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Paul Joseph Dyson

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Publications associées (669)

Towards Light-Activated Ruthenium-Arene (RAPTA-Type) Prodrug Candidates

Rosario Scopelliti, Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Anna Katherine Renfrew, Felix Daniel Bobbink

Cancer is currently one of the deadliest diseases worldwide. Based on the high incidence of this disease, the side effects associated with current chemotherapies and the appearance of drug resistance, considerable efforts have been directed towards the dev ...

WILEY-V C H VERLAG GMBH2019

Recent progress in the development of organometallics for the treatment of cancer

Paul Joseph Dyson, Benjamin Samuel Murray

From their early successes in medicine, organometallic compounds continue to attract interest as potential chemotherapeutics to treat a range of diseases. Here, we show from recent literature selected largely from the last two years that organometallics of ...

2019

Vascular-targeted low dose photodynamic therapy stabilizes tumor vessels by modulating pericyte contractility

Georges Wagnières, Matthieu Philippe Emmanuel Zellweger, Paul Joseph Dyson, Tina Riedel

Vascular-targeted low-dose photodynamic therapy (L-PDT) was shown to improve chemotherapy distribution in malignant pleural tumors such as malignant pleural mesothelioma (MPM). However, the mechanisms triggered by L-PDT on the tumor vasculature are still d ...

WILEY2019

Delineation of the Critical Parameters of Salt Catalysts in the N-Formylation of Amines with CO2

Paul Joseph Dyson, Daniel Ortiz Trujillo, Dmitry Vasilyev, Martin Hulla

N-formylation of amines with CO2 is base-catalyzed and studies of salt catalysts reveal that the reaction is efficiently catalyzed by "free" floating anions of high basicity, as represented in the cover image. More information can be found in the Full Pape ...

WILEY-V C H VERLAG GMBH2019

Discovery of a Highly Active Catalyst for Hydrogenolysis of C-O Bonds via Systematic, Multi-metallic Catalyst Screening

Paul Joseph Dyson, Ning Yan, Antoine Philippe Van Muyden, Sviatlana Siankevich

Hydrogenolysis of C-O bonds is a highly challenging reaction with the most efficient catalysts based on bimetallic assemblies. Systematic studies to identify the optimum metal combination have not been performed and, therefore, we designed a method to scre ...

Wiley-VCH Verlag2019

Lysozyme-Induced Transcriptional Regulation of TNF-alpha Pathway Genes in Cells of the Monocyte Lineage

Paul Joseph Dyson, Florence Armand, Romain Hamelin, Gianni Sava, Isabelle Mireille Claude Schepens

Lysozyme is one of the most important anti-bacterial effectors in the innate immune system of animals. Besides its direct antibacterial enzymatic activity, lysozyme displays other biological properties, pointing toward a significant anti-inflammatory effec ...

2019

En route to CO2-containing renewable materials: catalytic synthesis of polycarbonates and non-isocyanate polyhydroxyurethanes derived from cyclic carbonates

Paul Joseph Dyson, Antoine Philippe Van Muyden, Felix Daniel Bobbink

Combining CO2-chemistry with biomass conversion allows renewable polymeric materials including polycarbonates and polyhydroxyurethanes (PHUs) to be generated. The demand for robust materials with modular properties that can be prepared on an industrial sca ...

Royal Society of Chemistry2019

Indirect CO2 Methanation: Hydrogenolysis of Cyclic Carbonates Catalyzed by Ru-Modified Zeolite Produces Methane and Diols

Paul Joseph Dyson, Antoine Philippe Van Muyden, Felix Daniel Bobbink, Wei-Tse Lee, Zhangjun Huang

We report a ruthenium‐modified zeolite which efficiently transforms propylene carbonate to propylene glycol and methane, under solvent‐free conditions. The catalyst achieved high product selectivity and no significant ageing effect was observed after multi ...

Wiley-VCH Verlag GmbH2019

Ruthenium - A Non-essential Element that May Become Essential in Treating Chemoresistant Cancers

Paul Joseph Dyson

2019

Novel osmium(II)-cymene complexes containing curcumin and bisdemethoxycurcumin ligands

Paul Joseph Dyson, Lucinda Kate Batchelor

The first examples of (arene)Os(II) curcuminoid derivatives have been prepared and characterized. The neutral complexes [(p-cym)Os(curc)Cl] (1) and [( p-cym)Os(bdcurc)Cl] ( 2), together with the cationic derivatives [( p-cym)Os(curc)(PTA)][SO3CF3] (3) and ...

ROYAL SOC CHEMISTRY2019

Introduction of a Bifunctional Cation Affords Perovskite Solar Cells Stable at Temperatures Exceeding 80 degrees C

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Cristina Roldán Carmona, Erfan Shirzadi, Filippo de Angelis

Perovskite solar cells (PSCs) with high efficiencies have been reported in recent years. Consequently, the main obstacle that hinders their commercialization is their poor thermal stability. Here, we describe the introduction of an A-site cation (2-choloro ...

AMER CHEMICAL SOC2019

Catalytic amino acid production from biomass-derived intermediates

Paul Joseph Dyson, Ning Yan, Yu Han, Yefeng Wang, Shunlin Zhang

Amino acids are the building blocks for protein biosynthesis and find use in myriad industrial applications including in food for humans, in animal feed, and as precursors for bio-based plastics, among others. However, the development of efficient chemical ...

National Academy of Sciences2018

The mechanism of tumour cell death by metal-based anticancer drugs is not only a matter of DNA interactions

Paul Joseph Dyson, Gianni Sava

Platinum drugs are extensively used in the clinic to treat cancer, often leading to a palliative response rather than a cure. While DNA is considered to be the primary target of platinum drugs, there is no clear relationship between cellular platinum accum ...

2018

Synthesis, characterization and cytotoxicity of arene-ruthenium(II) complexes with acylpyrazolones functionalized with aromatic groups in the acyl moiety

Rosario Scopelliti, Paul Joseph Dyson, Tina Riedel

A series of neutral ruthenium(II)-arene complexes, [(arene) Ru(Q(R))Cl] (arene = p-cymene or hexamethylbenzene), containing 4-acyl-5-pyrazolonate (Q(R)) ligands with aromatic substituents in the acyl moiety (a phenyl in Q(Ph) and a 1-naphthyl in Q(naph)) a ...

2018

Precision excimer laser annealed Ga-doped ZnO electron transport layers for perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Rui Xia

Organic-inorganic hybrid perovskite solar cells (PSCs) continue to attract considerable attention due to their excellent photovoltaic performance and low cost. In order to realize the fabrication of PSCs on temperature-sensitive substrates, low-temperature ...

2018

Drug Repurposing Approach Identifies a Synergistic Drug Combination of an Antifungal Agent and an Experimental Organometallic Drug for Melanoma Treatment

Paul Joseph Dyson, Olivier Pierre Zava, Tina Riedel

By screening a drug library comprising FDA approved compounds, we discovered a potent interaction between the antifungal agent haloprogin and the experimental organometallic drug RAPTA-T, to synergistically induce cancer cell killing. The combination of th ...

2018

Applying a Trojan Horse Strategy to Ruthenium Complexes in the Pursuit of Novel Antibacterial Agents

Paul Joseph Dyson, Lucinda Kate Batchelor, Quentin François Antoine Laurent

Siderophores are iron chelators secreted by bacteria to scavenge iron(III) from their surrounding environment. They possess their own internalization pathway that is sufficiently unselective to be hijacked, making them suitable for Trojan Horse strategy ap ...

2018

Intricacies of Cation-Anion Combinations in Imidazolium Salt-Catalyzed Cycloaddition of CO2 Into Epoxides

Gabor Laurenczy, Paul Joseph Dyson, Felix Daniel Bobbink, Sami Manoubi Armand Chamam, Dmitry Vasilyev, Martin Hulla, Florent Menoud

The cycloaddition of CO2 into epoxides catalyzed by imidazolium and related salts continues to attract attention due to the industrial importance of the cyclic carbonate products. The mechanism of the imidazolium-catalyzed transformation has been proposed ...

2018

Water soluble derivatives of platinum carbonyl Chini clusters: synthesis, molecular structures and cytotoxicity of [Pt-12(CO)(20)(PTA)(4)](2-) and [Pt-15(CO)(25)(PTA)(5)](2-)

Paul Joseph Dyson, Lucinda Kate Batchelor, Silvia Ruggieri

The reactions of Pt-3n(CO)(6n) (n = 2-5) homoleptic Chini-type clusters with increasing amounts of 1,3,5-triaza-7-phosphaadamantane (PTA) result in the stepwise substitution of one terminal CO ligand per Pt-3 triangular unit up to the formation of [P ...

2018

Catalytic Ionic-Liquid Membranes: The Convergence of Ionic-Liquid Catalysis and Ionic-Liquid Membrane Separation Technologies

Paul Joseph Dyson, Felix Daniel Bobbink, Martin Hulla

Membrane technologies enable the facile separation of complex mixtures of gases, vapours, liquids and/or solids under mild conditions. Simultaneous chemical transformations can also be achieved in membranes by using catalytically active membrane materials ...

2018

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