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Research Reports 2009


Abegaz,BM and Davies-Coleman,MT. "A brief history of natural product research in Africa". In: American Society of Pharmacognosy: 50 years of Progress in Natural Product Research. American Society of Pharmacognosy. Madison, Wisconsin. First Edition. 2009. 146-147.


Akinbulu,IA and Nyokong,T
Akinbulu,IA and Nyokong,T. "Characterization of polymeric film of a new manganese phthalocyanine complex octa-substituted with 2-diethylaminoethanethiol, and its use for the electrochemical detection of bentazon". Electrochimica Acta. 2009. 55,37-45.

Akinbulu,IA and Nyokong,T. "Synthesis, spectroscopic and electrochemical properties of manganese, nickel and iron octakis-(2-diethylaminoethanethiol)-phthalocyanine". Polyhedron. 2009. 28,2831-2838.

Antunes,E and Nyokong,T
Antunes,E and Nyokong,T. "Synthesis and photophysical behaviour of axially substituted phthalocyanine, tetrabenzotriazaporphyrin and triazatetrabenzcorrole phosphorous complexes". Journal of Porphyrins and Phthalocyanines. 2009. 13,153-160.

Antunes,E, Nyokong,T, Ahsen,V, Saydan,N, Durmus,M, Dizge,MG, Yaman,H and Gurek,AG. "Water-soluble phthalocyanines mediated photodynamic effect on mesothelioma cells". Journal of Porphyrins and Phthalocyanines. 2009. 13,681-690.

Britton,J, Antunes,E and Nyokong,T
Britton,J, Antunes,E and Nyokong,T. "Fluorescence studies of quantum dots and zinc tetraamino phthalocyanine conjugates". Inorganic Chemistry Communications. 2009. 12,828-831.

Glass,BD and Brown,ME. "Thermoanalytical methods applied to medicine". Pure and Applied Chemistry. 2009. 81(10),1881-1888.

Chidawanyika,W and Nyokong,T
Chidawanyika,W and Nyokong,T. "Spectroscopic and photophysicochemical behaviour of novel cadmium phthalocyanine derivatives tetra-substituted at the alpha and beta positions". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 202,99-106.

Chidawanyika,W and Nyokong,T. "The synthesis and photophysicochemical properties of low-symmetry zinc phthalocyanine analogues". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 206,169-176.

Chidawanyika,W, Nyokong,T, Mack,J, Shimizu,S and Kobayashi,N. "Effect of peripheral fused ring substitution on the optical spectroscopy and electronic structure of metal phthalocyanine complexes". Journal of Porphyrins and Phthalocyanines. 2009. 13,1053-1062.

Erdogmus,A and Nyokong,T
Erdogmus,A and Nyokong,T. "Synthesis, photophysical and photochemical properties of novel soluble tetra[4-(thiophen-3yl)-phenoxy]phthalocyaninato zinc(II) and Ti(IV)O complexes". Inorganic Chimica Acta. 2009. 362,4875-4883.

Erdogmus,A and Nyokong,T. "New soluble methylendioxy-phenoxy-substituted zinc phthalocyanine derivatives: synthesis, photophysical and photochemical studies". Polyhedron. 2009. 28,2855-2862.

Erdogmus,A, Nyokong,T and Ogunsipe,A. "Synthesis, photophysics and photochemistry of novel tetra(quinoxalinyl) phthalocyaninato zinc(II) complexes". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 205,12-18.

Erdogmus,A, Nyokong,T and Ogunsipe,A
Erdogmus,A, Nyokong,T, Durmus,M, Dube,T and Ogunsipe,A. "The synthesis, photophysicochemical behaviour of novel water-soluble cationic indium(III) phthalocyanine". Dyes and Pigments. 2009. 89,244-250.

George,R and Nyokong,T
George,R, Nyokong,T, Durmus,M and Egharevba,GO. "Electrostatic self-assembly of quaternized 2,(3)-tetra(oxo-pyridine) phthalocyaninato chloroindium(III) with a series of tetrasulfonated phthalocyanines". Polyhedron. 2009. 28,3621-3627.

Idowu,M and Nyokong,T
Idowu,M and Nyokong,T. "Interaction of water-soluble CdTe quantum dots with octacarboxy metallophthalocyanines: a photophysical and photochemical study". Journal of Luminescence. 2009. 129,356-362.

Idowu,M and Nyokong,T. "Photophysicochemical and fluorescence quenching studies of tetra- and octa-carboxy substituted silicon and germanium phthalocyanines". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 204,63-68.

Idowu,M and Nyokong,T. "Synthesis, photophysical and photochemical studies of water soluble cationic zinc phthalocyanine derivatives". Polyhedron. 2009. 28,416-424.

Idowu,M and Nyokong,T. "Study of the photophysical behaviour of tetrasulfonated metallophthalocyanines in the presence of CdTe quantum dots". Polyhedron. 2009. 28,891-896.

Khene,S, Lobb,K and Nyokong,T
Khene,S, Lobb,K and Nyokong,T. "Characterization of nickel tetrahydroxy phthalocyanine complexes and the electrocatalytic oxidation of 4-chlorophenol: correlation of theory with experiments". Inorganic Chimica Acta. 2009. 362,5055-5063.

Masilela,N, Idowu,M and Nyokong,T
Masilela,N, Idowu,M and Nyokong,T. "Photophysical, photochemical and electrochemical properties of water soluble silicon, titanium and zinc phthalocyanines". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 201,91-97.

Matemadombo,F and Nyokong,T
Matemadombo,F, Durmus,M, Togo,C, Limson,JL and Nyokong,T. "Characterization of manganese tetraarylthiosubstituted phthalocyanines self assembled monolayers". Electrochimica Acta. 2009. 54,5557-5565.

Matemadombo,F, Nyokong,T, D Scherman,D, Durmus,M, Escriou,V, Griveau,S and Bedioui,F. "Evaluation of the performance of manganese phthalocyanines as superoxide dismutase mimics". Current Analytical Chemistry. 2009. 5,330-338.

Matemadombo,F, Nyokong,T and Sehlotho,N
Matemadombo,F, Nyokong,T and Sehlotho,N. "Effects of the number of ring substituents of cobalt carboxyphthalocyanines on the electrocatalytic detection of nitrite, cysteine and melatonin". Journal of Porphyrins and Phthalocyanines. 2009. 13,986-997.

Mbambisa,G, Nombona,N and Nyokong,T
Mbambisa,G, Nombona,N and Nyokong,T. "The formation of self-assembled monolayers of thiophthalocyanine complexes of titanium, vanadium and manganese and their use in l-cysteine electrocatalysis". Microchemical Journal. 2009. 93,60-66.

Mmualefe,LC and Torto,N
Mmualefe,LC and Torto,N. "Environmental and food sample handling challenges for developing countries". Toxicological & Environmental Chemistry. 2009. 91,819-835.

Mmualefe,LC, Torto,N, Huntsman-Mapila,P and Mbongwe,B. "Headspace solid phase microextraction in the determination of pesticides in water samples from the Okavango Delta with gas chromatography-electron capture detection and time-of-flight mass spectrometry". Microchemical Journal. 2009. 91,239-244.

Modibane,D and Nyokong,T
Modibane,D and Nyokong,T. "Synthesis, photophysical and photochemical properties of octa-substituted antimony phthalocyanines". Polyhedron. 2009. 28,479-484.

Modibane,DK and Nyokong,T
Modibane,DK and Nyokong,T. "Synthesis, photophysical and nonlinear optical properties of microwave synthesized 4-tetra and octa-substituted lead phthalocyanines". Polyhedron. 2009. 28,1475-1480.

Moeno,S and Nyokong,T
Moeno,S and Nyokong,T. "Opposing responses elicited by positively charged phthalocyanines in the presence of CdTe quantum dots". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 201,228-236.

Moeno,S and Nyokong,T. "Solvent and central metal effects on the photophysical and photochemical properties of peripherally tetra mercaptopyridine substituted metallophthalocyanines". Journal of Photochemistry and Photobiology A-Chemistry. 2009. 203,204-210.

Molefe,DM and Kaye,PT
Molefe,DM and Kaye,PT. "Catalytic effects in Baylis-Hillman reactions of chromone-3-carbaldehydes with acrylonitrile and methyl acrylate". Synthetic Communications. 2009. 39(16),3586-3600.

Molefe,DM, Ganto,MM, Lobb K,KA and Kaye,PT
Molefe,DM, Ganto,MM, Lobb K,KA and Kaye,PT. "Chromone studies. Part 17. Tricyclic scaffolds from reactions of chromone-3-carbaldehydes and methyl vinyl ketone under Baylis-Hillman conditions". Journal of Chemical Research (S). 2009. 17,452-456.

Mugadza,T and Nyokong,T
Mugadza,T and Nyokong,T. "Synthesis and characterization of electrocatalytic conjugates of tetraamino cobalt (II) phthalocyanine and single wall carbon nanotubes". Electrochimica Acta. 2009. 54,6347-6353.

Mutorwa,M, Salisu,S and Kaye,PT
Mutorwa,M, Salisu,S, Blatch,GL, Kenyon,C and Kaye,PT. "3-Substituted anilines as scaffolds for the construction of glutamine synthetase and DXP-reductoisomerase inhibitors". Synthetic Communications. 2009. 39,2723-2736.

Nombona,N and Nyokong,T
Nombona,N and Nyokong,T. "Synthesis, cyclic voltammetry and spectroelectrochemical studies of Co(II) phthalocyanines tetra-substituted at the alpha and beta positions with phenylthio groups". Dyes and Pigments. 2009. 80,130-135.

Nombona,N, Nyokong,T and Geraldo,DA
Nombona,N, Nyokong,T, Geraldo,DA, Hakuzimana,J, Schwarz,A and Westbroek,P. "Comparative electrocatalytic behavior of self-assembled monolayer of thiol derivatised Co (II) phthalocyanines on gold disk, ultramicro cylinder and fiber electrodes". Journal of Applied Electrochemistry. 2009. 39(5),727-736.

Nyokong,T, Koysal,O, Okutan,M, Eren San,S and Durmus,M. "Diffraction efficiency and I-V characteristics of metal-free phthalocyanine doped nematic liquid crystals". Materials Chemistry and Physics. 2009. 114,815-820.

Nyokong,T, Ozoemena,KI, Mamuru,SA, Fukuda,T and Kobayashi,N. "Metal (Co, Fe) tribenzotetraazachlorin-fullerene conjugates: impact of direct pi-bonding on the redox behaviour and oxygen reduction reaction". Electrochemistry Communications. 2009. 11(6),1221-1225.

Nyokong,T, Ozoemena,KI and Stefan-van Staden,R-I. "Metallophthalocyanine based carbon paste electrodes for the determination of 2',3'-dideoxyinosine". Electroanalysis. 2009. 21(14),1651-1654.

Nyokong,T, Zagal,JH, Griveau,S, Ozoemena,KI and Bedioui,F. "Carbon nanotubes, phthalocyanines and porphyrins: attractive hybrid materials for electrocatalysis and electroanalysis". Journal of Nanoscience and Nanotechnology. 2009. 9(4),2201-2214.

Ochoa,G, Geraldo,D, Linares,C, Nyokong,T, Bedioui,F and Zagal,JH. "Tuning the formal potential of metallomacrocyclics for maximum catalytic activity for the oxidation of thiols and hydrazine". Ecs Transactions. 2009. 19(32),97-112.

Ogunbayo,T and Nyokong,T
Ogunbayo,T and Nyokong,T. "Synthesis and Pd(II) binding studies of octasubstituted alkyl thio derivatised phthalocyanines". Polyhedron. 2009. 28(33),2710-2718.

Ogunbayo,T, Nyokong,T and Ogunsipe,A. "The syntheses, characterization and fluorescence spectra of novel octakis(alkylthiophthalocyanato) nickel(II) and palladium(II) complexes". Dyes and Pigments. 2009. 82,422-426.

Stefan-van Staden,RI and Ozoemena,KI. "Amperometric immunosensor for the determination of 2',3'-dideoxyinosine". Analytical Letters. 2009. 42(5),758-763.

Rashamuse,TJ, Musiliyu,AM, Klein,R and Kaye,PT
Rashamuse,TJ, Musiliyu,AM, Klein,R and Kaye,PT. "Regio-controlled Michaelis-Arbuzov reactions of 3-(halomethyl)coumarins". Journal of Chemical Research (S). 2009. 302-305.

Sunassee,SN, Davies-Coleman,MT and Klein,R
Sunassee,SN, Davies-Coleman,MT and Klein,R. "Factors influencing prenylation of an aromatic organolithium". Journal of Chemical Research (S). 2009. 2009(8),468-472.

Torto,N. "Recent progress in electrochemical oxidation of saccharides at gold and copper electrodes in alkaline solution". Bioelectrochemistry. 2009. 76,195-200.

Torto,N. "A review of microdialysis sampling systems". Chromatographia. 2009. 70,1305-1309.

Sichilongo,K and Torto,N. "Evaluation of endocrine disruptor levels in Kafue Lechwe (kobus leche kafuensis) samples from the blue lagoon national park of Zambia". Bulletin of Environmental Contamination and Toxicology. 2009. 83,846-851.


Last Modified :Fri, 07 Jun 2013 15:24:14 SAST