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827 Newest Publications about the topic bromine

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First principles study on mixed orthorhombic perovskite CH3NH3Pb(I1-xBrx)3

09-Sep-2017 | Author(s): Zhou Fang, Zhijun Yi, Chemical Physics Letters, 2017

Publication date: 1 November 2017 Source:Chemical Physics Letters, Volume 687 Author(s): Zhou Fang, Zhijun Yi Chemically tuned inorganic–organic hybrid halide perovskites based on iodine and bromine halide anions have been studied using first-principles calculations. Firstly, our ...

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Integration of Bromine and Cyanogen Bromide Generators for the Telescoped Continuous Synthesis of Cyclic Guanidines

06-Sep-2017 | Gabriel Glotz, Rene Lebl, Doris Dallinger, C. Oliver Kappe, Angewandte Chemie International Edition, 2017

A continuous flow process for the in‐situ on‐demand generation of cyanogen bromide (BrCN) from bromine and potassium cyanide utilizing membrane separation technology is described. In order to circumvent handling, storage and transportation of elemental bromine, a continuous bromine generator ...

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Molecular integration on phospholipid polymer-coated magnetic beads for gene expression analysis in cells

03-Sep-2017 | Author(s): Kazuhiko Ishihara, Yoshito Fukuda, Tomohiro Konno, Yuuki Inoue, Reactive and Functional Polymers, 2017

Publication date: Available online 31 August 2017 Source:Reactive and Functional Polymers Author(s): Kazuhiko Ishihara, Yoshito Fukuda, Tomohiro Konno, Yuuki Inoue Magnetic polymer beads, composed of a polystyrene core and hydrophilic poly(2-methacryloyloxyethyl phosphorylcholine ...

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Oxyhalogen–Sulfur Chemistry: Kinetics and Mechanism of Oxidation of 1,3-Dimethylthiourea by Acidic Bromate

21-Aug-2017 | Olufunke Olagunju; Reuben H. Simoyi, Journal of Physical Chemistry A, 2017

The mechanism of oxidation of the well-known radical scavenger dimethylthiourea, DMTU, by acidic bromate was studied. The stoichiometry of the reaction is 4:3: 4BrO3– + 3CS(NHMe)2 + 3H2O → 3SO42– + 3CO(NHMe)2 + 6H+ + 4Br–. In excess acidic bromate, the reaction stoichiometry is 8:5: 8BrO3– + ...

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ROMP‐based boron nitride composites

10-Aug-2017 | Keziban Hüner, Kemal Ulutaş, Hüseyin Deligöz, Lina Sartinska, Tarik Eren, Journal of Applied Polymer Science, 2017

ABSTRACT The present work focuses on the investigation of the thermal and dielectric properties of composites obtained by surface‐modified hexagonal boron nitride (hBN) and ring‐opening metathesis polymerization (ROMP) based polymer. A new kind of high performance composites was developed ...

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Toward a reverse hierarchy of halogen bonding between bromine and iodine

02-Aug-2017 | Emmanuel Aubert; Enrique Espinosa; Irène Nicolas; Olivier Jeannin; Marc Fourmigué, Faraday Discussions, 2017

We compare here the halogen bond characteristics of bimolecular adducts involving either N-bromo- or N-iodosaccharin as strong halogen bond donors, with 4-picoline as a common XB acceptor. In the NBSac·Pic system, the bromine atom of NBSac is displaced toward the picoline, almost at a median ...

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Directing Group Assisted Copper-Mediated Aroylation of Phenols Using 2-Bromoacetophenones

02-Aug-2017 | Swagata Baruah; Somadrita Borthakur; Sanjib Gogoi, Chemical Communication, 2017

A new directing group assisted method for the synthesis of aryl esters is described. In this Cu(II)-mediated reaction, 2-formylphenols and 2-acetylphenols are easily converted to the aryl esters by treatment with a new aroylating agent 2-bromoacetophenone. In addition, a new external bromine free ...

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Tuning the Cavity Size and Chirality of Self-Assembling 3D DNA Crystals

02-Aug-2017 | Chad R. Simmons; Fei Zhang; Tara MacCulloch; Noureddine Fahmi; Nicholas Stephanopoulos; Yan Liu; Nadrian C. Seeman; ..., Journal of the American Chemical Society, 2017

The foundational goal of structural DNA nanotechnology—the field that uses oligonucleotides as a molecular building block for the programmable self-assembly of nanostructured systems—was to use DNA to construct three-dimensional (3D) lattices for solving macromolecular structures. The ...

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Tuning the Cavity Size and Chirality of Self-Assembling 3D DNA Crystals

02-Aug-2017 | Chad R. Simmons; Fei Zhang; Tara MacCulloch; Noureddine Fahmi; Nicholas Stephanopoulos; Yan Liu; Nadrian C. Seeman; ..., Journal of the American Chemical Society, 2017

The foundational goal of structural DNA nanotechnology—the field that uses oligonucleotides as a molecular building block for the programmable self-assembly of nanostructured systems—was to use DNA to construct three-dimensional (3D) lattices for solving macromolecular structures. The ...

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Evaluating brominated thioxanthones as organo‐photocatalysts

13-Jul-2017 | Akila Iyer, Anthony Clay, Steffen Jockusch, J. Sivaguru, Journal of Physical Organic Chemistry, 2017

Abstract Bromination of the widely used triplet sensitizer thioxanthone extends the absorption spectrum into the visible range with only minor loss of lowest triplet state energy (3kcal/mol for di‐bromination). Because of bromine substitution, a slight increase in triplet quantum yield was ...

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