Chem. Commun.

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Direct photo-hydroxylation of the Zr-based framework UiO-66

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07882A, CommunicationJordi Aguilera-Sigalat, Alyssa Fox-Charles, Darren Bradshaw
We describe the direct post-synthetic hydroxylation of UiO-66 through the photogeneration of hydroxyl radicals.
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A ratiometric fluorescent probe with unexpected high selectivity for ATP and its application in cell imaging

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC08044K, CommunicationJia-Liang Tang, Chun-Yan Li, Yong-Fei Li, Chun-Xiang Zou
Naphthalimide-rhodamine (NR) is found to display high selectivity for ATP with a ratiometric fluorescence response in living cells.
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Ammonium based zwitterions showing both LCST- and UCST-type phase transitions after mixing with water in a very narrow temperature range

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06210H, CommunicationShohei Saita, Yuki Mieno, Yuki Kohno, Hiroyuki Ohno
Ammonium-based zwitterions having adequate hydrophilicity showed both LCST- and UCST-type phase transitions after mixing with water.
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Formal [4+2] annulation of enaminones and cyanomethyl sulfur ylide: one-pot access to polysubstituted pyridin-2(1H)-ones

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06665K, CommunicationQian Zhang, Xu Liu, Xiaoqing Xin, Rui Zhang, Yongjiu Liang, Dewen Dong
One-pot synthesis of polysubstituted pyridin-2(1H)-ones by formal [4+2] annulation of enaminones and cyanomethyl sulfur ylide is described involving sequential nucleophilic vinylic substitution, intramolecular nucleophilic cyclization and dealkylation reactions.
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Azobenzene-based chloride transporters with light-controllable activities

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07560A, CommunicationYe Rin Choi, Gyu Chan Kim, Hae-Geun Jeon, Jinhong Park, Wan Namkung, Kyu-Sung Jeong
Azobenzene-based chloride transporters exhibit photoresponsive transport activities across lipid and plasma membranes.
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Mechanically reinforced phosphoric acid doped quaternized poly(ether ether ketone) membranes via cross-linking with functionalized graphene oxide

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07791A, CommunicationNa Zhang, Baolong Wang, Yurong Zhang, Fanzhe Bu, Ying Cui, Xuefeng Li, Chengji Zhao, Hui Na
Functionalized graphene oxide as a cross-linker reinforces the tensile strength of phosphoric acid doped quaternized poly(ether ether ketone) membranes.
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MoS2 nanosheet/TiO2 nanowire hybrid nanostructures for enhanced visible-light photocatalytic activities

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07351G, CommunicationMeng Shen, Zhiping Yan, Lei Yang, Pingwu Du, Jingyu Zhang, Bin Xiang
The enhanced photocatalytic performance of as-synthesized MoS2 nanosheet-TiO2 hybrid nanostructures.
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Supramolecular chirality in peptide microcrystals

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05002A, CommunicationDmitry Kurouski, Joseph D. Handen, Rina K. Dukor, Laurence A. Nafie, Igor K. Lednev
VCD reveals supramolecular chirality in microcrystals of two peptide segments from human islet amyloid (IAPP, amylin). Previously such supramolecular chirality has been observed by VCD only for amyloid fibrils.
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Lanthanide organic-inorganic hybrids based on functionalized metal-organic frameworks (MOFs) for a near-UV white LED

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07852G, CommunicationYe Lu, Bing Yan
A novel near-UV white LED based on lanthanide organic-inorganic hybrid material is realized through postsynthetically modified MOFs and MOF-based polymers. The hybrids materials have high quantum yield and satisfactory luminescence stability; the assembled white LED has tuneable correlated color temperature and high color rendering index.
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Stereoselective synthesis of [varepsilon]-lactones or spiro-heterocycles through NHC-catalyzed annulation: divergent reactivity by catalyst control

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07788A, CommunicationMin Wang, Zi-Qiang Rong, Yu Zhao
NHC-catalyzed divergent annulation of enals with heterocyclic enones was developed to produce benzofuran/indole-containing [varepsilon]-lactones or spiro-heterocycles in a highly diastereo- and enantioselective fashion.
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Screening and investigation of a cyanine fluorescent probe for simultaneous sensing of glutathione and cysteine under single excitation

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06637E, CommunicationXu Wang, Jianzheng Lv, Xueying Yao, Yong Li, Fang Huang, Mengmeng Li, Jie Yang, Xiuyun Ruan, Bo Tang
Here we report the synthesis and screening of Cy-3-NO2 that showed simultaneous fluorescence sensing ability towards glutathione and cysteine under single excitation, and its application in living cell imaging.
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Pt/C trapped in activated graphitic carbon layers as a highly durable electrocatalyst for the oxygen reduction reaction

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06781A, CommunicationYao Nie, Siguo Chen, Wei Ding, Xiaohong Xie, Yun Zhang, Zidong Wei
A nitrogen-doped graphitic carbon layer was elaborately introduced into the Pt/C surface so that Pt NPs could survive the pyrolyzation.
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Compartmentalization of bacteria in microcapsules

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04901B, CommunicationJudith van Wijk, Tiaan Heunis, Elrika Harmzen, Leon M. T. Dicks, Jan Meuldijk, Bert Klumperman
Lactobacillus plantarum strain 423 was encapsulated in hollow poly(organosiloxane) microcapsules by templating water-in-oil Pickering emulsion droplets via the interfacial reaction of alkylchlorosilanes.
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An array sensor consisting of a single indicator with multiple concentrations and its application in ion discrimination

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07503J, CommunicationHui Li, Mingyan Jia, Jon R. Askim, Yu Zhang, Chunfeng Duan, Yafeng Guan, Liang Feng
Optical sensor arrays typically require a large set of chemically responsive colorants to enhance discrimination capability. Conversely, we have proven that by using multiple concentrations of one indicator, the discrimination of various analytes could be realized.
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Palladium-catalyzed oxidative C-H bond acylation of N-nitrosoanilines with toluene derivatives: a traceless approach to synthesize N-alkyl-2-aminobenzophenones

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07440H, CommunicationYinuo Wu, Ling-Jun Feng, Xiao Lu, Fuk Yee Kwong, Hai-Bin Luo
A palladium-catalyzed cross-coupling of N-nitroso-anilines and toluene derivatives for the direct synthesis of N-alkyl-2-aminobenzophenones is described. N-nitroso could act as the traceless directing groups.
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Two-directional synthesis and biological evaluation of alkaloid 5-epi-cis-275B[prime or minute]

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07287A, CommunicationGeorge Procopiou, Pooja Aggarwal, Annabella F. Newton, David Richards, Ian R. Mellor, Gareth Harbottle, Robert A. Stockman
The first total synthesis of myrmicine ant alkaloid 5-epi-cis-275B[prime or minute] (4) is presented.
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Ferritin light-chain subunits: key elements for the electron transfer across the protein cage

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07996E, CommunicationUnai Carmona, Le Li, Lianbing Zhang, Mato Knez
Using an external electron acceptor and donor and Pt nanoparticles as the enzyme-mimetic electron source, the electron transfer across the protein cage was identified as the first specific functionality of the light-chain subunit of ferritin.
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Construction of DNA logic gates utilizing a H+/Ag+ induced i-motif structure

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06980C, CommunicationYunhua Shi, Hongxia Sun, Junfeng Xiang, Hongbo Chen, Qianfan Yang, Aijiao Guan, Qian Li, Lijia Yu, Yalin Tang
Logic gates based on an i-motif structure, which was induced by H+/Ag+ and recognized by a cyanine dye, have been designed.
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Click chemistry promoted by graphene supported copper nanomaterials

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07774A, CommunicationAli Shaygan Nia, Sravendra Rana, Diana Dohler, Xavier Noirfalise, Alice Belfiore, Wolfgang H. Binder
Highly dispersed copper nanoparticles immobilized graphene nanosheets were prepared and used as a recyclable and reusable heterogeneous catalyst with excellent catalytic activity to achieve Cu(I)-catalyzed [3+2] cycloaddition "click" chemistry under both solvent and bulk conditions.
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Thiol-modified gold nanoparticles for the inhibition of Mycobacterium smegmatis

29 October, 2014 - 15:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06236A, CommunicationJennifer C. Gifford, Jamee Bresee, Carly Jo Carter, Guankui Wang, Roberta J. Melander, Christian Melander, Daniel L. Feldheim
We demonstrate that Small Molecule Variable Ligand Display expanded around feed ratio parameter space identified gold nanoparticle conjugates that are potent inhibitors of mycobacterium growth, addressing a lack of innovative approaches to treat infections caused by mycobacteria such as TB.
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