Chem. Commun.

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Nano-scale characterization of binary self-assembled monolayers under an ambient condition with STM and TERS

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9862-9864
DOI: 10.1039/C4CC02754J, CommunicationNoriko N. Horimoto, Shigeru Tomizawa, Yasuhiko Fujita, Shinji Kajimoto, Hiroshi Fukumura
Gold surfaces were modified by benzyl-mercaptan (BM) and then partly replaced with benzenethiol (BT), which formed binary self-assembled monolayers (SAM).
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One-step preparation of mirror-like NiS nanosheets on ITO for the efficient counter electrode of dye-sensitized solar cells

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9869-9871
DOI: 10.1039/C4CC03798G, CommunicationXun Sun, Jie Dou, Fengyan Xie, Yafeng Li, Mingdeng Wei
A just one-hour hydrothermal method was developed to synthesize a mirror-like nickel sulfide counter electrode without any post-treatment.
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Rhodium(III)-catalyzed olefinic C-H alkynylation of enamides at room temperature

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9865-9868
DOI: 10.1039/C4CC04072D, CommunicationChao Feng, Daming Feng, Teck-Peng Loh
Rh(III)-catalyzed C-H olefinic alkynylation of enamides for the stereospecific construction of synthetically useful Z-type enynamides is reported. This protocol displays good functionality tolerance and operational simplicity thus providing an alternative synthetic opportunity for the ease of access to specific 1,3-enyne derivatives.
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A novel fluorescence probe for estimation of cysteine/histidine in human blood plasma and recognition of endogenous cysteine in live Hct116 cells

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9899-9902
DOI: 10.1039/C4CC04214J, CommunicationUpendar Reddy G., Hridesh Agarwalla, Nandaraj Taye, Suvankar Ghorai, Samit Chattopadhyay, Amitava Das
A new cell membrane permeable reagent for detection of endogenous Cys as well as quantitative estimation of Cys and His in a human blood plasma sample.
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An integration of condensation/Ullmann-type coupling/bicyclization sequences: copper-catalyzed three-component direct synthesis of [1,2,4]triazolo[1,5-b]isoquinolin-5(1H)-ones

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9914-9916
DOI: 10.1039/C4CC03420A, CommunicationFeng-Cheng Jia, Cheng Xu, Qun Cai, An-Xin Wu
A highly efficient three-component domino protocol has been developed for the synthesis of [1,2,4]triazolo[1,5-b]isoquinolin-5(1H)-ones from simple and readily available o-halogenated benzohydrazides, aldehydes and nitriles.
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A silver nanowire-based tip suitable for STM tip-enhanced Raman scattering

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9839-9841
DOI: 10.1039/C4CC02750G, CommunicationYasuhiko Fujita, Rie Chiba, Gang Lu, Noriko N. Horimoto, Shinji Kajimoto, Hiroshi Fukumura, Hiroshi Uji-i
A chemically synthesized silver nanowire was used for atomic-resolution STM imaging and tip-enhanced Raman scattering (TERS) spectroscopy, yielding excellent reproducibility.
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Systematic synthesis of sulfated oligofucosides and their effect on breast cancer MCF-7 cells

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9831-9834
DOI: 10.1039/C4CC03544E, CommunicationShinsuke Arafuka, Nozomi Koshiba, Daisuke Takahashi, Kazunobu Toshima
A designed and synthesized sulfated tetrafucoside effectively induced apoptosis in MCF-7 cells through activation of caspase-8.
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Well-defined transition metal hydrides in catalytic isomerizations

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9816-9826
DOI: 10.1039/C4CC02399D, Feature ArticleEvgeny Larionov, Houhua Li, Clement Mazet
This Feature Article intends to provide an overview of a variety of catalytic isomerization reactions that have been performed using well-defined transition metal hydride precatalysts.
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Fluorescent silver nanoclusters stabilized by DNA scaffolds

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9800-9815
DOI: 10.1039/C4CC02981J, Feature ArticleZhiqin Yuan, Ying-Chieh Chen, Hung-Wen Li, Huan-Tsung Chang
This feature article summarizes the synthesis, optical properties, and analytical applications of highly fluorescent and biocompatible DNA stabilized silver nanoclusters.
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A novel fully water-soluble Cu(I) probe for fluorescence live cell imaging

3 August, 2014 - 18:17

Chem. Commun., 2014, 50,9835-9838
DOI: 10.1039/C4CC02147A, CommunicationMaria Laura Giuffrida, Enrico Rizzarelli, Gaetano A. Tomaselli, Cristina Satriano, Giuseppe Trusso Sfrazzetto
Monovalent copper detection in solution and in living cells by a new probe is shown. Total water solubility, localization in mitochondria and negligible toxicity of OBEP-CS1 make it suitable for in vitro measurements.
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Efficient optical resolution of water-soluble self-assembled tetrahedral M4L6 cages with 1,1[prime or minute]-bi-2-naphthol

30 July, 2014 - 17:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04145C, CommunicationShigang Wan, Li-Rong Lin, Lili Zeng, Yiji Lin, Hui Zhang
Self-assembled tetrahedral M4L6 cages were successfully resolved into their [capital Delta][capital Delta][capital Delta][capital Delta] and [capital Lambda][capital Lambda][capital Lambda][capital Lambda] enantiomers by (R)-/(S)-1,1[prime or minute]-bi-2-naphthol.
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The glyco-stereoisomerism effect on hydrogelation of polymers interacting via dynamic covalent bonds

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9779-9782
DOI: 10.1039/C4CC04735D, CommunicationMingchang Lin, Pengfei Sun, Guosong Chen, Ming Jiang
This work explores, for the first time, the stereoisomerism effect of sugar units of glycopolymers on hydrogelation.
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An efficient regioselective hydrodifluoromethylation of unactivated alkenes with TMSCF2CO2Et at ambient temperature

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9749-9752
DOI: 10.1039/C4CC04591B, CommunicationGuobin Ma, Wen Wan, Jialiang Li, Qingyang Hu, Haizhen Jiang, Shizheng Zhu, Jing Wang, Jian Hao
An efficient regioselective hydrodifluoromethylation of diverse unactivated vicinal alkenes is described. The primary mechanistic investigations indicate that a CF2COOEt radical species is involved.
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Rh(III)-Catalyzed synthesis of sultones through C-H activation directed by a sulfonic acid group

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9776-9778
DOI: 10.1039/C4CC03627A, CommunicationZisong Qi, Mei Wang, Xingwei Li
Rh(III)-Catalyzed oxidative coupling of sulfonic acids with alkynes affords sultones in high efficiency.
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Mechanochemical lithiation of layered polysilane

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9761-9764
DOI: 10.1039/C4CC03850A, CommunicationMasataka Ohashi, Hideyuki Nakano, Tetsuya Morishita, Michelle J. S. Spencer, Yuka Ikemoto, Chihiro Yogi, Toshiaki Ohta
Lithiated polysilane was synthesized by the mechanochemical reaction of layered polysilane with metallic lithium. The resulting dark green powder formed a Si-Li bond on the surface and demonstrated electroconductivity.
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A non-aqueous procedure to synthesize amino group bearing nanostructured organic-inorganic hybrid materials

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9753-9756
DOI: 10.1039/C4CC03640A, CommunicationM. Goring, A. Seifert, K. Schreiter, P. Muller, S. Spange
Amino group functionalized organic-inorganic hybrid materials are available in almost quantitative yields by a non-aqueous procedure using 2,2[prime or minute]-spirobi[4H-1,3,2-benzodioxazoiline] and 3-amino-functionalized n-propyl-2-methyl-4H-1,3,2-benzodioxazoilines.
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An efficient ruthenium(IV) catalyst for the selective hydration of nitriles to amides in water under mild conditions

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9661-9664
DOI: 10.1039/C4CC04058A, CommunicationEder Tomas-Mendivil, Francisco J. Suarez, Josefina Diez, Victorio Cadierno
A ruthenium catalyst able to promote the selective conversion of nitriles to amides in water, at low metal loadings and under mild conditions, is presented.
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Fluorescent supramolecular metal assemblies as 'no quenching' probes for detection of threonine in the nanomolar range

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9725-9728
DOI: 10.1039/C4CC03877K, CommunicationSharanjeet Kaur, Vandana Bhalla, Manoj Kumar
A highly sensitive detection of threonine is realized using a supramolecular ensemble of aggregates of hetero-oligophenylene derivative 3 and Zn2+ ions. On the basis of fluorogenic response of aggregates of 3 toward Zn2+ ions and threonine, we have constructed a 2-input, 3-output sequential logic circuit at the molecular level.
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CH3NH3PbI(3-x)(BF4)x: molecular ion substituted hybrid perovskite

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9741-9744
DOI: 10.1039/C4CC04537H, CommunicationSatyawan Nagane, Umesh Bansode, Onkar Game, Shraddha Chhatre, Satishchandra Ogale
The hybrid perovskite CH3NH3PbI(3-x)(BF4)x shows one order of magnitude enhancement in the low frequency electrical conductivity as compared to the conventional perovskite (CH3NH3PbI3). When employed in a photo-sensor device architecture it shows over four orders of magnitude photosensitivity under AM1.5 irradiation.
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Ultrasensitive aptamer-based SERS detection of PSAs by heterogeneous satellite nanoassemblies

30 July, 2014 - 17:17

Chem. Commun., 2014, 50,9737-9740
DOI: 10.1039/C4CC03734K, CommunicationWei Ma, Honghong Yin, Liguang Xu, Xiaoling Wu, Hua Kuang, Libing Wang, Chuanlai Xu
Plasmonic heterogeneous core-satellite assemblies possess a strong SERS effect and are built for PSA detection with a LOD of 4.8 aM.
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