Concept

Selenium

Related publications (75)

Synthesis and characterization of ether-derivatized aminophosphines and their application in C-C coupling reactions

Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei

Four new bis(phosphino)amine ligands (Ph2P)2N-C6H3-R, where R = 3,5-OMe (1), 2,5-OMe (2), 2,4-OMe (3) or 3,4-OMe (4), were prepd. via aminolysis of the corresponding dimethoxyanilines with 2 equiv. of diphenylphosphine chloride in the presence of tri-Et am ...

Elsevier2010

A genetic analysis of in vivo selenate reduction by Salmonella enterica serovar Typhimurium LT2 and Escherichia coli K12

Julien Maillard

The twin-arginine transport (Tat) system is dedicated to the translocation of folded proteins across the bacterial cytoplasmic membrane. Proteins are targeted to the Tat system by signal peptides containing a twin-arginine motif. In Salmonella enterica ser ...

2009

Thioredoxin reductase: A target for gold compounds acting as potential anticancer drugs

Angela Casini

The thioredoxin system plays a key role in regulating the overall intracellular redox balance. It basically comprises the small redox protein thioredoxin (Trx), nicotinamide adenine dinucleotide phosphate, in its reduced form (NADPH), and thioredoxin reduc ...

2009

Combinatorial Chemical Vapor Deposition of Lithium Niobate Thin Films

Patrik Willi Hoffmann, Silviu Cosmin Sandu, Ali Dabirian, Yury Kuzminykh, Estelle Wagner, Giacomo Benvenuti

Combinatorial lithium niobate deposition on 150 mm naturally oxidized silicon (100) wafers in a high-vacuum chemical vapor deposition reactor using Li(OBut) and Nb(OEt)4(dmae) is presented. The novel precursor supply system allows individual spatial contro ...

ECS - The Electrochemical Society2009

Amine- and carboxyl-quantum dots affect membrane integrity of bacterium Cupriavidus metallidurans CH34

The present study examines the interaction of amine- and carboxyl- PEG core/shell quantum dots (QDs) with metal resistant bacterium Cupriavidus metallidurans CH34. The evolution of the number of QDs, their hydrodynamic radius, diffusion coefficients and si ...

2009

Synthesis of new aminophosphine complexes and their catalytic activities in C-C coupling reactions

Rosario Scopelliti, Zhaofu Fei, Wee Han Ang

Two new aminophosphines, benzyl-N(Ph2P)(2) and 2-picolyl-N(Ph2P)(2), have been synthesized. Oxidation of the aminophosphines with either hydrogen peroxide, elemental sulfur and selenium gave the corresponding oxides, sulfides and selenides benzyl-N(Ph2P=E) ...

2008

Synthesis and characterizations of N,N-bis(diphenylphosphino)ethylaniline derivatives and X-ray crystal structure of palladium (II), platinum (II) complexes

Rosario Scopelliti, Zhaofu Fei, Wee Han Ang

N,N-Bis(diphenylphosphino)ethylaniline compounds, Ph2PN-C6H4-C2H5, with ethyl groups at the ortho- and para-positions have been synthesized. Oxidation of the aminophosphines with hydrogen peroxide, elemental sulfur and selenium gave the corresponding ...

2008

The biouptake and toxicity of arsenic species on the green microalga Chlorella salina in seawater

The present study focuses on the biouptake, biotransformations, and toxicity of arsenic species on the marine green alga Chlorella salina in seawater from the Bulgarian Black Sea coast. Exposure to equal concentrations of As(III) or As(V) led to equivalent ...

2008

Étude de Réduction et d’Oxydation de l’Anode d’une Pile à Combustible à Oxyde Solide à Support Anode (SOFC)

Jan Van Herle, Aïcha Hessler-Wyser, Antonin Faes

Le but de cette étude est de comparer la microstructure de l’anode en fonction des conditions de réduction et lors de cycles redox. Pour réaliser ce projet, un code Mathematica® est développé. Celui-ci permet de traiter et d’analyser des images SEM pour en ...

2007

Organometallic ruthenium inhibitors of glutathione-S-transferase P1-1 as anticancer drugs

Paul Joseph Dyson, Wee Han Ang

Ruthenium-arene complexes conjugated to ethacrynic acid were prepared as part of a strategy to develop novel glutathione-S-transferase (GST) inhibitors with alternate modes of activity through the organometallic fragment, ultimately to provide targeted rut ...

Wiley-Blackwell2007

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