Chem. Commun.

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Cu-catalysed oxidative C-H/C-H coupling polymerisation of benzodiimidazoles: an efficient approach to regioregular polybenzodiimidazoles for blue-emitting materials

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06291D, CommunicationQuan Huang, Xurong Qin, Bijin Li, Jingbo Lan, Qiang Guo, Jingsong You
The Cu-catalysed oxidative C-H/C-H coupling reaction of azoles has been used for the first time to develop polymerisation. The resulting polybenzodiimidazoles exhibit high molecular weights, regioregularity.
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Electrospun aggregation-induced emission active POSS-based porous copolymer films for detection of explosives

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06559J, CommunicationHui Zhou, Qun Ye, Wei Teng Neo, Jing Song, Hong Yan, Yun Zong, Ben Zhong Tang, T. S. Andy Hor, Jianwei Xu
Electrospun AIE-active POSS-based copolymer films exhibit an approximately 9-fold increase in response to explosive vapors compared to dense films.
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Fabrication of folate bioconjugated near-infrared fluorescent silver nanoclusters for targeted in vitro and in vivo bioimaging

25 September, 2014 - 08:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06329E, CommunicationYong Wang, Cong Dai, Xiu-Ping Yan
Thiolpolyethyleneimine stabilized silver nanoclusters (SH-PEI-AgNCs) with intense NIR fluorescence and chemical stability were fabricated in aqueous solution. The SH-PEI-AgNCs were subsequently bioconjugated with folate for targeted in vitro and in...
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Direct Carboxylation of Simple Arenes with CO2 through a Rhodium-Catalyzed C-H Bond Activation

25 September, 2014 - 08:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06188H, CommunicationTakuya Suga, Hajime Mizuno, Jun Takaya, Nobuharu Iwasawa
A direct carboxylation of simple arenes under atmospheric pressure of CO2 is achieved through a rhodium-catalyzed C-H bond activation without the assistance of a directing group. Various arenes such as...
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Reversible formation of a poly[3]rotaxane based on photo dimerization of an anthracene-capped [3]rotaxane

25 September, 2014 - 08:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07044E, CommunicationPeifa Wei, Xuzhou Yan, Feihe Huang
A poly[3]rotaxane consisting of a "topologically linked polymer backbone" in one pot from readily available, modular building blocks via a dynamic polymerization strategy based on reversible anthracene dimerization was prepared.
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A universal molecular translator for non-nucleic acid targets that enables dynamic DNA assemblies and logic operations

25 September, 2014 - 08:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07041K, CommunicationWei Tang, Shichao Hu, Huaming Wang, Yan Zhao, Na Li, Feng Liu
A universal molecular translator based on the target-triggered DNA strand displacement was developed, which was able to convert various kinds of non-nucleic acid targets into a unique output DNA. This...
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Facile Assembly of Nanocrystals by Optimizing Humidity

25 September, 2014 - 08:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06603K, CommunicationMing Zhou, Mattias Grahn, Han Zhou, Allan Holmgren, Jonas Hedlund
The ambient humidity and the nature of substrates are considered coordinately in assembly of nano-sized crystals. The nanocrystal monolayers show large-area uniformity without any aggregates. Zeolite and hematite monolayers with...
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Chemical-responsive control of lower critical solution temperature behavior by pillar[10]arene-based host-guest interactions

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06927G, CommunicationXiaodong Chi, Min Xue
A new water-soluble thermoresponsive pillar[10]arene with tri(ethylene oxide) groups was synthesized and its cloud point could be reversibly controlled based on a chemical-responsive host-guest system.
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Studies towards the synthesis of halomon: asymmetric hexafunctionalisation of myrcene

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06234E, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.D. Christopher Braddock, Alison X. Gao, Andrew J. P. White, Mariko Whyte
A four-step sequence provides an enantiomerically pure hexafunctionalised myrcene as an advanced intermediate in the targeted synthesis of halomon.
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Layer-separated distribution of nitrogen doped graphene by wrapping on carbon nitride tetrapods for enhanced oxygen reduction reactions in acidic medium

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06180B, CommunicationSreekuttan M. Unni, Rajith Illathvalappil, Pranav K. Gangadharan, Siddheswar N. Bhange, Sreekumar Kurungot
An efficient metal-free oxygen reduction catalyst active in acidic medium could be prepared by layer separated wrapping of nitrogen doped graphene on carbon nitride tetrapod units.
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Tandem catalysis: a new approach to polypeptides and cyclic carbonates

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05730A, CommunicationSumesh K. Raman, Emilie Brule, Mathieu J.-L. Tschan, Christophe M. Thomas
Commercially available complexes are efficient catalysts for polymerization of [small alpha]-aminoacid-N-carboxyanhydrides followed by cycloaddition of the resulting carbon dioxide to epoxides.
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Halo-tag mediated self-labeling of fluorescent proteins to molecular beacons for nucleic acid detection

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07118B, CommunicationDaniel Blackstock, Wilfred Chen
We report the generation of a fluorescent protein (FP)-based dual molecular beacon (MB) system for nucleic acid detection using Halo-tag mediated self-labeling. Enhanced intracellular delivery was demonstrated by simply tethering a well-known TAT peptide sequence to the N-terminus of the fusion proteins.
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A chameleon catalyst for nonheme iron-promoted olefin oxidation

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06164K, CommunicationShyam R. Iyer, Maedeh Moshref Javadi, Yan Feng, Min Young Hyun, Williamson N. Oloo, Cheal Kim, Lawrence Que
We report the chameleonic reactivity of two nonheme iron catalysts for olefin oxidation with H2O2 that switch from nearly exclusive cis-dihydroxylation of electron-poor olefins to the exclusive epoxidation of electron-rich olefins upon addition of acetic acid.
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Significant promotion effect of carbon nanotubes on the electrocatalytic activity of supported Pd NPs for ethanol oxidation reaction of fuel cells: the role of inner tubes

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06185C, CommunicationJin Zhang, Yi Cheng, Shanfu Lu, Lichao Jia, Pei Kang Shen, San Ping Jiang
Inner tubes of CNTs play a significant role in the electrocatalytic activity of supported Pd NPs for the ethanol oxidation reaction.
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Dual doping effects (site blockage and electronic promotion) imposed by adatoms on Pd nanocrystals for catalytic hydrogen production

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06195K, CommunicationS. Jones, S. M. Fairclough, M. Gordon-Brown, W. Zheng, A. Kolpin, B. Pang, W. C. H. Kuo, J. M. Smith, S. C. E. Tsang
Distinctive doping effects are presented, which modify electronic and geometric properties of Pd nanocrystals for HCOOH decomposition affecting activity and selectivity.
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Invasive reaction assisted strand-displacement signal amplification for sensitive DNA detection

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06079B, CommunicationBingjie Zou, Qinxin Song, Jianping Wang, Yunlong Liu, Guohua Zhou
An extension-block base in a molecular beacon enables beacon-assisted strand-displacement amplification to couple with invasive reaction efficiently by flap extension.
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Potential-controlled rotaxane molecular shuttles based on electron-deficient macrocyclic complexes

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06718E, CommunicationM. Wozny, J. Pawlowska, K. M. Tomczyk, R. Bilewicz, B. Korybut-Daszkiewicz
A potential-controlled molecular switch exhibits two different dynamic processes - the translocation of the rotaxane ring occurs simultaneously with folding/unfolding of the axle.
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Orienting the heterocyclic periphery: a structural model for chloroquine's antimalarial activity

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05328A, CommunicationErin L. Dodd, D. Scott Bohle
A fluorescent structurally characterized chloroquine-metalloporphyrin adduct has been prepared and characterized. This allows for new insights into antimalarial drug-heme interactions.
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Supported core-shell nanobiosensors for quantitative fluorescence imaging of extracellular pH

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06075J, CommunicationJeremie Asselin, Carl Roy, Denis Boudreau, Younes Messaddeq, Rihab Bouchareb, Patrick Mathieu
"Click" chemistry was used to functionalize silica substrates with pH-sensitive nanoparticles, thus producing uniform and highly luminescent ion-sensitive surfaces for quantitative and spatially-resolved extracellular measurements on live cells.
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Synthesis and properties of DNA oligonucleotides with a zwitterionic backbone structure

25 September, 2014 - 08:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06371F, CommunicationBoris Schmidtgall, Anatol P. Spork, Falk Wachowius, Claudia Hobartner, Christian Ducho
Oligonucleotides with (partially) zwitterionic backbone structures show duplex formation with native polyanionic counterstrands and retained sensitivity towards base-pairing mismatches.
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