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Paul Joseph Dyson

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Related publications (669)

Molecular Mechanism of Ruthenium and Gold Anticancer Agents in the Allosteric Regulation of the Histone Proteins of Chromatin

Paul Joseph Dyson, Ursula Röthlisberger, Giulia Palermo, Tina Riedel

Cell Press2015

Enhancing the Stability of Porphyrin Dye-Sensitized Solar Cells by Manipulation of Electrolyte Additives

Michael Graetzel, Shaik Mohammed Zakeeruddin, Paul Joseph Dyson, Chenyi Yi, Hoi Nok Tsao, Pui Shan Genevieve Lau

The use of porphyrin-based photosensitizers with superior light-harvesting properties has enabled the power conversion efficiency of dye-sensitized solar cells (DSCs) to reach 13% under full sun illumination. However, a major limitation of such devices cor ...

Wiley-V C H Verlag Gmbh2015

Improved Angiostatic Activity of Dasatinib by Modulation with Hydrophobic Chains

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

Dasatinib is an orally active nonselective tyrosine kinase inhibitor used to treat certain types of adult leukemia. By inhibiting PDGFR-beta and SFKs in both tumor cells and tumor associated endothelial cells, dasatinib inhibits tumor growth and angiogenes ...

Amer Chemical Soc2015

Application of Ionic Liquids in the Downstream Processing of Lignocellulosic Biomass

Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Sviatlana Siankevich

Chemical transformations of lignocellulosic substrates to valuable platform chemicals are challenging as lignin and cellulose have high thermal and chemical stabilities. However, certain ionic liquids are able to dissolve and deconstruct biomass and, in th ...

Schweizerische Chemische Gesellschaft2015

Quantification of Conventional and Nonconventional Charge-Assisted Hydrogen Bonds in the Condensed and Gas Phases

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Sviatlana Siankevich

Charge-assisted hydrogen bonds (CAHBs) play critical roles in many systems from biology through to materials. In none of these areas has the role and function of CAHBs been explored satisfactorily because of the lack of data on the energy of CAHBs in the c ...

Amer Chemical Soc2015

Preclinical combination therapy of the investigational drug NAMI-A(+) with doxorubicin for mammary cancer

Paul Joseph Dyson, Tina Riedel, Gianni Sava

Aim of the study The tumor metastases targeting ruthenium complex NAMI-A synergistically improves the activity of gemcitabine in combination therapies. High-throughput screening was used to identify other potential drug combinations from a library of FDA a ...

Springer2015

In vivo evaluation of small-molecule thermoresponsive anticancer drugs potentiated by hyperthermia

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

Hyperthermia used as an adjuvant with chemotherapy is highly promising in the treatment of certain cancers. Currently, the small molecule drugs used in combination with hyperthermia were not designed for this application. Herein, we report the evaluation o ...

2015

Influence of Elemental Iodine on Imidazolium-Based Ionic Liquids: Solution and Solid-State Effects

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Felix Daniel Bobbink, Emilia Paunescu

Ionic liquids doped with I-2, usually resulting in the formation of polyiodide anions, are extensively used as electrolytes and in iodination reactions. Herein, NMR spectroscopy and single-crystal X-ray diffraction were used to rationalize the structures o ...

2015

Angiostatic treatment prior to chemo- or photodynamic therapy improves anti-tumor efficacy

Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Débora Bonvin, Edoardo Scherrer

Tumor vasculature is known to be poorly organized leading to increased leakage of molecules to the extravascular space. This process can potentially increase interstitial fluid pressure impairing intra-tumoral blood flow and oxygen supply, and can affect d ...

Nature Publishing Group2015

Aqueous-phase hydrogenation of alkenes and arenes: The growing role of nano scale catalysts

Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Safak Bulut, Sviatlana Siankevich

In this article we highlight some of the recent developments in the aqueous-phase hydrogenation of alkenes and arenes. The traditional types of water-soluble catalysts applied in aqueous media are outlined together with recent trends towards the developmen ...

Elsevier Science Bv2015

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

Royal Society of Chemistry2015

Modulating the Anticancer Activity of Ruthenium(II)-Arene Complexes

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

Following the identification of [Ru(eta(6)-p-cymene)Cl-2(1H,1H,2H,2H-perfluorodecyl-3-(pyridin-3-yl)propanoate)], a ruthenium(II)arene complex with a perfluoroalkyl-modified ligand that displays remarkable in vitro cancer cell selectivity, a series of stru ...

Amer Chemical Soc2015

Synthesis and Antiproliferative Activity of New Ruthenium Complexes with Ethacrynic-Acid-Modified Pyridine and Triphenylphosphine Ligands

Paul Joseph Dyson, Emilia Paunescu, Tina Riedel

Pyridine- and phosphine-based ligands modified with ethacrynic acid (a broad acting glutathione transferase inhibitor) were prepared and coordinated to ruthenium(II)-arene complexes and to a ruthenium(III) NAMI-A type complex. All the compounds (ligands an ...

Amer Chemical Soc2015

Effect of 1-butyl-3-methylimidazolium iodide containing electrospun poly(vinylidene fluoride-co-hexafluoropropylene) membrane electrolyte on the photovoltaic performance of dye-sensitized solar cells

Paul Joseph Dyson, Zhaofu Fei

Electrospun poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) membrane was prepared from a solution of 16 wt % of PVdF-HFP containing acetone/N,N-dimethyl acetamide (7:3 wt %). The prepared electrospun PVdF-HFP membrane (esPM) was then soaked in ...

Wiley-Blackwell2015

Homogenous catalytic hydrogenation of bicarbonate with water soluble aryl phosphine ligands

Gabor Laurenczy, Paul Joseph Dyson, Katerina Stefania Sordakis

The chemical transformation of CO2 and bicarbonates into useful products becomes increasingly impor- tant as the atmospheric CO2 level has reached 400 ppm. Here a small library of sulfonated aryl mono- phosphines and aryl diphosphines was tested as stabili ...

Elsevier2015

Robust High-performance Dye-sensitized Solar Cells Based on Ionic Liquid-sulfolane Composite Electrolytes

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jean-David Décoppet, Paul Joseph Dyson, Thomas Moehl, Pui Shan Genevieve Lau

Novel ionic liquid-sulfolane composite electrolytes based on the 1,2,3-triazolium family of ionic liquids were developed for dye-sensitized solar cells. The best performing device exhibited a short-circuit current density of 13.4 mA cm(-2), an open-circuit ...

Nature Publishing Group2015

Target profiling of an antimetastatic RAPTA agent by chemical proteomics: relevance to the mode of action

Paul Joseph Dyson, Christian Hartinger

The clinical development of anticancer metallodrugs is often hindered by the elusive nature of their molecular targets. To identify the molecular targets of an antimetastatic ruthenium organometallic complex based on 1,3,5-triaza-7-phosphaadamantane (RAPTA ...

2015

Soft Approaches to CO2 Activation

Paul Joseph Dyson, Felix Daniel Bobbink, Shoubhik Das, Aswin Gopakumar

The utilization of CO2 as a C1 synthon is becoming increasingly important as a feedstock derived from carbon capture and storage technologies. Herein, we describe some of our recent research on carbon dioxide valorization, notably, using organocatalysts to ...

Swiss Chemical Soc2015

Iridium-Stabilized pi-Selenocyclohexadienyls: Synthesis, Molecular Structure, and Cytotoxicity

Paul Joseph Dyson, Tina Riedel

A series of iridium-stabilized selenocyclohexadienyls of general formula [CpIr((5)-C6H5-nMenSe)][BF4] {Cp = (5)-C5Me5, n = 0, n = 1, and n = 3} is described, with the selenocyclohexadienyl unit being isolated for the first time by -coordination to a Cp*I ...

Georg Thieme Verlag Kg2015

Thermoresponsive fluorinated small-molecule drugs: a new concept for efficient localized chemotherapy

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

Hyperthermia is currently being explored as an adjuvant treatment to conventional therapies with chemotherapeutic agents based on thermoresponsive macromolecules. Although the concept of hyperthermia has existed for many years it has yet to become routinel ...

2015

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