https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Electrocatalytic activity of manganese tetra 4-aminophenyl porphyrin in the presence of graphene quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49888 Wed 13 Apr 2022 15:12:27 SAST ]]> Electrochemical Detection of Nitrite on Electrodes Modified by Click Chemistry Using Asymmetrical Co (II) and Mn (III) Phthalocyanines Containing Push-Pull Substituents https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49886 Wed 13 Apr 2022 15:04:37 SAST ]]> Electrocatalytic activity of Schiff base containing copper phthalocyanines towards the detection of catechol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49885 Wed 13 Apr 2022 14:54:21 SAST ]]> Photo-sonodynamic combination activity of cationic morpholino-phthalocyanines conjugated to nitrogen and nitrogen-sulfur doped graphene quantum dots against MCF-7 breast cancer cell line in vitro https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49878 Wed 13 Apr 2022 13:52:11 SAST ]]> Electrografting of isophthalic acid monolayer and covalent attachment of antibody onto carbon surfaces https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49879 Wed 12 Apr 2023 16:44:29 SAST ]]> Nanohybrid electrocatalyst based on cobalt phthalocyanine-carbon nanotube-reduced graphene oxide for ultrasensitive detection of glucose in human saliva https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49880 Wed 12 Apr 2023 16:44:28 SAST ]]> Visible light responsive TiO2-graphene oxide nanosheets-Zn phthalocyanine ternary heterojunction assisted photoelectrocatalytic degradation of Orange G https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44387 Wed 12 Apr 2023 16:44:27 SAST ]]> Disilane-bridged architectures with high optical transparency for optical limiting https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45011 Wed 03 Nov 2021 22:41:10 SAST ]]> Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2 https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45010 Wed 03 Nov 2021 22:29:35 SAST ]]> Positively charged styryl pyridine substituted Zn (II) Phthalocyanines for Photodynamic Therapy and Photoantimicrobial Chemotherapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45009 Wed 03 Nov 2021 22:19:01 SAST ]]> Synthesis, theoretical calculations and laser flash photolysis studies of selected amphiphilic porphyrin derivatives used as biofilm photodegradative materials https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45008 9 for E. coli and S. aureus planktonic cells. The quaternized derivatives are found to have higher ability to significantly suppress the biofilms of both S. aureus and E. coli in vitro. Therefore, this demonstrates that they are potentially suitable photosensitive agents for PACT use. The TD-B3LYP/LanL2DZ calculations were performed to evaluate the singlet excitation energies of quaternized and non-quaternized porphyrins in vacuo. Our study shows excellent agreement between time-dependent density-functional theory (TD-DFT) excited energies and experimental S1 > S0 excitation energies. The small deviation observed between the calculated and experimental spectra arises from the solvent effect. The excitation energies observed in these UV-visible spectra mostly originated from electron promotion between the highest occupied molecular orbital (HOMO) for the less intense band and the HOMO−1 for the most intense band of the ground states to the lower unoccupied molecular orbital (LUMO) of the excited states.]]> Wed 03 Nov 2021 22:10:59 SAST ]]> Thien-2-yl substituted chlorins as photosensitizers for photodynamic therapy and photodynamic antimicrobial chemotherapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45007 Wed 03 Nov 2021 22:02:28 SAST ]]> Naked Eye and Colorimetric Detection of Cyanide with a 1, 3‐Diethyl‐2‐thiobarbituric Acid Substituted Ferrocene Chemosensor https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45006 Wed 03 Nov 2021 21:55:31 SAST ]]> Photocytotoxicity of heavy-atom-free thiobarbituric acid functionalized pyrene derivatives against MCF-7 cancer cells https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45005 Wed 03 Nov 2021 21:44:14 SAST ]]> Photodynamic antimicrobial action of asymmetrical porphyrins functionalized silver-detonation nanodiamonds nanoplatforms for the suppression of Staphylococcus aureus planktonic cells and biofilms https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45004 Wed 03 Nov 2021 20:59:57 SAST ]]> Photophysicochemical behaviour of phenoxy propanoic acid functionalised zinc phthalocyanines when grafted onto iron oxide and silica nanoparticles: Effects in photodynamic antimicrobial chemotherapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44389 Wed 01 Sep 2021 14:26:03 SAST ]]> Aluminum corrosion retardation properties of acetamidophenoxy phthalocyanines: Effect of central metal https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44386 4 > 3. These compounds exhibited good corrosion inhibition performance as mixed-type corrosion inhibitors. All applied techniques gave results which corroborated.]]> Wed 01 Sep 2021 14:05:42 SAST ]]> Ball-type phthalocyanines and reduced graphene oxide nanoparticles as separate and combined corrosion inhibitors of aluminium in HCl https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44385 Wed 01 Sep 2021 13:51:56 SAST ]]> Promising photodynamic antimicrobial activity of polyimine substituted zinc phthalocyanine and its polycationic derivative when conjugated to nitrogen, sulfur, co-doped graphene quantum dots against Staphylococcus aureus https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44363 Tue 31 Aug 2021 14:40:49 SAST ]]> Borneol-triarylcorrole hybrids with chiral-optical response and anticancer behaviours https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44362 Tue 31 Aug 2021 14:27:57 SAST ]]> Electrocatalytic activity of a push pull Co (II) phthalocyanine in the presence of graphitic carbon nitride quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44530 Tue 21 Sep 2021 11:47:00 SAST ]]> Photodynamic therapy activities of phthalocyanine-based macromolecular photosensitizers on MCF-7 breast cancer cells https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44407 Tue 18 Jul 2023 23:02:01 SAST ]]> The photophysicochemical properties and photodynamic therapy activity of Schiff base substituted phthalocyanines doped into silica nanoparticles and conjugated to folic acid https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44384 80%. The folic acid conjugates, MPc@SiNPs-FA showed greater photocytoxicity against MCF-7 cells upon irradiation with laser light.]]> Tue 07 Sep 2021 11:56:46 SAST ]]> The improved antibacterial efficiency of a zinc phthalocyanine when embedded on silver nanoparticle modified silica nanofibers https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44423 Thu 11 Aug 2022 12:32:30 SAST ]]> Effect of ultrasonic frequency and power on the sonodynamic therapy activity of cationic Zn (II) phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44419 Thu 11 Aug 2022 12:31:46 SAST ]]> Creating the Ideal Push-Pull System for Electrocatalysis A Comparative Study on Symmetrical and Asymmetrical Cardanol-based Cobalt Phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44452 Thu 09 Sep 2021 12:10:28 SAST ]]> Photocatalytic desulfurization of dibenzothiophene using asymmetrical zinc (II) phthalocyanines conjugated to silver-magnetic nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44451 Thu 09 Sep 2021 12:00:07 SAST ]]> Impact of axial ligation on photophysical and photodynamic antimicrobial properties of indium (III) methylsulfanylphenyl porphyrin complexes linked to silver-capped copper ferrite magnetic nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44450 Thu 09 Sep 2021 11:52:51 SAST ]]> The antibody assisted detection of HER2 on a cobalt porphyrin binuclear framework and gold functionalized graphene quantum dots modified electrode https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44449 Thu 09 Sep 2021 11:37:32 SAST ]]> Photodynamic activity of Sn (IV) tetrathien-2-ylchlorin against MCF-7 breast cancer cells https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44448 27.8 after irradiation with a 660 nm Thorlabs LED (280 mW cm−2). The results demonstrate that Sn(IV) tetraarylchlorins of this type are suitable candidates for further in-depth PDT studies.]]> Thu 09 Sep 2021 11:28:32 SAST ]]> A heavy-atom-free π-extended N-confused porphyrin as a photosensitizer for photodynamic therapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44447 Thu 09 Sep 2021 11:18:21 SAST ]]> The modulation of the photophysical and photodynamic therapy activities of a phthalocyanine by detonation nanodiamonds: Comparison with graphene quantum dots and carbon nanodots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44525 Mon 20 Sep 2021 14:03:02 SAST ]]> Photophysicochemical properties of nanoconjugates of zinc (II) 2 (3)-mono-2-(4-oxy) phenoxy) acetic acid phthalocyanine with cysteamine capped silver and silver–gold nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44764 Mon 13 Nov 2023 20:14:37 SAST ]]> Synthesis of a near infrared-actuated phthalocyanine-lipid vesicle system for augmented photodynamic therapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44383 Mon 13 Nov 2023 19:52:27 SAST ]]> Photodynamic activity of 2, 6-dibrominated dimethylaminophenylbuta-1, 3-dienylBODIPY dyes https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45030 50 μμM. Both dyes exhibited minimal dark toxicity. The results demonstrate that monosubstituted 2,6-dibromo-dimethylaminophenylbuta-1,3-dienylBODIPY dyes merit further in-depth study for use as photosensitizer dyes in photodynamic therapy.]]> Mon 13 Nov 2023 19:51:35 SAST ]]> Folic acid-modified phthalocyanine-nanozyme loaded liposomes for targeted photodynamic therapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:49881 Mon 13 Nov 2023 19:50:46 SAST ]]> Overcoming hurdles facing researchers in Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:42828 Mon 05 Jul 2021 15:19:46 SAST ]]> Enhanced upconversion emission of Er3+-Yb3+ co-doped Ba5 (PO4) 3OH powder phosphor for application in photodynamic therapy https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44318 Fri 27 Aug 2021 12:09:26 SAST ]]> Amphiphilic axially modified cationic indium-porphyrins linked to hydrophilic magnetic nanoparticles for photodynamic antimicrobial chemotherapy against gram-negative strain; Escherichia coli https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44317 Fri 27 Aug 2021 11:51:36 SAST ]]> The electrochemical detection of prostate specific antigen on glassy carbon electrode modified with combinations of graphene quantum dots, cobalt phthalocyanine and an aptamer https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44316 Fri 27 Aug 2021 11:41:40 SAST ]]> The effects of the composition and structure of quantum dots combined with cobalt phthalocyanine and an aptamer on the electrochemical detection of prostate specific antigen https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44315 Fri 27 Aug 2021 11:24:03 SAST ]]> Asymmetrical zinc (II) phthalocyanines cobalt tungstate nanomaterial conjugates for photodegradation of methylene blue https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44314 Fri 27 Aug 2021 11:14:56 SAST ]]> The photodynamic activities of the gold nanoparticle conjugates of phosphorus (V) and gallium (III) A3 meso-triarylcorroles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44313 18.5 and 20.8, respectively, for the meso-thienyl-substituted 2b-AuNP and 2c-AuNP conjugates. Optical spectroscopy analyses demonstrate that this can be attributed to there being significantly less aggregation due to the presence of two trans-hydroxy axial ligands.]]> Fri 27 Aug 2021 10:55:17 SAST ]]> Push-pull type Co (III) corroles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45032 Fri 05 Nov 2021 12:30:09 SAST ]]> Modulation of the optical properties of chiral porphyrin dimers by introducing bridged chiral amide-bonds https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45031 Fri 05 Nov 2021 12:17:24 SAST ]]> Photocatalytic and solar radiation harvesting potential of a free-base porphyrin-zinc (II) phthalocyanine heterodyad functionalized polystyrene polymer membrane for the degradation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44422 Fri 03 Sep 2021 16:57:53 SAST ]]> Photocatalytic desulfurization of dibenzothiophene using methoxy substituted asymmetrical zinc (II) phthalocyanines conjugated to metal tungstate nanomaterials https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44421 Fri 03 Sep 2021 16:51:20 SAST ]]> Electrocatalytic detection of l-cysteine using molybdenum POM doped-HKUST-1 metal organic frameworks https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44420 Fri 03 Sep 2021 16:44:14 SAST ]]> Electrochemical detection of dopamine using phthalocyanine-nitrogen-doped graphene quantum dot conjugates https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44418 Fri 03 Sep 2021 16:24:30 SAST ]]> Enhanced photo-ablation effect of positively charged phthalocyanines-detonation nanodiamonds nanoplatforms for the suppression of Staphylococcus aureus and Escherichia coli planktonic cells and biofilms https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44417  9 for E. coli and S. aureus. The quaternized derivatives were found to have higher ability to completely suppress both planktonic and biofilms of S. aureus and E. coli in vitro. Therefore, they could be used as appropriate photosensitive agents.]]> Fri 03 Sep 2021 16:16:22 SAST ]]> Electrocatalytic Activity of Cobalt Phthalocyanines Revisited: Effect of the Number of Oxygen Atoms and Conjugation to Carbon Nanomaterials https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44416 Fri 03 Sep 2021 16:08:07 SAST ]]> Photodynamic inactivation of Staphylococcus Aureus with Schiff base substituted Zinc phthalocyanines through conjugation to silver nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44415 Fri 03 Sep 2021 15:47:54 SAST ]]> The photodynamic activities of the gold nanoparticle conjugates of phosphorus (V) and gallium (III) A3 meso-triarylcorroles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44409 18.5 and 20.8, respectively, for the meso-thienyl-substituted 2b-AuNP and 2c-AuNP conjugates. Optical spectroscopy analyses demonstrate that this can be attributed to there being significantly less aggregation due to the presence of two trans-hydroxy axial ligands.]]> Fri 03 Sep 2021 15:20:44 SAST ]]> The antibacterial and antifungal properties of neutral, octacationic and hexadecacationic Zn phthalocyanines when conjugated to silver nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44408 Fri 03 Sep 2021 12:34:59 SAST ]]> Turn-on detection of cysteine by a donor-acceptor type quinoline fluorophore: Exploring the sensing strategy and performance in bioimaging https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44406 Fri 03 Sep 2021 11:27:27 SAST ]]>