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Paul Joseph Dyson

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Related publications (669)

Synthesis of Methanol and Diols from CO2 via Cyclic Carbonates under Metal-Free, Ambient Pressure, and Solvent-Free Conditions

Paul Joseph Dyson, Felix Daniel Bobbink, Florent Menoud

2018

On the origin of the synergy between the Pt nanoparticles and MnO2 nanosheets in Wonton-like 3D nanozyme oxidase mimics

Paul Joseph Dyson, Zhaofu Fei, Lei Zhang, Jing Liu

Elsevier2018

Versatile coordination of acetazolamide to ruthenium(ii) p-cymene complexes and preliminary cytotoxicity studies

Paul Joseph Dyson, Lucinda Kate Batchelor

The carbonic anhydrase inhibitor acetazolamide (AcmH2) reacted with [(η6-p-cymene)RuCl(μ-Cl)]2 to afford [(η6-p-cymene)RuCl2(κN-AcmH2)], 1A, in near-quantitative yield. In methanol, 1A exists in equilibrium with 1B, being probably a coordination isomer, as ...

2018

Fluorescent Benzothiazinone Analogues Efficiently and Selectively Label Dpre1 in Mycobacteria and Actinobacteria

Paul Joseph Dyson, Thierry Laroche, John McKinney, Stewart Cole, Neeraj Dhar, Raphael Christopher Sommer, Joao Pedro De Almeida Neres, Raju Mukherjee, Jérémie Piton

Benzothiazinones (BTZ) are highly potent bactericidal inhibitors of mycobacteria and the lead compound, BTZ043, and the optimized drug candidate, PBTZ169, have potential for the treatment of tuberculosis. Here, we exploited the tractability of the BTZ scaf ...

2018

Efficient cleavage of aryl ether C–O linkages by Rh–Ni and Ru–Ni nanoscale catalysts operating in water

Paul Joseph Dyson, Vassily Hatzimanikatis, Duncan Thomas Lindsay Alexander, Ning Yan, Antoine Philippe Van Muyden, Safak Bulut, Georgios Savoglidis, Sviatlana Siankevich

Bimetallic Ru–Ni and Rh–Ni nanocatalysts coated with a phase transfer agent efficiently cleave aryl ether C–O linkages in water in the presence of hydrogen. For dimeric substrates with weaker C–O linkages, i.e. α-O-4 and β-O-4 bonds, low loadings of the pr ...

2018

Single-step conversion of lignin monomers to phenol: Bridging the gap between lignin and high-value chemicals

Paul Joseph Dyson, Ning Yan

Transformation of lignin into high-value chemicals is hampered by the complexity of monomers obtained from lignin depolymerization. Here we report a strategy, composed of hydro-demethoxylation and de-alkylation reactions, that is able to chemically converg ...

2018

Understanding the interactions of diruthenium anticancer agents with amino acids

Paul Joseph Dyson, Christian Hartinger, Alexey Nazarov, Muhammad Hanif

The dinuclear anticancer agents 1,n-bis{chlorido3-(oxo-kappa O)-2-methyl-4-(1H)-pyridinonato-kappa O4-ruthenium(II)}alkane (PyRu2n) exhibit high antiproliferative activity in human cancer cell. Reactivity studies with DNA and protein rev ...

SPRINGER2018

Low dose photodynamic therapy improves tumor vascular pericyte coverage and promotes chemotherapy distribution inmalignant pleural mesothelioma

Paul Joseph Dyson, Tina Riedel

WILEY2018

Chemo-manipulation of tumor blood vessels by a metal-based anticancer complex enhances antitumor therapy

Hubert van den Bergh, Paul Joseph Dyson, Tina Riedel

Human pleural mesothelioma is an incurable and chemoresistant cancer. Using a nude mouse xenograft model of human pleural mesothelioma, we show that RAPTA-T, a compound undergoing preclinical evaluation, enhances tumor vascular function by decreasing blood ...

Nature Research2018

Are pi-pi Interactions in Ionic Liquids Related to Conductivities?

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Farzaneh Fadaei Tirani, Zhangjun Huang

A series of functionalised imidazolium halide salts with substituents able to form pi-bonds have been prepared and characterised. Subsequent reaction of these imidazolium halides with Ag[C(CN)(3)] affords imidazolium-based ionic liquids (ILs), some of whic ...

WILEY-V C H VERLAG GMBH2018

Mechanistic Study of the N-Formylation of Amines with Carbon Dioxide and Hydrosilanes

Gabor Laurenczy, Paul Joseph Dyson, Martin Hulla

N-formylation of amines with CO2 and hydrosilane reducing agents proceeds via fast and complex chemical equilibria, which hinder easy analysis of the reaction pathways. In situ reaction monitoring and kinetic studies reveal that three proposed pathways, vi ...

2018

Design of ionic polymer catalysts for the synthesis of cyclic carbonates from CO2 and epoxides

Paul Joseph Dyson, Felix Daniel Bobbink

ACS2018

Synthesis, structural elucidation and biological activities of organotin(IV) derivatives of 4-(2-thienyl)butyric acid

Paul Joseph Dyson

A series of tri- and diorganotin(IV) derivatives of 4-(2-thienyl)butyric acid have been synthesized by the reaction of ligand acid with tri- and diorganotin salts in 1:1 and 2:1 molar ratios, respectively. The synthesized compounds have been confirmed by C ...

Springer2017

Promotion Effect of Alkali Metal Hydroxides on Polymer-Stabilized Pd Nanoparticles for Selective Hydrogenation of C–C Triple Bonds in Alkynols

Lioubov Kiwi, Paul Joseph Dyson, Jeremy Luterbacher, Florent Emmanuel Héroguel

Postimpregnation of Pd nanoparticles (NPs) stabilized within hyper-cross-linked polystyrene with sodium or potassium hydroxides of optimal concentration was found to significantly increase the catalytic activity for the partial hydrogenation of the C–C tri ...

American Chemical Society2017

Drug Combination for Treatment of Proliferative Diseases

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

Angiogenesis inhibitory drug combination obtained according to a specific algorithm, preferably a FSC, in which an initial combination of drugs is iteratively adjusted. The drug combination according to the invention may advantageously comprise a RAPTA-C c ...

2017

Highly selective immobilized bimetallic Ni-Au nanoparticle catalyst for the partial hydrogenation of m-dinitrobenzene

Lioubov Kiwi, Paul Joseph Dyson, Oliver Anthony Beswick, Fernando Cardenas Lizana, Daniel André Samuel Lamey

Transition metal nanoparticles (NPs) are extensively used as catalysts for a wide and diverse range of organic transformations when immobilized on appropriate solid supports. We describe the development of a highly active and highly selective heterogeneous ...

Elsevier Science Bv2017

Ionic polymers and use thereof in processing of biomass

Paul Joseph Dyson, Zhaofu Fei, Georgios Savoglidis, Sviatlana Siankevich

The invention provides ionic polymers (IP) consisting of anions and a polymeric backbone containing cations. The invention also provides the ionic polymers incorporated in membranes or attached to solid supports and use of the ionic polymers in processing ...

2017

Stepwise growth of gold coated cancer targeting carbon nanotubes for the precise delivery of doxorubicin combined with photothermal therapy

Paul Joseph Dyson, Zhaofu Fei

Combining doxorubicin with thermal therapy in the clinic has led to startling results in the treatment of problematic cancers. Here, we describe a multimo dal multi-walled carbon nanotube material that combines tumor targeting, doxorubicin delivery, and ph ...

Royal Society of Chemistry2017

Combination of ruthenium(II)-arene complex [Ru(eta(6)-p-cymene)Cl-2(pta)] (RAPTA-C) and the epidermal growth factor receptor inhibitor erlotinib results in efficient angiostatic and antitumor activity

Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Patrick Meraldi, Ume-Gulsoom Abdul

Ruthenium-based compounds show strong potential as anti-cancer drugs and are being investigated as alternatives to other well-established metal-based chemotherapeutics. The organometallic compound [Ru(eta(6)-p-cymene) Cl-2(pta)], where pta = 1,3,5-triaza-7 ...

Nature Research2017

MnO2 nanosheets as an artificial enzyme to mimic oxidase for rapid and sensitive detection of glutathione

Paul Joseph Dyson, Zhaofu Fei, Jing Liu

Nanozymes are increasingly used as components in assays and diagnostics. Here, we describe a rapid and highly sensitive colorimetric assay for the detection and quantification of glutathione (GSH) employing MnO2 nanosheets as an artificial oxidase. In the ...

Elsevier2017

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