Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand

Mewis, Ryan E.; Savoie, Huguette; Archibald, Stephen J.; Boyle, Ross W.

doi:10.1016/j.pdpdt.2009.08.002

Immobilized photosensitizers for antimicrobial applications (2015)
Journal Article
Spagnul, C., Turner, L. C., & Boyle, R. W. (2015). Immobilized photosensitizers for antimicrobial applications. Journal of photochemistry and photobiology. B, Biology, 150(September), 11-30. https://doi.org/10.1016/j.jphotobiol.2015.04.021

Photodynamic antimicrobial chemotherapy (PACT) is a very promising alternative to conventional antibiotics for the efficient inactivation of pathogenic microorganisms; this is due to the fact that it is virtually impossible for resistant strains to d... Read More about Immobilized photosensitizers for antimicrobial applications.

PET/PDT theranostics: Synthesis and biological evaluation of a peptide-targeted gallium porphyrin (2015)
Journal Article
Bryden, F., Savoie, H., Rosca, E. V., & Boyle, R. W. (2015). PET/PDT theranostics: Synthesis and biological evaluation of a peptide-targeted gallium porphyrin. Dalton Transactions : an international journal of inorganic chemistry, 44(11), 4925-4932. https://doi.org/10.1039/c4dt02949f

The development of novel theranostic agents is an important step in the pathway towards personalised medicine, with the combination of diagnostic and therapeutic modalities into a single treatment agent naturally lending itself to the optimisation an... Read More about PET/PDT theranostics: Synthesis and biological evaluation of a peptide-targeted gallium porphyrin.

Conjugatable water-soluble Pt(ii) and Pd(ii) porphyrin complexes: Novel nano- and molecular probes for optical oxygen tension measurement in tissue engineering (2014)
Journal Article
Giuntini, F., Chauhan, V. M., Aylott, J. W., Rosser, G. A., Athanasiadis, A., Beeby, A., …Boyle, R. W. (2014). Conjugatable water-soluble Pt(ii) and Pd(ii) porphyrin complexes: Novel nano- and molecular probes for optical oxygen tension measurement in tissue engineering. Photochemical & photobiological sciences : an international journal, 13(7), 1039-1051. https://doi.org/10.1039/c4pp00026a

Measurement of oxygen tension in compressed collagen sheets was performed using matrix-embedded optical oxygen sensors based on platinum(II) and palladium(II) porphyrins supported on polyacrylamide nanoparticles. Bespoke, fully water-soluble, mono-fu... Read More about Conjugatable water-soluble Pt(ii) and Pd(ii) porphyrin complexes: Novel nano- and molecular probes for optical oxygen tension measurement in tissue engineering.

Regioselective and stoichiometrically controlled conjugation of photodynamic sensitizers to a HER2 targeting antibody fragment (2014)
Journal Article
Bryden, F., Maruani, A., Savoie, H., Chudasama, V., Smith, M. E. B., Caddick, S., & Boyle, R. W. (2014). Regioselective and stoichiometrically controlled conjugation of photodynamic sensitizers to a HER2 targeting antibody fragment. Bioconjugate chemistry, 25(3), 611-617. https://doi.org/10.1021/bc5000324

The rapidly increasing interest in the synthesis of antibody–drug conjugates as powerful targeted anticancer agents demonstrates the growing appreciation of the power of antibodies and antibody fragments as highly selective targeting moieties. This t... Read More about Regioselective and stoichiometrically controlled conjugation of photodynamic sensitizers to a HER2 targeting antibody fragment.

Huisgen-based conjugation of water-soluble porphyrins to deprotected sugars: Towards mild strategies for the labelling of glycans (2014)
Journal Article
Giuntini, F., Bryden, F., Daly, R., Scanlan, E. M., & Boyle, R. W. (2014). Huisgen-based conjugation of water-soluble porphyrins to deprotected sugars: Towards mild strategies for the labelling of glycans. Organic & biomolecular chemistry, 12(8), 1203-1206. https://doi.org/10.1039/c3ob42306a

Fully deprotected alkynyl-functionalised mono- and oligosaccharides undergo CuAAC-based conjugation with water-soluble porphyrin azides in aqueous environments. The mild reaction conditions are fully compatible with the presence of labile glycosidic... Read More about Huisgen-based conjugation of water-soluble porphyrins to deprotected sugars: Towards mild strategies for the labelling of glycans.

A novel Bodipy-Dipyrrin fluorescent probe: Synthesis and recognition behaviour towards Fe (II) and Zn (II) (2012)
Journal Article
Kursunlu, A. N., Guler, E., Ucan, H. I., & Boyle, R. W. (2012). A novel Bodipy-Dipyrrin fluorescent probe: Synthesis and recognition behaviour towards Fe (II) and Zn (II). Dyes and pigments : an international journal, 94(3), 496-502. https://doi.org/10.1016/j.dyepig.2012.02.006

We present the design, synthesis, characterization and spectral studies for a new Zn (II) and Fe (II) selective fluorescent probe, 4,4-Difluoro-8-{3-[(4-phenoxy-dipyrromethene)propoxy]}-4-bora-3a,4a-diazaindacene (DPYBODPY). DPBODPY consists of a ter... Read More about A novel Bodipy-Dipyrrin fluorescent probe: Synthesis and recognition behaviour towards Fe (II) and Zn (II).

Orthogonally bifunctionalised polyacrylamide nanoparticles: a support for the assembly of multifunctional nanodevices (2012)
Journal Article
Giuntini, F., Dumoulin, F., Daly, R., Ahsen, V., Scanlan, E. M., Lavado, A. S. P., …Boyle, R. W. (2012). Orthogonally bifunctionalised polyacrylamide nanoparticles: a support for the assembly of multifunctional nanodevices. Nanoscale, 4(6), 2034-2045. https://doi.org/10.1039/c2nr11947a

Polyacrylamide nanoparticles bearing two orthogonal reactive functionalities were prepared by reverse microemulsion polymerisation. Water-soluble photosensitisers and peptide or carbohydrate moieties were sequentially attached to the new nanospecies... Read More about Orthogonally bifunctionalised polyacrylamide nanoparticles: a support for the assembly of multifunctional nanodevices.

Helimeric porphyrinoids: Stereostructure and chiral resolution of meso -tetraarylmorpholinochlorins (2011)
Journal Article
Brückner, C., Götz, D. C. G., Fox, S. P., Ryppa, C., McCarthy, J. R., Bruhn, T., …Bringmann, G. (2011). Helimeric porphyrinoids: Stereostructure and chiral resolution of meso -tetraarylmorpholinochlorins. Journal of the American Chemical Society, 133(22), 8740-8752. https://doi.org/10.1021/ja202451t

The synthesis and chiral resolution of free-base and Ni(II) complexes of a number of derivatives of meso-tetraphenylmorpholinochlorins, with and without direct β-carbon-to-o-phenyl linkages to the flanking phenyl groups, is described. The morpholinoc... Read More about Helimeric porphyrinoids: Stereostructure and chiral resolution of meso -tetraarylmorpholinochlorins.

Addressing fluorescence and liquid crystal behaviour in multi-mesogenic BODIPY materials (2011)
Journal Article
Benstead, M., Rosser, G. A., Beeby, A., Mehl, G. H., & Boyle, R. W. (2011). Addressing fluorescence and liquid crystal behaviour in multi-mesogenic BODIPY materials. New journal of chemistry = Nouveau journal de chimie, 35(7), 1410-1417. https://doi.org/10.1039/c0nj00990c

Two series of BODIPYs (4,4'-difluoro-3a, 4a-diaza-s-indacene) bearing mesogenic substituents have been synthesised and their fluorescent and self-assembly behaviour has been observed and characterised. In order to induce a strong preference for liqui... Read More about Addressing fluorescence and liquid crystal behaviour in multi-mesogenic BODIPY materials.

Identification of methicillin-resistant Staphylococcus aureus-specific peptides for targeted photoantimicrobial chemotherapy (2011)
Journal Article
Vince, R. V., Madden, L. A., Alonso, C. M., Savoie, H., Boyle, R. W., Todman, M., …Greenman, J. (2011). Identification of methicillin-resistant Staphylococcus aureus-specific peptides for targeted photoantimicrobial chemotherapy. Photochemical & photobiological sciences : an international journal, 10(4), 515-522. https://doi.org/10.1039/c0pp00267d

The increasing prevalence of multi-drug resistant bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA), necessitates development of alternative modes of bacterial targeting which are not hindered by antibiotic resistance and minimise... Read More about Identification of methicillin-resistant Staphylococcus aureus-specific peptides for targeted photoantimicrobial chemotherapy.

4,4′-Difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) as components of novel light active materials (2011)
Journal Article
Benstead, M., Mehl, G. H., & Boyle, R. W. (2011). 4,4′-Difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) as components of novel light active materials. Tetrahedron, 67(20), 3573-3601. https://doi.org/10.1016/j.tet.2011.03.028

Applications of BODIPY fluorophores as components of light active materials are reviewed.

Polyacrylamide nanoparticles as a delivery system in photodynamic therapy (2011)
Journal Article
Kuruppuarachchi, M., Lowry, A., Savoie, H., Alonso, C., & Boyle, R. W. (2011). Polyacrylamide nanoparticles as a delivery system in photodynamic therapy. Molecular pharmaceutics, 8(3), 920-931. https://doi.org/10.1021/mp200023y

Nanoparticles can be targeted towards, and accumulate in, tumor tissue by the enhanced permeability and retention effect, if sequestration by the reticuloendothelial system (RES) is avoided. The application of nanoparticles in the field of drug deliv... Read More about Polyacrylamide nanoparticles as a delivery system in photodynamic therapy.

A chemically modified antibody mediates complete eradication of tumours by selective disruption of tumour blood vessels (2011)
Journal Article
Palumbo, A., Hauler, F., Dziunycz, P., Schwager, K., Soltermann, A., Pretto, F., …Neri, D. (2011). A chemically modified antibody mediates complete eradication of tumours by selective disruption of tumour blood vessels. The British Journal of Cancer, 104(7), 1106-1115. https://doi.org/10.1038/bjc.2011.78

Background:The possibility of eradicating cancer by selective destruction of tumour blood vessels may represent an attractive therapeutic avenue, but most pharmaceutical agents investigated so far did not achieve complete cures and are not completely... Read More about A chemically modified antibody mediates complete eradication of tumours by selective disruption of tumour blood vessels.

Mesogenic BODIPYs: An investigation of the correlation between liquid crystalline behaviour and fluorescence intensity (2011)
Journal Article
Benstead, M., Beeby, A., Rosser, G. A., Mehl, G. H., & Boyle, R. W. (2011). Mesogenic BODIPYs: An investigation of the correlation between liquid crystalline behaviour and fluorescence intensity. Photochemical & photobiological sciences : an international journal, 10(6), 992-999. https://doi.org/10.1039/c0pp00388c

A series of mesogenic molecules based on the 4,4¢-di?uoro-3a,4a-diaza-s-indacene (BODIPY) ?uorophore have been synthesised and characterised. Each compound consists of one mesogenic unit, based on a cyanobiphenyl core, and one ?uorophore, of varying... Read More about Mesogenic BODIPYs: An investigation of the correlation between liquid crystalline behaviour and fluorescence intensity.

A set of highly water-soluble tetraethyleneglycol-substituted Zn(ii) phthalocyanines: synthesis, photochemical and photophysical properties, interaction with plasma proteins and in vitro phototoxicity (2010)
Journal Article
Tuncel, S., Dumoulin, F., Gailer, J., Sooriyaarachchi, M., Atilla, D., Durmuş, M., …Ahsen, V. (2011). A set of highly water-soluble tetraethyleneglycol-substituted Zn(ii) phthalocyanines: synthesis, photochemical and photophysical properties, interaction with plasma proteins and in vitro phototoxicity. Dalton Transactions : an international journal of inorganic chemistry, 40(16), 4067-4079. https://doi.org/10.1039/c0dt01260b

Three Zn(II) phthalocyanines substituted by hydroxyl-terminated tetraethylene glycol chains have been synthesized. In order to evaluate the potential of these highly water-soluble phthalocyanines as type II-photosensitisers for photodynamic therapy,... Read More about A set of highly water-soluble tetraethyleneglycol-substituted Zn(ii) phthalocyanines: synthesis, photochemical and photophysical properties, interaction with plasma proteins and in vitro phototoxicity.

Mono- and tri-cationic porphyrin-monoclonal antibody conjugates: photodynamic activity and mechanism of action (2010)
Journal Article
Smith, K., Malatesti, N., Cauchon, N., Hunting, D., Lecomte, R., van Lier, J. E., …Boyle, R. W. (2011). Mono- and tri-cationic porphyrin-monoclonal antibody conjugates: photodynamic activity and mechanism of action. Immunology, 132(2), 256-265. https://doi.org/10.1111/j.1365-2567.2010.03359.x

Two cationic porphyrins bearing an isothiocyanate group for conjugation to monocolonal antibodies have been synthesized. The two porphyrins conjugated efficiently to three monoclonal antibodies (anti-CD104, anti-CD146 and anti-CD326), which recognize... Read More about Mono- and tri-cationic porphyrin-monoclonal antibody conjugates: photodynamic activity and mechanism of action.

Porphyrin-nanosensor conjugates. New tools for the measurement of intracellular response to reactive oxygen species (2010)
Journal Article
Josefsen, L. B., Aylott, J. W., Beeby, A., Warburton, P., Boyle, J. P., Peers, C., & Boyle, R. W. (2010). Porphyrin-nanosensor conjugates. New tools for the measurement of intracellular response to reactive oxygen species. Photochemical & photobiological sciences : an international journal, 9(6), 801-811. https://doi.org/10.1039/c0pp00004c

Reactive oxygen species (ROS) have for some time been implicated in the onset and progression of medical conditions including cancer, ageing, heart disease and Alzheimer's disease. Recently, it has been postulated that ROS play a much more subtle rol... Read More about Porphyrin-nanosensor conjugates. New tools for the measurement of intracellular response to reactive oxygen species.

Hydrogen bonded dimers vs. one-dimensional chains in 2-thiooxoimidazolidin-4-one (thiohydantoin) drug derivatives (2010)
Journal Article
Jha, S., Silversides, J. D., Boyle, R. W., & Archibald, S. J. (2010). Hydrogen bonded dimers vs. one-dimensional chains in 2-thiooxoimidazolidin-4-one (thiohydantoin) drug derivatives. CrystEngComm RSC, 12(6), 1730-1739. https://doi.org/10.1039/b924683e

Hydantoins have been known as medicinally active compounds since the 1940s and thiohydantoin derivatives are currently undergoing clinical trials as potent androgen receptor antagonist drugs. Control of solid state properties including the formation... Read More about Hydrogen bonded dimers vs. one-dimensional chains in 2-thiooxoimidazolidin-4-one (thiohydantoin) drug derivatives.

Site-specific and stoichiometric conjugation of cationic porphyrins to antiangiogenic monoclonal antibodies (2010)
Journal Article
Alonso, C. M. A., Palumbo, A., Bullous, A. J., Pretto, F., Neri, D., & Boyle, R. W. (2010). Site-specific and stoichiometric conjugation of cationic porphyrins to antiangiogenic monoclonal antibodies. Bioconjugate chemistry, 21(2), 302-313. https://doi.org/10.1021/bc9003537

Synthesis of three new cationic thiol-reactive maleimide-porphyrin derivatives and their use in site-specific conjugation to monoclonal antibodies is reported. The selective reactivity toward thiols is demonstrated using competition experiments, wher... Read More about Site-specific and stoichiometric conjugation of cationic porphyrins to antiangiogenic monoclonal antibodies.

Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand (2009)
Journal Article
Mewis, R. E., Savoie, H., Archibald, S. J., & Boyle, R. W. (2009). Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand. Photodiagnosis and Photodynamic Therapy, 6(3-4), 200-206. https://doi.org/10.1016/j.pdpdt.2009.08.002

Treatment of 5,10,15,20-tetra(pentafluorophenyl) porphyrins with polyethylene glycol (PEG) halides and sodium sulfide is a mild and efficient route to water-soluble PEG substituted porphyrins. The method has been used to access a series of free-base... Read More about Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand.

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