Chem. Commun.

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Glycoconjugated porphyrin dimers as robust ratiometric temperature sensors

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9529-9532
DOI: 10.1039/C4CC03367A, CommunicationFabien Hammerer, Guillaume Garcia, Pauline Charles, Aude Sourdon, Sylvain Achelle, Marie-Paule Teulade-Fichou, Philippe Maillard
We report the properties of glycoconjugated porphyrin dimers behaving as highly sensitive ratiometric temperature sensors in water.
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A nanocellulose-dye conjugate for multi-format optical pH-sensing

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9493-9496
DOI: 10.1039/C4CC02983F, CommunicationPrashant Chauhan, Caroline Hadad, Ana Herreros Lopez, Simone Silvestrini, Valeria La Parola, Enrico Frison, Michele Maggini, Maurizio Prato, Tommaso Carofiglio
A pH-sensitive azo-dye covalently grafted onto cellulose nanocrystals yields nanostructured optodes in the form of membranes, sticks, and water-based inks for optical pH detection.
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Cell imaging using red fluorescent light-up probes based on an environment-sensitive fluorogen with intramolecular charge transfer characteristics

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9497-9500
DOI: 10.1039/C4CC04654D, CommunicationGuangxue Feng, Jie Liu, Ruoyu Zhang, Bin Liu
We report a general strategy to design and synthesize red fluorescent OFF/ON probes for cell imaging by taking advantage of the intramolecular charge transfer characteristics.
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Ditopic pillar[5]arene-based fluorescence enhancement material mediated by [c2]daisy chain formation

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9458-9461
DOI: 10.1039/C4CC03992K, CommunicationKai Wang, Chun-Yu Wang, Yumo Zhang, Sean Xiao-An Zhang, Bing Yang, Ying-Wei Yang
Ditopic pillarene-based fluorescence enhancement material, induced by [c2]daisy chain formation, can serve as a multi-responsive supramolecular sensor.
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Capsules with a hierarchical shell structure assembled by aminoglycosides and DNA via the kinetic path

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9525-9528
DOI: 10.1039/C4CC03508A, CommunicationJihan Zhou, Hao Wen, Fuyou Ke, Dong Shi, April A. Brisky, Nan Wang, Lin Zhu, Xiangyun Qiu, Dehai Liang
After simple mixing, DNA and aminoglycosides form capsules with a hierarchical shell structure: a smooth and rigid outer layer and a viscoelastic inner layer.
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Synthesis and characterization of two-dimensional Nb4C3 (MXene)

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9517-9520
DOI: 10.1039/C4CC03366C, CommunicationM. Ghidiu, M. Naguib, C. Shi, O. Mashtalir, L. M. Pan, B. Zhang, J. Yang, Y. Gogotsi, S. J. L. Billinge, M. W. Barsoum
By etching Nb4AlC3 powders in hydrofluoric acid, a phase-pure, highly conductive, Nb4C3 MXene - the second with formula M4X3 - was produced. The latter's structure was investigated using pair distribution function analysis.
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Epitope imprinted polyethersulfone beads by self-assembly for target protein capture from the plasma proteome

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9521-9524
DOI: 10.1039/C4CC03428G, CommunicationKaiguang Yang, Jianxi Liu, Senwu Li, Qinran Li, Qi Wu, Yuan Zhou, Qun Zhao, Nan Deng, Zhen Liang, Lihua Zhang, Yukui Zhang
Self-assembly techniques were applied to fabricate epitope imprinted polyethersulfone beads for target protein capture from the plasma proteome.
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Enhancement of (stereo)selectivity in dynamic kinetic resolution using a core-shell nanozeolite@enzyme as a bi-functional catalyst

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9501-9504
DOI: 10.1039/C4CC02112F, CommunicationWanlu Wang, Xiang Li, Zhoujun Wang, Yi Tang, Yahong Zhang
The (stereo)selectivity of products in dynamic kinetic resolution is greatly improved by using a core-shell nanozeolite@enzyme catalyst compared with mixed catalysts.
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Catalytic conversion of aryl triazenes into aryl sulfonamides using sulfur dioxide as the sulfonyl source

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9513-9516
DOI: 10.1039/C4CC03481C, CommunicationWanfang Li, Matthias Beller, Xiao-Feng Wu
Gaseous sulfur dioxide was incorporated into triazenes to form various sulfonamides, catalyzed by boron trifluoride and copper chloride.
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Hollow nitrogen-doped carbon spheres as efficient and durable electrocatalysts for oxygen reduction

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9473-9476
DOI: 10.1039/C4CC03437F, CommunicationJakkid Sanetuntikul, Tao Hang, Sangaraju Shanmugam
Hollow nitrogen-doped carbon spheres showed oxygen reduction activity comparable with a commercial Pt/C catalyst and excellent stability in alkaline electrolyte medium.
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A general metal free approach to [small alpha]-ketoamides via oxidative amidation-diketonization of terminal alkynes

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9533-9535
DOI: 10.1039/C4CC03783A, CommunicationRamesh Deshidi, Manjeet Kumar, Shekaraiah Devari, Bhahwal Ali Shah
A metal free catalytic system employing TMSOTf/I2/DMSO for the oxidative amidation-diketonization of terminal alkynes, in order to produce a wide variety of [small alpha]-ketoamides, has been developed.
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An engineered co-sensitization system for highly efficient dye solar cells

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9451-9453
DOI: 10.1039/C4CC01801J, CommunicationR. Agosta, R. Grisorio, L. De Marco, G. Romanazzi, G. P. Suranna, G. Gigli, M. Manca
Novel co-sensitizers have been structurally tailored and implemented in multi-sensitized devices demonstrating synergic efficiency enhancement.
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In situ study of the growth of two-dimensional palladium dendritic nanostructures using liquid-cell electron microscopy

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9447-9450
DOI: 10.1039/C4CC03500C, CommunicationGuomin Zhu, Yingying Jiang, Fang Lin, Hui Zhang, Chuanhong Jin, Jun Yuan, Deren Yang, Ze Zhang
Based on the bubble induced thin water layer technique, we directly probe the growth of 2D palladium dendritic nanostructures using liquid cell microscopy.
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Enhanced photoelectric performance of PbS/CdS quantum dot co-sensitized solar cells via hydrogenated TiO2 nanorod arrays

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9509-9512
DOI: 10.1039/C4CC02217C, CommunicationYanli Chen, Qiang Tao, Wuyou Fu, Haibin Yang, Xiaoming Zhou, Shi Su, Dong Ding, Yannan Mu, Xue Li, Minghui Li
The enhanced photoelectric performance of quantum dot sensitized solar cells via hydrogenated TiO2 is proposed.
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Chemoselective arylation of phenols with bromo-nitroarenes: synthesis of nitro-biaryl-ols and their conversion into benzofurans and carbazoles

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9481-9484
DOI: 10.1039/C4CC03090G, CommunicationAmit Kumar, Abhimanyu Yadav, Ajay Verma, Sadhan Jana, Moh. Sattar, Shailesh Kumar, Ch. Durga Prasad, Sangit Kumar
A series of substituted phenols were chemoselectively arylated with bromo-nitroarenes using KOtBu at room temperature via an SNAr pathway.
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Construction of supramolecular hyperbranched polymers via the "tweezering directed self-assembly" strategy

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9477-9480
DOI: 10.1039/C4CC03158J, CommunicationYu-Kui Tian, Zhi-Shuai Yang, Xiao-Qin Lv, Ri-Sheng Yao, Feng Wang
A bis-alkynylplatinum(II) terpyridine tweezer-alkynylgold(III) diphenylpyridine guest is shown to maintain a specific complexation in the presence of a B21C7-secondary ammonium salt recognition motif, which facilitates the formation of supramolecular hyperbranched polymers via a "tweezering directed self-assembly" strategy.
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Durable defense: robust and varied attachment of non-leaching poly"-onium" bactericidal coatings to reactive and inert surfaces

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9433-9442
DOI: 10.1039/C4CC02803A, Feature ArticleJeremy Yatvin, Jing Gao, Jason Locklin
An overview of the attachment of bactericidal poly"-onium" salts to a variety of reactive and inert surfaces.
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Photoluminescent supramolecular hyperbranched polymer without conventional chromophores based on inclusion complexation

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9584-9587
DOI: 10.1039/C4CC02880E, CommunicationWenyu Li, Jiale Qu, Jianwei Du, Kefeng Ren, Youxiang Wang, Jingzhi Sun, Qiaoling Hu
A novel photoluminescent SHP without conventional chromophores was constructed by inclusion complexation, which showed wide-band fluorescence dependent upon the excitation wavelength.
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Real-time fluorescence visualization of slow tautomerization of single free-base phthalocyanines under ambient conditions

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9443-9446
DOI: 10.1039/C4CC02574A, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.T. Ikeda, R. Iino, H. Noji
Defocused wide-field fluorescence microscopy visualized slow tautomerization of the emission transition dipole moment of single H2Pc at an air/glass interface.
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The facet-dependent enhanced catalytic activity of Pd nanocrystals

24 July, 2014 - 15:54

Chem. Commun., 2014, 50,9454-9457
DOI: 10.1039/C4CC02494J, CommunicationMinjune Kim, Yeonjoon Kim, Jong Wook Hong, Seihwan Ahn, Woo Youn Kim, Sang Woo Han
A systematic study of heterogeneous Buchwald-Hartwig amination using shape-controlled Pd nanocrystals with distinctly different surface facets is presented.
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