Chem. Commun.

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Connection of zinc paddle-wheels in a pto-type metal-organic framework with 2-methylimidazolate and subsequent incorporation of charged organic guests

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6785-6788
DOI: 10.1039/C4CC01501K, CommunicationNakeun Ko, Kyungkyou Noh, Siyoung Sung, Hye Jeong Park, Sang Youn Park, Jaheon Kim
2-Methylimidazolate (mIm) connects the Zn2 paddle-wheels in a pto type framework, leading to an anionic metal-organic framework.
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Introducing charge transfer functionality into prebiotically relevant [small beta]-sheet peptide fibrils

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6733-6736
DOI: 10.1039/C4CC00717D, CommunicationDenis Ivnitski, Moran Amit, Boris Rubinov, Rivka Cohen-Luria, Nurit Ashkenasy, Gonen Ashkenasy
Amphiphilic peptide possessing non-natural aromatic groups forms fibrils consisting long range [small pi]-stacking interactions. Being similar to previously studied replicator the peptide is suggested as future component in functional self-synthesizing materials.
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Multivalent comb-type aptamer-siRNA conjugates for efficient and selective intracellular delivery

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6765-6767
DOI: 10.1039/C4CC01620C, CommunicationHyundong Yoo, Hyosook Jung, Seung An Kim, Hyejung Mok
In this study, a simple and efficient strategy for selective intracellular delivery of RNA therapeutics into target cancer cells was designed using direct complementary base pairing between chemically conjugated multimeric antisense strands and aptamer-incorporating sense strands.
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Facile access to 3,5-symmetrically disubstituted 1,2,4-thiadiazoles through phosphovanadomolybdic acid catalyzed aerobic oxidative dimerization of primary thioamides

2 June, 2014 - 02:54

Chem. Commun., 2014, 50,6748-6750
DOI: 10.1039/C4CC02313G, CommunicationKazuhisa Yajima, Kazuya Yamaguchi, Noritaka Mizuno
Phosphovanadomolybdic acids can efficiently catalyze aerobic oxidative dimerization of various kinds of primary thioamides.
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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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