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Ruthenium

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Redox Catalysis for Improved Counter-Electrode Kinetics in Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Li Fan

Developing high-performance, low-cost electrocatalysts for the reduction reaction at the cathode of dye-sensitized solar cells (DSCs) is important for their commercialization. Here, we introduce the concept of redox catalysis for improving counter-electrod ...

Wiley-V C H Verlag Gmbh2017

Skyrmion formation in a bulk chiral magnet at zero magnetic field and above room temperature

Henrik Moodysson Rønnow, Jonathan White

We report that in a β-Mn-type chiral magnet Co9Zn9Mn2, skyrmions are realized as a metastable state over a wide temperature range, including room temperature, via field cooling through the thermodynamic equilibrium skyrmion phase that exists below a transi ...

2017

(eta(6)-Arene) ruthenium complexes with P-coordinated phosphinoferrocene amides bearing extended polar substituents at the amide nitrogen: Synthesis, characterization and cytotoxicity

Paul Joseph Dyson, Tina Riedel

Heterobimetallic Ru-Fe complexes of the general formula [(eta(6)-p-cymene) RuCl2(Ph(2)PfcCONHCH(2)CH(2-)COY-kappa P)], where Y = Me, NH2, NHEt, NHPh, and NMe2, and fc = ferrocene-1,1'-diyl, were synthesized from p-cymene ruthenium dichloride dimer and phos ...

Elsevier Science Sa2016

Fighting Cancer with Transition Metal Complexes: From Naked DNA to Protein and Chromatin Targeting Strategies

Paul Joseph Dyson, Ursula Röthlisberger, Tina Riedel, Giulia Palermo, Thibaud Edouard Alistair von Erlach

Many transition metal complexes have unique physicochemical properties that can be efficiently exploited in medicinal chemistry for cancer treatment. Traditionally, double-stranded DNA has been assumed to be the main binding target; however, recent studies ...

2016

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The first efficient and non-precious nanoparticle catalyst for alkene hydrosilylation with commercially relevant tertiary silanes has been developed. The nickel nanoparticle catalyst was prepared in situ from a simple nickel alkoxide precatalyst Ni((OBu)-B ...

Wiley-Blackwell2016

Quantitative aqueous phase formic acid dehydrogenation using iron(II) based catalysts

Gabor Laurenczy, Andrew Francis Dalebrook, Mickael Montandon-Clerc

We present here the results of our investigation on aqueous phase formic acid (FA) dehydrogenation using non-noble metal based pre-catalysts. This required the synthesis of m-trisulfonated-tris[2-(diphe nylphosphino)ethyl]phosphine sodium salt (PP3TS) as a ...

Elsevier2016

Nonsteroidal Anti-inflammatory-Organometallic Anticancer Compounds

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

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

Paul Joseph Dyson, Rosario Scopelliti, 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

Synthesis and reactivity of a terminal uranium(IV) sulfide supported by siloxide ligands

Rosario Scopelliti, Marinella Mazzanti, Julie Renée Michelle Andrez

The reactions of the tetrasiloxide U(III) complexes [U(OSi(OtBu)3)4K] and [U(OSi(OtBu)3)4][K18c6] with 0.5 equiv. of triphenylphosphine sulfide led to reductive S-transfer reactions, affording the U(IV) sulfide complexes [SU(OSi(OtBu)3)4K2]2, 1, and [{SU(O ...

Royal Soc Chemistry2016

Porphyrin molecules offer a very stable molecular environment for the incorporation of numerous metal ions inside their cavity, which enables a plethora of applications. The fabrication and characterization of surface confined metal organic architectures b ...

American Chemical Society2016

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Skyrmion formation in a bulk chiral magnet at zero magnetic field and above room temperature

Henrik Moodysson Rønnow, Jonathan White

2017

(eta(6)-Arene) ruthenium complexes with P-coordinated phosphinoferrocene amides bearing extended polar substituents at the amide nitrogen: Synthesis, characterization and cytotoxicity

Paul Joseph Dyson, Tina Riedel

Elsevier Science Sa2016

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Wiley-Blackwell2016

An Easily Accessed Nickel Nanoparticle Catalyst for Alkene Hydrosilylation with Tertiary Silanes

Xile Hu

Ivan Buslov

Fang Song

In Vacuo Porphyrin Metalation on Ag(111) via Chemical Vapor Deposition of Ru-3(CO)(12): Mechanistic Insights

Katharina Johanna Diller