Recherche

Afficher tous les résultats pour

Accueil

Personne

Paul Joseph Dyson

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (669)

A facile approach for controlling the orientation of one-dimensional mesochannels in mesoporous titania films

Paul Joseph Dyson, Zhaofu Fei, Yi Wang

Controlling of the orientation of mesochannels in mesostructured thin films is important for the development of novel molecular devices and, in particular, generating vertically aligned mesochannels with respect to the substrate plane is extremely challeng ...

Amer Chemical Soc2012

Insights into the Formation Mechanism of Rhodium Nanocubes

Paul Joseph Dyson, Ning Yan, Yuan Yuan

The mechanism of formation of rhodium nanocubes in the presence of tetradecyltrimethylammonium bromide and polyvinylpyrrolidone in ethylene glycol was studied in situ by XAFS, in conjunction with other ex situ techniques including MALDI-TOF MS, XRD, TEM, a ...

2012

Rationalization of Solvation and Stabilization of Palladium Nanoparticles in Imidazolium-Based Ionic Liquids by DFT and Vibrational Spectroscopy

Paul Joseph Dyson, Ning Yan, Xiao Yuan

A combined DFT/vibrational spectroscopy approach is used to determine the interactions of the 1,3-dimethylimidazolium ([Mmim]+) and 1-ethyl-3-methylimidazolium ([Emim]+) cations and [BF4]- anions with each other in the liquid state and with Pd nanoparticle ...

2012

Gold Nanoparticles Grown on Ionic Liquid-Functionalized Single-Walled Carbon Nanotubes: New Materials for Photothermal Therapy

Paul Joseph Dyson, Zhaofu Fei

Gold nanoparticles were grown on single-walled carbon nanotubes (SWNTs) coated with a thiol-functionalized ionic liquid resulting in the formation of core-shell structures referred to as SWNT-IL-Au nanohybrid materials. The nanohybrid materials were charac ...

Wiley-V C H Verlag Gmbh2012

Introduction to the Organometallics in Biology and Medicine Issue

Paul Joseph Dyson

Amer Chemical Soc2012

Fabrication of reduced graphene oxide hybrid materials that exhibit strong fluorescence

Paul Joseph Dyson, Zhaofu Fei

Fluorescent graphene-based materials have been prepared by a facile ion exchange route comprising the reaction of carboxylated, reduced graphene oxide (c-RGO) with fluorescent anthracene-modified imidazolium salts in water-ethanol solution. The resulting r ...

Royal Society of Chemistry2012

Altered DNA Binding and Amplification of Human Breast Cancer Suppressor Gene BRCA1 Induced by a Novel Antitumor Compound, [Ru(eta(6)-p-phenylethacrynate)Cl-2(pta)]

Paul Joseph Dyson

The ruthenium-based complex [Ru(eta(6)-p-phenylethacrynate)Cl-2(pta)] (pta = 1,3,5-triaza-7-phosphatricyclo-[3.3.1.1]decane), termed ethaRAPTA, is an interesting antitumor compound. The elucidation of the molecular mechanism of drug activity is central to ...

2012

Preface Foreword

Paul Joseph Dyson, Ning Yan

Elsevier2012

Combination of metallomics and proteomics to study the effects of the metallodrug RAPTA-T on human cancer cells

Paul Joseph Dyson, Michael Groessl

An approach to characterize the interactions of RAPTA-T, a novel ruthenium-based anticancer drug candidate with intriguing antimetastatic properties, with human ovarian cancer cells in vitro is described. The distribution profile of the metallodrug within ...

Royal Society of Chemistry2012

Rational design of a molecular nanocatalysts-stabilizer that enhances both catalytic activity and nanoparticle stability

Paul Joseph Dyson, Ryan Dykeman, Ning Yan, Yuan Yuan

Wiley-VCH Verlag2012

Highly cytotoxic trithiophenolatodiruthenium complexes of the type [(eta(6)-p-MeC6H4Pr (i) )(2)Ru-2(SC6H4-p-X)(3)](+): synthesis, molecular structure, electrochemistry, cytotoxicity, and glutathione oxidation potential

Paul Joseph Dyson, Olivier Pierre Zava, Mathurin Baquié

A series of cationic dinuclear p-cymene ruthenium trithiophenolato complexes of the type (eta(6)-p-MeC6H4Pr (i) )(2)Ru-2(SC6H4-p-X)(3) (1 X is H, 2 X is Me, 3 X is Ph, 4 X is Br, 5 X is OH, 6 X is NO2, 7 X is OMe, 8 X is CF3, 9 X is F, 10 X is Pr (i) ...

2012

Advances in the Rational Design of Rhodium Nanoparticle Catalysts: Control via Manipulation of the Nanoparticle Core and Stabilizer

Paul Joseph Dyson, Ning Yan, Yuan Yuan

This review describes some of the fascinating advances in the field of rhodium nanoparticle (NP) catalysis that have emerged in recent years. The examples described are categorized according to the research approach applied, involving either direct enginee ...

2012

Tuning the Chemoselectivity of Rh Nanoparticle Catalysts by Site-Selective Poisoning with Phosphine Ligands: The Hydrogenation of Functionalized Aromatic Compounds

Gabor Laurenczy, Paul Joseph Dyson, Ning Yan, Weijia Gan, Dennis Snelders

The hydrogenation of phenylacetone to cyclohexylacetone, in which the aromatic ring is selectively reduced in preference to the carbonyl group, has been achieved with chemoselectivities exceeding 90%. The catalyst (precatalyst) used to achieve this transfo ...

2012

Electrochemical Stability of Imidazolium Based Ionic Liquids Containing Cyano Groups in the Anion: A Cyclic Voltammetry, XPS and DFT Study

Alexander Wokaun, Paul Joseph Dyson, Zhaofu Fei

The electrochemical stability of ionic liquids based on the 1-ethyl-3-methyl imidazolium EMIM cation and three different anions, dicyanoamide (N(CN)(2)), tricyanomethanide (C(CN)(3)) and tetracyanoborate (B(CN)(4)), has been investigate ...

Electrochemical Society2012

A remarkable anion effect on palladium nanoparticle formation and stabilization in hydroxyl-functionalized ionic liquids

Paul Joseph Dyson, Ning Yan, Xiao Yuan

Pd nanoparticles (NPs) with a small size and narrow size distribution were prepared from the decomposition of Pd(OAc)(2) in a series of hydroxyl-functionalized ionic liquids (ILs) comprising the 1-(2'-hydroxylethyl)-3-methylimidazolium cation and various a ...

2012

Application of a Versatile Nanoparticle Stabilizer in Phase Transfer and Catalysis

Paul Joseph Dyson, Vincent Laporte, Ilaria Biondi

Gold and rhodium nanoparticles stabilized by a cationic polymer can be readily modified by anion exchange to afford nanoparticles that may be dispersed in a wide range of organic solvents and ionic liquids. The catalytic activity of the Rh nanoparticle dis ...

Wiley-V C H Verlag Gmbh2012

Evaluation of ionic liquid soluble imidazolium tetrachloropalladate pre-catalysts in Suzuki coupling reactions

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Hongbing Song, Kelly Joan Kilpin, Xiang Li

Imidazolium salts with aromatic groups 1,3-bis(9-anthracenylmethyl)imidazolium chloride ([Bamim]Cl), 1,3-bis(1-naphthalenylmethyl)imidazolium chloride ([Bnmim]Cl) and 1,3-bis( benzylmethyl)imidazolium chloride ([Bbmim]Cl) were reacted with PdCl2 forming th ...

Elsevier2012

Anthracene-Tethered Ruthenium(II) Arene Complexes as Tools To Visualize the Cellular Localization of Putative Organometallic Anticancer Compounds

Rosario Scopelliti, Paul Joseph Dyson, Wee Han Ang, Julie Risse, Christian Hartinger, Alexey Nazarov, Michael Groessl, Olivier Pierre Zava, Albert Ruggi, Frédéric Schmitt

Anthracene derivatives of ruthenium(II) arene compounds with 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane (pta) or a sugar phosphite ligand, viz., 3,5,6-bicyclophosphite1,2-O-isopropylidene-alpha-D-glucofuranoside, were prepared in order to evaluate their ...

2012

Structural Basis for Benzothiazinone-Mediated Killing of Mycobacterium tuberculosis

Paul Joseph Dyson, John McKinney, Stewart Cole, Neeraj Dhar, Florence Pojer, Elizabeth Fullam, Joao Pedro De Almeida Neres

The benzothiazinone BTZ043 is a tuberculosis drug candidate with nanomolar whole-cell activity. BTZ043 targets the DprE1 catalytic component of the essential enzyme decaprenylphosphoryl-beta-D-ribofuranose-2'-epimerase, thus blocking biosynthesis of arabin ...

American Association for the Advancement of Science2012

Challenges and Opportunities in the Development of Organometallic Anticancer Drugs

Paul Joseph Dyson, Christian Hartinger

This review provides an introduction into the fascinating area of organometallic anticancer compounds. Although the subject dates back many years, it has witnessed considerable growth only in the past decade. A brief overview of the subject together with r ...

Amer Chemical Soc2012

Page 23 sur 34