy appened magnesium and zinc
phthalocyanines.
J. Porphyrins Phthalocyanines, 9  (2005) 343-351.

12. K.I. Ozoemena and T. Nyokong
Electrocatalytic oxidation and detection of hydrazine at gold electrode modified with iron phthalocyanine
complex linked to mercaptopyridine self-assembled monolayer.
Talanta 67 (2005) 162-168.

13. K.I. Ozoemena and T. Nyokong,
Surface electrochemistry of iron phthalocyanine axially ligated to 4-mercaptopyridine self-assembled
monolayers at gold electrode: Applications to electrocatalytic oxidation and detection of thiocyanate
J. Electroanal. Chem. 2005  579 (2005) 283-289.

14. Zhixin Zhao, K. I. Ozoemena, M. D. Maree and T. Nyokong
Synthesis and Electrochemical studies of a covalently linked Co(II)porphyrin-Co(II)phthalocyanine conjugate.
Dalton Trans (2005) 1241-1248.

15. A.O. Ogunsipe and T. Nyokong
Photophysicochemical consequences of bovine serum albumin binding to non-transition metal
phthalocyanine Sulphonates.
Photochem. Photobiol. Scie. 4 (2005) 510-516.

16. K. I. Ozoemena, Z. Zhao, and  T. Nyokong                                       
Electrochemistry of an immobilized cobalt (II) phthalocyanine -- cobalt (II) porphyrin pentamer at a glassy
carbon electrode : Application to amperometric sensing of hydrogen peroxide in neutral and basic media.
Electrochem. Comm. 7 (2005) 679-684.

17. D.S. Maharaj, H. Maharaj, E.M. Antunes, D.M. Maree, T. Nyokong, B.G. Glass and S. Daya
6-hdroxymelatonin protects against quinoline-acid-induced oxidative neorotoxicity in the rat hippocampus.
J. Pharm. Pharmacol. 57 (2005) 877-881.

18. I. Seotsanyana-Mokhosi and T. Nyokong,
Photophysical properties of a water-soluble adjacently substituted bisnaphthalophthalocyanine.
J. Porphyrins Phthalocyanines 9 (2005) 476-483.

19. F. Matemadombo, M.D. Maree, K.I. Ozoemena, P. Westbroek and T. Nyokong
Synthesis, electrochemical and spectroelectrochemical studies of octaalkylthiosubstituted phthalocyanines
J. Porphyrins Phthalocyanines  9 (2005) 484 -490.

20. E. Antunes, M. D. Maree, S. E. Maree, T. Nyokong and M.T. Davies-Coleman
The effect of structure on the electrochemical properties of 14 marine pyrroloquinoline metabolites   
J. Chem. Res. (2005) 780-783.

21. Z. Zhao,  M. D. Maree and T. Nyokong
Synthesis and Photophysical properties and Solvent effect of trimer and nonamer of covalently liked porphyrin  zinc—phthalocyanine zinc conjugate.
Dalton Trans. (23) (2005) 3732-3737.



Last Modified: Thu, 09 Mar 2017 11:38:27 SAST