Chem. Commun.

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Supramolecular chemical shift reagents inducing conformational transitions: NMR analysis of carbohydrate homooligomer mixtures

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09710F, CommunicationSophie R. Beeren, Sebastian Meier
Supramolecular chemical shift reagents improve signal resolution for NMR analysis of homooligosaccharides by inducing conformational transitions upon binding.
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Cytotoxic activity and protein binding through an unusual oxidative mechanism by an iridium(I)-NHC complex

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC10014J, CommunicationY. Gothe, T. Marzo, L. Messori, N. Metzler-Nolte
A new NHC iridium(I) complex (1) showing significant antiproliferative properties in vitro is described here.
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Electrochemical Synthesis of Luminescent MoS2 Quantum Dots

22 January, 2015 - 12:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC09826A, CommunicationDeepesh Gopalakrishnan, Dijo Damien, Bo Li, Hemtej Gullapalli, Vijayamohanan K Pillai, Pulickel M. Ajayan, Manikoth M Shaijumon
Size-controlled synthesis of luminescent quantum dots of MoS2 ([less-than-or-equal] 2 layers) with a narrow size distribution, ranging from 2.5 to 6 nm, from their bulk material, using a unique electrochemical...
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Optical monitoring of faradaic reaction using single plasmon-resonant nanorods functionalized with graphene

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC07939F, CommunicationHao Zhou, Qing Liu, Frankie J. Rawson, Wei Ma, Da-Wei Li, Di Li, Yi-Tao Long
A platform based on single gold nanorods was applied to real time monitoring of the electrochemical oxidation of NADH. The charge accumulation on single gold nanorods depends on the charging rate of competing faradaic and double-layer charging reactions.
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Three-dimensional porous stretchable and conductive polymer composites based on graphene networks grown by chemical vapour deposition and PEDOT:PSS coating

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09367D, CommunicationMengting Chen, Shasha Duan, Ling Zhang, Zhihui Wang, Chunzhong Li
The porous CVD graphene-PEDOT:PSS-PDMS composite has outstanding electrical performance, including higher electrical conductivity and better resistance retention capacity than the CVD graphene-PDMS composite.
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Photo-Induced Surface Encoding of Gold Nanoparticles

22 January, 2015 - 12:54
Chem. Commun., 2015, Accepted Manuscript
DOI: 10.1039/C4CC08880H, CommunicationLjiljana Fruk, Christopher Barner-Kowollik, Lukas Stolzer, Denys Naumenko, Marco Lazzarino, Alexander Welle, Martin Wegener, Alexander S. Quick, Doris Abt
Photoreactive gold nanoparticles (NP) can be encoded in a spatially resolved fashion using direct laser writing techniques into variable patterns. The surface of the gold nanoparticles is imparted with photoreactivity...
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Rational molecular designs for drastic acceleration of the color-fading speed of photochromic naphthopyrans

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC10294K, CommunicationKatsutoshi Arai, Yoichi Kobayashi, Jiro Abe
We report rational molecular designs for acceleration of the color-fading speed of photochromic 3H-naphthopyrans.
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Regioselective oxidative Pd-catalysed coupling of alkylboronic acids with pyridin-2-yl-substituted heterocycles

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC10144H, CommunicationJulian Wippich, Ingo Schnapperelle, Thorsten Bach
A total of 19 alkylated heterocycles (thiophenes, benzo-thiophenes, pyrroles, furans) were prepared (36-99% yield) from the respective pyridin-2-yl-substituted precursors employing alkylboronic acids as the alkylating reagents in an oxidative (Ag2CO3 and 2,6-dimethyl-1,4-benzoquinone as oxidants) Pd-catalysed coupling reaction.
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Smart, reusable labels for assessing self-cleaning films

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09734C, CommunicationA. Mills, N. Wells
Novel, reusable photocatalyst activity indicator label undergoes a rapid colour change when placed in contact with a photocatalytic film via the photoreduction of methylene blue contained within the label's adhesive, and is ideal for assessing photocatalytic activity in situ and in laboratory work.
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Electronic structures and electronic spectra of all-boron fullerene B40

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09151E, CommunicationRongxing He, Xiao Cheng Zeng
This study is motivated by the recent discovery of the first all-boron fullerene analogue, a B40 cluster with D2d point-group symmetry, dubbed borospherene (Nat. Chem., 2014, 6, 727).
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Examination of mercaptobenzyl sulfonates as catalysts for native chemical ligation: application to the assembly of a glycosylated Glucagon-Like Peptide 1 (GLP-1) analogue

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09502B, CommunicationBen Cowper, Tsz Mei Sze, Bhavesh Premdjee, Aileen F. Bongat White, Andrew Hacking, Derek Macmillan
3/4-Mercaptobenzyl sulfonates were investigated as aryl thiol catalysts for native chemical ligation (NCL).
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Synthesis of colloidal Janus nanoparticles by asymmetric capping of mesoporous silica with phenylsilsesquioxane

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC10064F, CommunicationHiroto Ujiie, Atsushi Shimojima, Kazuyuki Kuroda
Janus-type mesoporous silica nanoparticles asymmetrically capped with non-porous phenylsilsesquioxane have been prepared by simply adding phenyltriethoxysilane to an aqueous dispersion of mesostructured silica-surfactant composite nanoparticles.
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Pd-catalyzed [small alpha]-selective C(sp3)-H acetoxylation of amides through an unusual cyclopalladation mechanism

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09576F, CommunicationMeining Wang, Yang Yang, Zhoulong Fan, Zhen Cheng, Weiliang Zhu, Ao Zhang
A novel Pd-catalyzed site-selective [small alpha]-C(sp3)-H oxidation/acetoxylation of amides through an unusual [4,6]-bicyclic metallacycle intermediate was reported with 1-aminoanthraquinone as a new BDG.
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A naphthalimide-based fluorescent probe for highly selective detection of histidine in aqueous solution and its application in in vivo imaging

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09488C, CommunicationHio-Ieng Un, Shuai Wu, Chang-Bo Huang, Zheng Xu, Lin Xu
A naphthalimide-based fluorescent probe for selectively detecting His in aqueous solution, living cells, and C. elegans has been developed.
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Superior electrocatalytic activity from nanodendritic structure consisting of a PtFe bimetallic core and Pt shell

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09528F, CommunicationJianbing Zhu, Meiling Xiao, Kui Li, Changpeng Liu, Wei Xing
A novel PtFe@Pt core-shell nanostructure with a PtFe bimetallic core and a nanodendrite Pt shell was fabricated through a facile aqueous reduction process.
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Expedient synthesis of 3-phenylbicyclo[1.1.1]pentan-1-amine via metal-free homolytic aromatic alkylation of benzene

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09655J, CommunicationNavanita T. Thirumoorthi, Chew Jia Shen, Vikrant A. Adsool
The inquisitiveness on the use of the BCP motif as a modern lead optimization tactic entails reliable synthetic access. In that direction, we disclose a new and versatile approach to 3-phenylbicyclo[1.1.1]pentan-1-amine, via metal-free homolytic alkylation of benzene.
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Cucurbit[8]uril templated supramolecular ring structure formation and protein assembly modulation

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC08917K, CommunicationMellany Ramaekers, Sjors P. W. Wijnands, Joost L. J. van Dongen, Luc Brunsveld, Patricia Y. W. Dankers
A multicomponent host-guest system composed of synthetic small molecules as guests in a supramolecular host shows efficient protein dimerization inhibition.
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A fluorescent bistable [2]rotaxane molecular switch on SiO2 nanoparticles

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09976A, CommunicationZhan-Qi Cao, Qi Miao, Qi Zhang, Hong Li, Da-Hui Qu, He Tian
A fluorescent bistable [2]rotaxane was immobilized onto the surface of SiO2 nanoparticles through click reaction. The shuttling motion of the macrocycle component was driven by external acid-base stimuli both in solution and on SiO2 nanoparticles, accompanied by visual fluorescence changes.
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Graphite sulphate - a precursor to graphene

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09381J, CommunicationSiegfried Eigler
Graphite sulphate is utilized as a precursor to single layers of graphene with an average density of defects of 0.06%.
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On-chip monitoring of chemical syntheses in microdroplets via surface-enhanced Raman spectroscopy

22 January, 2015 - 12:54

Chem. Commun., 2015, Advance Article
DOI: 10.1039/C4CC09595B, CommunicationT.-A. Meier, R. J. Beulig, E. Klinge, M. Fuss, S. Ohla, D. Belder
An approach for inline monitoring of organic syntheses in a microfluidic droplet chip via surface-enhanced Raman spectroscopy is presented. In a proof of concept it was successfully applied to follow thiazole syntheses in real-time.
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