https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Voltammetric characterization of the self-assembled monolayer (SAM) of octabutylthiophthalocyaninatoiron (II) https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56748 Wed 21 Sep 2022 13:37:46 SAST ]]> Synthesis, spectroscopy and photochemistry of octasubstituted thiol-derivatized phthalocyaninatozinc (II) complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56746 Wed 21 Sep 2022 13:35:47 SAST ]]> Self-Assembled Monolayers of Cobalt and Iron Phthalocyanine Complexes on Gold Electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56743 Wed 21 Sep 2022 13:34:01 SAST ]]> Phthalocyanines and related complexes as electrocatalysts for the detection of nitric oxide https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56741 Wed 21 Sep 2022 13:32:26 SAST ]]> Electrochemical studies of manganese tetraamminophthalocyanine monomer and polymer https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56738 Wed 21 Sep 2022 13:29:35 SAST ]]> Electrochemical behaviour of thiol-derivatised zinc (II) phthalocyanine complexes and their self-immobilised films at gold electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56737 Wed 21 Sep 2022 13:27:39 SAST ]]> Electrochemical behavior and detection of dopamine and ascorbic acid at an iron (II) tetrasulfophthalocyanine modified carbon paste microelectrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56735 0.01.]]> Wed 21 Sep 2022 13:26:05 SAST ]]> Catalytic activity of iron and cobalt phthalocyanine complexes towards the oxidation of cyclohexene using tert-butylhydroperoxide and chloroperoxybenzoic acid https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56729 Wed 21 Sep 2022 13:24:04 SAST ]]> Synthesis and photochemical studies of substituted adjacent binaphthalophthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56689 Wed 21 Sep 2022 10:14:11 SAST ]]> Solvent effects on the photochemical and fluorescence properties of zinc phthalocyanine derivatives https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6586 Wed 12 May 2021 22:50:35 SAST ]]> Synthesis, spectral and electrochemical characterization of mercaptopyrimidine-substituted cobalt, manganese and Zn (II) phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6973 Wed 12 May 2021 20:31:23 SAST ]]> Effects of substituents and solvents on the photochemical properties of zinc phthalocyanine complexes and their protonated derivatives https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6585 Wed 12 May 2021 17:51:09 SAST ]]> Effects of ring substituents on electrocatalytic activity of manganese phthalocyanines towards the reduction of molecular oxygen https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6594 Tue 24 Aug 2021 16:08:45 SAST ]]> Electrocatalysis of asulam on cobalt phthalocyanine modified multi-walled carbon nanotubes immobilized on a basal plane pyrolytic graphite electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6595 Tue 24 Aug 2021 16:08:45 SAST ]]> Melatonin protects against copper‐mediated free radical damage https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56654 Tue 20 Sep 2022 15:01:51 SAST ]]> Voltammetric detection of vitamin B1 at carbon paste electrodes and its determination in tablets https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56663 Tue 20 Sep 2022 14:59:52 SAST ]]> Voltammetric detection of vitamin B1 at carbon paste electrodes and its determination in tablets https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56662 Tue 20 Sep 2022 14:56:59 SAST ]]> Synthesis, photophysical and photochemical studies of germanium and tin phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56661 Tue 20 Sep 2022 14:54:59 SAST ]]> Spectrophotometric and electrochemical studies of the interaction between iron (II) tetrasulfophthalocyanine and histamine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56657 Tue 20 Sep 2022 14:44:54 SAST ]]> Iron perchlorophthalocyanine and tetrasulfophthalocyanine catalyzed oxidation of cyclohexane using hydrogen peroxide, chloroperoxybenzoic acid and tert-butylhydroperoxide as oxidants https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56653 Tue 20 Sep 2022 14:39:40 SAST ]]> Interaction of sulfur dioxide and cyanide with cobalt (II) tetrasulfophthalocyanine in aqueous media https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56652 Tue 20 Sep 2022 14:37:59 SAST ]]> Effects of axial ligands on the photophysical properties of silicon octaphenoxyphthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56651 Tue 20 Sep 2022 14:36:09 SAST ]]> Cyclic voltammetric studies of octabutylthiophthalo-cyaninato-cobalt (II) and its self-assembled monolayer (SAM) on gold electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56650 Tue 20 Sep 2022 14:34:16 SAST ]]> Zinc phthalocyanine photocatalyzed oxidation of cyclohexene https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56629 cyclohexenol > trans-cyclohexanediol > cyclohexene oxide > cyclohexene hydroperoxide. The mechanism for the formation of these products involves both singlet oxygen and radicals (Type II and Type I mechanisms, respectively). The catalyst degraded slowly when low light intensities were employed. The product yields were found to depend on the light intensity, the nature of solvent, irradiation time and the rate of photodegradation of the catalyst.]]> Tue 20 Sep 2022 12:50:11 SAST ]]> The renaissance in optical spectroscopy of phthalocyanines and other tetraazaporphyrins https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56628 Tue 20 Sep 2022 12:48:26 SAST ]]> Electropolymerized Pyrrole-Substituted Manganese Phthalocyanine Films for the Electroassisted Biomimetic Catalytic Reduction of Molecular Oxygen https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56626 Tue 20 Sep 2022 12:46:48 SAST ]]> Electro-oxidation of phenol and its derivatives on poly-Ni (OH) TPhPyPc modified vitreous carbon electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56625 Tue 20 Sep 2022 12:45:13 SAST ]]> Effects of central metal on the photophysical and photochemical properties of non-transition metal sulfophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56623 Tue 20 Sep 2022 12:43:42 SAST ]]> Indomethacin reduces lipid peroxidation in rat brain homogenate by binding Fe2+ https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58487 Tue 18 Jul 2023 21:45:00 SAST ]]> Interaction of the neurotransmitter acetylcholine with aluminium, calcium and sodium https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57068 Tue 18 Jul 2023 21:31:02 SAST ]]> Synthesis, electrochemical and photochemical properties of unsymmetrically substituted zinc phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56658 Tue 18 Jul 2023 21:31:01 SAST ]]> Synthesis, spectroscopy and electrochemistry of octaphenoxyphthalocyaninato silicon complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58497 Tue 15 Nov 2022 08:38:38 SAST ]]> Synthesis, spectral and electrochemical properties of a new family of pyrrole substituted cobalt, iron, manganese, nickel and zinc phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58496 Tue 15 Nov 2022 08:36:44 SAST ]]> Syntheses and photochemical properties of octasubstituted phthalocyaninato zinc complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58495 Tue 15 Nov 2022 08:35:10 SAST ]]> Solvent-free axial ligand substitution in octaphenoxyphthalocyaninato silicon complexes using microwave irradiation https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58494 Tue 15 Nov 2022 08:33:07 SAST ]]> Photochemical studies of binuclear phenoxysubstituted phthalocyanines containing catecholate bridges https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58492 Tue 15 Nov 2022 08:29:03 SAST ]]> Photocatalytic properties of neodymium diphthalocyanine towards the transformation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58491 Tue 15 Nov 2022 08:27:07 SAST ]]> pH study of the electrocatalytic SO2 detection at a glassy carbon electrode modified with iron (II) tetrasulfophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58490 Tue 15 Nov 2022 08:24:28 SAST ]]> Influence of cyclodextrins on the fluorescence, photostability and singlet oxygen quantum yields of zinc phthalocyanine and naphthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:58488 Tue 15 Nov 2022 08:22:29 SAST ]]> The nature of the oxidation products of dicyanoruthenium phthalocyanine in aqueous and non-aqueous solvents https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57352 Tue 11 Oct 2022 14:33:48 SAST ]]> Redox reactions of an Mo (V) tetrasulfophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57351 Tue 11 Oct 2022 14:31:45 SAST ]]> Photoassisted electron transfer between sulfur dioxide and tin (IV) phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57349 Tue 11 Oct 2022 14:30:01 SAST ]]> Kinetics of the reaction of cyanide with ruthenium phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57348 Tue 11 Oct 2022 14:28:20 SAST ]]> Interaction of cyanide with iron (II) phthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57347 Tue 11 Oct 2022 14:25:52 SAST ]]> Cyclic voltammetry and spectroelectrochemistry of rhodium phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57346 Tue 11 Oct 2022 14:24:06 SAST ]]> Cyclic voltammetry and photooxidation of molybdenum (V) phthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57344 Tue 11 Oct 2022 14:22:36 SAST ]]> Spectroelectrochemical studies of tin (IV) diphthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57085 Thu 29 Sep 2022 22:33:36 SAST ]]> Photosensitization reactions of neodymium, dysprosium and lutetium diphthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57084 Thu 29 Sep 2022 22:30:33 SAST ]]> Photoreduction of tin (IV) phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57083 Thu 29 Sep 2022 22:27:06 SAST ]]> Photochemically induced electron transfer between sulfur dioxide and tin (IV) mono-and di-phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57082 Thu 29 Sep 2022 22:23:14 SAST ]]> First-row transition metal phthalocyanines as catalysts for water electrolysis https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57081 Thu 29 Sep 2022 22:21:11 SAST ]]> Equilibrium and kinetic studies of the reaction between pyridine and cobalt (II) phthalocyanine in DMSO https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57080 Thu 29 Sep 2022 22:18:59 SAST ]]> Electrocatalytic oxidation of cysteine by molybdenum (V) phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57079 Thu 29 Sep 2022 22:16:40 SAST ]]> Cyclic voltammetry and spectroelectrochemistry of osmium phthalocyanines in aqueous and non-aqueous solvents https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57078 Thu 29 Sep 2022 22:14:14 SAST ]]> Voltammetric behavior of cysteine and metallothionein on cobalt (II) tetrasulfonated phthalocyanine modified glassy carbon electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57077 Thu 29 Sep 2022 19:56:24 SAST ]]> Use of cobalt (II) phthalocyanine to improve the sensitivity and stability of glassy carbon electrodes for the detection of cresols, chlorophenols and phenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57076 Mn(II)Pc > Fe(II)Pc > Ni(II)Pc > Cu(II)Pc > H2Pc > Zn(II)Pc > GCE. When [Co(II)TSPc]4− (TSPc=tetrasulfo Pc) was added to aqueous solutions containing the cresols and phenols, an enhancement of the oxidation currents was also observed.]]> Thu 29 Sep 2022 19:52:36 SAST ]]> The interaction of melatonin and its precursors with aluminium, cadmium, copper, iron, lead, and zinc https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57075 Thu 29 Sep 2022 19:49:37 SAST ]]> Substituted catechols as complexing agents for the determination of bismuth, lead, copper and cadmium by adsorptive stripping voltammetry https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57074 5 μg ml−1) are determined by adsorptive cathodic stripping voltammetry (AdCSV) on a mercury film glassy carbon electrode, using catechol, 4-methylcatechol, 4-t-butylcatechol and resorcinol as complexing ligands. Complexes of lead, copper and bismuth with resorcinol showed the largest increase in current with increase in metal concentration, whereas complexes of these metals with 4-t-butylcatechol showed the lowest current response. Cadmium showed a different behaviour from the other three metals in that the highest current response was observed with 4-methylcatechol. The four metals could be determined simultaneously in the presence of resorcinol, although considerable interference was observed between bismuth and copper.]]> Thu 29 Sep 2022 19:47:43 SAST ]]> Metallophthalocyanine catalysed electroreduction of nitrate and nitrite ions in alkaline media https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57073 5 μg ml−1) are determined by adsorptive cathodic stripping voltammetry (AdCSV) on a mercury film glassy carbon electrode, using catechol, 4-methylcatechol, 4-t-butylcatechol and resorcinol as complexing ligands. Complexes of lead, copper and bismuth with resorcinol showed the largest increase in current with increase in metal concentration, whereas complexes of these metals with 4-t-butylcatechol showed the lowest current response. Cadmium showed a different behaviour from the other three metals in that the highest current response was observed with 4-methylcatechol. The four metals could be determined simultaneously in the presence of resorcinol, although considerable interference was observed between bismuth and copper.]]> Thu 29 Sep 2022 19:45:39 SAST ]]> Catalytic behavior of osmium (II), rhodium (III) and ruthenium (II) Phthalocyanines towards the electrooxidation of cysteine on glassy carbon electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57072 Thu 29 Sep 2022 19:40:58 SAST ]]> Electrocatalytic behavior of substituted cobalt phthalocyanines towards the oxidation of cysteine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57070 Thu 29 Sep 2022 17:14:26 SAST ]]> Interactions of cobalt (II) tetrasulfophthalocyanine with nitrite in the presence of nitrate and perchlorate ions https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57069 Thu 29 Sep 2022 17:09:47 SAST ]]> Interaction of nitric oxide with cobalt (II) tetrasulfophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57067 Thu 29 Sep 2022 17:05:26 SAST ]]> Interaction between iron (II) tetrasulfophthalocyanine and the neurotransmitters, serotonin and dopamine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57066 Thu 29 Sep 2022 17:01:56 SAST ]]> Electrooxidation of cresols on carbon electrodes modified with phthalocyaninato and octabutoxyphthalocyaninato cobalt (II) complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57065 Thu 29 Sep 2022 16:58:24 SAST ]]> Electrocatalytic properties of vitamin B12 towards oxidation and reduction of nitric oxide https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57064 Thu 29 Sep 2022 16:54:49 SAST ]]> Electrocatalytic behavior of substituted cobalt phthalocyanines towards the oxidation of cysteine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57063 Thu 29 Sep 2022 16:51:20 SAST ]]> Comparative Spectroscopic and Electrochemical Properties of Bis (octakis (dodecylthio) naphthalocyaninato) europium (III) and Bis (tetra-tert-butylnaphthalocyaninato) europium (III) Complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57062 Thu 29 Sep 2022 16:46:30 SAST ]]> Cobalt (II) porphyrazine catalysed reduction of nitrite https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57061 Thu 29 Sep 2022 16:44:02 SAST ]]> Electrocatalysis of oxidation of 2-mercaptoethanol, L-cysteine and reduced glutathione by adsorbed and electrodeposited cobalt tetra phenoxypyrrole and tetra ethoxythiophene substituted phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6593 Thu 13 May 2021 04:28:09 SAST ]]> The effect of structure on the electrochemical properties of 14 marine pyrroloquinoline metabolites https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56242 Thu 08 Sep 2022 22:07:59 SAST ]]> Synthesis, electrochemical and electrocatalytic behaviour of thiophene-appended cobalt, manganese and zinc phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56238 Thu 08 Sep 2022 22:02:22 SAST ]]> Photophysical properties of a water-soluble adjacently substituted bisnaphthalophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56237 Thu 08 Sep 2022 21:59:32 SAST ]]> Electrocatalytic oxidation and detection of hydrazine at gold electrode modified with iron phthalocyanine complex linked to mercaptopyridine self-assembled monolayer https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56235 Thu 08 Sep 2022 21:54:21 SAST ]]> Comparative electrochemistry and electrocatalytic activities of cobalt, iron and manganese phthalocyanine complexes axially co-ordinated to mercaptopyridine self-assembled monolayer at gold electrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56234 MnPc > CoPc. This finding is remarkable as it suggests that the success of using this method of self-assembling of MPc onto gold electrode is largely dependent on the bond distance between the pyridine linker and the central metal of the MPc; the shorter the distance, the faster the co-ordination and the better the electrocatalytic properties towards L-cysteine and thiocyanate. Thus, the superiority of FePc-based SAM over those of the MnPc and CoPc, has been proposed to be the result of the more favorable axial co-ordination properties of FePc with pyridine (i.e. shorter Fe–N(pyridine) bond length.]]> Thu 08 Sep 2022 21:51:41 SAST ]]> Comparative efficiency of immobilized non-transition metal phthalocyanine photosensitizers for the visible light transformation of chlorophenols https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56233 SiPcSmix > SnPcSmix > ZnPcSmix > GePcSmix > ZnPcS4 > AlPcSmix > AlOCPc > AlPcS4. The generation of singlet oxygen (1O2) by these immobilized MPc photosensitizers was found to play a major role in their photoactivities towards the transformation of these chlorophenols. Langmuir–Hinshelwood (L–H) kinetic model studies showed that the ZnOCPc, GePcSmix and ZnPcSmix photocatalysis occurred on the catalysts surface. © 2005 Elsevier B.V. All rights reserved.]]> Thu 08 Sep 2022 21:47:25 SAST ]]> Synthesis and photophysical properties of a covalently linked porphyrin-phthalocyanine conjugate https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57922 Sun 30 Oct 2022 17:44:06 SAST ]]> Immobilized cobalt (II) phthalocyanine–cobalt (II) porphyrin pentamer at a glassy carbon electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57916 Sun 30 Oct 2022 17:32:40 SAST ]]> Electrochemical and catalytic properties of chromium tetraaminophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57915 Sun 30 Oct 2022 17:30:59 SAST ]]> Determination of 2′, 3′-Dideoxyinosine Using Iron (II) Phthalocyanine Modified Carbon Paste Electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57914 Sun 30 Oct 2022 17:29:05 SAST ]]> Synthesis, photophysicochemical studies of adjacently tetrasubstituted binaphthalo-phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56616 Mon 19 Sep 2022 21:46:09 SAST ]]> Surface electrochemistry of iron phthalocyanine axially ligated to 4-mercaptopyridine self-assembled monolayers at gold electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56615 Mon 19 Sep 2022 21:44:38 SAST ]]> Photophysical and photochemical studies of sulphonated non-transition metal phthalocyanines in aqueous and non-aqueous media https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56614 SiPcSmix > GePcSmix > ZnPcSmix > SnPcSmix which is the order of the extinction coefficients (of the low energy band for complexes with split Q-band) of these molecules. The rate constants for fluorescence, intersystem crossing, internal conversion, and photodegradation were determined from the hydroquinone quenching data.]]> Mon 19 Sep 2022 21:42:05 SAST ]]> Photochemical and photophysical properties of pentoxy-and naphthaloxy appended magnesium and zinc phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56613 Mon 19 Sep 2022 21:39:55 SAST ]]> Hydrogen peroxide oxidation of 2-chlorophenol and 2, 4, 5-trichlorophenol catalyzed by monomeric and aggregated cobalt tetrasulfophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56612 Mon 19 Sep 2022 21:37:27 SAST ]]> Adsorptive cathodic stripping voltammetric determination of gold (III) in the presence of yeast mannan https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57060 Mon 03 Apr 2023 10:20:32 SAST ]]> Photoassisted reduction of thionyl chloride by neodymium, europium, thulium and lutetium diphthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57101 10−2 mol dm−3) , two electron oxidation of the [Pc (−2) LnPc (−2) ] − species directly to [Pc (−1) LnPc (−1) ] + occurs.]]> Fri 30 Sep 2022 10:01:11 SAST ]]> Interaction of nitric oxide with cobalt (II) phthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57100 Fri 30 Sep 2022 09:56:59 SAST ]]> The study of the interactions of cobalt (II) tetrasulfophthalocyanine with cysteine and histidine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57087 Fri 30 Sep 2022 06:09:09 SAST ]]> The reaction of cyanide with iron (II) hexadecachlorophthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57086 Fri 30 Sep 2022 06:05:20 SAST ]]> Voltammetric determination of nitric oxide on cobalt phthalocyanine modified microelectrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56893 Fri 23 Sep 2022 14:56:12 SAST ]]> Spectroscopic studies of the interaction of cobalt (II) N, N', N ″, N‴-tetramethyltetra-3, 4-pyridinoporphyrazine with amino acids and nitrogen oxides https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56892 Fri 23 Sep 2022 14:54:24 SAST ]]> Simultaneous voltammetric determination of dopamine and serotonin on carbon paste electrodes modified with iron (II) phthalocyanine complexes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56891 Fri 23 Sep 2022 14:51:59 SAST ]]> Silicon octaphenoxyphthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56890 Fri 23 Sep 2022 14:49:43 SAST ]]> Photochemical studies of tetra-2, 3-pyridinoporphyrazines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56889 Fri 23 Sep 2022 14:47:23 SAST ]]> Interaction of serotonin and melatonin with sodium, potassium, calcium, lithium and aluminium https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56886 K+>Al3+>Na+>Ca2+. The trend for melatonin–metal complexes was K+>Li+>Na+>Al3+>Ca2+. The binding and stable complex formation between both ligands, serotonin and melatonin with lithium, potassium and sodium is of biological importance. The binding of serotonin to lithium could provide an explanation for the therapeutic effects of lithium in depression treatment, whereas the binding of aluminium by melatonin could provide insight into the role of this element in the aetiology of Alzheimer's disease.]]> Fri 23 Sep 2022 14:43:22 SAST ]]> Effect of oligomerization on the photochemical properties of silicon octaphenoxyphthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56885 Fri 23 Sep 2022 14:40:38 SAST ]]> Construction and characterization of carbon paste ultra-microelectrodes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56884 Fri 23 Sep 2022 14:37:23 SAST ]]> Comparative photosensitised transformation of polychlorophenols with different sulphonated metallophthalocyanine complexes in aqueous medium https://commons.ufh.ac.za/vital/access/manager/Repository/vital:56883 Fri 23 Sep 2022 14:35:53 SAST ]]> Melatonin generates singlet oxygen on laser irradiation but acts as a quencher when irradiated by lamp photolysis https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57917 Fri 18 Nov 2022 06:19:05 SAST ]]>