Chem. Commun.

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A new type of carbon nitride-based polymer composite for enhanced photocatalytic hydrogen production

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6762-6764
DOI: 10.1039/C4CC00397G, CommunicationZheng Xing, Zhigang Chen, Xu Zong, Lianzhou Wang
This communication reports on a new type of composite photocatalysts using a conducting polymer PEDOT as a hole transport pathway for promoting charge separation in photocatalytic hydrogen production.
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[small pi]-Extended tetrathiafulvalene BODIPY (ex-TTF-BODIPY): a redox switched "on-off-on" electrochromic system with two near-infrared fluorescent outputs

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6758-6761
DOI: 10.1039/C4CC02567A, CommunicationNathan L. Bill, Jong Min Lim, Christina M. Davis, Steffen Bahring, Jan O. Jeppesen, Dongho Kim, Jonathan L. Sessler
Ex-TTF-BODIPY functions as a near-IR electrochromic and electrofluorochromic switch, displaying redox controlled "on-off-on" emission features.
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Flexible patterned micro-electrochemical capacitors based on PEDOT

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6789-6792
DOI: 10.1039/C4CC02280G, CommunicationLishuang Fan, Naiqing Zhang, Kening Sun
We reported fabrication of patterned flexible MECs using inkjet printing. The obtained flexible MECs exhibited a very high specific capacitance of 6.4 mF cm-2, and revealed long-term cycling stability.
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Rapid construction of an effective antifouling layer on a Au surface via electrodeposition

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6793-6796
DOI: 10.1039/C4CC01329H, CommunicationBor-Ran Li, Mo-Yuan Shen, Hsiao-hua Yu, Yaw-Kuen Li
An electrodeposited zwitterion layer enables reduction of non-specific adsorption up to 95% on a gold surface from fetal bovine serum.
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A simple access to N-(un)substituted isoquinolin-1(2H)-ones: unusual formation of regioisomeric isoquinolin-1(4H)-ones

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6797-6800
DOI: 10.1039/C4CC01580K, CommunicationR. Gangadhara Chary, G. Dhananjaya, K. Vara Prasad, S. Vaishaly, Y. S. S. Ganesh, Balakrishna Dulla, K. Shiva Kumar, Manojit Pal
We report ligand/additive/Pd-free Cu-mediated unique synthesis of isoquinolin-1(2H)-ones and isoquinolin-1(4H)-ones.
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Dihydrothiophenes containing quaternary stereogenic centres by sequential stereospecific rearrangements and ring-closing metathesis

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6754-6757
DOI: 10.1039/C4CC02596B, CommunicationGaelle Mingat, Joseph J. W. McDouall, Jonathan Clayden
Tandem stereospecific rearrangements by [3,3]-sigmatropic shift and N to C aryl migration give tertiary thiols that undergo ring closing metathesis to dihydrothiophenes.
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A rational approach for generating cardiac troponin I selective Spiegelmers

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6801-6804
DOI: 10.1039/C4CC00447G, CommunicationZsuzsanna Szeitner, Gergely Lautner, Szilvia K. Nagy, Robert E. Gyurcsanyi, Tamas Meszaros
We report the first protein selective Spiegelmers of diagnostic relevance by rational identification of a target epitope and reverse screening of Spiegelmer candidates following the selection procedure.
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Diastereo- and enantioselective synthesis of 1,3,5,7-tetraol structural units using a Prins cyclisation-reductive cleavage sequence

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6718-6721
DOI: 10.1039/C4CC02702G, CommunicationElodie Brun, Veronique Bellosta, Janine Cossy
Stereocontrolled access to all the diastereomers of 1,3,5,7-tetraol structural units was developed using a Prins cyclisation-reductive cleavage sequence.
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Pd-catalyzed highly regio-, diastereo-, and enantioselective allylic alkylation of [small alpha]-fluorophosphonates

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6751-6753
DOI: 10.1039/C4CC02158D, CommunicationYing Huang, Qing-Song Zhang, Ping Fang, Tie-Gen Chen, Jun Zhu, Xue-Long Hou
[small alpha]-Fluorophosphonates with two chiral centers have been synthesised in high diastereo- and enatioselectivites via Pd-catalyzed AAA of 2-fluoro-2-(diethoxyphosphoryl)acetate with monosubstituted allylic substrates. Their transformations were also demonstrated.
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Regulative peroxidase activity of DNA-linked hemin by graphene oxide for fluorescence DNA sensing

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6714-6717
DOI: 10.1039/C4CC02273D, CommunicationQuanbo Wang, Nan Xu, Jianping Lei, Huangxian Ju
The inhibition effect of graphene oxide toward the peroxidase activity of DNA-linked hemin was identified for fluorescence DNA sensing.
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Ascorbate as an electron relay between an irreversible electron donor and Ru(II) or Re(I) photosensitizers

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6737-6739
DOI: 10.1039/C4CC01500B, CommunicationCyril Bachmann, Benjamin Probst, Miguel Guttentag, Roger Alberto
Ascorbate acts as a reversible electron shuttle between tris(2-carboxyethyl) phosphine (TCEP) and ReI or RuII photosensitizers.
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An ensemble of aptamers and antibodies for multivalent capture of cancer cells

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6722-6725
DOI: 10.1039/C4CC02002B, CommunicationJinling Zhang, Weian Sheng, Z. Hugh Fan
We created multivalent binding surfaces on microfluidic channels using an ensemble of aptamers and antibodies for capturing cancer cells.
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Dimensionality changes in the solid phase at room temperature: 2D [rightward arrow] 1D [rightward arrow] 3D evolution induced by ammonia sorption-desorption on zinc phosphates

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6729-6732
DOI: 10.1039/C4CC01314J, CommunicationZakariae Amghouz, Beatriz Ramajo, Sergei A. Khainakov, Ivan da Silva, German R. Castro, Jose R. Garcia, Santiago Garcia-Granda
2D [rightward arrow] 1D [rightward arrow] 3D dimensionality changes on zinc phosphates induced by ammonia sorption-desorption in the solid phase at room temperature.
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A one-pot hypoiodite catalysed oxidative cycloetherification approach to benzoxazoles

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6726-6728
DOI: 10.1039/C4CC02425G, CommunicationSiva Senthil Kumar Boominathan, Wan-Ping Hu, Gopal Chandru Senadi, Jaya Kishore Vandavasi, Jeh-Jeng Wang
A TBAI/TBHP catalysed one-pot approach to [small alpha]-ketobenzoxazoles was developed in high yields with a wide substrate scope.
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Mapping functional groups on oxidised multi-walled carbon nanotubes at the nanometre scale

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6744-6747
DOI: 10.1039/C4CC02026J, CommunicationA. E. Goode, N. D. M. Hine, S. Chen, S. D. Bergin, M. S. P. Shaffer, M. P. Ryan, P. D. Haynes, A. E. Porter, D. W. McComb
Functional peaks have been mapped across individual multi-walled CNTs with low-dose, monochromated electron energy-loss spectroscopy (EELS) in the scanning transmission electron microscope (STEM).
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MnII-containing coordination nanoparticles as highly efficient T1 contrast agents for magnetic resonance imaging

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6740-6743
DOI: 10.1039/C4CC01251H, CommunicationGabriella Paul, Yoann Prado, Nada Dia, Eric Riviere, Sophie Laurent, Mathieu Roch, Luce Vander Elst, Robert N. Muller, Lucie Sancey, Pascal Perriat, Olivier Tillement, Talal Mallah, Laure Catala
Nanoparticles of MnII-containing Prussian blue analogues reveal large longitudinal relaxivities exceeding that of clinical contrast agents.
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Additive-free synthesis of V4O7 hierarchical structures as high performance cathodes for lithium ion batteries

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6775-6778
DOI: 10.1039/C4CC01050G, CommunicationXinran Wang, Shili Zheng, Xuechao Mu, Yi Zhang, Hao Du
A V4O7 nanocross was first solvothermally-synthesized with improved cathode stability for lithium-ion batteries.
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Development of a Ru complex-incorporated MOF photocatalyst for hydrogen production under visible-light irradiation

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6779-6781
DOI: 10.1039/C4CC02397H, CommunicationTakashi Toyao, Masakazu Saito, Satoru Dohshi, Katsunori Mochizuki, Masatoshi Iwata, Hideyuki Higashimura, Yu Horiuchi, Masaya Matsuoka
A Ru complex-incorporated Ti-based MOF (Ti-MOF-Ru(tpy)2) has been synthesised and applied to photocatalytic hydrogen production under visible-light irradiation.
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Water-dispersible silicon dots as a peroxidase mimetic for the highly-sensitive colorimetric detection of glucose

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6771-6774
DOI: 10.1039/C4CC01703J, CommunicationQiong Chen, Meiling Liu, Jiangna Zhao, Xue Peng, Xiaojiao Chen, Naxiu Mi, Bangda Yin, Haitao Li, Youyu Zhang, Shouzhuo Yao
We demonstrate that photoluminescent Si-dots exhibit an intrinsic peroxidase-like activity, and can catalyze the oxidization of 3,3[prime or minute],5,5[prime or minute]-tetramethylbenzidine (TMB) by H2O2, and produce a color change.
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Inter/intramolecular Cherenkov radiation energy transfer (CRET) from a fluorophore with a built-in radionuclide

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6711-6713
DOI: 10.1039/C4CC01690D, CommunicationYann Bernhard, Bertrand Collin, Richard A. Decreau
Some radionuclides emit optical light, the Cherenkov radiation (CR, i.e. the blue glow in nuclear reactors), which activates fluorophores.
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