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3,048 Newest Publications about the topic sulfur


Reactivity of endo-3-bromocamphor with sulfur-centered nucleophiles by an electron transfer mechanism. Electrophilic behaviour of the 3-camphoryl radical

13-01-2011 | Jorge G. Uranga; Ana N. Santiago, Organic & Biomolecular Chemistry, 2011

Jorge G. Uranga, Ana N. Santiago (Paper from Org. Biomol. Chem.) Jorge G. Uranga, Org. Biomol. Chem., 2011, DOI: 10.1039/c0ob01108h To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry


Method for Determining the Elemental Composition and Distribution in Semiconductor Core−Shell Quantum Dots

12-01-2011 | Gilad Zorn; Shivang R. Dave; Xiaohu Gao; David G. Castner, Analytical Chemistry, 2011

In the biological sciences, the use of core−shell quantum dots (QDs) has gained wide usage but analytical challenges still exist for characterizing the QD structure. The application of energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy (XPS) to bulk materials is relatively ...


Ruthenium-Decorated Lipid Vesicles: Light-Induced Release of [Ru(terpy)(bpy)(OH2)]2+ and Thermal Back Coordination

12-01-2011 | Sylvestre Bonnet; Bart Limburg; Johannes D. Meeldijk; Robertus J. M. Klein Gebbink; J. Antoinette Killian, Journal of the American Chemical Society, 2011

Electrostatic forces play an important role in the interaction between large transition metal complexes and lipid bilayers. In this work, a thioether-cholestanol hybrid ligand (4) was synthesized, which coordinates to ruthenium(II) via its sulfur atom and intercalates into lipid bilayers via its ...


Protein Thiocarboxylate-Dependent Methionine Biosynthesis in Wolinella succinogenes

12-01-2011 | Kalyanaraman Krishnamoorthy; Tadhg P. Begley, Journal of the American Chemical Society, 2011

Thiocarboxylated proteins are important intermediates in a variety of biochemical sulfide transfer reactions. Here we identify a protein thiocarboxylate-dependent methionine biosynthetic pathway in Wolinella succinogenes. In this pathway, the carboxy terminal alanine of a novel sulfur transfer ...


Characterization of an NADH-Dependent Persulfide Reductase from Shewanella loihica PV-4: Implications for the Mechanism of Sulfur Respiration via FAD-Dependent Enzymes,

11-01-2011 | Megan D. Warner; Vinita Lukose; Kyu Hyun Lee; Karlo Lopez; Matthew H. Sazinsky; Edward J. Crane, III, Biochemistry, 2011

The NADH-dependent persulfide reductase (Npsr), a recently discovered member of the PNDOR family of flavoproteins that contains both the canonical flavoprotein reductase domain and a rhodanese domain, is proposed to be involved in the dissimilatory reduction of S0 for Shewanella loihica PV-4. We ...


Aggregation and pH Responsive Disassembly of a New Acid-Labile Surfactant Synthesized by Thiol−Acrylate Michael Addition Reaction

11-01-2011 | Krishna Dan; Rakesh Pan; Suhrit Ghosh, Langmuir, 2011

Nucleophilic thiol−acrylate Michael reaction between a hydrophobic thiol and hydrophilic acrylate derivative generated a nonionic surfactant with acid-labile β-thiopropionate linker. Micellization of the surfactant, its ability to encapsulate hydrophobic dye, acid-induced disruption of the ...


From Thioxo Cluster to Dithio Cluster: Exploring the Chemistry of Polynuclear Zirconium Complexes with S,O and S,S Ligands

10-01-2011 | Federica Maratini; Luciano Pandolfo; Maria Bendova; Ulrich Schubert; Matthias Bauer; Massimiliano Rocchia; Alfonso V ..., Inorganic Chemistry, 2011

Three different zirconium thio and oxothio clusters, characterized by different coordination modes of dithioacetate and/or monothioacetate ligands, were obtained by the reaction of monothioacetic acid with zirconium n-butoxide, Zr(OnBu)4, in different experimental conditions. In particular, we ...


Identification of a Novel η2-Se2 Bonding Mode in Cu(I) Complexes of the Dimeric Selenocarbonyl Dianions, [(EPh2P)2CSeSeC(PPh2E)2]2− (E = S, Se)

10-01-2011 | Maarit Risto; Jari Konu; Tristram Chivers, Inorganic Chemistry, 2011

The metathetical reaction of [Li(TMEDA)][(H)C(PPh2Se)2] with CuCl2 affords unexpectedly the binuclear Cu(I)/Cu(I) complex of the dimeric dianion, [(SePh2P)2CSeSeC(PPh2Se)2]2−, via an internal redox process. The related sulfur-containing complex {Cu2-η2:η2-[(SPh2P)2CSeSeC(PPh2S)2]} is formed from ...


S K-Edge X-Ray Absorption Spectroscopy and Density Functional Theory Studies of High and Low Spin {FeNO}7 Thiolate Complexes: Exchange Stabilization of Electron Delocalization in {FeNO}7 and {FeO2}8

10-01-2011 | Ning Sun; Lei V. Liu; Abhishek Dey; Gloria Villar-Acevedo; Julie A. Kovacs; Marcetta Y. Darensbourg; Keith O. Hodgso ..., Inorganic Chemistry, 2011

S K-edge X-ray absorption spectroscopy (XAS) is a direct experimental probe of metal ion electronic structure as the pre-edge energy reflects its oxidation state, and the energy splitting pattern of the pre-edge transitions reflects its spin state. The combination of sulfur K-edge XAS and density ...


Spectroscopic Characterization of the Molybdenum Cofactor of the Sulfane Dehydrogenase SoxCD from Paracoccus pantotrophus

10-01-2011 | Simon C. Drew; Eduard Reijerse; Armin Quentmeier; Dagmar Rother; Cornelius G. Friedrich; Wolfgang Lubitz, Inorganic Chemistry, 2011

The bacterial sulfane dehydrogenase SoxCD is a distantly related member of the sulfite oxidase (SO) enzyme family that is proposed to oxidize protein-bound sulfide (sulfane) of SoxY as part of a multienzyme mechanism of thiosulfate metabolism. This study characterized the molybdenum cofactor of ...


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