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4,237 Newest Publications about the topic sulfur

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A Selective Colorimetric and Ratiometric Fluorescent Probe for Hydrogen Sulfide

15-Aug-2012 | Xiao-Qi Yu; Ming-Yu Wu; Kun Li; Ji-Ting Hou; Zheng Huang, Organic & Biomolecular Chemistry, 2012

A reaction-based colorimetric and ratiometric fluorescent probe based on an ICT-strategy for selective detection of H2S that exploited the H2S–mediated reduction of nitrocompound to amines was explored. And it displayed high selectivity for H2S over other relevant reactive sulfur, oxygen, nitrogen ...

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Novel Optimized Process for Utilization of CaO-Based Sorbent for Capturing CO2 and SO2 Sequentially

15-Aug-2012 | Hongwei Chen; Zhenghui Zhao; Xinzhang Huang; Kumar Patchigolla; Alissa Cotton; John Oakey, Energy & Fuels, 2012

Calcium oxide (CaO) based sorbents, used for CO2 capture in calcination/carbonation cycles, reduce in activity with increasing numbers of cycles, thus reducing the economic benefits of this capture process, generating a significant amount of spent sorbent and raising the potential for pollution ...

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Transport properties of sulfide-conductive solid electrolyte in the system CaYb2S4-Yb2S3

14-Aug-2012 | B. A. Ananchenko, E. V. Koshurnikova, L. A. Kalinina, Yu. N. Ushakova, L. A. Bezdenezhnykh, Glass Physics and Chemistry, 2012

CaYb2S4-based phases with a superstoichiometric content of Yb2S3 to be used for depositing thin-layer sulfur-containing coatings were obtained for the first time. The attestation of the samples was performed using X-ray diffraction and electron microscopy. The conductometry was used to measure ...

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Synthesis of 2‐Mercaptobenzaldehyde, 2‐Mercaptocyclohex‐1‐enecarboxaldehydes and 3‐Mercaptoacrylaldehydes

14-Aug-2012 | Qingfen Niu, Xiaofeng Xu, Hongjian Sun, Xiaoyan Li, Chinese Journal of Chemistry, 2012

Abstract A novel one‐pot approach for the preparation of 2‐mercaptobenzaldehyde, 2‐mercaptocyclohex‐1‐enecarboxaldehydes and 3‐mercaptoacrylaldehydes [(Z)‐3‐mercapto‐2‐methyl‐3‐phenylacrylaldehyde, 3‐mercapto‐3‐(o‐tolyl)acrylaldehyde)] starting from ortho‐bromobenzaldehyde, ...

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Synthesis of Y2O2S:Eu3+ luminescent nanobelts via electrospinning combined with sulfurization technique

14-Aug-2012 | Liying Yang, Jinxian Wang, Xiangting Dong, Guixia Liu, Wensheng Yu, Journal of Materials Science, 2012

Y2O2S:Eu3+ nanobelts were successfully prepared via electrospinning method and sulfurization process using the as-prepared Y2O3:Eu3+ nanobelts and sulfur powders as sulfur source by a double-crucible method for the first time. X-ray diffraction analysis indicated that the Y2O2S:Eu3+ nanobelts ...

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Nitric Oxide Binding to the Cardiolipin Complex of Ferric Cytochrome c

14-Aug-2012 | G. Silkstone; S. M. Kapetanaki; I. Husu; M. H. Vos; M. T. Wilson, Biochemistry, 2012

Cardiolipin, a phospholipid specific to the mitochondrion, interacts with the small electron transfer heme protein cytochrome c through both electrostatic and hydrophobic interactions. Once in a complex with cardiolipin, cytochrome c has been shown to undergo a conformational change that leads to ...

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Enhanced Charge-Transfer Kinetics by Anion Surface Modification of LiFePO4

14-Aug-2012 | Kyu-Sung Park; Penghao Xiao; So-Yeon Kim; Anthony Dylla; Young-Min Choi; Graeme Henkelman; Keith J. Stevenson; John ..., Chemistry of Materials, 2012

Despite the great achievement in understanding the materials properties and powder engineering of LiFePO4, the chemical bonding at the surface has been almost ignored. Herein, we demonstrate that the undercoordinated Fe2+/Fe3+ redox couple at the surface gives a high barrier for charge transfer, ...

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2D Self-Assembly of Fused Oligothiophenes: Molecular Control of Morphology

14-Aug-2012 | Chaoying Fu; Federico Rosei; Dmitrii F. Perepichka, ACS Nano, 2012

We report the synthesis and properties of two π-functional heteroaromatic tetracarboxylic acids (isomeric tetrathienoanthracene derivatives 2-TTATA and 3-TTATA) and their self-assembly on highly oriented pyrolytic graphite. Using scanning tunneling microscopy at the liquid–solid interface we show ...

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Enzymatic Growth of Quantum Dots: Applications to Probe Glucose Oxidase and Horseradish Peroxidase and Sense Glucose

13-Aug-2012 | Laura Saa, Valeri Pavlov, Small, 2012

Abstract Three innovative assays are developed for the detection of enzymatic activities of glucose oxidase (GOx) and horseradish peroxidase (HRP) by the generation of CdS quantum dots (QDs) in situ using non‐conventional enzymatic reactions. In the first assay, GOx catalyzes the oxidation of ...

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Synthesis of Tetragonal Mackinawite-Type FeS Nanosheets by Solvothermal Crystallization

13-Aug-2012 | Ian T. Sines, Dimitri D. Vaughn II, Rajiv Misra, Eric J. Popczun, Raymond E. Schaak, Journal of Solid State Chemistry, 2012

Mackinawite, a metastable 1:1 compound of iron and sulfur that adopts an anti-PbO-type structure, is of interest because of its relationship to known iron chalcogenide superconductors, as well as its biogeochemical relevance. Colloidal nanosheets of mackinawite-type FeS were synthesized by first ...

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