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5,096 Newest Publications about the topic sulfur

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Ylide stabilized carbenes: a computational study

30-Sep-2014 | Bibi Narjes Haerizade, Mohammad Zaman Kassaee, Hassan Zandi, Maryam Koohi, Ali A. Ahmadi, Journal of Physical Organic Chemistry, 2014

High‐level Density Functional Theory calculations, coupled with appropriate isodesmic reaction, are employed to investigate the effects of α‐carbon, ammonium, phosphorus, and sulfur ylides, cyclization, and unsaturation on the stability, multiplicity, and reactivity of novel singlet (S) and ...

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Charge Anisotropy: Where Atomic Multipoles Matter Most

30-Sep-2014 | Christian Kramer; Alexander Spinn; Klaus R. Liedl, Journal of Chemical Theory and Computation, 2014

Specific intermolecular interactions are largely guided by electrostatics. However, the most common model for electrostatic interactions—atomic point charges—fails to reproduce anisotropic charge distributions, such as lone pairs and sigma holes. Although this has long been known, point charges ...

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Optimizing the Performance of Conjugated Polymers in Organic Photovoltaic Cells by Traversing Group 16

30-Sep-2014 | Malika Jeffries-EL; Brandon M. Kobilka; Benjamin J. Hale, Macromolecules, 2014

Conjugated polymers are organic semiconductors that have emerged over the past few decades as promising alternatives to inorganic semiconductors for use in a range of electronic applications. Since the performance of these materials in various devices is dependent on many variables, there have ...

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Phase-Selective Synthesis of Cu2ZnSnS4 Nanocrystals using Different Sulfur Precursors

29-Sep-2014 | Zhenggang Li; Alvic Lim Kar Lui; Kwan Hang Lam; Lifei Xi; Yeng Ming Lam, Inorganic Chemistry, 2014

Cu2ZnSnS4 (CZTS) holds great promises as an absorber material for sustainable and low cost thin film solar cells. Kesterite and wurtzite are two common phases of CZTS. Until now, the synthesis and the growth of both phases are not clearly understood. In this work, kesterite CZTS nanoparticles, ...

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Sensors, Vol. 14, Pages 18114-18130: Estimation of the Age and Amount of Brown Rice Plant Hoppers Based on Bionic Electronic Nose Use

29-Sep-2014 | Xu, Sai ; Zhou, Zhiyan ; Lu, Huazhong ; Luo, Xiwen ; Lan, Yubin ; Zhang, Yang ; Li, Yanfang, Sensors, 2014

The brown rice plant hopper (BRPH), Nilaparvata lugens (Stal), is one of the most important insect pests affecting rice and causes serious damage to the yield and quality of rice plants in Asia. This study used bionic electronic nose technology to sample BRPH volatiles, which vary in age and ...

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ChemInform Abstract: Sulfur Monochloride in Organic Synthesis

18-Sep-2014 | L. S. Konstantinova, O. A. Rakitin, ChemInform, 2014

Abstract Review: data on the reactivity of sulfur monochloride published in the past 15 years; 54 refs.

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ChemInform Abstract: Stereochemical Aspects and the Synthetic Scope of the SHi at the Sulfur Atom. Preparation of Enantiopure 3‐Substituted 2,3‐Dihydro‐1,2‐benzoisothiazole 1‐Oxides and 1,1‐Dioxides.

18-Sep-2014 | Jose A. Fernandez‐Salas, M. Mercedes Rodriguez‐Fernandez, M. Carmen Maestro, Jose L. Garcia‐Ruano, ChemInform, 2014

Abstract An efficient method to obtain enantiopure 3‐substituted benzosulfinamides and sulfonamides from N‐tert‐butanesulfinylimines is described.

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ChemInform Abstract: A Radical Thia‐Brook Rearrangement.

18-Sep-2014 | Beatrice Quiclet‐Sire, Samir Z. Zard, ChemInform, 2014

Abstract A hitherto unknown migration of a silicon group from carbon to sulfur by a radical chain mechanism is described.

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Structural insight into the molecular mechanism of allosteric activation of human cystathionine {beta}-synthase by S-adenosylmethionine [Biochemistry]

16-Sep-2014 | June Ereño-Orbea; Tomas Majtan; Iker Oyenarte; Jan P. Kraus; Luis Alfonso Martínez-Cruz, Proceedings of the National Academy of Sciences current issue, 2014

Cystathionine β-synthase (CBS) is a heme-dependent and pyridoxal-5′-phosphate–dependent protein that controls the flux of sulfur from methionine to cysteine, a precursor of glutathione, taurine, and H2S. Deficiency of CBS activity causes homocystinuria, the most frequent disorder of sulfur amino ...

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ChemInform Abstract: Enantio‐ and Diastereoselective Synthesis of Spiro‐Epoxyoxindoles.

11-Sep-2014 | Amina Boucherif, Qing‐Qing Yang, Qiang Wang, Jia‐Rong Chen, Liang‐Qiu Lu, Wen‐Jing Xiao, ChemInform, 2014

Abstract Highly enantioenriched spiro‐epoxyoxindoles are obtained from isatins and chiral sulfur ylides generated in situ from camphor‐derived sulfonium salts.

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