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Paul Joseph Dyson

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Publications associées (669)

A Gibeon meteorite yields a high-performance water oxidation electrocatalyst

Paul Joseph Dyson, Arnaud Magrez, Kevin Sivula, Florian Le Formal, Wiktor Stefan Bourée, Charlotte Marie Sornay, Julie Voit, Aswin Gopakumar, Mathieu Steven Prévot, Nestor Guijarro Carratala

Examining the electrocatalytic performance of naturally-occurring metallic minerals is of interest for energy conversion applications given their unique atomic composition and formation history. Herein, we report the electrocatalytic function of an iron-ba ...

2016

Chlorambucil conjugates of dinuclear p-cymene ruthenium trithiolato complexes: synthesis, characterization and cytotoxicity study in vitro and in vivo

Paul Joseph Dyson, Patrycja Nowak-Sliwinska

Four diruthenium trithiolato chlorambucil conjugates have been prepared via Steglich esterification from chlorambucil and the corresponding trithiolato precursors. All conjugates are highly cytotoxic towards human ovarian A2780 and A2780cisR cancer cell li ...

Springer Verlag2016

From Sunscreen to Anticancer Agent: Ruthenium(II) Arene Avobenzone Complexes Display Potent Anticancer Activity

Rosario Scopelliti, Paul Joseph Dyson, Tina Riedel, Agnese Petrini

A series of ruthenium(II) arene derivatives (arene = cymene (cym), hexamethylbenzene (hmb)) containing avobenzone (1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione, AVBH) and PTA (1,3,5-triaza-7-phosphaadamantane) or PTA-Me (N-methyl-1,3,5-triaz ...

American Chemical Society2016

Nonsteroidal Anti-inflammatory-Organometallic Anticancer Compounds

Rosario Scopelliti, Paul Joseph Dyson, Emilia Paunescu, Mylène Soudani, Sarah Mcarthur

Compounds that combine metal-based drugs with covalently linked targeted organic agents have been shown, in some instances, to exhibit superior anticancer properties compared to the individual counterparts. Within this framework, we prepared a series of or ...

Amer Chemical Soc2016

Functionalized Ionic (Poly)Styrenes and their Application as Catalysts in the Cycloaddition of CO2 to Epoxides

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Felix Daniel Bobbink, Shoubhik Das

Valorization of CO2, an abundant C(1) synthon, into platform chemicals is of growing interest. In this context, a key reaction is the cycloaddition of CO2 to epoxides to form carbonates (CCE). A series of organocatalysts for this reaction, based on imidazo ...

Wiley-Blackwell2016

Unconventional Tough Double-Network Hydrogels with Rapid Mechanical Recovery, Self-Healing, and Self-Gluing Properties

Paul Joseph Dyson, Zhaofu Fei, Zhangjun Huang, Haiyan Jia, Xunhui Wang

Hydrogels are polymeric materials that have a relatively high capacity for holding water. Recently, a double network (DN) technique was developed to fabricate hydrogels with a toughness comparable to rubber. The mechanical properties of DN hydrogels may be ...

Amer Chemical Soc2016

Synthesis of carbonates and related compounds incorporating CO2 using ionic liquid-type catalysts: State-of-the-art and beyond

Paul Joseph Dyson, Felix Daniel Bobbink

The production of carbonates from carbon dioxide and epoxides is an atom-economical, scalable and industrially relevant reaction, highlighting the use of carbon dioxide as a sustainable source of carbon. Following a brief introduction on cyclic carbonates ...

Elsevier2016

Solvation of Palladium Clusters in an Ionic Liquid: A QM/MM Molecular Dynamics Study

Paul Joseph Dyson

The mechanism of solvation and stabilization of palladium nanoparticles in the 1,3-dimethylimidazolium tetrafluoroborate ionic liquid (IL) has been studied using a combination of density functional theory and molecular dynamics (MD) simulations-with hybrid ...

Amer Chemical Soc2016

A simple catalyst for aqueous phase Suzuki reactions based on palladium nanoparticles immobilized on an ionic polymer

Gabor Laurenczy, Paul Joseph Dyson, Zhaofu Fei, Emilia Paunescu, Saeideh Ghazali Esfahani

Palladium nanoparticles immobilized on a cross-linked imidazolium-containing polymer were evaluated as a catalyst for Suzuki carbon-carbon cross-coupling reactions using water as the solvent. The nanocatalysts show good catalytic activities for aryl iodide ...

Science Press2016

A Rhodium Nanoparticle-Lewis Acidic Ionic Liquid Catalyst for the Chemoselective Reduction of Heteroarenes

Paul Joseph Dyson, Ismail Akçok, Alena Karakulina, Shoubhik Das, Aswin Gopakumar, Bastien Lucas Roulier

We describe a catalytic system composed of rhodium nanoparticles immobilized in a Lewis acidic ionic liquid. The combined system catalyzes the hydrogenation of quinolines, pyridines, benzofurans, and furan to access the corresponding heterocycles, importan ...

Wiley-VCH Verlag GmbH2016

Editorial

Paul Joseph Dyson, Anne-Clémence Corminboeuf

Swiss Chemical Soc2016

Metal-based drugs that break the rules

Paul Joseph Dyson, Claire Samantha Allardyce

Cisplatin and other platinum compounds have had a huge impact in the treatment of cancers and are applied in the majority of anticancer chemotherapeutic regimens. The success of these compounds has biased the approaches used to discover new metal-based ant ...

2016

A streamlined search technology for identification of synergistic drug combinations

Hubert van den Bergh, Paul Joseph Dyson, Patrycja Nowak-Sliwinska

A major key to improvement of cancer therapy is the combination of drugs. Mixing drugs that already exist on the market may offer an attractive alternative. Here we report on a new model-based streamlined feedback system control (s-FSC) method, based on a ...

Nature Publishing Group2015

NanoSIMS analysis of an isotopically labelled organometallic ruthenium(II) drug to probe its distribution and state in vitro

Kai Johnsson, Paul Joseph Dyson, Graham Knott, Mary-Claude Croisier-Coeytaux, Anders Meibom, Stéphane Laurent Escrig

The in vitro inter-and intra-cellular distribution of an isotopically labelled ruthenium(II)-arene (RAPTA) anti-metastatic compound in human ovarian cancer cells was imaged using nano-scale secondary ion mass spectrometry (NanoSIMS). Ultra-high resolution ...

Royal Society of Chemistry2015

Antiangiogenic and Anticancer Properties of Bifunctional Ruthenium(II)-p-Cymene Complexes: Influence of Pendant Perfluorous Chains

Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Catherine Marie Amélie Clavel, Emilia Paunescu, Marije Trudi Te Winkel

Two bifunctional ruthenium(II)-p-cymene complexes with perfluorinated side chains, attached via pyridine ligands, have been evaluated in a series of in vitro and in vivo assays. Their effects on human endothelial (ECRF24 and HUVEC) cells, noncancerous huma ...

Amer Chemical Soc2015

Organometallic rhodium(III) and iridium(III) cyclopentadienyl complexes with curcumin and bisdemethoxycurcumin co-ligands

Rosario Scopelliti, Paul Joseph Dyson, Tina Riedel, Agnese Petrini

A series of half-sandwich cyclopentadienyl rhodium(III) and iridium(III) complexes of the type [CpM(curc/bdcurc) Cl] and [CpM(curc/bdcurc)(PTA)][SO3CF3], in which Cp* = pentamethylcyclopentadienyl, curcH = curcumin and bdcurcH = bisdemethoxycurcumin as O ...

2015

Anticancer Organometallic Osmium(II)-p-cymene Complexes

Rosario Scopelliti, Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Catherine Marie Amélie Clavel, Emilia Paunescu

Osmium compounds are attracting increasing attention as potential anticancer drugs. In this context, a series of bifunctional organometallic osmium(II)-p-cymene complexes functionalized with alkyl or perfluoroalkyl groups were prepared and screened for the ...

Wiley-V C H Verlag Gmbh2015

Palladium-Catalyzed Aminocarbonylation of Alkynes to Succinimides

Paul Joseph Dyson, Pui Shan Genevieve Lau, Huizhen Liu

Succinimide derivatives are useful building blocks for the synthesis of natural products and drugs. We describe an efficient route to succinimide derivatives comprising Pd(xantphos)Cl2-catalyzed aminocarbonylation of alkynes with aromatic or aliphatic amin ...

Amer Chemical Soc2015

Development of a conjugated polyaniline incorporated electrospun poly(vinylidene fluoride-co-hexafluoropropylene) composite membrane electrolyte for high performance dye-sensitized solar cells

Paul Joseph Dyson, Zhaofu Fei

Different weight percentage (2, 3, 4, and 5 wt %) of polyaniline (PANI) were incorporated into electrospun poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) composite membranes (esCPMs). The regular morphology, molecular structure, crystallinity, ...

Wiley-Blackwell2015

Synthesis of Triazenes with Nitrous Oxide

Kay Severin, Rosario Scopelliti, Paul Joseph Dyson, Gregor Kiefer, Tina Riedel

Triazenes are valuable compounds in organic chemistry and numerous applications have been reported. Furthermore, triazenes have been investigated extensively as potential antitumor drugs. Here, we describe a new method for the synthesis of triazenes. The p ...

Wiley-Blackwell2015

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