1982-1999 Publications

1. T. Nyokong and J.E. Greedan
Magnetic properties of ? and ?-Li2Eu5O8, evidence for linear-chain Heisenberg  Ferromagnetic behaviour.
Inorg. Chem., 21 (1982) 398-401.
1986
   
2. T. Nyokong, Z. Gasyna and M.J. Stillman
Photochemical formation of ruthenium phthalocyanine ? cation radical species.
Inorg. Chim. Acta, 112 (1986) 11-15.

3. T. Nyokong and M.J. Stillman
Computer-aided chemistry. Part I: Control of the PAR 273 Electrochemical Instrument using the IBM    9001 laboratory computer.
J. Automatic Chem., 8 (1986) 122-133.

4. T. Nyokong, Z. Gasyna and M.J. Stillman
Photooxidation of phthalocyanines: photoinduced reactivity of the triplet excited states.
J. Am. Chem. Soc. Symp. Ser., 321 (1986) 309-327.

5. T. Nyokong, Z. Gasyna and M.J. Stillman
Phthalocyanine ?  cation radical species: photochemical and electrochemical  preparation of [ZnPc(-1)]+.
in solution.
Inorg. Chem., 26 (1987) 548-553.

6. T. Nyokong, Z. Gasyna and M.J. Stillman
Analysis of the  absorption and magnetic circular dichroism spectra of zinc phthalocyanine and its ? cation
radical species [ZnPc(-1)]+..
Inorg. Chem., 26 (1987) 1087-1095.

7. E. Ough, T. Nyokong, K.A. Kreber and M.J. Stillman
Electrochemistry and spectroscopy of magnesium phthalocyanine. Analysis of the absorption and magnetic
circular dichroism spectra.
Inorg. Chem., 27 (1988) 2724-2732.

8. Z. Gasyna, W.R. Browett, T. Nyokong, R. Kitchenham and M.J. Stillman
Microcomputer-aided chemistry 5. Interactive computing for instrument control and data analysis in
photochemical studies.
`Chemometrics and    Intelligent Laboratory Systems, 5 (1989) 233-246.

9. T. Nyokong
The oxidation of oxomolybdenum phthalocyanine.
Inorg. Chim. Acta, 160 (1989) 235-239.

10. T. Nyokong
The nature of the oxidation products of dicyanoruthenium phthalocyanine in aqueous and non-aqueous
solvents.
Polyhedron, 12 (1993) 375-381.      

11. T. Nyokong and J. Guthrie-Strachan
Kinetics of the reaction of cyanide with ruthenium phthalocyanine complexes.
Inorg. Chim. Acta, 208 (1993) 239-242.      

12. T. Nyokong
Interaction of cyanide with iron(II) phthalocyanine: kinetics and equilibria.
J.Chem. Soc. Dalton Transactions, (1993) 3601-3604. 

13. G. Ferraudi, T. Nyokong, M. Feliz, M. Perkovic and D.P. Rilema
Redox reactions of an Mo(V) tetrasulfophthalocyanine.
Inorg. Chim. Acta, 215 (1994) 27-32.      

14. T. Nyokong
Cyclic voltammetry and photooxidation of molybdenum(V) phthalocyanine.
Polyhedron, 13 (1994) 215-220.

15. T. Nyokong
Cyclic voltammetry and spectroelectrochemistry of rhodium phthalocyanines.
J. Chem. Soc., Dalton Trans., (1994) 1359-1365. 

16. T. Nyokong
Cyclic voltammetric studies  of hafnium and zirconium phthalocyanines.
Synthetic Metals, 66 (1994) 107-116.

17. T. Nyokong
Photoreduction of tin(IV) phthalocyanines.
Polyhedron, 13 (1994) 2067-2071.

18. T. Nyokong
Photoassisted electron transfer between sulphur dioxide and tin(IV) phthalocyanine.
J. Chem. Soc., Chem. Commun., (1994) 1983-1984.  

19. T. Nyokong
The reaction of cyanide with iron(II) hexadecachloro phthalocyanine.
Polyhedron, 14 (1995) 643-648.

20. T. Nyokong
Equilibrium and kinetic studies of the reaction between pyridine and cobalt(II) phthalocyanine in DMSO.
Polyhedron, 14 (1995) 2325-2329.

21. T. Nyokong
Electrochemistry of some second row transition metal phthalocyanine complexes.
S.A. J. Chem., 48 (1995) 23-29.

22 N. Nensala and T. Nyokong
Spectroelectrochemical studies of tin(IV) diphthalocyanines.
Polyhedron, 15 (1996) 867 -872.

23. M. Sekota and T. Nyokong
Cyclic voltammetry and spectroelectrochemistry of osmium (II) phthalocyanines in aqueous and non-aqueous
solvents.
Polyhedron, 15 (1996) 2901 2908.

24. T. Mafatle and T. Nyokong
Electrocatalytic oxidation of cysteine by molybdenum(V) phthalocyanine complexes.
J. Electroanal. Chem., 408 (1996) 213 -218.

25. N. Nensala, A. Nzimande and T. Nyokong
Photochemically induced electron transfer between sulfur dioxide and tin(IV) mono- and di-phthalocyanines.
J. Photochem. Photobiol A: Chem., 98 (1996) 129 -135.

   
26. J. Limson and T. Nyokong
Voltammetric behaviour of cysteine and metallothionein on cobalt(II) tetrasulfonated phthalocyanine modified glassy carbon electrodes.
Electroanalysis, 9 (1997) 255 - 260.

27. N. Chebotareva and  T. Nyokong
Metallophthalocyanine catalysed electroreduction of nitrate and nitrite ions in alkaline media.
J. Appl. Electrochem., 27 (1997) 975 - 981.

28. J. Limson and T. Nyokong
Adsorptive voltammetry of catechol complexes of bismuth, copper, cadmium and lead.
Anal. Chim. Acta,  344 (1997) 87 - 95.

29. N. Nensala and T. Nyokong
Photosensitization reactions of neodymium, dysprosium and lutetium dipthalocyanines
Polyhedron, 16 (1997) 2971 - 2976.

30. N. Chebotareva and  T. Nyokong
Application of the first row transition metal phthalocyanines as catalysts for water electrolysis. 
Electrochim. Acta, 42 (1997) 3519 - 3524.

31. M. Sekota and  T. Nyokong
The study of the interaction of cobalt(II) tetrasulfophthalocyanine with cysteine and histidine.
Polyhedron, 16 (1997) 3279 - 3284.

32. T. Mafatle and T. Nyokong
The use of cobalt(II) phthalocyanine to improve the sensitivity and stability of glassy carbon electrodes for              the detectuon of cresols, chlorophenols and phenol.
Anal. Chim. Acta, 354 (1997) 307 - 314.

33. M. Sekota and T. Nyokong
Catalytic behaviour of glassy carbon electrode modified with osmium, rhodium and ruthenium
phthalocyanines towards the oxidation of cysteine.
Electroanalysis, 9 (1997) 1257 - 1261.

34. T. Nyokong and N. Nensala
Preliminary investigations into the use of radiation to reduce the toxicity of pesticide residues.
Science, Technology & Development, 15 (1997) 199 - 210.

35. J. Limson, T. Nyokong and S. Daya
The interaction of melatonin, and its precursors, with aluminium, cadmium, copper, iron, lead and zinc:
An adsorptive voltammetry study.
J. Pineal Research, 24 (1998) 15-21.

36. R.M. Moutloali, J. Darkwa and T. Nyokong
Reversible sulfur dioxide reactions with cyclopentadienylnickel(II) organochalcogenide complexes.
J. Organometal. Chem., 564 (1998) 37-45.

37. N. Nensala and  T. Nyokong
Photoassisted reduction of thionyl chloride using lanthanide diphthalocyanine complexes.
Polyhedron, 17 (1998) 3467-3475.

38. J. Limson and  T. Nyokong
Voltammetric studies of spinach ferredoxin on glassy carbon electrode modified with cobalt(II)
tetrasulphophthalocyanine.
Electroanalysis, 10 (1998) 988-993.

39. S. Vilakazi and  T. Nyokong
Interactions of nitric oxide with cobalt(II) phthalocyanines: A kinetic and equilibrium study
Polyhedron, 17 (1998) 4415-4423


40. N. Chebotareva and  T. Nyokong
Interaction between cobalt(II) tetrasulfophthalocyanine and nitrite in the presence of nitrate and perchlorate
ions.
J. Coord. Chem., 46 (1999) 433-444.

41. B. Lack , J. Duncan and T. Nyokong
Stripping voltammetric of gold(III) in highly acidic media and in the presence of yeast mannan
Anal. Chim. Acta, 385 (1999) 393 - 399.

42. M.A. Thamae and T. Nyokong
Electrocatalytic reduction of nitrite ions in basic media at cobalt(II) porphyrazine modified carbon electrodes
J. Electroanal Chem., 470 (1999) 126 -135.

43. M. Sekota and T. Nyokong
Palladium(II) and platinum(II) tetrapyridinoporphyrazine complexes: redox properties and interactions with
cysteine and histidine.
Journal of Phthalocyanines and Porphyrins, 3 (1999) 477-487.

Last Modified: Thu, 09 Mar 2017 11:52:40 SAST