Chem. Commun.

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Fouling in microstructured devices: a review

3 May, 2015 - 14:17

Chem. Commun., 2015, 51,8213-8228
DOI: 10.1039/C4CC07849G, Feature ArticleM. Schoenitz, L. Grundemann, W. Augustin, S. Scholl
This work reviews efforts in the greatest challenge to operate microsystems: fouling and blocking.
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Biosynthetic selenoproteins with genetically-encoded photocaged selenocysteines

3 May, 2015 - 14:17

Chem. Commun., 2015, 51,8245-8248
DOI: 10.1039/C4CC07910H, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Rasa Rakauskaite, Giedre Urbanaviciute, Audrone Ruksenaite, Zita Liutkeviciute, Robertas Juskenas, Viktoras Masevicius, Saulius Klimasauskas
The first general approach for the biosynthesis of selenoproteins that contain photocaged selenocysteine residues at genetically-encoded positions is described.
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Macrocyclic polyenynes: a stereoselective route to vinyl-ether-containing skipped diene systems

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8034-8036
DOI: 10.1039/C5CC02091C, CommunicationThomas O. Ronson, Martin H. H. Voelkel, Richard J. K. Taylor, Ian J. S. Fairlamb
Novel macrocyclic polyenyne 1, with skipped unsaturation, has been constructed using Pd-catalysed cross-coupling, Wittig olefination and lithiation/alkylation methodologies; the final Stille macrocyclisation utilised the promising precatalyst, AsCat.
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A short pyrene-fused pyrazaacene with red to near-infrared photoluminescence

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8037-8040
DOI: 10.1039/C5CC02459E, CommunicationRaul Garcia, Manuel Melle-Franco, Aurelio Mateo-Alonso
A pyrene-fused pyrazaacene with only four linearly-fused aromatic rings is reported, which remarkably shows emission at red to NIR wavelengths ([small lambda]em = 687 nm).
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Diels-Alders adducts of C60 and esters of 3-(1-indenyl)-propionic acid: alternatives for [60]PCBM in polymer:fullerene solar cells

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8126-8129
DOI: 10.1039/C5CC01642H, CommunicationAlexander B. Sieval, Neil D. Treat, Desiree Rozema, Jan C. Hummelen, Natalie Stingelin
Two new, easily synthesized fullerene derivatives are introduced that give significantly higher device efficiency (PCE) than [60]PCBM in the standard P3HT:fullerene solar cells.
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Benzofurocarbazole and benzothienocarbazole as donors for improved quantum efficiency in blue thermally activated delayed fluorescent devices

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8105-8107
DOI: 10.1039/C5CC01940K, CommunicationDong Ryun Lee, Seok-Ho Hwang, Sang Kyu Jeon, Chil Won Lee, Jun Yeob Lee
Benzofurocarbazole and benzothienocarbazole were used as electron donors of thermally activated delayed fluorescence (TADF) emitters and the performances of the TADF devices were examined.
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Carbon monoxide-isocyanide coupling promoted by acetylide addition to a diiron complex

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8101-8104
DOI: 10.1039/C5CC01958C, CommunicationFabio Marchetti, Stefano Zacchini, Valerio Zanotti
Unprecedented C-N coupling between isocyanide and carbon monoxide is promoted by acetylide addition to the diiron complex [Fe2{[small mu ]-CN(Me)(Xyl)}([small mu ]-CO)(CO)(CNXyl)(Cp)2][SO3CF3] (Xyl = 2,6-C6H3Me2), bearing an ancillary aminocarbyne ligand.
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Agglutination of single catalyst particles during fluid catalytic cracking as observed by X-ray nanotomography

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8097-8100
DOI: 10.1039/C5CC00401B, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.F. Meirer, S. Kalirai, J. Nelson Weker, Y. Liu, J. C. Andrews, B. M. Weckhuysen
X-ray nanotomography of a complete FCC particle cluster reveals increased metal concentrations at the interface of agglutinated E-cat particles, which might play a crucial role E-cat particle clustering.
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An organic-ligand-free thermochromic luminescent cuprous iodide trinuclear cluster: evidence for cluster centered emission and configuration distortion with temperature

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8062-8065
DOI: 10.1039/C5CC01154J, CommunicationShi-Li Li, Fu-Qiang Zhang, Xian-Ming Zhang
An organic-ligand-free cuprous iodide trinuclear cluster with significant temperature-dependent structural distortion shows thermochromic luminescence originating from a single cluster-centered triplet.
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Laser induced SERS switching using plasmonic heating of PNIPAM coated HGNs

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8138-8141
DOI: 10.1039/C5CC01429H, CommunicationH. Kearns, N. C. Shand, K. Faulds, D. Graham
Laser induced plasmonic heating of PNIPAM coated HGNs turning 'on and off' the SERS enhancement.
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Catalyst-controlled reverse selectivity in C-C bond formation: NHC-Cu-catalyzed [small alpha]-selective allylic alkylation with organolithium reagents

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8142-8145
DOI: 10.1039/C5CC01521A, CommunicationStefano F. Pizzolato, Massimo Giannerini, Pieter H. Bos, Martin Fananas-Mastral, Ben L. Feringa
An efficient and highly [small alpha]-selective copper-catalyzed allylic alkylation of allylic halides with organolithium reagents is presented.
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Nitrogen-doped carbon nanotubes with metal nanoparticles as counter electrode materials for dye-sensitized solar cells

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8146-8149
DOI: 10.1039/C5CC01379H, CommunicationYedi Xing, Xiaojia Zheng, Yihui Wu, Mingrun Li, Wen-Hua Zhang, Can Li
Nitrogen-doped carbon nanotubes confining Co and Ni nanoparticles are employed as counter electrodes (CEs) in dye-sensitized solar cells, showing photovoltaic performance comparable to or superior to the devices with sputtered platinum as the CE.
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Site-specific fluorescence spectrum detection and characterization of hASIC1a channels upon toxin mambalgin-1 binding in live mammalian cells

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8153-8156
DOI: 10.1039/C5CC01418B, CommunicationMing Wen, Xiaoqi Guo, Peibei Sun, Liang Xiao, Juan Li, Ying Xiong, Jin Bao, Tian Xue, Longhua Zhang, Changlin Tian
Fluorescence spectrum detection in live mammalian cells was applied for conformational response analysis of hASIC1a channels upon toxin binding.
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Tetracoordinate silicon complexes of 1,2-bis(indol-2-yl)benzene as blue-emitting dyes in the solid state

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8123-8125
DOI: 10.1039/C5CC01625H, CommunicationTakayuki Tanaka, Atsuhiro Osuka
1,2-Bis(indol-2-yl)benzene was prepared and found to serve as an effective bidentate ligand to form stable silicon complexes bearing two N-Si bonds.
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Mix and print: fast optimization of mesoporous CuCeZrOw for catalytic oxidation of n-hexane

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8157-8160
DOI: 10.1039/C5CC01078K, CommunicationFenfen Huang, Shenliang Wang, Wuzhong Yi, Shihui Zou, Changlei Chen, Liping Xiao, Xiaonao Liu, Jie Fan
Fast optimization of mesoporous ternary metal oxide (CuCeZrOw) catalysts for n-hexane oxidation is achieved via a newly developed combinatorial approach based on ink-jet printing assisted synthesis and multi-dimensional group testing.
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Turn-on and label-free fluorescence detection of lead ions based on target-induced G-quadruplex formation

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8165-8168
DOI: 10.1039/C5CC01590A, CommunicationLijun Xu, Xiaoqiang Shen, Shanni Hong, Jine Wang, Yuanyuan Zhang, Hongyan Wang, Jianye Zhang, Renjun Pei
Using a guanine-rich sequence (AGRO100) and N-methyl mesoporphyrin IX (NMM), a turn-on and label-free fluorescent Pb2+ sensor with high sensitivity and low background fluorescence was presented as a representative of five turn-on sensing systems.
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Automated growth of metal-organic framework coatings on flow-through functional supports

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8169-8172
DOI: 10.1039/C5CC01186H, CommunicationF. Maya, C. Palomino Cabello, S. Clavijo, J. M. Estela, V. Cerda, G. Turnes Palomino
Metal-organic framework coatings on flow-through functional supports were prepared using automated flow-based techniques.
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A reversible and selective chemosensor based on intramolecular NHNH2 hydrogen bonding for cyanide and pH detection

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8173-8176
DOI: 10.1039/C5CC01280E, CommunicationChuanxiu Zhang, Kai Ji, Xinyu Wang, Hongwei Wu, Chuanxiang Liu
A highly selective and reversible chemosensor for cyanide and pH detection was developed based on intramolecular NHNH2 hydrogen bonding.
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Exploiting anthracene photodimerization within peptides: light induced sequence-selective DNA binding

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8130-8133
DOI: 10.1039/C5CC01618E, CommunicationGemma A. Bullen, James H. R. Tucker, Anna F. A. Peacock
Here we detail the first example of anthracene photodimerisation in peptides, and use it to trigger a selective biomolecular recognition event.
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(3E,7E)-3,7-Bis(2-oxoindolin-3-ylidene)-5,7-dihydropyrrolo[2,3-f]indole-2,6(1H,3H)-dione based polymers for ambipolar organic thin film transistors

29 April, 2015 - 13:17

Chem. Commun., 2015, 51,8093-8096
DOI: 10.1039/C5CC01021G, CommunicationYinghui He, Chang Guo, Bin Sun, Jesse Quinn, Yuning Li
A novel acceptor, (3E,7E)-3,7-bis(2-oxoindolin-3-ylidene)-5,7-dihydropyrrolo[2,3-f]indole-2,6(1H,3H)-dione, is synthesized and used for donor-acceptor polymer semiconductors.
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